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PVF Reference Guide

1. When an array with the POINTER attribute and with a distribution that is transcriptive or inherited is allocated the alignment and distribution are ignored and the array pointer is treated as replicated since there is no symbol from which to inherit a distribution E488 The function call in the FORALL does not have the PURE attribute In a FORALL statement all functions used must be PURE or ELEMENTAL Otherwise they cannot be called in parallel E490 An array section of is passed to the REFLECTED argument which is not supported When an actual argument is an array section the dummy argument must not have the REFLECTED attribute W491 EXTRINSIC S subprograms require an explicit interface An EXTRINSIC subprogram with the LOCAL or SERIAL attributes require an explicit interface either through an INTERFACE block or by being in the same MODULE as the caller or being in a MODULE that is referenced with a USE statement E492 DYNAMIC distribution is only supported in HPF GLOBAL subprograms PVF Reference Guide 217 Messages Variables with DYNAMIC distribution are not supported in EXTRINSIC F77_LOCAL EXTRINSIC F77_SERIAL EXTRINSIC F90_LOCAL EXTRINSIC F90_SERIAL EXTRINSIC HPF_LOCAL or EXTRINSIC HPF_SERIAL subprograms E493 arrays may not be aligned with ALLOCATABLE arrays Static local arrays common arrays and du
2. 224 illegal Hollerith or character string in format An unknown token type has been found in a format encoded at run time 225 lexical error unknown token type 226 unrecognized edit descriptor letter in format An unexpected Fortran edit descriptor FED was found in a run time format item 228 end of file reached without finding group 229 end of file reached while processing group 230 scale factor out of range 128 to 127 Fortran P edit descriptor scale factor not within range of 128 to 127 231 error on data conversion 233 too many constants to initialize group item 234 invalid edit descriptor An invalid edit descriptor has been found in a format statement 235 edit descriptor does not match item type Data types specified by I O list item and corresponding edit descriptor conflict 236 formatted record longer than 2000 characters PVF Reference Guide 226 Messages 237 quad precision type unsupported 238 tab value out of range A tab value of less than one has been specified 239 entity name is not member of group 240 no initial left parenthesis in format string 241 unexpected end of format string 242 illegal operation on direct access file 243 format parentheses nesting depth too great 244 syntax error entity name expected 245 syntax error within group definition 246 infinite format scan for edit descriptor
3. 248 illegal subscript or substring specification E 249 error in format illegal E F G or D descriptor E 250 error in format number missing after or E 251 illegal character in format string 252 operation attempted after end of file 253 attempt to read non existent record direct access A format 254 illegal repeat count in 255 illegal asynchronous I O operation 256 POS can only be specified for a STREAM file 257 POS value must be positive 258 NEWUNIT requires FILE or STATUS SCRATCH PVF Reference Guide 227 Chapter 9 CONTACT INFORMATION You can contact PGI at 20400 NW Amberwood Drive Suite 100 Beaverton OR 97006 Or electronically using any of the following means Fax 1 503 682 2637 Sales sales pgroup com Support trs pgroup com WWW http www pgroup com The PGI User Forum is monitored by members of the PGI engineering and support teams as well as other PGI customers The forum newsgroups may contain answers to commonly asked questions Log in to the PGI website to access the forum http www pgroup com userforum index php Many questions and problems can be resolved by following instructions and the information available at our frequently asked questions FAQ site http www pgroup com support faq htm All technical support is by e mail or submissions using an online form a
4. The nesting depth of include directives exceeded the maximum currently 20 S262 Unterminated macro definition for A newline was encountered in the formal parameter list for the indicated macro S263 Unterminated string or character constant PVF Reference Guide 203 Messages A newline with no preceding backslash was found in a quoted string 1264 Possible nested comment The characters were found within a comment S265 lt reserved message number gt S266 lt reserved message number gt S267 lt reserved message number gt W268 Cannot inline subprogram common block mismatch W269 Cannot inline subprogram argument type mismatch This message may be severe if the compilation has gone too far to undo the inlining process F270 Missing exlib option W271 Can t inline wrong number of arguments 1272 Argument of inlined function not used F S273 Inline library not specified on command line inlib switch F274 Unable to access file TOC S275 Unable to open file while extracting or inlining F276 Assignment to constant actual parameter in inlined subprogram 277 Inlining of function may result in recursion S278 lt reserved message number gt W279 Possible use of before definition in The optimizer has detected the possibility that a variable is used before it has been assigned a value The names of the vari
5. For more information refer to the Programming Considerations for 64 Bit Environments section of the PGI Visual Fortran User s Guide Mnomain Instructs the compiler not to include the object file that calls the Fortran main program as part of the link step This option is useful for linking programs in which the main program is written in C C and one or more subroutines are written in Fortran Mmpi option Mmpi adds the include and library options to the compile and link commands necessary to build an MPI application using MPI header files and libraries To use Mmpi you must have a version of MPI installed on your system This option tells the compiler to use the headers and libraries for the specified version of MPI PGI compilers and tools support Microsoft s implementation of MPI MS MPI on Windows Server 2008 R2 and newer operating systems Microsoft s HPC Pack 2012 MS MPI with Service Pack 1 is included in PGI products for these systems Mmpi msmpi Select the default Microsoft MPI libraries on Windows For more information on these options refer to the Using MPI in PVF section of the PGI Visual Fortran User s Guide M no movnt Instructs the compiler to generate nontemporal move and prefetch instructions even in cases where the compiler cannot determine statically at compile time that these instructions will be beneficial PVF Reference Guide 59 Command Line Options Reference M no
6. M lt peflag gt 2 2 21 help Used with no other options help displays options recognized by the driver on the standard output When used in combination with one or more additional options usage information for those options is displayed to standard output Default The compiler does not display usage information Usage In the following example usage information for Min1lineis printed to standard output S pgcc help Minline Minline 1lib lt inlib gt lt func gt except lt func gt name lt func gt size lt n gt levels lt n gt Enable function inlining lib lt extlib gt Use extracted functions from extlib lt func gt Inline function func except lt func gt Do not inline function func name lt func gt Inline function func size lt n gt Inline only functions smaller than n levels lt n gt Inline n levels of functions Minline Inline all functions that were extracted In the following example usage information for help shows how groups of options can be listed or examined according to function pgcc help help help groups asm debug language linker opt other overall phase prepro suffix switch target variable Description Use the help option to obtain information about available options and their syntax You can use help in one of three ways gt Use helpwith no parameters to obtain a list of all the available options with a brief one line description of each gt Add a parameter to help
7. The following list provides the syntax for each M lt pgflag gt option that controls environments Each option has a description and if appropriate a list of any related options PVF Reference Guide 61 Command Line Options Reference Mnostartup instructs the linker not to link in the standard startup routine that contains the entry point start for the program If you use the Mnostartup option and do not supply an entry point the linker issues the following error message Warning cannot find entry symbol _start M no smartalloc huge huge lt n gt hugebss nohuge adds a call to the routine mallopt in the main routine This option supports large TLBs on Linux and Windows This option must be used to compile the main routine to enable optimized malloc routines The option arguments can be any of the following huge Link in the huge page runtime library Enables large 2 megabyte pages to be allocated The effect is to reduce the number of TLB entries required to execute a program This option is most effective on Barcelona and Core 2 systems older architectures do not have enough TLB entries for this option to be beneficial By itself the huge suboption tries to allocate as many huge pages as required huge lt n gt Link the huge page runtime library and allocate n huge pages Use this suboption to limit the number of huge pages allocated to n You can also limit the pages allocated by using the environment va
8. gt Yes Directs the compiler to generate relocatable device code by adding ta tesla rdc switch to the PVF compilation and link lines gt No Prevents the compiler from generating relocatable device code by adding ta tesla nordc switch to the PVF compilation and link lines 5 13 15 Tesla CUDA Toolkit When Target NVIDIA Tesla is set to Yes use this property to specify the version of the NVIDIA CUDA toolkit that is targeted by the compilers gt Default The compiler selects the default CUDA toolkit version gt 6 5 Use the default version 6 5 of the CUDA toolkit This selection adds the ta tesla cuda 6 5 switch to the PVF compilation and link lines PVF Reference Guide 139 PVF Properties gt 7 0 Use version 7 0 of the CUDA toolkit This selection adds the ta tesla cuda7 0 switch to the PVF compilation and link lines pgaccel info prints the driver version as the first line of output Fora6 5driver CUDA Driver Version 6050 For a 7 0 driver CUDA Driver Version 7000 5 13 16 Tesla Compute Capability When Target NVIDIA Tesla is set to Yes use this property to either automatically generate code compatible with all applicable compute capabilities or to direct the compiler to use a manually selected set Select either Automatic or Manual gt Automatic Let the compiler generate code for all applicable compute capabilities This is the default gt Manual Choose one or more compute capabiliti
9. in a message represents information that is specific to each occurrence of the message 8 3 2 Message List Error message severities I informative W warning S severe error F fatal error V variable v000 Internal compiler error This message indicates an error in the compiler rather than a user error although it may be possible for a user error to cause an internal error The severity may vary if it is informative or warning correct object code was probably generated but it is not safe to rely on this Regardless of the severity or cause internal errors should be reported to trs pgroup com F001 Source input file name not specified On the command line source file name should be specified either before all the switches or after them PVF Reference Guide 186 Messages F002 Unable to open source input file Source file name is misspelled file is not in current working directory or file is read protected F003 Unable to open listing file Probably user does not have write permission for the current working directory F004 Generic message for file errors F005 Unable to open temporary file Compiler uses directory specified by the environment variables TMP or STMPDIR in which to create temporary files If neither of these directories is available on the node on which the compiler is being used this error will occur S006 Input file empty Source input file does not contain a
10. Messages A reference like A B where A is a derived type array and B is a member array is not allowed a section subscript may appear after A or after B but not both S456 Unimplemented for data type for MATMUL S457 Illegal expression in initialization S458 Argument to NULL must be a pointer S459 Target of NULL assignment must be a pointer S460 ELEMENTAL procedures cannot be RECURSIVE S461 Dummy arguments of ELEMENTAL procedures must be scalar S462 Arguments and return values of ELEMENTAL procedures cannot have the POINTER attribute S463 Arguments of ELEMENTAL procedures cannot be procedures S464 An ELEMENTAL procedure cannot be passed as argument S465 Functions returning a POINTER require an explicit interface S466 Member of derived type has PRIVATE type S467 Target of NULL assignment must have the ALLOCATABLE attribute W468 Argument to ISO C BINDING intrinsic must have TARGET attribute set W469 Character argument to C_LOC intrinsic must have length of one W470 Accelerator feature license not found accelerator features disabled W471 CUDA Fortran feature license not found CUDA Fortran features disabled E472 A Scalar element of a nonsequential
11. Setting this property to Yes adds the ta tesla cc30 switch to the PVF compilation and link lines 5 13 21 Tesla Keep Kernel Files When Target NVIDIA Tesla is set to Yes use this property to keep kernel files Setting this property to Yes adds the ta tesla keep switch to the PVF compilation and link lines 5 13 22 Target AMD Radeon Use this property to select AMD Radeon targets Setting this property to Yes adds the ta radeon switch to the PVF compilation and link lines and activates access to these additional properties Radeon Cape Verde Radeon Spectre Radeon Tahiti Radeon Hawaii Radeon Buffer Count Radeon Keep Radeon LLVM Radeon Unroll Radeon Required Important If you change the value of this property and the displayed properties do not change be sure to Click Apply in the property page dialog box 5 13 23 Radeon Cape Verde When Target AMD Radeon is set to Yes use this property to compile for Radeon Cape Verde architecture PVF Reference Guide 141 PVF Properties Setting this property to Yes adds the ta radeon capeverde switch to the PVF compilation and link lines 5 13 24 Radeon Spectre When Target AMD Radeon is set to Yes use this property to compile for Radeon Spectre architecture Setting this property to Yes adds the ta radeon spectre switch to the PVF compilation and link lines 5 13 25 Radeon Tahiti When Target AMD Radeon is set to Yes use this property to compile for Radeon T
12. suffix lt suff gt use lt suff gt as the suffix of the output file containing makefile dependencies PVF Reference Guide 79 Command Line Options Reference Mdl11 This Windows only flag has been deprecated Refer to Bdynamic This flag was used to link with the DLL versions of the runtime libraries and it was required when linking with any DLL built by any of The Portland Group compilers This option implied D_DLL which defines the preprocessor symbol _DLL Mgccbug s instructs the compiler to match the behavior of certain gcc bugs Miface option adjusts the calling conventions for Fortran where option is one of the following unix Win32 only uses UNIX calling conventions no trailing underscores cref uses CREF calling conventions no trailing underscores mixed_str_len_arg places the lengths of character arguments immediately after their corresponding argument Has affect only with the CREF calling convention nomixed_str_len_arg places the lengths of character arguments at the end of the argument list Has affect only with the CREF calling convention Minfo option option instructs the compiler to produce information on standard error where option is one of the following all instructs the compiler to produce all available Min fo information Implies a number of suboptions Mneginfo accel inline ipa loop lre mp opt par vect accel instructs the compiler to enable accelerator information ccff i
13. 2 2 01 tp lt target gt target Sets the target processor Default The PGI compilers produce code specifically targeted to the type of processor on which the compilation is performed In particular the default is to use all supported instructions wherever possible when compiling on a given system The default target processor is auto selected depending on the processor on which the compilation is performed You can specify a target processor to compile for a different processor type such as to select a more generic processor allowing the code to run on more system types Specifying two or more target processors enables unified binary code generation where two or more versions of each function may be generated each version optimized for the specific instruction set available in each target processor Executables created on a given system without the tp flag may not be usable on previous generation systems For example executables created on an Intel Sandybridge processor may use instructions that are not available on earlier Intel Nehalem or Intel P7 systems The tp flag interacts with the m32 m64 flags to select a target processor and 32 bit or 64 bit code generation Specifying tp shanghai 32 compiles 32 bit code that is optimized for the AMD Shanghai processor while specifying tp shanghai 64 compiles 64 bit code The tp shanghai 32 flag is eqivalent to the two flags tp shanghai m32 Specifying tp shanghai wit
14. MaskBlt OffsetClipRgn OffsetWindowOrgEx PathToRegion PlayEnhMetaFileRecord PlgBlt PolyDraw PolylineTo PolyTextOut RealizePalette RectVisible RemoveFontResourceEx Fortran Module Library Interfaces for Windows GetColorAdjustment GetCurrentPositionEx GetDCPenColor GetDIBColorTable GetEnhMetaFileBits GetEnhMetaFileHeader GetFontData GetGlyphindices GetICMProfileA GetLayout GetMetaFile GetMiterLimit GetObject GetPaletteEntries GetPixelFormat GetRasterizerCaps GetROP2 GetSystemPaletteEntries GetTextCharacterExtra GetTextColor GetTextExtentPoint GetTextFace GetViewportOrgEx GetWinMetaFileBits IntersectClipRect LineTo ModifyWorldTransform OffsetRgn PaintRgn Pie PlayMetaFile PolyBezier Polygon PolyPolygon PtinRegion Rectangle RemoveFontMemResourceEx ResetDC 170 ResizePalette SaveDC SelectClipPath SelectPalette SetBitmapBits SetBkMode SetColorAdjustment SetDCPenColor SetDIBits SetGraphicsMode SetLayout SetMetaFileBitsEx SetPaletteEntries SetPixelV SetROP2 SetTextAlign SetTextJustification SetWindowExtEx SetWorldTransform StretchBlt SwapBuffers TranslateCharsetInfo UpdateColors wglCreateContext wg DescribeLayerPlane wglGetLayerPaletteEntries wglRealizeLayerPalette wglSwapLayerBuffers wglUseFontOutlines 7 5 6 kernel32 RestoreDC ScaleViewportExtEx SelectClipRgn SetAbortProc SetBitmapDimensionEx SetBoundsRect SetColorSpace SetDeviceGammaRamp SetDIBitsToDevice SetIC
15. S148 Reference to required An aggregate reference to a record was expected during statement compilation but another data type was found instead S149 Record where arithmetic value required An aggregate record reference was encountered when an arithmetic expression was expected S150 Structure Record derived type or member not allowed in this context A structure record or member reference was found in a context which is not supported S151 Empty TYPE STRUCTURE UNION or MAP TYPE ENDTYPE STRUCTURE ENDSTRUCTURE UNION ENDUNION or MAP ENDMAP declaration contains no members S152 All dimension specifiers must be S153 Array objects are not conformable S154 DISTRIBUTE target must be a processor S155 S156 Number of colons and triplets must be equal in ALIGN with S157 Illegal subscript use of ALIGN dummy S158 Alternate return not specified in SUBROUTINE or ENTRY An alternate return can only be used if alternate return specifiers appeared in the SUBROUTINE or ENTRY statements S159 Alternate return illegal in FUNCTION subprogram An alternate return cannot be used in a FUNCTION S160 ENDSTRUCTURE ENDUNION or ENDMAP does not match top S161 Vector subscript must be rank one array PVF Reference Guide 197 Messages W162 Not equal test of lo
16. TABLE OF CONTENTS TO xviii Audience Descriptiva xviii Compatibility and Conformance to Standards c cccssecessseeseesesesesseeseeesseeseesseseessieseessieseeesseeseeesseeneeesseeeeeessieees xviii OMGANIZALION eel A T T T xix Hardware and Software Constraints ccccscssscsescssesecesseseseeeesesecseecesesesesecseeceaescsussceeeseaesesaesceeeseaeseeesseeeeesataneasaeeseaees XX EOLO EAE AAE ecstcaptede teste neat AA ita seem aimee ates ee acta sented E aes XX CA A A NN OA XX Related Public Sii Aaa xxii Chapter 1 Fortran Data TyPOSiiiiiic alante 1 Tl Fortran Data TP a odin 1 11 1 Fortran Salars ss coa kadai ie Aea a i aaea ataa dette 1 1 1 2 FORTRAN 77 Aggregate Data Type EXxtensions cceesscssssesseseseesssesneetesssneetesssnseteaesnseeeatenseeeateneeseateneeteatey 3 1 1 3 Fortran 90 Aggregate Data Types Derived TyPe s ccssssessesesssssessseetsssnssesssneetsassneeteetsneeteatsneeteersnees 4 Chapter 2 Command Line Options Reference sssccssssscssssessssssssssseessssessesssseessesssnessseeeeaesesseseeeeseaesseesseeesnaeeneaeesees 5 2 1 PGI Compiler Option SUMMA Y sico Eta IA 5 21 11 Bulld Related PGIOP ONS ocoiooi in aia ie aiden aia 5 2 1 2 PGI Debug Related Compiler Options cccccesecseccceeeesesseseseesesesecseeeeeacsesaceeeceasanseseceeeseatansaseeeeeesenensaseeeetes 7 2 1 3 PGI Optimization Related Compiler Options ccccccecsesescseeesecseeeeessesessceeeceaesesusseeee
17. The following list provides the syntax for each M lt pgflag gt option that affect Fortran language interpretations Each option has a description and if appropriate a list of any related options Mallocatable 95 03 controls whether Fortran 95 or Fortran 2003 semantics are used in allocatable array assignments The default behavior is to use Fortran 95 semantics the 03 option instructs the compiler to use Fortran 2003 semantics Mbackslash instructs the compiler to treat the backslash as a normal character and not as an escape character in quoted strings Mnobackslash instructs the compiler to recognize a backslash as an escape character in quoted strings in accordance with standard C usage Mcuda instructs the compiler to enable Cuda Fortran The following suboptions exist cy If more than one option is on the command line all the specified options occur cc20 Generate code for compute capability 2 0 cc2x Generate code for the lowest 2 x compute capability possible cc2 Is equivalent to cc2x cc3x cc30 Generate code for compute capability 3 0 ec35 Generate code for compute capability 3 5 cc3x Generate code for the lowest 3 x compute capability possible cc3 Is equivalent to cc3x cuda6 5 or 6 5 Sets the toolkit compatibility version to 6 5 This is the default PVF Reference Guide 63 Command Line Options Reference cuda7 0 or 7 0 Specify the NVIDIA CUDA 7 0 version of the toolkit Compile with t
18. flagcheck myprog f Description Use this option to make the compiler check that flags are correct and then exit If flags are all correct then the compiler returns a zero status No compilation occurs Related options None 2 2 18 flags Displays valid driver options on the standard output Default The compiler does not display the driver options Usage In the following example the user requests information about the known switches SRpqtoreranmaelags Description Use this option to display driver options on the standard output When you use this option with v in addition to the valid options the compiler lists options that are recognized and ignored Related options _ HHH V 2 2 19 9 Instructs the compiler to include symbolic debugging information in the object module Default The compiler does not put debugging information into the object module PVF Reference Guide 19 Command Line Options Reference Usage In the following example the object file myprog objcontains symbolic debugging information pgrorciem C Moroi Description Use the g option to instruct the compiler to include symbolic debugging information in the object module Debuggers such asPGDBG require symbolic debugging information in the object module to display and manipulate program variables and source code If you specify the goption on the command line the compiler sets the optimization level to
19. gt Yes Enables generation of FMA instructions by adding Mcuda fma switch to the PVF compilation and link lines gt No Disables generation of FMA instructions by adding Mcuda nofma switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls PVF Reference Guide 126 PVF Properties 5 8 16 CUDA Fortran Use Fast Math Library When Enable CUDA Fortran is set to Yes use this property to use routines from the fast math library Setting this property to Yes adds the Mcuda fastmath switch to compilation and linking For more information on Mcuda refer to Optimization Controls 5 8 17 CUDA Fortran Debug When Enable CUDA Fortran is set to Yes use this property to control generatation of GPU debug information gt Default Allows the compiler to control generatation of GPU debug information This selection adds no additional sub options to Mcuda gt Yes Enables generatation of GPU debug information by adding the Mcuda debug switch to the PVF compilation and link lines gt No Disables generatation of GPU debug information by adding the Mcuda nodebug switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls 5 8 18 CUDA Fortran Line Information When Enable CUDA Fortran is set to Yes use this property to control generatation of GPU line information gt Default Allows the compiler to control gener
20. Dell id a Alea bo ai daca Micha det i buen 34 Us cio nio o ae o ano Sete ob deacon Apo de a a doce een dome ee 35 Description act at llo elo ataron 35 Related OO A A A ae 35 LLO NOS ICO A A 35 Dell caia nta ll lla leia coberta dee st DA asa 35 Usen di bd ideo 36 D SCrIPUON coin iso dins iio io bie scien 36 Related ol On celo oa noni 36 A O NR 36 Dalai da a a isis 36 MM e a e da ette 36 Us eiii aget dale id Ses hilly ta Stoned a Sooty aa Sete dale S S allyl diya 36 Descriptor ante anette nother Saeko Sheth Ae a ah ee ae hae ee 36 Related lc a e ito 38 LLUIS AA A nn ne On lesen aire wale A IA 38 Deal A Ten Aere ves err eay rear er ni cere rece peed rear y RA CPT eT SMT eS ere aT Teer 38 OVNEX vce his e de Siow dedo an eE 38 Us eiii aa AE Aa ieee 38 Related Opos O oan thie A She aes he oat eh ie Che bee 38 22 38 Ci A AA hen iS 38 NN 39 DeSCrDUON irs coito dt ea teea 39 Related Opinion a ab aichona bacco a a ts 40 Dee OO A E ated a dealt cee REO 41 Detalla id di di da doe Aan Aen Man a dea hina ee dois bunnies 41 A 41 Related OPINAS ola 41 22 40 O O ON 41 D fa lt voii onda 41 e Ad 41 Descrip ii A dla a rede elves A ale a e d ed 41 Related Options isaac adas is iia ooo m s 41 LLAM E nih aietennreniesdula nish ark autora abn E A 41 Di dd 41 Usa dat dada datada ida dad daia 42 Descriptions sis Sieh ett iia aa Hiei A Marae tea aa 42 PVF Reference Guide vi Related Opllons a hee ath tke eb a cant ora 42 2 242 pOTQQli
21. In the following example using the i8 switch causes the integer variables to be treated as 64 bits S pgfortran i8 int f int fis a function similar to this BLIGE o dE prine Vilmreceire sizes bit size end Description Use this option to treat INTEGER and LOGICAL variables as either two four or eight bytes INTEGER 8 values not only occupy 8 bytes of storage but operations use 64 bits instead of 32 bits gt i2 Treat INTEGER variables as 2 bytes gt i4 Treat INTEGER variables as 4 bytes gt 18 Treat INTEGER and LOGICAL variables as 8 bytes and use 64 bits for INTEGER 8 operations Related options None 2 2 24 K lt flag gt Requests that the compiler provide special compilation semantics with regard to conformance to IEEE 754 Default The default is Knoieee and the compiler does not provide special compilation semantics Syntax K lt flag gt Where flag is one of the following ieee Perform floating point operations in strict conformance with the IEEE 754 standard Some optimizations are disabled and on some systems a more accurate math library is linked if Ki eee is used during the link step To set this option in PVF use the Fortran Floating Point Options IEEE Arithmetic property described in IEEE Arithmetic noieee Default flag Use the fastest available means to perform floating point operations link in faster non IEEE libraries if available and disab
22. PVF Reference Guide 10 Command Line Options Reference Related options g ta tesla tesla_suboptions radeon radeon_suboptions host 2 2 4 Bdynamic Compiles for and links to the shared object version of the PGI runtime libraries Default The compiler uses static libraries Usage On Windows you can create the DLLob3 1 dlland its import libraryobj 1 1ibusing the following series of commands pgfortran Bdynamic c objectl f pgfortran Mmakedll objectl obj o obj1 d11 Then compile the main program using this command S pgfortran prog f For a complete example in Windows refer to the example Build a DLL Fortran in the Creating and Using Libraries section of the PGI Compiler User s Guide Description Use this option to compile for and link to the shared object version of the PGI runtime libraries This flag is required when linking with any DLL built by the PGI compilers For Windows this flag corresponds to the MDflag used by Microsoft s cl compilers On Windows Bdynami cmust be used forbothcompiling and linking When you use the PGI compiler flag Bdynami cto create an executable that links to the shared object form of the runtime the executable built is smaller than one built without Bdynamic The PGI runtime shared object s however must be available on the system where the executable is run The Bdynami cflag must be used when an executable is linked against a shared
23. The compiler has determined that the identifier used as the destination is not a storage location The error message attempts to indicate the type of entity used entry point An assignment to an entry point that was not a function procedure was attempted external procedure An assignment to an external procedure or a Fortran intrinsic name was attempted If the identifier is the name of an entry point that is not a function an external procedure S073 Intrinsic or predeclared cannot be passed as an argument S074 Illegal number or type of arguments to S The indicated symbol is an intrinsic or generic function or a predeclared subroutine or function requiring a certain number of arguments of a fixed data type S075 Subscript substring or argument illegal in this context for This can happen if you try to doubly index an array such as ra 2 3 This also applies to substring and function references S076 Subscripts specified for non array variable S077 Subscripts omitted from array S078 Wrong number of subscripts specified for S079 Keyword form of argument illegal in this context for S080 Subscript for array is out of bounds S081 Illegal selector S082 Illegal substring expression for variable Substring expressions must be of type integer and if constant must be greater than zero PVF Reference Guide 192 Messages S083 Vector expr
24. The table also includes the features utilized by the PGI compilers that distinguish them from a compatibility standpoint In this manual the convention is to use x86 to specify the group of processors that are 32 bit but not 64 bit The convention is to use x64 to specify the group of processors that are both 32 bit and 64 bit x86 processor based systems can run only 32 bit operating systems x64 processor based systems can run either 32 bit or 64 bit operating systems and can execute all 32 bit x86 binaries in either case x64 processors have additional registers and 64 bit addressing capabilities that are utilized by the PGI compilers and tools when running on a 64 bit operating system The prefetch SSE1 SSE2 SSE3 and AVX processor features further distinguish the various processors Where such distinctions are important with respect to a given compiler option or feature it is explicitly noted in this manual The default for performing scalar floating point arithmetic is to use SSE instructions on targets that support SSE1 and SSE2 PVF Reference Guide xxi Preface Related Publications The following documents contain additional information related to the x86 and x64 architectures and the compilers and tools available from The Portland Group gt PGI Fortran Reference manual describes the FORTRAN 77 Fortran 90 95 Fortran 2003 statements data types input output format specifiers and additional reference material
25. Use this property to specify the command line that the build tool will run This property is at the core of the custom build step 5 28 3 Description Use this property to provide feedback to the Output window The contents of the Description property is echoed to the Output window when the custom build step runs 5 28 4 Outputs Use this property to specify the files generated by the custom build step Use semi colons to separate multiple output files When a custom build step is specified at the file level this property must be non empty or the custom build step will be skipped 5 28 5 Additional Dependencies Use this property to specify any additional input files to use for the custom build gt The custom build step is run when an additional dependency is out of date PVF Reference Guide 153 PVF Properties There are two ways to add files to this property gt Type the information directly into the property page box Use a semi colon to separate each directory gt Click the ellipsis button in the property page box to open the Additional Dependencies dialog box Enter each file on its own line in this box Do not use semi colons to separate directories the semi colons are added automatically when the box is closed PVF Reference Guide 154 Chapter 6 PVF BUILD MACROS PVF implements a subset of the build macros supported by Visual C along with a few PVF specific macros Th
26. VIAS where t is assigned on every iteration of the loop However there are cases where a scalar may be privatizable If it is used after the loop it is unsafe to parallelize Examine this loop do i 1 N elsa gt 00 Taca t x 1 yi E endif enddo VIAS PVF Reference Guide 88 Directives Reference where each use of t within the loop is reached by a definition from the same iteration Here t is privatizable but the use of t outside the loop may yield incorrect results since the compiler may not be able to detect on which iteration of the parallelized loop t is assigned last The compiler detects these cases When a scalar is used after the loop but is not defined on every iteration of the loop parallelization does not occur 3 1 14 tp You use the directive tp to specify one or more processor targets for which to generate code COGS to eA SE sss The tp directive can only be applied at the routine or global level For more information about these levels refer to the PGI Visual Fortran User s Manual Refer to tp lt target gt target for a list of targets that can be used as parameters to the tp directive 3 1 15 unroll nounroll The unroll directive enables loop unrolling while nounroll disables loop unrolling gt The unroll directive has no effect on vectorized loops The directive takes arguments c n and m gt c specifies that c complete unrolling should be turned on or off gt n specif
27. a ei EA EE LEE AEEA AE LE AE 102 Standard Stack Frame s sintassi esnias aiaei iasa 102 Register Allocation for Example Ad iii 106 Win64 Fortran Fundamental Types ccsececssesecssesesssneeesssneeesssneeesaesnseesacsnseesassneeeeassneeeeatsneeeearsneeteetanees 107 Fortran and C C Data Type Compatibility oo ccesesesseeessesseeeeseeneeeeseeneetesteneessseeneeessneneeeesneneetesneneeesseess 109 Fortran and C C Representation of the COMPLEX Type cssscessssesceeseesesseeeeseatsnsesseeteesssnsseeetesaneees 110 PVF Reference Guide xvi Table 25 Table 26 Table 27 Table 28 Table 29 Table 30 PVESBulld Macr0Swiccicksaksh id oetba hha ek ia 155 Fortran Data Type Mapping S iron ria ica aaa 158 DELIB FUNnCtON SUMMALY cit bs tipa 159 LBM FUNCION S pita arado 160 DEPORT FUNCIONS aes orua EE E E A EE E R ARAE 161 DFWIN advapi32 Functions cceccececsesecessesesscsescseesesessceeeeeaesnseceeeceasaesusaceesceesensecaseeeacansnsaceseeeasensnsecenessetanees 166 PVF Reference Guide xvii PREFACE This guide is part of a set of manuals that describe how to use The Portland Group PGI Fortran compilers and program development tools integrated with Microsoft Visual Studio These tools combined with Visual Studio and assorted libraries are collectively known as PGI Visual Fortran or PVF You can use PVF to edit compile debug optimize and profile serial and parallel applications for x86 processor base
28. and computed for each returned row when used in the select list random REAL 4 Uses a non linear additive feedback random number generator to return pseudo random numbers in the range of 0 to 29 INTEGER 4 Renames the specified directory or file rindex INTEGER 4 Returns the index of the last occurrence of a specific string of characters in a specified string REAL 8 Returns the real time clock value expressed as a number of clock ticks secnds REAL 4 Gets the time in seconds from the real time system clock If the value is zero the time in seconds from midnight is used PVF Reference Guide 164 Fortran Module Library Interfaces for Windows Routine Result Description INTEGER 2 Converts INTEGER 4 to INTEGER 2 signal INTEGER 4 Specifies the action to take upon delivery of a signal O a Puts the calling kernel thread to sleep requiring it to wait for a wakeup to be issued to continue to run Provided for compatibility with older code and should not be used with new code ttynam STRING 100 Either gets the path name of the terminal or determines if the device is a terminal unlink INTEGER 4 Removes the specified directory entry and decreases the link count of the file referenced by the link wait INTEGER 4 Suspends the calling thread until the process receives a signal that is not blocked or ignored or until the calling process child processes stop or terminate 7 4 Using the DFWIN module The DFWIN module incl
29. compiler W170 PGI Fortran extension Use of a nonstandard feature A description of the feature is provided W171 PGI Fortran extension nonstandard statement type W172 PGI Fortran extension numeric initialization of CHARACTER A CHARACTER 1 variable or array element was initialized with a numeric value W173 PGI Fortran extension nonstandard use of data type length specifier W174 PGI Fortran extension type declaration contains data initialization W175 PGI Fortran extension IMPLICIT range contains nonalpha characters PVF Reference Guide 198 Messages 1176 PGI Fortran extension nonstandard operator 1177 PGI Fortran extension nonstandard use of keyword argument V178 lt reserved message number gt 1179 PGI Fortran extension use of structure field reference 1180 PGI Fortran extension nonstandard form of constant V181 PGI Fortran extension alternate return 1182 PGI Fortran extension mixed non character and character elements in COMMON 1183 PGI Fortran extension mixed non character and character EQUIVALENCE v1184 Mixed type elements numeric and or character types in COMMON W185 Mixed numeric and or character type EQUIVALENCE S186 Argument missing for formal argument S187 Too many a
30. context S902 else after els A preprocessor else directive was found after a else directive only endif is allowed in this context W905 Argument mismatch for The number of arguments supplied in the call to the indicated macro did not agree with the number of parameters in the macro s definition F906 Can t find include file PVF Reference Guide 221 Messages The indicated include file could not be opened S908 EOFin comment The end of a file was encountered while processing a comment S909 EOFin macro Call to The end of a file was encountered while processing a call to the indicated macro s912 Identifier too long The length of an identifier exceeded the maximum allowed currently 2048 W914 Illegal directive name The sequence of characters following a sign was not an identifier W915 Illegal macro name A macro name was not an identifier W918 Missing endif End of file was encountered before a required endif directive was found W919 Missing argument list for A call of the indicated macro had no argument list S920 Number too long The length of a number exceeded the maximum allowed currently 2048 W921 Redefinition of symbol The indicated macro name was redefined 1922 Redundant definition for symbol A definition for the indicated macro name was found that was the same as a previous definition F923 String too long T
31. function must remove the return address from the stack leaving the stack pointer Yorsp with the value it had before the call instruction was executed Functions Returning Structures or Unions A function can use either registers or the stack to return a structure or union The size and type of the structure or union determine how it is returned A structure or union is returned in memory if it is larger than 8 bytes or if its size is 3 5 6 or 7 bytes A structure or union is returned in rax if its size is 1 2 4 or 8 bytes PVF Reference Guide 104 Run time Environment If a structure or union is to be returned in memory the caller provides space for the return value and passes its address to the function as a hidden first argument in rcx This address will also be returned in rax 4 2 3 Argument Passing Integral and Pointer Arguments Integral and pointer arguments are passed to a function using the next available register of the sequence rcx Yrdx r8 r9 After this list of registers has been exhausted all remaining integral and pointer arguments are passed to the function via the stack Floating Point Arguments Float and double arguments are passed to a function using the next available XMM register of the sequence xmm0 xmm1 xmm2 xmm3 After this list of registers has been exhausted all remaining XMM floating point arguments are passed to the function via the stack Array Structure and Union Arguments
32. pre enables disables partial redundancy elimination Mprof option option Set performance profiling options Use of these options causes the resulting executable to create a performance profile that can be viewed and analyzed with the PGPROF performance profiler In the descriptions that follow PGI style profiling implies compiler generated source instrumentation MPICH style profiling implies the use of instrumented wrappers for MPI library routines The option argument can be any of the following no ccff Enable disable common compiler feedback format CCFF information dwarf Add limited DWARF symbol information sufficient for most performance profilers func Perform PGI style function level profiling lines Perform PGI style line level profiling mpich Perform MPICH style profiling for MPICH v3 Implies Mmpi mpich mpichl This option has been deprecated You can still perform MPICH style profiling for MPICH 1 but you must first set the environment variable MPIDIR to the root of an MPICH1 installation Implies Mmpi mpichl msmpi Perform MPICH style profiling for Microsoft MPI Implies Mmpi msmpi For more information refer to the Using MS MPI on Windows section of the PGI Visual Fortran User s Guide sgimpi Perform MPICH style profiling for SGT s version of MPI Implies Mmpi sgimpi For more information refer to the Using MS MPI on Windows section of the PGI Visual Fortran User s Guide To set
33. related to use of the PGI Fortran compilers System V Application Binary Interface Processor Supplement by AT amp T UNIX System Laboratories Inc Prentice Hall Inc System V Application Binary Interface X86 64 Architecture Processor Supplement http www x86 64 org abi pdf Fortran 95 Handbook Complete ISO ANSI Reference Adams et al The MIT Press Cambridge Mass 1997 Programming in VAX Fortran Version 4 0 Digital Equipment Corporation September 1984 IBM VS Fortran IBM Corporation Rev GC26 4119 PVF Reference Guide xxii Chapter 1 FORTRAN DATA TYPES This section describes the scalar and aggregate data types recognized by the PGI Fortran compilers the format and alignment of each type in memory and the range of values each type can have on x86 or x64 processor based systems running a 32 bit or 64 bit operating system 1 1 Fortran Data Types 1 1 1 Fortran Scalars A scalar data type holds a single value such as the integer value 42 or the real value 112 6 The next table lists scalar data types their size format and range BCEBGADB shows the range and approximate precision for Fortran real data types CHDCFDFB shows the alignment for different scalar data types The alignments apply to all scalars whether they are independent or contained in an array a structure or a union Table 2 Representation of Fortran Data Types Fortran Data Type Format Range PVF Reference Guide 1 Fortran Data Types
34. this option tells the compiler it s safe to parallelize the loop For a given loop the last value computed for all scalars makes it safe to parallelize the loop Msignextend instructs the compiler to extend the sign bit that is set as a result of converting an object of one data type to an object of a larger signed data type Mnosignextend instructs the compiler not to extend the sign bit that is set as the result of converting an object of one data type to an object of a larger data type Mstack_ arrays places automatic arrays on the stack Mnostack arrays allocates automatic arrays on the heap Mnostack_ arrays is the default and what traditionally has been the approach used Mstride0 instructs the compiler to inhibit certain optimizations and to allow for stride 0 array references This option may degrade performance and should only be used if zero stride induction variables are possible Mnostride0 instructs the compiler to perform certain optimizations and to disallow for stride O array references Munix use UNIX symbol and parameter passing conventions for Fortran subprograms Mvarargs force Fortran program units to assume procedure calls are to C functions with a varargs type interface 2 3 2 Environment Controls This section describes the M lt pgflag gt options that control environments Default For arguments that you do not specify the default environment option depends on your configuration
35. w myprog f Description Use the w option to not print warning messages Sometimes the compiler issues many warning in which you may have no interest You can use this option to not issue those warnings Related options silent 2 3 M Options by Category This section describes each of the options available with M by the categories Code generation Fortran Language Controls Optimization Environment C C Language Controls Inlining Miscellaneous The following sections provide detailed descriptions of several but not all of the M lt pgflag gt options For a complete alphabetical list of all the options refer to Table 10 These options are grouped according to categories and are listed with exact syntax defaults and notes concerning similar or related options 2 3 1 Code Generation Controls This section describes the M lt pgflag gt options that control code generation Default For arguments that you do not specify the default code generation controls are these nodaz norecursive nosecond_underscore noflushz noreentrant nostrideO PVF Reference Guide 57 Command Line Options Reference largeaddressaware noref_externals signextend Related options D L L 1 U The following list provides the syntax for each M lt pgflag gt option that controls code generation Each option has a description and if appropriate any related options Mdaz Set IEEE denormalized input values to zero there is a perf
36. 5 Export Symbols Use this property to specify whether the DLL will export symbols This property is only visible for DLL project types 5 20 Linker Input The following properties are available from the Linker Input property page 5 20 1 Additional Dependencies Use this property to specify additional dependencies such as libraries to the link line There are two ways to add libraries to this property gt Type the information directly into the property page box Use spaces not semi colons to separate multiple libraries If the name of a library contains a space use double quotes around that library name gt Click the ellipsis button in the property page box to open the Additional Dependencies dialog box Enter each library on its own line in this box If you enter two libraries on the same line in this box PVF interprets these as a single library whose name contains spaces Tip When you close this dialog box review the contents of the property to make sure that any spaces or double quotes automatically added by PVF are appropriate for your project 9 21 Linker Command Line The following properties are available from the Linker Command Line property page PVF Reference Guide 149 PVF Properties 5 21 1 Command Line This property page contains two boxes gt The first box titled All options is a read only description of what the link line will be This value is based on the values o
37. All incoming arguments appear on the stack residing in the stack frame of the caller gt An argument s size is increased if necessary to make it a multiple of words This may require tail padding depending on the size of the argument All registers on an x86 system are visible to both a calling and a called function Registers ebp ebx edi esi and esp are non volatile across function calls Therefore a function must preserve these registers values for its caller Remaining registers are volatile scratch If a calling function wants to preserve such a register value across a function call it must save its value explicitly Some registers have assigned roles in the standard calling sequence oesp The stack pointer holds the limit of the current stack frame which is the address of the stack s bottom most valid word At all times the stack pointer must be kept word aligned ebp The frame pointer holds a base address for the current stack frame Consequently a function has registers pointing to both ends of its frame Incoming arguments reside in the previous frame referenced as positive offsets from ebp while local variables reside in the current frame referenced as negative offsets from ebp A function must preserve this register value for its caller oeax Integral and pointer return values appear in eax A function that returns a structure or union value places the address of the result in eax Otherwise thi
38. CUDA Fortran separate compilation and linking of device routines including device routines in Fortran modules PVF Reference Guide 64 Command Line Options Reference To enable separate compilation and linking include the command line option Mcuda rdc on both the compile and the link steps Mdclchk instructs the compiler to require that all program variables be declared Mnodclchk instructs the compiler not to require that all program variables be declared Mdefaultunit instructs the compiler to treat as a synonym for standard input for reading and standard output for writing Mnodefaul tunit instructs the compiler to treat as a synonym for unit 5 on input and unit 6 on output Mdlines instructs the compiler to treat lines containing D in column 1 as executable statements ignoring the D Mnodlines instructs the compiler not to treat lines containing D in column 1 as executable statements The compiler does not ignore the D Mdollar char char specifies the character to which the compiler maps the dollar sign The compiler allows the dollar sign in names Mextend instructs the compiler to accept 132 column source code otherwise it accepts 72 column code Mfixed instructs the compiler to assume input source files are in FORTRAN 77 style fixed form format Mfree instructs the compiler to assume input source files are in Fortran 90 95 freeform format Miomutex instructs the compiler to g
39. FindResourceEx FindVolumeMountPointClose FlsFree FisSetValue FlushFileBuffers FlushViewOfFile FreeConsole FreeLibrary FreeResource GenerateConsoleCtrlEvent GetBinaryType GetCommConfig GetCommModemStatus GetCommState GetCompressedFileSize GetConsoleAlias GetConsoleAliasesLength GetConsoleAliasExesLength GetConsoleCursorInfo GetConsoleFontSize GetConsoleOutputCP PVF Reference Guide Fortran Module Library Interfaces for Windows EndUpdateResource EnumResourceLanguages EnumResourceTypes EraseTape ExitProcess ExpandEnvironmentStrings FatalExit FileTimeToLocalFileTime FillConsoleOutputAttribute FindActCtxSectionGuid FindAtom FindCloseChangeNotification FindFirstFile FindFirstVolume FindNextChangeNotification FindNextVolume FindResource FindVolumeClose FIsAlloc FIsGetValue FlushConsolelnputBuffer FlushinstructionCache FormatMessage FreeEnvironmentStrings FreeLibraryAndExitThread FreeUserPhysicalPages GetAtomName GetCommandLine GetCommMask GetCommProperties GetCommTimeouts GetComputerName GetConsoleAliases GetConsoleAliasExes GetConsoleCP GetConsoleDisplayMode GetConsoleMode GetConsoleProcessList 173 GetConsoleScreenBufferlnfo GetConsoleTitle GetCurrentActCtx GetCurrentDirectory GetCurrentProcessld GetCurrentThread GetDefaultCommConfig GetDiskFreeSpace GetDIIDirectory GetEnvironmentStrings GetExitCodeProcess GetFileAttributes GetFilelnformationByHandle GetFileSizeEx GetFileType GetFullPa
40. Fortran Data Type Format Range REAL 4 Single precision floating point 10 to 10 0 REAL 8 Double precision floating point 407 to 10 908 1 DOUBLE PRECISION Double precision floating point 103 to 4930811 C dS Approximate value my m The logical constants TRUE and FALSE are all ones and all zeroes respectively Internally the value of a logical variable is true if the least significant bit is one and false otherwise When the option Munixlogical is set a logical variable with a non zero value is true and with a zero value is false A variable of logical type may appear in an arithmetic context and the logical type is then treated as an integer of the same size Table 3 Real Data Type Ranges Data Type Binary Range Decimal Range Digits of Precision REAL 8 ld 10 to 40508 1 15 16 Table 4 Scalar Type Alignment This Type Is aligned on this size boundary PVF Reference Guide 2 Fortran Data Types 1 1 2 FORTRAN 77 Aggregate Data Type Extensions The PGF77 compiler supports de facto standard extensions to FORTRAN 77 that allow for aggregate data types An aggregate data type consists of one or more scalar data type objects You can declare the following aggregate data types gt An array consists of one or more elements of a single data type placed in contiguous locations from first to last gt A structure can contain different data types The members are allocated in the order they
41. Guide 187 Messages 016 Identifier truncated to 63 chars An identifier may be at most 63 characters in length characters after the 63rd are ignored s017 Unable to open include file File is missing read protected or maximum include depth 10 exceeded Remember that the file name should be enclosed in quotes S018 Illegal label Used for label field errors or illegal values E g in fixed source form the label field first five characters of the indicated line contains a non numeric character s019 Illegally placed continuation line A continuation line does not follow an initial line or more than 99 continuation lines were specified S020 Unrecognized compiler directive Refer to user s manual for list of allowed compiler directives S021 Label field of continuation line is not blank The first five characters of a continuation line must be blank S022 Unexpected end of file missing END statement S023 Syntax error unbalanced Unbalanced parentheses or brackets W024 CHARACTER or Hollerith constant truncated to fit data type A character or hollerith constant was converted to a data type that was not large enough to contain all of the characters in the constant This type conversion occurs when the constant is used in an arithmetic expression or is assigned to a non character variable The character or hollerith constant is truncated on the right
42. Mfunc32 Align functions on 32 byte boundaries Minstrument functions linux86 64 only Generate additional code to enable instrumentation of functions The option Minstrument functions is the same as Minstrument Implies Minfo ccff and Mframe PVF Reference Guide 58 Command Line Options Reference Mlargeaddressaware no Win64 only Generates code that allows for addresses greater than 2GB using RIP relative addressing Use Mlargeaddressaware no for a direct addressing mechanism that restricts the total addressable memory gt Do not use Mlargeaddressaware no if the object file will be placed in a DLL If Mlargeaddressaware no is used to compile any object file it must also be used when linking Mlarge arrays Enable support for 64 bit indexing and single static data objects larger than 2GB in size This option is the default in the presence of mcmodel medium It can be used separately together with the default small memory model for certain 64 bit applications that manage their own memory space For more information refer to the Programming Considerations for 64 Bit Environments section of the PGI Visual Fortran User s Guide Mnolarge arrays Disable support for 64 bit indexing and single static data objects larger than 2GB in size When this option is placed after mcmode1 medium on the command line it disables use of 64 bit indexing for applications that have no single data object larger than 2GB
43. When a routine marked C is called arguments except arrays are sent by value For characters only the first character is passed The standard Fortran calling convention is pass by reference DLLEXPORT name Specifies that name is being exported from a DLL DLLIMPORT name Specifies that name is being imported from a DLL NOMIXED_STR_LEN_ARG Specifies that hidden lengths are placed in sequential order at the end of the list This attribute only applies to routines that are compiled with Mi face cre f or that use the default Windows calling conventions REFERENCE name Specifies that the argument name is being passed by reference Often this attribute is used in conjunction with STDCALL where STDCALL refers to an entire routine then individual arguments are modified with REFERENCE STDCALL routine_name Specifies that routine routine name will have its arguments passed by value When a routine marked STDCALL is called arguments except arrays and characters will be sent by value The standard Fortran calling convention is pass by reference PVF Reference Guide 92 Directives Reference VALUE name Specifies that the argument name is being passed by value 3 4 3 DECORATE Directive The DECORATE directive specifies that the name specified in the ALIAS directive should have the prefix and postfix decorations performed on it that are associated with the calling conventions that are in effect These decl
44. address onto the stack The return instruction pops the address off the stack and effectively continues execution at the next instruction after the call instruction A function that returns a scalar or no value must preserve the caller s registers Additionally the called function must remove the return address from the stack leaving the stack pointer esp with the value it had before the call instruction was executed Functions Returning Structures or Unions If a function returns a structure or union then the caller provides space for the return value and places its address on the stack as argument word zero In effect this address becomes a hidden first argument A function that returns a structure or union also sets eax to the value of the original address of the caller s area before it returns Thus when the caller receives control again the address of the PVF Reference Guide 97 Run time Environment returned object resides in register eax and can be used to access the object Both the calling and the called functions must cooperate to pass the return value successfully gt The calling function must supply space for the return value and pass its address in the stack frame gt The called function must use the address from the frame and copy the return value to the object so supplied gt The called function must remove this address from the stack before returning Failure of either side to meet its obligation leads to
45. argument and formal argument have different character lengths PVF Reference Guide 211 Messages The actual and formal array character arguments have different character lengths which is allowed only if both character arrays are declared with the HPF SEQUENCE attribute unless an INTERFACE block is used W407 Argument has a different character length than dummy argument The character length of the actual argument is different than the length specified for the corresponding dummy argument W408 Specified main program is not a PROGRAM The main program specified on the command line is a subroutine function or block data subprogram W409 More than one main program in IPA directory and There is more than one main program analyzed in the IPA directory shown The first one found is used W410 No main program found IPA analysis fails The main program must appear in the IPA directory for analysis to proceed W411 Formal argument is DYNAMIC but actual argument is an expression W412 Formal argument is DYNAMIC but actual argument is not 1413 Formal argument has two reaching distributions and may be a Candidate for cloning 1414 and may be aliased and one of them is assigned Interprocedural analysis has determined that two formal arguments may be aliased because the same variable is passed in both argument positions or one formal arg
46. array cannot be passed to a dummy array argument A subroutine or function call may not pass an element of an array like A N to a dummy array argument if the array A is not sequential If the array is sequential then Fortran sequence and storage association rules will treat the dummy argument as a new array equivalenced to the actual argument starting at the element passed If the array is not sequential then Fortran sequence and storage association rules do not apply PVF Reference Guide 215 Messages W473 must have the PURE attribute F474 This type EXTRINSIC is not yet implemented Contact PGI to ask when this EXTRINSIC type will be implemented m E475 A dummy argument may not be distributed in a PURE interface A dummy argument to a routine defined with a PURE interface may not have the DISTRIBUTE attribute E476 A dummy argument may only be aligned with another dummy in a PURE interface E477 The device array section actual argument was not stride 1 in the leading dimension A device device shared or constant attribute array passed as an array section to an assumed shape dummy argument must be stride 1 in the leading dimension E478 Invalid actual argument to REFLECTED dummy argument The actual argument symbol or expression to a dummy argument with the Accelerator REFLECTED attribute must be a symbol that has a vis
47. arta atta teeta cn O a au cada ate nen aaa 3 24 Dell cota cutee Haast tant Mee adn enn eet nti Ai 24 SYMAK is cee aston ri 24 D a e EEA E EN E A PEE EEE A EE O ak EA EE asi deaee 25 De dd a e 25 Related Options iii aid asii side ation 25 LIDO MS a lalo ie riot decias 26 Us rara nte 26 D SCIIPUON suinisitrarrc ni pise barrido 26 Related OPM iii AAA A AS 26 LO e dd ed dd A DA 26 Default Tae ae oh ee NA a he A a a A hates 26 SVAK tic sie A A orien alts Gea tiie enh 26 USAC ici ts ea cavern an We a ead aii rea di ee 26 Description an et sec A eat oe Ae ed tia tate O 27 R lated OptionS sunei ii aie a pees 27 2 2 21 AU ia A AAA A Mite aes 27 MI dada aaa daa aan de das ae 27 DeCs 27 Related OPS ui da ra a E AE a EA 27 Did DBM ARANA 27 22329 A NS 27 DA lla ca dad aun ateceateral aia reload do 28 A 28 D SCrIDUON ui ta dias siii ses hind a aE aa 28 Related OPINAS a io lane seal aly 28 LL UML Eds 28 AO 28 Descrip toi e ER Ea 28 Relais ad db de adl 28 2231 MO iii as ts id iio iaa arce Usa 28 Us o 28 De ad 29 Related Options tr dl olaa le delia nl A 29 LRM A A AA A 29 PVF Reference Guide v 2 2 33 Mod le DOUE Ps fis 3 de scstedk het Ai eaa Te a aaa aea och aaa Eaa dieeignaiadiiaieti act divide 34 Detalllte creck xe teats anita vanvanen de lala 34 Uco earlier ais a en O 34 DOSCrIDUON Mae ee eee ta at aaa vasos Us edad eet 34 Related pi is a ai alte aun aes 34 2 2 34 mp all align bind NO NUMA sisi nga sean d aioe a t 34
48. autoparallelization within acc parallel The default is to autopar that is to enable loop autoparallelization no required Instructs the compiler to issue a compiler error if the compute regions fail to accelerate The default is required strict Instructs the compiler to issue warnings for non OpenACC accelerator directives verystrict Instructs the compiler to fail with an error for any non OpenACC accelerator directive Usage The following command line requests that OpenACC directives be enabled and that the issue an error for any non OpenACC accelerator directive S pgfortran acc verystrict g prog f Description The acc option enables OpenACC directives You can use the suboptions to specify loop autoparallelization how the compiler reports compute regions failures to accelerate and whether to issue a warning or an error for non OpenACC accelerator directives Starting in PGI 14 1 you control the OpenACC compiler behavior related to accelerator code generation failures with therequi redsuboption The OpenACC compilers now issue a compile time error if accelerator code generation fails In previous releases the compiler would issue a warning then generate code to run the compute kernel on the host This previous behavior generates incorrect results if the compute kernels are inside a data region and the host and device memory values are inconsistent You can enable the old behavior by using the acc norequiredswitch
49. beginning or end of macro definition S is not an argument No macro replacement within a character constant Macro replacement within a character constant W964 F965 W966 Macro replacement within a string literal Recursive include file Null argument to macro Argument to macro is a null value F967 warning User defined preprocessor warning message S969 _Pragma Pragma operator errors PVF Reference Guide 224 Messages 8 4 Fortran Run time Error Messages This section presents the error messages generated by the run time system The run time system displays error messages on standard output 8 4 1 Message Format The messages are numbered but have no severity indicators because they all terminate program execution 8 4 2 Message List Here are the run time error messages 201 illegal value for specifier An improper specifier value has been passed to an I O run time routine Example within an OPEN statement form unknown 202 conflicting specifiers Conflicting specifiers have been passed to an I O run time routine Example within an OPEN statement form unformatted blank null 203 record length must be specified A recl specifier required for an I O run time routine has not been passed Example within an OPEN statement access direct has been passed but the record length has not been specified recl specifier 204 illegal u
50. constants to DOUBLE PRECISION variables and constants respectively DOUBLE PRECISION elements are 8 bytes in length Mnor8 the compiler does not promote REAL variables and constants to DOUBLE PRECISION REAL variables will be single precision 4 bytes in length Mr8intrinsics the compiler treats the intrinsics CMPLX and REAL as DCMPLX and DBLE respectively Mnor8intrinsics the compiler does not promote the intrinsics CMPLX and REAL to DCMPLX and DBLE respectively Mscalarsse Use SSE SSE2 instructions to perform scalar floating point arithmetic This option is valid only on option tp p7 k8 32 k8 64 targets Mnoscalarsse Do not use SSE SSE2 instructions to perform scalar floating point arithmetic use x87 instructions instead This option is not valid in combination with the tp k8 64 option Msmart instructs the compiler driver to invoke a post pass assembly optimization utility Mnosmart instructs the compiler not to invoke an AMD64 specific post pass assembly optimization utility Munro11 option option invokes the loop unroller to execute multiple instances of the loop during each iteration This also sets the optimization level to 2 if the level is set to less than 2 or if no O or g options are supplied The option is one of the following c m instructs the compiler to completely unroll loops with a constant loop count less than or equal to m a supplied constant If this value is not supplied the m
51. detailed description of this programming model and the associated directives refer to Section 9 Using OpenMP of the PGI Compiler User s Guide To set this option in PVF use the Fortran Language Enable OpenMP Directives property described in Enable OpenMP Directives Related options Mconcur option option M no vect option option 2 2 35 noswitcherror Issues warnings instead of errors for unknown switches Ignores unknown command line switches after printing a warning message Default The compiler prints an error message and then halts PVF Reference Guide 35 Command Line Options Reference Usage In the following example the compiler ignores unknown command line switches after printing a warning message pgfortran noswitcherror myprog f Description Use this option to instruct the compiler to ignore unknown command line switches after printing an warning message cy Tip You can configure this behavior in thes i ter cfile by adding set NOSWITCHERROR 1 Related options None 2 2 36 O lt level gt Invokes code optimization at the specified level Default The compiler optimizes at level 2 Syntax O level Where level is an integer from 0 to 4 Usage In the following example since no O option is specified the compiler sets the optimization to level 1 pgfortran myprog f In the following example since no optimization level is
52. expression reordering including factoring recip Perform reciprocal using relaxed precision rsqrt Perform reciprocal square root 1 sqrt using relaxed precision sqrt Perform square root with relaxed precision With no options Mfprelaxed generates relaxed precision code for those operations that generate a significant performance improvement depending on the target processor The default is Mnofprelaxed which instructs the compiler to not use relaxed precision in the calculation of intrinsic functions Mi4 instructs the compiler to treat INTEGER variables as INTEGER 4 Mipa lt option gt lt option gt Pass options to the interprocedural analyzer Note Mipa is not compatible with parallel make environments e g pmake Mipa implies O2 and the minimum optimization level that can be specified in combination with Mipa is O2 For example if you specify Mipa 01 on the command line the optimization level is automatically elevated to O2 by the compiler driver Typically as recommended you would use Mi pa fast Many of the following suboptions can be prefaced with no which reverses or disables the effect of the suboption if it s included in an aggregate suboption such as Mipa fast The choices of option are no align recognize when targets of a pointer dummy are aligned The default is noalign no arg remove arguments replaced by const ptr The default is noarg no cg generate call graph inform
53. function or all functions in the named library are safe A safe procedure does not call back into the known procedures and does not change any known global variables Without Mipa safe any unknown procedures cause IPA to fail no safeall declares that all unknown procedures are safe The default is nosafeal1 For more information refer to Mipa safe no shape perform Fortran 90 array shape propagation The default is noshape summary only collect IPA summary information when compiling This option prevents IPA optimization of this file but allows optimization for other files linked with this file no vestigial remove uncalled vestigial functions The default is novestigial If you use Mipa vestigial in combination with Mipa libopt with PGCC you may encounter unresolved references at link time These unresolved references are a result of erroneous removal of functions by the vestigial sub option to Mipa You can work around this problem by listing specific sub options to Mipa not including vestigial M no loop32 Align do not align innermost loops on 32 byte boundaries with tp barcelona or newer processor Small loops on barcelona may run fast if aligned on 32 byte boundaries however in practice most assemblers do not yet implement efficient padding causing some programs to run more slowly with this default Use Mloop32 on systems with an assembler tuned for barcleona The default is Mnoloop32 M1re array as
54. hyperthreading SSSE3 x87 Intel 64 NUMA static linking lo as For a complete definition of these terms and other terms in this guide with which you may be unfamiliar PGI provides a glossary of terms which you can access at http www pgroup com support definitions htm The following table lists the PGI compilers and tools and their corresponding commands Table 1 PGI Compilers and Commands Compiler or Tool Language or Function Command PGF77 ANSI FORTRAN 77 pgf77 PGFORTRAN ISO ANSI Fortran 2003 pgfortran PGPROF Performance profiler pgprof In general the designation PGI Fortran is used to refer to The Portland Group s Fortran 2003 compiler and pgfortran is used to refer to the command that invokes the compiler A similar convention is used for each of the PGI compilers and tools For simplicity examples of command line invocation of the compilers generally reference the pgfortran command and most source code examples are written in Fortran Usage of the PGF77 compiler whose features are a subset of PGFORTRAN is similar There are a wide variety of x86 compatible processors in use All are supported by the PGI compilers and tools Most of these processors are forward compatible but not backward compatible meaning that code compiled to target a given processor will not necessarily execute correctly on a previous generation processor A table listing the processor options that PGI supports is available in the Release Notes
55. if it were the first argument to the function Alternate return specifiers of a Fortran function are not passed as arguments by the caller The alternate return function passes the appropriate return value back to the caller in rax The handling of the following Fortran 90 features is implementation defined internal procedures pointer arguments assumed shape arguments functions returning arrays and functions returning derived types Inter language Calling Inter language calling between Fortran and C C is possible if function subroutine parameters and return values match types If a C C function returns a value call it from Fortran as a function otherwise call it as a subroutine If a Fortran function has type CHARACTER or COMPLEX call it from C C as a void function If a Fortran subroutine has alternate returns call it from C C as a function returning int the value of such a subroutine is the value of the integer expression specified in the alternate RETURN statement If a Fortran subroutine does not contain alternate returns call it from C C as a void function Table 23 provides the C C data type corresponding to each Fortran data type Table 23 Fortran and C C Data Type Compatibility Fortran Type C C Type Size bytes PVF Reference Guide 109 Run time Environment Fortran Type C C Type Size bytes ECO CC CI E CC CN CT CC CN CC CT CS The PGI Compiler User s Guide contains a table that provi
56. in identifiers With Mupcase the identifiers X and x are different Keywords must be in lower case This selection affects the linking process If you compile and link the same source code using Mupcase on one occasion and Mnoupcase on another you may get two different executables depending on whether the source contains uppercase letters The standard libraries are compiled using the default Mnoupcase Mnoupcase instructs the compiler to convert all identifiers to lower case This selection affects the linking process If you compile and link the same source code using Mupcase on one occasion and Mnoupcase on another you may get two different executables depending on whether the source contains uppercase letters The standard libraries are compiled using Mnoupcase 2 3 4 Inlining Controls This section describes the M lt pgflag gt options that control function inlining Usage Before looking at all the options let s look at a couple examples In the following example the compiler extracts functions that have 500 or fewer statements from the source file myprog f and saves them in the file extract il S pgfortran Mextract 500 o extract il myprog f In the following example the compiler inlines functions with fewer than approximately 100 statements in the source file myprog f pgfortran Minline size 100 myprog f Related options o Mextract The following list provides the syntax for each M lt pgf
57. information on M no daz refer to Code Generation Controls 5 9 5 IEEE Arithmetic Use this option to specify IEEE floating point arithmetic gt Default Accept the default floating point arithmetic gt Yes Enable IEEE floating point arithmetic using the Kieee compilation option gt No Disable IEEE floating point arithmetic using the Knoieee compilation option For more information on K no ieee refer to K lt flag gt 5 10 Fortran External Procedures The following properties are available from the Fortran External Procedures property page 5 10 1 Calling Convention Use this property to specify an alternate Fortran calling convention gt Default Accept the default calling convention gt C By Reference Use the CREF calling convention Adds Miface cref to compilation On both Win32 and x64 platforms no trailing underscores are used with this option On the x64 platform this option also causes Fortran externals to be uppercase and lengths of character arguments to be put at the end of the argument list gt Unix Win32 platform only Use the Unix calling convention Adds Mi face unix to compilation No trailing underscores are used with this option For more information on Mi face refer to Miscellaneous Controls 5 10 2 String Length Arguments Use this property to change where string length arguments are placed in the argument list gt Default Use the calling convention s default plac
58. not be distributed replicating The compiler will replicate the function result E519 More than one device resident object in assignment Only one device resident variable or array is allowed in an assignment E520 Host MODULE data cannot be used in a DEVICE or GLOBAL subprogram CUDA Fortran DEVICE or GLOBAL subprograms cannot access host data directly E521 MODULE data cannot be used in a DEVICE or GLOBAL subprogram unless compiling for compute capability gt 2 0 CUDA Fortran DEVICE or GLOBAL subprograms cannot access data from any MODULE except the MODULE containing the subprogram unless they are being compiled for compute capability 2 0 or higher This feature requires the unified memory system provided in compute capability 2 0 E522 MODULE data cannot be used in a DEVICE or GLOBAL subprogram unless compiling with CUDA Toolkit 3 0 or later CUDA Fortran DEVICE or GLOBAL subprograms cannot access data from any MODULE except the MODULE containing the subprogram unless they are being compiled for compute capability 2 0 or higher with the CUDA Toolkit 3 0 or later This feature requires the unified memory system provided in compute capability 2 0 W523 MODULE data used in a DEVICE or GLOBAL subprogram forces compute capability gt 2 0 only CUDA Fortran DEVICE or GLOBAL subprograms can access MODULE data
59. notes delivered with the PGI Visual Fortran Conventions This guide uses the following conventions italic is used for emphasis Constant Width is used for filenames directories arguments options examples and for language statements in the text including assembly language statements Bold is used for commands item1 in general square brackets indicate optional items In this case item1 is optional In the context of p t sets square brackets are required to specify a p t set item2 item 3 braces indicate that a selection is required In this case you must select either item2 or item3 filename ellipsis indicate a repetition Zero or more of the preceding item may occur In this example multiple filenames are allowed FORTRAN Fortran language statements are shown in the text of this guide using a reduced fixed point size C C C C language statements are shown in the test of this guide using a reduced fixed point size The PGI compilers and tools are supported on both 32 bit and 64 bit variants of the Linux OS X and Windows operating systems on a variety of x86 compatible processors There are a wide variety of releases and distributions of each of these types of operating systems Terms A number of terms related to systems processors compilers and tools are used throughout this guide For example AVX memodel small SSE1 PVF Reference Guide XX Preface dynamic library MPICH SSE4A and ABM x86
60. o refer to o 5 19 2 Additional Library Directories Use this property to add one or more directories to the library search path For every directory path that is added to this property PVF adds LIBPATH dir to the link line There are two ways to add directories to this property gt Type the information directly into the property page box Use a semi colon to separate each directory gt Click the ellipsis button in the property page box to open the Additional Library Directories dialog box Enter each directory on its own line in this box Do not use semi colons to separate directories the semi colons are added automatically when the box is closed Tip To add directories use this property To add libraries use the Additional Dependencies property on the Linker Input Property page PVF Reference Guide 148 PVF Properties 5 19 3 Stack Reserve Size Use this property to specify the total number of bytes for stack allocation in virtual memory Use decimal notation This property is equivalent to the stack reserve option Leave this property blank to direct the linker to choose a default size for the stack 5 19 4 Stack Commit Size Use this property to specify the total number of bytes for stack allocation in physical memory Use decimal notation This property is equivalent to the stack reserve commit option Commit Size is used only if a size is also specified for Stack Reserve 5 19
61. of a symbol has occurred For example an attempt was made to declare a symbol as an ENTRY when that symbol was previously declared as an ENTRY S045 Data type of entry point disagrees with function The current function has entry points with data types inconsistent with the data type of the current function For example the function returns type character and an entry point returns type complex S046 Data type length specifier in wrong position The CHARACTER data type specifier has a different position for the length specifier from the other data types Suppose we want to declare arrays ARRAYA and ARRAYB to have 8 elements each having an element length of 4 bytes The difference is that ARRAYA is character and ARRAYB is integer The declarations would be CHARACTER ARRAYA 8 4 and INTEGER ARRAYB 4 8 S047 More than seven dimensions specified for array S048 Illegal use of in declaration of array An asterisk may be used only as the upper bound of the last dimension S049 Illegal use of in non subroutine subprogram The alternate return specifier is legal only in the subroutine statement Programs functions and block data are not allowed to have alternate return specifiers S050 Assumed size array is not a dummy argument Qo S051 Unrecognized built in function The allowable built in functions are VAL REF LOC and FILL One was encountered that did not match one of these
62. or application code Table 7 Optimization Related PGI Compiler Options Option Description pc lt val gt tp px p5 p6 piii targets only Set precision globally for x87 floating point calculations must be used when compiling the main program lt val gt may be one of 32 64 or 80 2 1 4 PGI Linking and Runtime Related Compiler Options The options included in the following table pertain to defining parameters related to linking and running your program or application Table 8 Linking and Runtime Related PGI Compiler Options Option Description Compiles for and links to the DLL version of the PGI runtime libraries Bstatic_pgi Compiles for and links to the static version of the PGI runtime libraries byteswapio Fortran only Swap bytes from big endian to little endian or vice versa on input output of unformatted data i2 i4 and i8 i2 Treat INTEGER variables as 2 bytes i4 Treat INTEGER variables as 4 bytes i8 Treat INTEGER and LOGICAL variables as 8 bytes and use 64 bits for INTEGER 8 operations Requests special compilation semantics with regard to conformance to IEEE 754 M lt pgflag gt Selects variations for code generation and optimization PVF Reference Guide 8 Command Line Options Reference 2 2 Generic PGI Compiler Options The following descriptions are for all the PGI options For easy reference the options are arranged in alphabetical order For a list of options by tas
63. point expressions To set this option O2 or O3 in PVF use the Fortran Optimization Global Optimizations property described in Global Optimizations The following table shows the interaction between the O option g option Mvect and Mconcur options Table 11 Optimization and O g Mvect and Mconcur Options Optimize Option Debug Option M Option Optimization Level CC EC CC CC CON Unoptimized code compiled using the option O0 can be significantly slower than code generated at other optimization levels Like the Mvect option the Munro11 option sets the optimization level to level 2 if no O or g options are supplied The gopt option is PVF Reference Guide 37 Command Line Options Reference recommended for generation of debug information with optimized code For more information on optimization refer to the Optimizing and Parallelizing section of the PGI Visual Fortran User s Manual Related options g M lt peflag gt gopt 2 2 31 0 Names the executable file Use the o option to specify the filename of the compiler object file The final output is the result of linking Default The compiler creates executable filenames as needed If you do not specify the ooption the default filename is the linker output file with a name comprised of the base file name such as myprog plus the extension exe for example myprog exe Syntax o filename Whe
64. point expressions cast to integer I132 Floating pt invalid oprnd Check constants and constant expressions 133 Divide by 0 0 Check constants and constant expressions S134 Illegal attribute W135 Missing STRUCTURE name field A STRUCTURE name field is required on the outermost structure w136 Field namelist not allowed The field namelist field of the STRUCTURE statement is disallowed on the outermost structure W137 Field namelist is required in nested structures X W138 Multiply defined STRUCTURE member name A member name was used more than once within a structure W139 Structure in RECORD statement not defined A RECORD statement contains a reference to a STRUCTURE that has not yet been defined S140 Variable is not a RECORD S141 RECORD required on left of S142 is not a member of this RECORD 143 requires initializer PVF Reference Guide 196 Messages W144 NEED ERROR MESSAGE This is used as a temporary message for compiler development W145 SFILL only valid within STRUCTURE block The FILL special name was used outside of a STRUCTURE multiline statement It is only valid when used within a STRUCTURE multiline statement even though it is ignored S146 Expression must be character type S147 Character expression not allowed in this context
65. set to find these the path to these DLLs could be added to the PATH environment variable For more information on PATH refer to the PGI Visual Fortran User s Manual If the Merge Environment property is set to Yes then the contents of the Environment property are merged with the existing environment when the application is run or debugged 5 2 5 Merge Environment Use this property to merge the environment variables in the Environment property with the existing environment when the application is run or debugged To do this set the Merge Environment property to Yes 5 2 6 Accelerator Profiling Use this property to generate accelerator profiling information at runtime To do this set the Accelerator Profiling property to Yes Setting this property to Yes sets the PGI_ ACC TIME environment variable to 1 5 2 7 MPI Debugging Use this property to enable MPI debugging and select local MPI debugging PVF Reference Guide 115 PVF Properties The value selected for this property determines which properties are displayed following it on the Debugging property page Important If you change the value of this property and the displayed properties do not change be sure to Click Apply in the property page dialog box gt When MPI Debugging is set to Disabled the application is run or debugged in serial mode gt When MPI Debugging is set to Local the application is run or debugged using mpiexec All processes la
66. specified and a O option is specified the compiler sets the optimization to level 2 S poxoccrean O MII oa E Description Use this option to invoke code optimization Using the PGI compiler commands with the Olevel option the capital O is for Optimize you can specify any of the following optimization levels 00 Level zero specifies no optimization A basic block is generated for each language statement PVF Reference Guide 36 Command Line Options Reference O1 Level one specifies local optimization Scheduling of basic blocks is performed Register allocation is performed O When no level is specified level two global optimizations are performed including traditional scalar optimizations induction recognition and loop invariant motion No SIMD vectorization is enabled 02 Level two specifies global optimization This level performs all level one local optimization as well as level two global optimization described in O In addition this level enables more advanced optimizations such as SIMD code generation cache alignment and partial redundancy elimination 03 Level three specifies aggressive global optimization This level performs all level one and level two optimizations and enables more aggressive hoisting and scalar replacement optimizations that may or may not be profitable 04 Level four performs all level one level two and level three optimizations and enables hoisting of guarded invariant floating
67. the properties of file I O for files opened after the call to ioinit such as whether to recognize carriage control how to treat blanks and zeros and whether to open files at the beginning or end of the file irand1 INTEGER 4 Generates pseudo random integer in the range of 0 through 2 31 1 or 2 15 1 if called with no argument irand2 INTEGER 4 Generates pseudo random integer in the range of 0 through 2 31 1 or 2 15 1 if called with no argument irandm INTEGER 4 Generates pseudo random integer in the range of 0 through 2 31 1 or 2 15 1 if called with no argument LOGICAL Finds the name of a terminal port Returns TRUE if the specified unit is a terminal PVF Reference Guide 163 Fortran Module Library Interfaces for Windows Routine Description itime numerical form of Fills and returns TARRAY with numerical values at the current local time time with elements 1 2 and 3 of TARRY being the hour 1 24 minute 1 60 and seconds 1 60 kill INTEGER 4 Sends the specified signal to the specified process or group of processes Returns 0 if successful 1 otherwise INTEGER 4 Creates an additional directory entry for the specified existing file Inblnk INTEGER 4 Returns the position of the last non blank string character in the specified string INTEGER 4 Returns the address of an object fing INTEGER 4 Converts INTEGER 2 to INTEGER 4 Istat INTEGER 4 Obtains information about the referenced open file or share
68. these types of files to 132 characters set this property to Yes which adds the Mextend switch to the PVF compilation line For more information on Mextend refer to Fortran Language Controls 5 8 4 Enable OpenMP Directives Use this property to enable OpenMP 3 0 directives Setting this property to Yes adds the mp switch to the PVF compilation and link lines PVF Reference Guide 123 PVF Properties For more information on mp refer to mp all align bind no numa 5 8 5 Enable OpenACC Directives Use this property to enable OpenACC directives Setting this property to Yes adds the acc switch to the PVF compilation and link lines and activates access to these additional properties OpenACC Autoparallelization OpenACC Required OpenACC Routineseq OpenACC Wait OpenACC Conformance Level OpenACC Sync For more information on acc refer to acc 5 8 6 OpenACC Autoparallelization When Enable OpenACC Directives is set to Yes use this property to control loop autoparallelization within acc parallel gt Default Allows the compiler to control loop autoparallelization within acc parallel This selection adds no additional sub options to acc gt Yes Directs the compiler to enable loop autoparallelization within an OpenACC parallel region acc autopar gt No Directs the compiler to disable loop autoparallelization within an OpenAcc parallel region acc noautopar 5 8 7 OpenACC Required Wh
69. to access the successive parameters For unprototyped functions or functions that use varargs floating point arguments passed in registers must be passed in both an XMM register and its corresponding general purpose register C Parameter Conversion In C for a called prototyped function the parameter type in the called function must match the argument type in the calling function gt Ifthe called function is not prototyped the calling convention uses the types of the arguments but promotes char or short to int and unsigned char or unsigned short to unsigned int and promotes float to double unless you use the Msingle option For more information on the Ms ingle option refer to M Options by Category PVF Reference Guide 106 Run time Environment gt Ifthe called function is prototyped the unused bits of a register containing a char or short parameter are undefined and the called function must extend the sign of the unused bits when needed Calling Assembly Language Programs C Program Calling an Assembly language Routine File testmain c main long 1 paral 0x3f800000 HOG E paraz L07 doublenompatas ONS float return extern float sum 3 long paral float para2 double para3 if MSeUie Swi SUL joel dE joeucey2 tel joeticeisi y printf Parameter one type long 08x1n 1 paral printf Parameter two type float Sfin f para2 printf Parameter three type double g n d_pa
70. to enable parallelizer information pfo instructs the compiler to enable profile feedback information time instructs the compiler to display compilation statistics unroll instructs the compiler to display information about loop unrolling vect instructs the compiler to enable vectorizer information Minform level instructs the compiler to display error messages at the specified and higher levels where level is one of the following fatal instructs the compiler to display fatal error messages no file instructs the compiler to print or not print source file names as they are compiled The default is to print the names Minform file inform instructs the compiler to display all error messages inform warn severe and fatal severe instructs the compiler to display severe and fatal error messages warn instructs the compiler to display warning severe and fatal error messages To set this option in PVF use the Fortran Diagnostics Warning Level property described in Warning Level Minstrumentation option specifies the level of instrumentation calls generated This option implies Minfo ccff Mframe option is one of the following level specifies the level of instrumentation calls generated function default generates instrumentation calls for entry and exit to functions PVF Reference Guide 81 Command Line Options Reference Just after function entry and just before function exit the following prof
71. to not parallelize innermost loops since it is usually not profitable on dual core processors noassoc Instructs the parallelizer to disable parallelization of loops with reductions When linking the Mconcur switch must be specified or unresolved references result The NCPUS environment variable controls how many processors or cores are used to execute parallelized loops To set this option in PVF use the Fortran Optimization Auto Parallelization property described in Auto Parallelization This option applies only on shared memory multi processor SMP or multi core processor based systems Mcray option option Force Cray Fortran CF77 compatibility with respect to the listed options Possible values of option include PVF Reference Guide 69 Command Line Options Reference pointer for purposes of optimization it is assumed that pointer based variables do not overlay the storage of any other variable Mdepchk instructs the compiler to assume unresolved data dependencies actually conflict Mnodepchk Instructs the compiler to assume potential data dependencies do not conflict However if data dependencies exist this option can produce incorrect code Mdse Enables a dead store elimination phase that is useful for programs that rely on extensive use of inline function calls for performance This is disabled by default Mnodse Disables the dead store elimination phase This is the default M n
72. use the u option PVF Reference Guide 53 Command Line Options Reference Syntax usymbol Where symbol is a symbolic name Usage In this example pgfortran initializes symbol table with test S pgfortran utest myprog f Description Use this option to initialize the symbol table with lt symbol gt which is undefined for the linker An undefined symbol triggers loading of the first member of an archive library Related options O 2 2 54 U Undefines a preprocessor macro Syntax Usymbol Where symbol is a symbolic name Usage The following examples undefine the macro test S pgfortran Utest myprog F pgfortran Dtest Utest myprog F Description Use this option to undefine a preprocessor macro You can also use the undef pre processor directive to undefine macros To set this option in PVF use the Fortran Preprocessor Undefine Preprocessor Definitions property described in Undefine Preprocessor Definitions Related options D Mnostddef PVF Reference Guide 54 Command Line Options Reference 2 2 00 V release_number Displays additional information including version messages Further if arelease numberis appended the compiler driver attempts to compile using the specified release instead of the default release gt There can be no space between V and release number Default The compiler does not display version information and uses the release specified
73. xmm2 xmm3 Registers are assigned using the argument s ordinal position in the argument list For example if a function s first argument is an integral type and its second argument is a floating point type the first argument will be passed in the first general purpose register rcx and the second argument will be passed in the second XMM register xmm1 the first XMM register and second general purpose register are ignored Arguments after the first four are passed on the stack Integral and pointer type return values are returned in rax Floating point return values are returned in xmm0 Additional registers with assigned roles in the standard calling sequence orsp The stack pointer holds the limit of the current stack frame which is the address of the stack s bottom most valid word The stack pointer should point to a 16 byte aligned area unless in the prolog or a leaf function PVF Reference Guide 103 Run time Environment rbp The frame pointer if used can provide a way to reference the previous frames on the stack Details are implementation dependent A function must preserve this register value for its caller MXCSR The flags register MXCSR contains the system flags such as the direction flag and the carry flag The six status flags MXCSR 0 5 are volatile the remainder of the register is nonvolatile x87 Floating Point Control Word FPCSR The control word contains the floating point flags such as the
74. 00 zero unless you specify the Ooption For more information on the interaction between the gand Ooptions refer to the Oentry Symbolic debugging may give confusing results if an optimization level other than zero is selected Including symbolic debugging information increases the size of the object module To set this option in PVF use the Fortran General Debug Information Format property described in Debug Information Format on page 377 Related options O lt level gt gopt 2 2 20 gopt Instructs the compiler to include symbolic debugging information in the object file and to generate optimized code identical to that generated when g is not specified Default The compiler does not put debugging information into the object module Usage In the following example the object file myprog obj contains symbolic debugging information S poroctien G00 MO os E Description Using galters how optimized code is generated in ways that are intended to enable or improve debugging of optimized code The goptoption instructs the compiler to include symbolic debugging information in the object file and to generate optimized code identical to that generated when g is not specified PVF Reference Guide 20 Command Line Options Reference To set this option in PVF use the Fortran General Debug Information Format property described in Debug Information Format Related options g
75. 6 3 Ignore Standard Include Path Use this property to specify whether the preprocessor should ignore the standard include path Setting this property to Yes adds the Mnostdinc switch to the compilation command line For more information on Mnostdinc refer to Environment Controls 5 6 4 Preprocessor Definitions Use this property to add one or more preprocessor definitions to compilation For every definition that is added to this property PVF adds D lt definition gt to the compilation line There are two ways to add definitions to this property gt Type the information directly into the property page box PVF Reference Guide 121 PVF Properties Use a semi colon to separate each definition For example DEF1 DEF2 2 defines DEFI and defines DEF2 and initializes it to 2 gt Click the ellipsis button in the property page box to open the Preprocessor Definitions dialog box Enter each definition on its own line in this box Do not use semi colons to separate definitions the semi colons are added automatically when the box is closed For more information on D lt definition gt refer to D 5 6 5 Undefine Preprocessor Definitions Use this property to undefine one or more preprocessor definitions For every definition that is added to this property PVF adds U lt definition gt to the compilation line There are two ways to add definitions to this property gt Type the infor
76. 91421 ALIAS Dice se ves eterteveeve verted ER weave yale inva dia ia 91 3 42 ATTRIBUTES DIECO iuacoiiatari aaa ane 92 3 4 3 DECORATE Directive ceseeessesesessesnesesesnseessesnceesassnceesacsnseesassnseesassnseesassnsetsassnseesessnsensassnseteatsnteneatanteneetenees 93 PVF Reference Guide ix 3 44 DISTRIBUTE DirectiVe iia nani ads 93 Chapter 4 Run time Environ Mein 94 4 1 Win32 Programming Model a a al on 94 4 41 11 Funcion Calling SEQUE da 94 4 1 2 Function Returni Valverde 97 4 1 3 Argument Passion ae 98 4 2 Win64 Programming Model cociciccicnicccicnnncnnnncnc cr 101 4 21 Function Calling SCQUGNCE viii cata deba aleacion 101 4 2 2 Function Return ValleS naciona 104 4 2 3 ATgumeNt PASSING ia ai aa ashe oi 105 4 24 Win64 Fortran SUPplMONt ovoniuinc iia 107 Chapter 5 PVE Properties visir anar 113 Si General Property Paliepiai E e E E 113 Sl A General issira aaaeei aneao a paaa aeaa annaa yeiiadidalaniiienunidayinialedsaninonies 113 9 2 Output Dre asn E 113 93 Intermediate Dia 114 5 14 Extensions to Delete on Clinics ata 114 5115 Conmiguration Type iii e a a ia 114 9 10 Puld Log Fleur ao ias do a 114 O Bud Log Leveliiciann aaa 114 5 2 Debugging Property Pag narco 114 92A Debugging A 114 5 2 2 Application COMMANG ii dar 114 5 2 3 Application ATQUMENS isni it dial 115 52A ENVIO Macia e 115 9 2 0 Merge ENVIO MEN chuan nan ae naaa 115 A ON 115 92 02 MPIDEbUggING ci n 115 972 0 WOrKING DIFGCIONY
77. AMETER statement has been truncated to fit the declared size of the corresponding identifier W123 Hollerith length specification too big reduced The length specifier field of a hollerith constant specified more characters than were present in the character field of the hollerith constant The length specifier was reduced to agree with the number of characters present S124 Relational expression mixes character with numeric data A relational expression is used to compare two arithmetic expressions or two character expressions A character expression cannot be compared to an arithmetic expression 1125 Dummy procedure not declared EXTERNAL PVF Reference Guide 195 Messages A dummy argument which is not declared in an EXTERNAL statement is used as the subprogram name in a CALL statement or is called as a function and is therefore assumed to be a dummy procedure This message can result from a failure to declare a dummy array 126 Name is not an intrinsic function 127 Optimization level for changed to opt 1 W128 Integer constant truncated to fit data type An integer constant will be truncated when assigned to data types smaller than 32 bits such as a BYTE I129 Floating point overflow Check constants and constant expressions I130 Floating point underflow Check constants and constant expressions 131 Integer overflow Check floating
78. Additional Dependenci s cima dsd 151 5 24 Librarian Command tii ia 151 5 241 Command LING rr ii atra qinia 151 5 25 Resources Properly Pagos br brida lbs tio 152 5 26 Resources Command Line i c icsicscciesiesesiesssscetestesertenissesiestedertenteateseseedestenteseeiestedesseateaseesesdesteaieaesiesiedesaeateaess 152 5 20 1 Command Lines ci a dd Ann Aiea ana deen Rea 152 9 27 Build Events Property Page imitar ara tati rta aria arar prota radmin 152 02 le BUI E e le tl al edil tool ral tod 152 5 272 Command Lie nesses a a a r a a a a E Ei 152 5 213 DESCHIDLION us A AO ena 153 5 2 4 Excluded From Bulls eiaa E e a a dat AA ae aan 153 5 28 Custom Build Sep Property Page soari senda s a T eth end A E hte ode 153 5 28 1 Custom Build Step Generalicascvetece slasaiveta iras id daria suid boise cules 153 5 28 2 COMMON 153 0 20 30 DESC rasa 153 ZAS ende 153 5 28 5 Additional Dependencies cccccccsscecessesesesesessesescesesesussceeeceaesnsusaceeeeeaesnsacaseeeasansnsaceseceasansesaceteteenenseeaeess 153 PVF Reference Guide xiv Chapter 6 PVF B ild Macros ii vasvasacxaseabeateuvan evsnienstays 155 Chapter 7 Fortran Module Library Interfaces for WiNdOWS ssssssssssnssssunensnunonununnnnnunonnnunnnununennnunnnnnunnnnnunnnnnunnnnnunnnnna 158 fale SOURCE FIRS AG cate ahaha ai ae ei ee ee 158 Cds Dalal TO e da tig ln dn nae 158 Ge Using DFB LBM and DEPOR Td caidas 159 ANDE dci 159 COLI Ia ATAT A E f
79. Asc tise aust eae tees ina rra ano arco RER 116 9 2 9 Number Of PTOCOSSOS cardinal ia aan ad idle da 116 9 22110 Working Directo omita 116 5 2 11 Additional Arguments MpieX C cceescseseseesesneeessesneeessesnsetesesnseseaeeneeteatenceteanenseteatenseteatenseeeataneeteaneneeeeaees 116 52 42 Location OMPI iia A 117 99 Fortran Property Pags iaa 117 A OOO 117 9 4 1 Display Startup Bannet atiina AA c 117 5 4 2 Additional Include Directories cccesesssecsessseessseeseeseseeneeeeseeneeseseeseeeeseeneeesseeneeeeseeseeesseeaeeessneaseessneneesaneees 117 9 43 Modules Padierna o io oda 118 9 44 Object File NaMe iii a a 118 5 4 5 Debug Information Format cccessessecsssssseesssesseeesseeneessseeseeesseeseeseseeneeseseeaeesesneseeesseeaeeesseeseeessneaseessneaeeessneees 118 5 46 OpUMiZatiON ase NN 119 9 9 Fortran Optimizations oca A Ara 119 5 5 1 OPIMIZ MOM ai a and 119 PVF Reference Guide X 5 5 2 Global Optimizations eeccececceccceesesecscseecseesesecsceeeesesesacececeacacsnsaceeeseasansesaceeeceatsnsuseceeeesasensaseceeeesaneneaseseeeees 119 Dd VECLONZALON iaa dad 119 A O 120 900 Use EE ESTAN EEA dd eee el da dla a keel tM Rao 120 5 5 6 Loop Unroll Gountis serie coheiis ao 120 5 5 7 Auto Parallelizationy tii A alias dialed 120 9 6 Fortran PreproceSsing viii dde dos 121 5 6 1 PrEPTOCESS Source li ida 121 5 6 2 Additional Include Directories cccccsccesesseseseseesesseseseeeesese
80. Atrays and strings are passed to functions using a pointer to caller allocated memory Structure and union arguments of size 1 2 4 or 8 bytes will be passed as if they were integers of the same size Structures and unions of other sizes will be passed as a pointer to a temporary allocated by the caller and whose value contains the value of the argument The caller allocated temporary memory used for arguments of aggregate type must be 16 byte aligned Passing Arguments on the Stack Registers are assigned using the argument s ordinal position in the argument list For example if a function s first argument is an integral type and its second argument is a floating point type the first argument will be passed in the first general purpose register Jorcx and the second argument will be passed in the second XMM register xmm1 the first XMM register and second general purpose register are ignored Arguments after the first four are passed on the stack they are pushed on the stack in reverse order with the last argument pushed first Parameter Passing Table 21 shows the register allocation and stack frame offsets for the function declaration and call shown in the following example typedef struct aaa 19 iF ILOSNE 27 steuer aise ap kloat Eg Clowoile ely Loma Ly omo lonc Le stve sile extern void sume me a cloar E SumarlL sil coviole el toara lors ii home i Fue al i Sl cl Ll L g PVF Reference Guide 105 Run ti
81. CK USAGE environment variable to any value then the program displays the stack space allocated and used after the program exits For example you might see something similar to the following message thread 0 stack max 8180KB used 48KB This message indicates that the program used 48KB of a 8180KB allocated stack This information is useful when you want to explicitly set a reserved and committed stack size for your programs such as using the stack option on Windows For more information on the PGI_STACK_USAGE refer to PGI _STACK_USAGE in the PGI Compiler User s Guide McpplI option option run the PGI cpp like preprocessor without execution of any subsequent compilation steps This option is useful for generating dependence information to be included in makefiles Only one of the m md mm or mmd options can be present if multiple of these options are listed the last one listed is accepted and the others are ignored The option is one or more of the following m print makefile dependencies to stdout md print makefile dependencies to filename d where filename is the root name of the input file being processed ignoring system include files mm print makefile dependencies to stdout ignoring system include files mmd print makefile dependencies to filename d where filename is the root name of the input file being processed ignoring system include files no comment do do not retain comments in output
82. File UnregisterWaitEx VerifyVersionInfo VirtualAllocEx VirtualFreeEx VirtualProtect VirtualQuery VirtualUnlock WaitForDebugEvent WaitForMultipleObjectsEx WaitForSingleObjectEx WinExec Wow64EnableWow64FsRedirection WriteConsole WriteConsoleOutput WriteConsoleOutputCharacter WriteFileEx WritePrivateProfileSection WritePrivateProfileStruct WriteProfileSection Write Tapemark ZombifyActCtx _hwrite _Icreat _lopen _lwrite 7 5 7 shell32 These are the functions that she 1132 includes DoEnvironmentSubst PVF Reference Guide Fortran Module Library Interfaces for Windows SystemTimeToTzSpecificLocalTime TerminateProcess TlsAlloc TlsGetValue TransactNamedPipe TryEnterCriticalSection UnhandledExceptionFilter UnlockFileEx UnregisterWait UpdateResource VirtualAlloc VirtualFree VirtualLock VirtualProtectEx VirtualQueryEx WaitCommEvent WaitForMultiple Objects WaitForSingleObject WaitNamedPipe Wow64DisableWow64FsRedirection Wow64RevertWow64FsRedirection WriteConsolelnput WriteConsoleOutputAttribute WriteFile WriteFileGather WritePrivateProfileString WriteProcessMemory WriteProfileString WTSGetActiveConsoleSessionld _hread _Iclose _llseek _lread ShellExecuteEx 178 DragAcceptFiles DragFinish DragQueryFile DragQueryPoint Duplicatelcon ExtractAssociatedlcon Extractlcon ExtractlconEx FindExecutable IsLFNDrive SHAppBarMessage SHCreateProcessAsUserW ShellAbout ShellExecute 7 5 8
83. ForExePath OpenFile OpenJobObject OpenProcess OpenThread OutputDebugString PeekNamedPipe PrepareTape PulseEvent QueryActCtxW QueryDosDevice QueryMemoryResourceNotification QueryPerformanceFrequency QueueUserWorkltem ReadConsole ReadConsoleOutput ReadConsoleOutputCharacter ReadFile ReadFileScatter RegisterWaitForSingleObject ReleaseActCtx ReleaseSemaphore RemoveVectoredContinueHandler ReOpenFile RequestDeviceWakeup ResetEvent RestoreLastError ScrollConsoleScreenBuffer PVF Reference Guide Fortran Module Library Interfaces for Windows LocalSize LockFile LockResource Istremp Istrepy Istrlen MapUserPhysicalPagesScatter MapViewOfFileEx MoveFileEx MulDiv OpenEvent OpenFileMapping OpenMutex OpenSemaphore OpenWaitableTimer PeekConsolelnput PostQueuedCompletionStatus ProcessldToSessionld PurgeComm QueryDepthSList QueryInformationJobObject QueryPerformanceCounter QueueUserAPC RaiseException ReadConsolelnput ReadConsoleOutputAttribute ReadDirectoryChangesW ReadFileEx ReadProcessMemory RegisterWaitForSingleObjectEx ReleaseMutex RemoveDirectory RemoveVectoredExceptionHandler ReplaceFile RequestWakeupLatency ResetWrite Watch ResumeThread SearchPath 176 SetCommBreak SetCommMask SetCommTimeouts SetComputerNameEx SetConsoleCP SetConsoleCursorlnfo SetConsoleMode SetConsoleScreenBufferSize SetConsoleTitle SetCriticalSectionSpinCount SetDefaultCommConfig SetEndOfFile SetEnvironmentVar
84. MMode SetMapMode SetMetaRgn SetPixel SetPolyFillMode SetStretchBitMode SetTextCharacterExtra SetViewportExtEx SetWindowOrgEx StartDoc StretchDIBits TextOut TransparentBlt UpdatelCMRegKey wglCreateL ayerContext wglGetCurrentContext wglGetProcAddress wglSetLayerPaletteEntries wglSwapMultipleBuffers WidenPath These are the functions that kernel 32 includes ActivateActCtx AddConsoleAlias AddVectoredContinueHandler AllocateUserPhysicalPages AreFileApisANSI AttachConsole PVF Reference Guide AddAtom AddRefActCtx Fortran Module Library Interfaces for Windows RoundRect ScaleWindowExtEx SelectObject SetArcDirection SetBkColor SetBrushOrgEx SetDCBrushColor SetDIBColorTable SetEnhMetaFileBits SetICMProfile SetMapperFlags SetMiterLimit SetPixelFormat SetRectRgn SetSystemPaletteUse SetTextColor SetViewportOrgEx SetWinMetaFileBits StartPage StrokeAndFillPath UnrealizeObject wglCopyContext wglDeleteContext wglGetCurrentDC wglMakeCurrent wglShareLists wglUseFontBitmaps AddVectoredExceptionHandler AllocConsole AssignProcessToJobObject BackupRead 171 BackupSeek Beep BindloCompletionCallback BuildCommDCBAndTimeouts CancelDeviceWakeupRequest CancelTimerQueueTimer CheckNameLegalDOS8Dot3 ClearCommBreak CloseHandle CompareFileTime ContinueDebugEvent ConvertThreadToFiber CopyFile CreateActCtx CreateDirectory CreateEvent CreateFiberEx CreateFileMapping CreateloCompletionPort CreateJ
85. Messages W249 Syntax error in module A module directive was not correctly formed W250 Syntax error in undef A undef directive was not correctly formed W251 Token after ifdef must be identifier The ifdef directive was not followed by an identifier W252 Token after ifndef must be identifier The ifndef directive was not followed by an identifier S253 Too many actual parameters to The number of actual arguments to the indicated macro exceeded the maximum allowed currently 31 S254 Too many formal parameters to The number of formal arguments to the indicated macro exceeded the maximum allowed currently 31 F255 Too much pushback The preprocessor ran out of space while processing a macro expansion The macro may be recursive W256 Undefined directive The identifier following a was not a directive name F257 POS value must be positive A value for POS lt 0 was encountered Negative and 0 values are illegal for a position in a file S257 EOF in include directive End of file was encountered while processing a include directive S258 Unmatched elif A elif directive was encountered with no preceding if or elif directive S259 Unmatched else A else directive was encountered with no preceding if or elif directive S260 Unmatched endif A endif directive was encountered with no preceding if ifdef or ifndef directive S261 Include files nested too deeply
86. N ia 145 9 19 1 Function Level Profiling ii E N T 146 PVF Reference Guide xiii 9 19 24 Line Level Profil iia 146 A O 146 5 15 4 SUppress CFF Information viii A dd ti ds 146 5 15 5 Enable Limited DWAR E iaeaea na aro aaa 146 916 Fortrans RUNTIME cenia A a cei alates 146 9161 Check Array Bounds toda Gnidia wheat ie aes 146 516 2 Check Pole ivi dia Advan anda decidas 147 516 3 Check tacna iia dba arene 147 9104 Command Line sasit pnia aa aa aaa aane eaa e a toni 147 9 17 Fonran Commend lO incoada E TE A 147 Selif Command LiNE ena a aa a nena aiid ae ley 147 9 19 Linket Property Pages iio a 148 9 19 Linker Generalidad tae 148 9191 QUiput Fl artis tna ala ra reo eto iaa ATE 148 5 19 2 Additional Library Directories ccssessesesesseesseeessesseeteseeneeeeseeneeceseeneeseseeneessseeneeessieneeessneaeeessneaseessneneeesans 148 O 19 3 Stak Rosea Linera 149 5 19 4 Stack COMMIT SIZE viciado da er anit rd es 149 919 0 EXPO SYMONS ia 149 9 20 Linker paese toilet di 149 5 20 1 Additional Dependencies cccccccsscececsesesesesesscseecesesesussceeeceatsnsucseeeeeeacsnsacaseceasatsnsacaeeceasansnsaseseceesenseeaeees 149 9 21 Linker Command LING 2 eckeiieianeseeiiea N ENA EA E RRR E 149 5 211 Command Lineni ra a shin A a a aa a a aa 150 9 22 Librarian Property Pages A aaa 150 9 23 Eibrarian A ON 150 9 23 1 QUIPUEE Eidos a ee 150 5 23 2 Additional Library Directories sanae ena a a E A cr 150 5 23 3
87. NT and WRITE statements in device subprograms are only supported when compiling with CUDA Toolkit 4 0 or later Support for PRINT or WRITE statements in CUDA Fortran device subprograms requires CUDA Toolkit 4 0 or later and compute capability 2 0 or higher E530 PRINT and WRITE statements in device subprograms are only supported with compute capability 2 0 or higher Support for PRINT or WRITE statements in CUDA Fortran device subprograms requires CUDA Toolkit 4 0 or later and compute capability 2 0 or higher W531 PGI extension to OpenACC This program is using a PGI extension to OpenACC W532 OpenACC feature not yet implemented This OpenACC feature is not yet implemented This program is using a PGI extension to OpenACC E533 Clause not allowed in directive This clause is not allowed on the specified directive E534 A loop scheduling directive may not appear within a KERNEL loop An accelerator or OpenACC loop directive that specifies a schedule such as PARALLEL VECTOR WORKER or GANG may not appear inside a loop that has an accelerator loop directive with the KERNEL clause This clause is not allowed on the specified directive E535 Undeclared symbol used in directive Symbols used in OpenACC directives must be declared S901 elif after else A preprocessor elif directive was found after a else directive only endif is allowed in this
88. P does not follow the integer value S206 Repeat count is zero S207 Integer constant expected in edit descriptor S208 Period expected in edit descriptor S209 Illegal edit descriptor S210 Exponent width not used in the Ew dEe or Gw dEe edit descriptors S211 Internal I O not allowed in this I O statement 212 Illegal NAMELIST 1 0 Namelist I O cannot be performed with internal unformatted formatted and list directed I O Also I O lists must not be present S213 is not a NAMELIST group name S214 Input item is not a variable reference S215 Assumed sized array name cannot be used as an I O item or specifier An assumed size array was used as an item to be read or written or as an I O specifier i e FMT array name In these contexts the size of the array must be known S216 STRUCTURE UNION cannot be used as an I O item PVF Reference Guide 200 Messages S217 ENCODE DECODE buffer must be a variable array or array element S218 Statement labeled S219 lt reserved message number gt S220 Redefining predefined macro S221 elif after else A preprocessor elif directive was found after a else directive only endif is allowed in this context S222 telse after els A preprocessor else directive was found after a else directive only endif i
89. S OOO 18 ALAT AMAGCHE NON 18 Det AUIt istite an dene ah o ride anes 19 e Pele teagan dee ao 19 Description it e My eed alae dates ll a tale bade ld Cala 19 Related OpllonS a 2h fekan a Boat hee chet e A A oe ke ee koe 19 222 10 flags Gieh wana uhaun anes tiie muni hands Oat A ines alla musa a neh eae 19 Dl ii AA ieee andy avian a anid nnn e a nee aed 19 UE att ccs dd A cin ead dealt AA 19 DeSCriIDUON ashe ana nie ae nie i nee tne poole Aa 19 Related OPIO iii Maneater Medea Mase A Eb 19 DANG eG rae a A E oe eee shite ae aide 19 Deli eae peak ea ead Senn he aa hes oh ened ate enn 19 iii el eat Wee ces as te i ec eee 20 Descriptio sessing inia eeren ai r sri axa aania eu need bute au ua ee a ae EE ai Te aad 20 Related Option Sunse rar a a a en 20 LO lia E E E 20 Dell anat di en nikon det euch doe at aa de e ee ane ethane 20 Use iii is ras da nadine bald E sega cese 20 Description e ll lata 20 Related O e ed 21 22 24 A ON 21 DU E E A a ba 21 Us ei idad lo bd 21 DeSCriPUON ocn lso ii io iio io AGA 21 Related POS ii A a a 22 NI NON 22 DA a a dd 22 MA e e et dto e te Me e 22 PVF Reference Guide iv Desc sca seiceteid attic a aia rade 23 Related Options avidin da AA AA lee aidan aleve en 23 DDD SH RN at ON eRe de ae iN i el late at 23 Delia A do o ia adie 23 US Oia a Ea dai denier ae ait 24 D SGriPtlON tr dl ceri teh eae ade a eee ee Ah eee ee Ai ete 24 Related Options tases shear a a a Gea a is 24 22 2AN ER Sf AORE css cscs etal tec
90. TEGER variables Optimization PVF Reference Guide 31 noopenmp nopgdllmain nosgimp nostdinc nostdlib noJonetrip novintr no pre no prefetch preprocess prof no r8 no r8intrinsics no recursive PVF Reference Guide Command Line Options Reference Description Category When the link step is called don t include the object file that calls the Code Generation Fortran main program When used in combination with the mp option the compiler ignores Miscellaneous OpenMP parallelization directives but still processes SGl style parallelization directives Do not link the module containing the default DllMain into the DLL When used in combination with the mp option the compiler ignores Miscellaneous SGl style parallelization directives but still processes OpenMP directives Instructs the compiler to not search the standard location for include Environment files To set this option in PVF use the Fortran Preprocessor Ignore Standard Include Path property Instructs the linker to not link in the standard libraries Determines whether each DO loop executes at least once Disable idiom recognition and generation of calls to optimized vector Optimization functions Read a pgfi out trace file and use the information to enable or guide Optimization optimizations Force disable generation of non temporal moves and prefetching Code Generation Enable disable generation
91. The parenthetical expression of an arithmetic if statement must be an integer real or double precision scalar expression F s103 Type conversion of subscript expression for The data type of a subscript expression must be integer If it is not it is converted 104 Illegal control structure This message is issued for a number of errors involving IF THEN statements DO loops and directives You may see one of the following messages PGF90 S 0104 Illegal control structure unterminated PARALLEL directive PGF90 S 0104 Illegal control structure unterminated block IF If the line number specified is the last line END statement of the subprogram the error is probably an unterminated DO loop or IF THEN statement If the message contains unterminated PARALLEL directive it is likely you are missing the required Somp end parallel directive S105 Unmatched ELSEIF ELSE or ENDIF statement An ELSEIF ELSE or ENDIF statement cannot be matched with a preceding IF THEN statement S106 DO index variable must be a scalar variable The DO index variable cannot be an array name a subscripted variable a PARAMETER name a function name a structure name etc S107 Illegal assigned goto variable 108 Illegal variable in NAMELIST group A NAMELIST group can only consist of arrays and sc
92. a Unified Binary Different processors have differences some subtle in hardware features such as instruction sets and cache size The compilers make architecture specific decisions about such things as instruction selection instruction scheduling and vectorization Any of these decisions can have significant effects on performance and compatibility PGI unified binaries provide a low overhead means for a single program to run well on a number of hardware platforms You can use the tp option to produce PGI Unified Binary programs The compilers generate and combine into one executable multiple binary code streams each optimized for a specific platform At runtime this one executable senses the environment and dynamically selects the appropriate code stream The target processor switch tp accepts a comma separated list of 64 bit targets and will generate code optimized for each listed target For example the following switch generates optimized code for three targets k8 64 p7 64 and core2 64 Syntax for optimizing for multiple targets tp k8 64 p7 64 core2 64 The tp k8 64 and tp k8 64e options result in generation of code supported on and optimized for AMD x64 processors while the tp p7 64 option results in generation of code that is supported on and optimized for Intel x64 processors Performance of k8 64 or k8 64e code executed on Intel x64 processors or of p7 64 code executed on AMD x64 processors can often be significantl
93. able and the function in which the use occurred are listed The line number if specified is the line number of the basic block containing the use of the variable W280 Syntax error in directive Messages 280 300 reserved for directives handling W281 Directive ignored S300 Too few data constants in initialization of derived type S301 must be TEMPLATE or PROCESSOR PVF Reference Guide 204 Messages S302 Unmatched ENDS statement S303 END statement for required in an interface block S304 EXIT CYCLE statement must appear in a DO DOWHILE loop S305 cannot be named S306 names more than one construct S307 must have the construct name T S308 DO may not terminate at an EXIT CYCLE or arithmetic IF ETURN STOP GOTO S309 Incorrect name specified in END statement S310 Generic message for MODULE errors 1311 Non replicated mapping for array ignored 1312 Array should be declared SEQUENCE 73313 Subprogram called within INDEPENDENT loop not PURE E314 IPA actual argument is a label but dummy argument is not an asterisk The call passes a label to the subprogram the corresponding dummy argument in the subprogram should be an asterisk to declare this as the alternate return 315 IPA routine constant dummy
94. able which has an alignment not optimal for variables of its data type This can occur when INTEGER and CHARACTER data are equivalenced for instance 1063 Gap in common block before S064 Illegal use of in DATA statement implied DO loop The indicated variable is referenced where it is not an active implied DO index variable S065 Repeat factor less than zero S066 Too few data constants in initialization statement S067 Too many data constants in initialization statement S068 Numeric initializer for CHARACTER out of range 0 through 255 PVF Reference Guide 191 Messages A CHARACTER 1 variable or character array element can be initialized to an integer octal or hexadecimal constant if that constant is in the range O through 255 S069 Illegal implied DO expression The only operations allowed within an implied DO expression are integer and S070 Incorrect sequence of statements The statement order is incorrect For instance an IMPLICIT NONE statement must precede a specification statement which in turn must precede an executable statement S071 Executable statements not allowed in block data S072 Assignment operation illegal to The destination of an assignment operation must be a variable array reference or vector reference The assignment operation may be by way of an assignment statement a data statement or the index variable of an implied DO loop
95. act GlobalFindAtom GlobalFlags GlobalGetAtomName GlobalLock GlobalMemoryStatusEx GlobalSize GlobalUnlock GlobalWire HeapCompact HeapDestroy HeapLock HeapReAlloc HeapSize HeapValidate InitAtomTable InitializeCriticalSectionAndSpinCount InterlockedCompareExchange InterlockedDecrement InterlockedExchangeAdd InterlockedIncrement InterlockedPushEntrySList IsBadHugeReadPtr IsBadReadPtr IsBadWritePtr IsProcessInJob IsSystemResumeAutomatic LoadLibrary LoadModule LocalAlloc LocalFileTimeToFileTime LocalFree LocalLock PVF Reference Guide Fortran Module Library Interfaces for Windows GetQueuedCompletionStatus GetVolumeNameForVolumeMountPoint GetVolumePathNamesForVolumeName GetWriteWatch GlobalAlloc GlobalDeleteAtom GlobalFix GlobalFree GlobalHandle GlobalMemoryStatus GlobalReAlloc GlobalUnfix GlobalUnWire HeapAlloc HeapCreate HeapFree HeapQueryInformation HeapSetlnformation HeapUnlock HeapWalk InitializeCriticalSection InitializeSListHead InterlockedCompareExchange64 InterlockedExchange InterlockedFlushSList InterlockedPopEntrySList IsBadCodePtr IsBadHugeWritePtr IsBadStringPtr IsDebuggerPresent IsProcessorFeaturePresent LeaveCriticalSection LoadLibraryEx LoadResource LocalCompact LocalFlags LocalHandle LocalReAlloc 175 LocalShrink LocalUnlock LockFileEx Istrcat Istrempi Istrcpyn MapUserPhysicalPages MapViewOfFile MoveFile MoveFileWithProgress NeedCurrentDirectory
96. ahiti architecture Setting this property to Yes adds the ta radeon tahiti switch to the PVF compilation and link lines 5 13 26 Radeon Hawaii When Target AMD Radeon is set to Yes use this property to compile for Radeon Hawaii architecture Setting this property to Yes adds the ta radeon hawaii switch to the PVF compilation and link lines 5 13 27 Radeon Buffer Count When Target AMD Radeon is set to Yes use this property to specify the maximum number of device buffers used by an OpenCL kernel Setting this property to Yes adds the ta radeon buffercount n switch where n is the number you have entered for this property to the PVF compilation and link lines 5 13 28 Radeon Keep When Target AMD Radeon is set to Yes use this property to keep kernel source files Setting this property to Yes adds the ta radeon keep switch to the PVF compilation and link lines 5 13 29 Radeon LLVM When Target AMD Radeon is set to Yes use this property to use LLVM back end Setting this property to Yes adds the ta radeon 11vm switch to the PVF compilation and link lines 5 13 30 Radeon Unroll When AMD Radeon is set to Yes use this property to control automatic inner loop unrolling PVF Reference Guide 142 PVF Properties gt Default Allows the compiler to control automatic inner loop unrolling This select adds no additional sub options to ta radeon gt Yes Enables automatic inner loop unrolling by adding th
97. al Include Directories dialog box PVF Reference Guide 117 PVF Properties Enter each directory on its own line in this box Do not use semi colons to separate directories the semi colons are added automatically when the box is closed gt This property is also available from the Fortran Preprocessing Property page 5 4 3 Module Path Use this property to specify the location of module mod files For every directory that is added to this property PVF adds module lt dir gt to the compilation line causing the compiler to search each listed directory for modules during compilation The first directory in the list is also the module output directory which is where PVF puts all module files created when the project is built There are two ways to add directories to this property gt Type the information directly into the property page box Use a semi colon to separate each path gt Click the ellipsis button in the property page box to open the Module Path dialog box Enter each directory on its own line in this box Do not use semi colons to separate entries the semi colons are added automatically when the box is closed 5 4 4 Object File Name Use of this property depends on whether it is being applied to a file or a project gt File level Use this property to set the name of the object file Setting the name adds the o switch to the compilation line For more information on o refer
98. alars 109 Overflow in constant constant truncated at left PVF Reference Guide 194 Messages A non decimal hexadecimal octal or binary constant requiring more than 64 bits produces an overflow The constant is truncated at left e g 1234567890abcdef1 x will be 234567890abcdef1 x 10 lt reserved message number gt 11 Underflow of real or double precision constant EJ 12 Over ow of real or double precision constant S113 Label is referenced but never defined S114 Cannot initialize W115 Assignment to DO variable in loop S116 Illegal use of pointer based variable F S117 Statement not allowed within a definition The statement may not appear in a STRUCTURE or derived type definition s118 Statement not allowed in DO IF or WHERE block E 19 Redundant specification for Data type of indicated symbol specified more than once 120 Label is defined but never referenced 121 Operation requires logical or integer data types An operation in an expression was attempted on data having a data type incompatible with the operation For example a logical expression can consist of only logical elements of type integer or logical Real data would be invalid 1122 Character string truncated Character string or Hollerith constant appearing in a DATA statement or PAR
99. alent to ProjectName InputPath The full path name of the input file If the project is the input then this macro is equivalent to ProjectPath PVF Reference Guide 155 Macro Name IntDir OpenToolsDir OutDir OutputPath OutputType PGITools32Dir PGIToolsDir Platform PlatformArchitecture PlatformName PlatformShortName PVF Build Macros Description The path to the directory for intermediate files relative to the project directory as set by the Intermediate Directory property PVF only The location of the Open Tools installation directory including files needed for building Microsoft Windows applications for both 32 bit and 64 bit environments The path to the directory for output files relative to the project directory as set by the Output Directory property The path to the directory for output files relative to the project directory as set by the Output Directory property The type of the current project output one of the following exe staticlibrary library PVF only The location of the active PGI toolset for 32 bit targets This directory is the parent of bin Lib and include directories containing executables libraries and include files for the PGI development environment PVF only The location of the active PGI toolset for 64 bit targets This directory is the parent of bin 1ib and include directories containing e
100. allowed forms S052 Illegal argument to SVAL or LOC PVF Reference Guide 190 Messages S053 SREF or VAL not legal in this context The built in functions REF and VAL can only be used as actual parameters in procedure calls W054 Implicit character used in a previous implicit statement An implicit character has been given an implied data type more than once The implied data type for the implicit character is changed anyway W055 Multiple implicit none statements The IMPLICIT NONE statement can occur only once in a subprogram W056 Implicit type declaration The Mdclchk switch and an implicit declaration following an IMPLICIT NONE statement will produce a warning message for IMPLICIT statements S057 Illegal equivalence of dummy variable Dummy arguments may not appear in EQUIVALENCE statements S058 Equivalenced variables and not in same common block A common block variable must not be equivalenced with a variable in another common block S059 Conflicting equivalence between and The indicated equivalence implies a storage layout inconsistent with other equivalences S060 Illegal equivalence of structure variable STRUCTURE and UNION variables may not appear in EQUIVALENCE statements S061 Equivalence of and extends common block backwards W062 Equivalence forces to be unaligned EQUIVALENCE statements have defined an address for the vari
101. alue of DRIVER or a full pathname beginning with Filename is the driver configuration file Default The driver uses the configuration file pgirc Usage In the following example the file pgfortranrctest relative to usr pgi linux86 bin the value of SDRIVER is the driver configuration file S pgfortran rc pgfortranrctest myprog f Description Use this option to specify the name of the driver startup configuration file If the file or pathname supplied is not a full pathname the path for the configuration file loaded is relative to the DRIVER path the path of the currently executing driver If a full pathname is supplied that file 1s used for the driver configuration file Related options show 2 2 45 S Stops compilation after the compiling phase and writes the assembly language output to a file PVF Reference Guide 43 Command Line Options Reference Default The compiler does not produce a sfile Usage In this example pgfortran produces the filenyprog sin the current directory SBodtoreranmaommnym ico ome Description Use this option to stop compilation after the compiling phase and then write the assembly language output to a file If the input file isfi lename f then the output file isfilename s Related options E F Mkeepasm o 2 2 46 show Produces driver help information describing the current driver configuration Default The compiler does not show driver hel
102. an identifier W235 Illegal macro name A macro name was not an identifier S236 Illegal number The indicated number contained a syntax error F237 Line too long The input source line length exceeded the maximum allowed currently 2048 W238 Missing endif End of file was encountered before a required endif directive was found W239 Missing argument list for A call of the indicated macro had no argument list S240 Number too long The length of a number exceeded the maximum allowed currently 2048 W241 Redefinition of symbol The indicated macro name was redefined 1242 Redundant definition for symbol A definition for the indicated macro name was found that was the same as a previous definition F243 String too long The length of a quoted string exceeded the maximum allowed currently 2048 S244 Syntax error in define formal not identifier A formal parameter that was not an identifier was used in a macro definition W245 Syntax error in define missing blank after name or arglist There was no space or tab between a macro name or argument list and the macro s definition S246 Syntax error in if A syntax error was found while parsing the expression following a if or elif directive S247 Syntax error in include The include directive was not correctly formed W248 Syntax error in line A line directive was not correctly formed PVF Reference Guide 202
103. an or equal to n If n is omitted or n is 1 the compiler determines a suitable value of n for each loop PVF Reference Guide 85 Directives Reference cpgi noaltcode Sets the loop count thresholds for parallelization of all innermost loops to 0 and disables alternate code generation for vectorized loops 3 1 2 assoc noassoc This directive toggles the effects of the Mvect noassoc command line option an optimization M control Scope This directive affects the compiler only when Mvect sse is enabled on the command line By default when scalar reductions are present the vectorizer may change the order of operations such as dot product so that it can generate better code Such transformations may change the result of the computation due to roundoff error The noassoc directive disables these transformations 3 1 3 bounds nobounds This directive alters the effects of the Mbounds command line option This directive enables the checking of array bounds when subscripted array references are performed By default array bounds checking is not performed 3 1 4 cncall nocncall This directive indicates that loops within the specified scope are considered for parallelization even if they contain calls to user defined subroutines or functions A nocncall directive cancels the effect of a previous cncall 3 1 5 concur noconcur This directive alters the effects of the Mconcur command line option The directive instr
104. appear in the definition but may not occupy contiguous locations gt A union is a single location that can contain any of a specified set of scalar or aggregate data types A union can have only one value at a time The data type of the union member to which data is assigned determines the data type of the union after that assignment The alignment of an array a structure or union an aggregate affects how much space the object occupies and how efficiently the processor can address members Arrays use the alignment of their members Array types align according to the alignment of the array elements For example an array of INTEGER 2 data aligns on a 2 byte boundary Structures and Unions align according to the alignment of the most restricted data type of the structure or union In the next example the union aligns on a 4 byte boundary since the alignment of c the most restrictive element is four STRUCTURE astr INTEGER 2 a 2 bytes END MAP bp 1 byte MAP ra TEGER 4 c 4 bytes D MAP UNION DI STRUCTURE Y N A N N D I N N E E Structure alignment can result in unused space called padding Padding between members of the structure is called internal padding Padding between the last member and the end of the space is called tail padding The offset of a structure member from the beginning of the structure is a multiple of the member s alignment For examp
105. arations are the same ones performed on the name when ALIAS is not specified The syntax for the DECORATE directive is this DECS DECORATE cy When ALIAS is not specified this directive has no effect 3 4 4 DISTRIBUTE Directive This directive is front end based and tells the compiler at what point within a loop to split into two loops The syntax for the DISTRIBUTE directive is either of the following IDEC DISTRIBUTE POINT DECS DISTRIBUTEPOINT Example subroutine dist a b n integer i integer n integer a integer b dows Lom a i a 1 2 IDECS DISTRIBUTE POINT b i b i 4 enddo end subroutine PVF Reference Guide 93 Chapter 4 RUN TIME ENVIRONMENT This section describes the programming model supported for compiler code generation including register conventions and calling conventions for x86 and x64 processor based systems running a Windows operating system In this section we sometimes refer to word halfword and double word The equivalent byte information is word 4 byte halfword 2 byte and double word 8 byte 4 1 Win32 Programming Model This section defines compiler and assembly language conventions for the use of certain aspects of an x86 processor running a Win32 operating system These standards must be followed to guarantee that compilers application programs and operating systems written by different people and organizations will work together The convention
106. are declared concur Enable auto concurrentization of loops Multiple processors or cores Optimization will be used to execute parallelizable loops cpp Run the PGI cpp like preprocessor without performing subsequent Miscellaneous compilation steps Force Cray Fortran CF77 compatibility Determines whether all program variables must be declared no defaultunit Determines how the asterisk character is treated in relation to Fortran Language standard input and standard output regardless of the status of I O units 5 and 6 no depchk Checks for potential data dependencies Optimization no dse Enables disables dead store elimination phase for programs Optimization making extensive use of function inlining no dlines Determines whether the compiler treats lines containing the letter Fortran Language D in column one as executable statements dollar char Specifies the character to which the compiler maps the dollar sign Fortran Language code Specifies not to add DWARF debug information extend Instructs the compiler to accept 132 column source code otherwise Fortran Language it accepts 72 column code no f option Perform certain floating point intrinsic functions using relaxed Optimization precision fixed Instructs the compiler to assume F77 style fixed format source code Fortran Language pgf95 pgfortran only PVF Reference Guide 30 Command Line Options Reference pgflag Description Category Pr
107. arguments This many dummy arguments are being replaced by constants due to interprocedural analysis 316 IPA routine INTENT IN dummy arguments This many dummy arguments are being marked as INTENT IN due to interprocedural analysis 317 IPA routine array alignments propagated This many array alignments were propagated by interprocedural analysis 318 IPA routine distribution formats propagated This many array distribution formats were propagated by interprocedural analysis 319 IPA routine distribution targets propagated This many array distribution targets were propagated by interprocedural analysis 320 IPA routine common blocks optimized This many mapped common blocks were optimized by interprocedural analysis PVF Reference Guide 205 321 PA routine Messages common blocks not optimized This many mapped common blocks were not optimized by interprocedural analysis either because they were declared differently in different routines or they did not appear in the main program 322 PA analyzing main program Interprocedural analysis is building the call graph and propagating information with the named main program 323 PA collecting information for Interprocedural analysis is saving information for the current subpro
108. aries implies Mipa inline The default is nolibinline no libopt allow recompiling and optimization of routines from libraries using IPA information The default is nolibopt no localarg equivalent to arg plus externalization of local pointer targets The default is nolocalarg main lt func gt specify a function to appear as a global entry point May appear multiple times and it disables linking reaggregation Enables IPA guided structure reaggregation which automatically attempts to reorder elements in a struct or to split structs into substructs to improve memory locality and cache utilization rsqrt Perform reciprocal square root 1 sqrt using relaxed precision no pfo enable profile feedback information The nopfo option is valid only immediately following the inline suboption Mipa inline nopfo tells IPA to ignore PFO information when deciding what functions to inline if PFO information is available no ptr enable pointer disambiguation across procedure calls The default is noptr no pure pure function detection The default is nopure required return an error condition if IPA is inhibited for any reason rather than the default behavior of linking without IPA optimization no reshape enable disable Fortran inline with mismatched array shapes Valid only immediately following the inline suboption PVF Reference Guide 72 Command Line Options Reference safe lt function gt lt library gt declares that the named
109. associated with the specified stream Returns 0 if successful 1 otherwise fstat INTEGER 4 Returns file status information about the referenced open file or shared memory object fstat64 INTEGER 4 Returns information in a 64 bit structure about the referenced open file or shared memory object ftell INTEGER 4 Returns the current value of the file pointer associated with the specified stream ftell64 INTEGER 8 Returns the current value of the file pointer associated with the specified stream STRING Writes system error messages getarg STRING Returns the list of parameters that were passed to the current process when it was started INTEGER 4 Retrieves the character at the front of the specified character list or 1 if empty sco __ ECN getlog STRING Stores the user s login name in NAME If the login name is not found then NAME is filled with blanks getpid INTEGER 4 Returns the process numerical identifier of the current process INTEGER 4 Returns the numerical user ID of the current process gmtime INTEGER 4 Converts and returns the date and time formats to GM Greenwich time as month day and so on iargc INTEGER 4 Returns an integer representing the number of arguments for the last program entered on the command line INTEGER 4 Returns the date in numerical form day month year INTEGER 4 Returns the system error number for the last error INTEGER 4 Returns the maximum positive integer value ioinit None Establishes
110. atation of GPU line information This selection adds no additional sub options to Mcuda gt Yes Enables generatation of GPU line information by adding the Mcuda lineinfo switch to the PVF compilation and link lines gt No Disables generatation of GPU line information by adding the Mcuda nolineinfo switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls 5 8 19 CUDA Fortran Use LLVM Back End When Enable CUDA Fortran is set to Yes use this property to control using LLVM back end gt Default Allows the compiler to control using LLVM back end This selection adds no additional sub options to Mcuda gt Yes Use LLVM back end by adding the Mcuda 11vm switch to the PVF compilation and link lines gt No Use CUDA C back end by adding the Mcuda nol1vm switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls PVF Reference Guide 127 PVF Properties 5 8 20 CUDA Fortran Unroll When Enable CUDA Fortran is set to Yes use this property to control automatic inner loop unrolling gt Default Allows the compiler to control automatic inner loop unrolling This selection adds no additional sub options to Mcuda gt Yes Enables automatic inner loop unrolling by adding the Mcuda unro11 switch to the PVF compilation and link lines gt No Disables automatic inner loop unrolling by adding the Mcuda nou
111. ate cutoff length and generates serial code to be executed whenever the loop count is less than or equal to that length gt If altcode n is specified the serial altcode is executed whenever the loop count is less than or equal to n gt If noaltcode is specified the parallelized version of the loop is always executed regardless of the loop count bind Instructs the parallelizer to bind threads to cores Use this option at link time encall Indicates that calls in parallel loops are safe to parallelize Loops containing calls are candidates for parallelization Also no minimum loop count threshold must be satisfied before parallelization will occur and last values of scalars are assumed to be safe dist block Instructs the parallelizer to parallelize with block distribution which is the default Contiguous blocks of iterations of a parallelizable loop are assigned to the available processors dist cyclic Instructs the parallelizer to parallelize with cyclic distribution The outermost parallelizable loop in any loop nest is parallelized If a parallelized loop is innermost its iterations are allocated to processors cyclically For example if there are 3 processors executing a loop processor O performs iterations 0 3 6 etc processor 1 performs iterations 1 4 7 etc and processor 2 performs iterations 2 5 8 etc noJinnermost Instructs the parallelizer to enable parallelization of innermost loops The default is
112. ate ace arar alisado dea T ET 160 CIDE Odia ro e wired peta eres eat avert ero e ANTAS 161 GA Using Me DEWIN Module cursi dt 165 7 5 Supported Libraries and MOUIES cccccceceesesecsescceesesessesescesesesucseeeeseaesnsaceeeceaeacsusaceeeseetensuseeeteesanenseceeeeeteneees 166 PON AN 166 Liz COMA iia 168 LOA EE 168 C54 MA os 168 EE o E O E O N 168 A A NN OO 171 AAA e O ania nie ania ieee ana nan en navy 178 sO MIS CM Lt ES ENE A A AE AEEA N EN AS 179 A ense a e a a e deve ava peta dea ens 183 LO T eE Il ina 183 Chapter Mess a 185 BA DiagMmOstic MESSAGES iii A actin A E ee oe eae to ea 185 8 2 Phase Invocation Message coo a ose Gade dt ane ord nn dard ade 186 68 3 Fortran Compiler Error Messages iii da AE 186 8 31 Message Eos A A AA AA 186 00 2 Message Listin ini R A Genuine 186 8 4 Fortram Run time Error Messages ossosa cart cie ara 225 6 41 Message Formats w csiw ie eal lee a A a ee ee 225 8 4 2 Message ILISL ccosa 225 Chapter dc A a jaavsatssaassneasvatscouaavenavees 228 PVF Reference Guide XV Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 LIST OF TABLES PGI Compilers and Commands s cccessecessssesesesseeeseesesesecsesceaescseneaeeseaesesesseeeeseaesneasseeeeeassesasa
113. ates an alternate serial loop to be executed if the loop count is less than or equal to n If n is omitted or n is 0 the compiler determines a suitable value of n for each loop cpgi altcode n concurreduction Sets the loop count threshold for parallelization of reduction loops to n For each auto parallelized reduction loop generate an alternate serial loop to be executed if the loop count is less than or equal to n If n is omitted or n is O the compiler determines a suitable value of n for each loop cpgi altcode n nontemporal For a vectorized loop if possible generates an alternate vectorized loop containing non temporal stores and other cache optimizations to be executed if the loop count is greater than n If n is omitted or n is 1 the compiler determines a suitable value of n for each loop The alternate code is optimized for the case when the data referenced in the loop does not all fit in level 2 cache cpgi altcode n nopeel For a vectorized loop where iteration peeling is performed by default if possible generates an alternate vectorized loop without iteration peeling to be executed if the loop count is less than or equal to n If n is omitted or n is 1 the compiler determines a suitable value of n for each loop and in some cases it may decide not to generate an alternate unpeeled loop cpgi altcode n vector For each vectorized loop generates an alternate scalar loop to be executed if the loop count is less th
114. ath Library ooononicicinicnicioncnoncncrccc crecer 127 9 90 11 CUDA Fortran Debug cion dde ned diane diia 127 5 8 18 CUDA Fortran Line Information suso tania irte pia veia alee 127 5 8 19 CUDA Fortran Use LLVM Back End c cccccccessssesecesesessceesceeesesusseeeeeeacsnsaceceeeasacsnsaseeeseasanssaseeeeeenenseeaeees 127 5 89 20 CUDA Era li i 128 9 8 21 CUDA Fortran Fl sh tO Zero cit ii tia citaba O 128 5 38 22 GUDA Fortran 1OOlKite iii AS 128 9 98 23 CUDA Fortran Compute Capability z syts sorsien a a a a eae aad 129 9 98 24 CUDA Fortran Fermis irene ori nne E a a rE a A i bli lia ea 129 5 8 25 CUDA Fortran Fermita o ennaa eaa ara une a a Ea 129 5 8 20 CUDA Fortran li a nat 129 0 89 27 CUDA Fortran Kepler t cata aaa 130 58 28 CUDA Fortran Keep BINI ii ico 130 PVF Reference Guide xi 5 8 29 CUDA Fortran Keep Kernel SOUrCE c cecccccccceeesecseseeessesessceescesesnsecaceeseeansnsecaeeeeaeacenseceteceasenseseseeeeeetanees 130 5 93 30 CUDA Fortran Keep Picota da ine 130 5 6 31 CUDA Fortran Keep PTXAS ivan iia Et decis 130 5 8 32 CUDA Fortran Generate RDC eeeceeseeseeseeseseesneseeesseseeeessseeeessneseeesseeseeessneseeessneseeessneneeessneaeeessneneessens 130 5 36 33 GUDA Fortran Emulation viii a pots 131 5 6 34 CUDA Fortran Madconstiisive serve rara di dad 131 5 9 Fortran Floating Point Options ceseeesseseseesseseesseseeesseseessseeeesseeeeesseeseeesseeseesseeseessnsneeessneaeeess
115. ation for viewing using the pgicg command line utility The default is nocg no const perform interprocedural constant propagation The default is const except lt func gt used with inline to specify functions which should not be inlined The default is to inline all eligible functions according to internally defined heuristics Valid only immediately following the inline suboption no f90ptr F90 F95 pointer disambiguation across calls The default is nof90ptr fast choose IPA options generally optimal for the target To see settings for Mi pa fast ona given target use help force force all objects to re compile regardless of whether IPA information has changed PVF Reference Guide 71 Command Line Options Reference no globals optimize references to global variables The default is noglobals inline n perform automatic function inlining If the optional n is provided limit inlining to at most n levels IPA based function inlining is performed from leaf routines upward ipofile save IPA information in an ipo file rather than incorporating it into the object file jobs n recompile n jobs in parallel and print source file names as they are compiled no keepobj keep the optimized object files using file name mangling to reduce re compile time in subsequent builds The default is keepobj no libe optimize calls to certain standard C library routines The default is nolibc no libinline allow inlining of routines from libr
116. bS raver NON 42 Delicia A dnl ea aii das Gian ea anand aed 42 SAG ghee E EA lA UE EA he eed ie a de de aided E ded tate eed eal i de ae tt 42 DESC eh tien a iis Gin aaa o A aidan tena aren ulna niche 42 Related 0ptionS iii Aten tate eaten anid anise bd 42 2243 AA ANd Mt A A Aiea bn Ate eae alah lees 42 Ue ui doiecen Soe a bdo a 42 DVOSCIIDUON agos attest ate id an a ts atts 43 Related OptlOnSicracen ccervs ort ch eavnnea a A A ato 43 iD Ad a o 43 Mota oa ad a dl dl eta cota leonel de coded aloes 43 DA a e dd dd 43 Us cia arc o train triana 43 Desc lee lnea la oline edad 43 Related MS iii ear 43 DO A ao 43 Dell A EA A A ba 44 Us iia dat 44 Descriptor A a e e 44 Related ll Sao oi 44 LLAMO Wii ii A A AAA AAA A dean E A E 44 DA A NA a Tete CETTE ENTE TS eA TOPE 44 Sage iis do Ad adi NAS 44 DESC aie eule Bnei ian dt wie enh te 44 Related Options v2 ses os Saas Sahat Ga eee eee Rat an e Ae hi ad ee ee ed eee 44 2A Ts SIMs A 44 Delos ween 44 A 45 Descriptio ci inn tea 45 Related Option Siac oi iia 45 2248 O NA 45 Del anar o danita tia ria odia 45 Md ll nde dol o 45 USAC sie NN NN 45 DESC oo ri ii dna ndutd aewaneann mens 45 Related POS cit De A A eae de bee 46 2 2 49 ta tesla tesla_suboptions radeon radeon_Suboptions NOSt ceesseecsseeeesesneeessesneeeeseeneeteateneeteateneeteneey 46 Delicia ii iia 46 O 46 Desc iii to o 47 Multiple Targets coca cada tada dada dada 48 Relocatable Device Code cc
117. been defined to be something other than a variable or array W041 Illegal use of dummy argument This error can occur in several situations It can occur if dummy arguments were specified on a PROGRAM statement It can also occur if a dummy argument name occurs in a DATA COMMON SAVE or EQUIVALENCE statement A program statement must have an empty argument list PVF Reference Guide 189 Messages S042 is a duplicate dummy argument S043 Illegal attempt to redefine An attempt was made to define a symbol in a manner inconsistent with an earlier definition of the same symbol This can happen for a number of reasons The message attempts to indicate the situation that occurred intrinsic An attempt was made to redefine an intrinsic function A symbol that represents an intrinsic function may be redefined if that symbol has not been previously verified to be an intrinsic function For example the intrinsic sin can be defined to be an integer array If a symbol is verified to be an intrinsic function via the INTRINSIC statement or via an intrinsic function reference then it must be referred to as an intrinsic function for the remainder of the program unit symbol An attempt was made to redefine a symbol that was previously defined An example of this is to declare a symbol to be a PARAMETER which was previously declared to be a subprogram argument S044 Multiple declaration for symbol A redundant declaration
118. bjin the current directory pgfortran c myprog f Description Use the c option to halt the compilation process after the assembling phase and write the object code to a file If the input file isfilename f the output file is PVF Reference Guide 14 Command Line Options Reference Related options E Mkeepasm o S 2 2 10 D Creates a preprocessor macro with a given value You can use the D option more than once on a compiler command line The number of active macro definitions is limited only by available memory Syntax Dname value Where name is the symbolic name and value is either an integer value or a character string Default If you define a macro name without specifying a value the preprocessor assigns the string 1 to the macro name Usage In the following example the macro PATHLENGTH has the value 256 until a subsequent compilation If the D option is not used PATHLENGTH is set to 128 pgfortran DPATHLENGTH 256 myprog F The source text inmyprog Fis this ifndef PATHLENGTH define PATHLENGTH 128 endif SUBROUTINE SUB CHARACTER PATHLENGTH path END Description Use the D option to create a preprocessor macro with a given value The value must be either an integer or a character string You can use macros with conditional compilation to select source text during preprocessing A macro defined in the compiler invocation remains in effect for each mo
119. bprograms cannot refer to external module or COMMON data and cannot save state in a SAVEd variable E510 Only assignment statements are allowed in a WHERE construct A WHERE construct is the WHERE statement and all the statements until the matching ENDWHERE The body of the WHERE construct can only contain assignment statements E511 The WHERE mask expression and the array assignment do not conform The assignment under control of a WHERE mask must have the same shape as the WHERE mask E512 The WHERE mask is not an array expression The WHERE mask expression must be a logical array expression E513 The alignment or distribution target may not be a private variable This is a HPF_CRAFT restriction E514 The alignment extends beyond the bounds of the template When aligning to a template the entire array must align to template elements that lie within the bounds of the template E515 Static variable aligned with allocatable symbol A nonallocatable symbol cannot be aligned to an allocatable symbol m E516 PURE subprograms may not have distributed variables Distributed arrays are not allowed in PURE subprograms E517 Variables in HPF LOCAL subprograms may not be distributed Distributed arrays are not allowed in HPF_LOCAL subprograms PVF Reference Guide 219 Messages W518 Function result could
120. by your path to compile Usage The following command line shows the output using the Voption pgfortran V myprog f The following command line causes pgcc to compile using the 5 2 release instead of the default release Des AVSa2 MADERO E Description Use this option to display additional information including version messages or if a release_number is appended to instruct the compiler driver to attempt to compile using the specified release instead of the default release The specified release must be co installed with the default release and must have a release number greater than or equal to 4 1 which was the first release that supported this functionality To set this option in PVF use the Fortran General Display Startup Banner property described in Display Startup Banner Related options Minfo option option v 2 2 56 V Displays the invocations of the compiler assembler and linker Default The compiler does not display individual phase invocations PVF Reference Guide 55 Command Line Options Reference Usage In the following example you use v to see the commands sent to compiler tools assembler and linker S pgfortran v myprog f90 Description Use the v option to display the invocations of the compiler assembler and linker These invocations are command lines created by the compiler driver from the files and the W options you specify on the compiler co
121. cc gt Yes Enables wait for each device kernel to finish by adding acc wait switch to the PVF compilation and link lines gt No Disables wait for each device kernel to finish by adding acc nowait switch to the PVF compilation and link lines 5 8 10 OpenACC Conformance Level When Enable OpenACC Directives is set to Yes use this property to leverage the compiler s detection of extensions to standard OpenACC directives gt Default When non OpenACC accelerator directives are found they are ignored gt Strict Add acc strict to the PVF compilation and link lines The compiler emits a warning when a non OpenACC accelerator directive is found gt Very Strict Add acc strict to the PVF compilation and link lines The compiler stops with an error when a non OpenACC accelerator directive is found 5 8 11 OpenACC Sync When Enable OpenACC Directives is set to Yes use this property to ignore async clauses Setting this property to Yes adds the acc sync switch to the PVF compilation and link lines 5 8 12 MPI Use this property to enable compilation and linking using the Microsoft MPI headers and libraries Setting this property to Microsoft MPI adds the Mmpi msmpi switch to the PVF compilation and link lines 5 8 13 Enable CUDA Fortran Use this property to enable CUDA Fortran Setting this property to Yes adds the Mcuda switch to the PVF compilation and link lines and activates access to these additiona
122. ces vector SSE code when targeting a 64 bit machine pgfortran fast vadd f95 Description When you use this option a generally optimal set of options is chosen for targets that support SSE capability In addition the appropriate t poption is automatically included to enable generation of code optimized for the type of system on which compilation is performed This option enables vectorization with SSE instructions cache alignment and flushz Auto selection of the appropriate t poption means that programs built using the fa st s s eoption on a given system are not necessarily backward compatible with older systems C C compilers enable Mautoinlinewith fast To set this option in PVF use the Fortran General Optimization property described in Optimization Related options O lt level gt Munroll option option Mnoframe Mscalarsse M no vect option option Mcache_align tp lt target gt target M noJautoinline option option 2 2 16 fastsse Synonymous with fast 2 2 17 flagcheck Causes the compiler to check that flags are correct and then exit without any compilation occuring PVF Reference Guide 18 Command Line Options Reference Default The compiler begins a compile without the additional step to first validate that flags are correct Usage In the following example the compiler checks that flags are correct and then exits pgfortran
123. cos atan2 cos cosh exp log log10 sin sinh sqrt tan tanh You can also use 1ibm routines in CUDA Fortran global and device subprograms in CUF kernels and in OpenACC compute regions When targeting NVIDIA devices the 1ibm routines translate to the corresponding 1ibm device routine Table 28 LIBM Functions PVF Reference Guide 160 Fortran Module Library Interfaces for Windows COS CCAA IN 1 d 0 DEPORT Table 29 lists the functions that DFPORT includes In the table Generic refers to a generic routine To view the prototype and interfaces look in the location described in Source Files Table 29 DFPORT Functions Routine Result Description abort None Immediately terminates the program If the operating system supports a core dump abort produces one that can be used for debugging INTEGER 4 Determines access mode or existence of a file INTEGER 4 Executes a routine after a specified time besj0 REAL 4 Computes the BESSEL function of the first kind of order 0 of X where X is real besj1 REAL 4 Computes the BESSEL function of the first kind of order 1 of X where X is real REAL 4 Computes the BESSEL function of the first kind of order N of X where N is an integer and X is real besy0 REAL 4 Computes the BESSEL function of the second kind of order 0 of X where X is real besy1 REAL 4 Computes the BESSEL function of the second kind of order 1 of X where X is real besyn REAL 4 Computes the BESSEL function of the sec
124. count is set to 4 m lt n gt instructs the compiler to unroll multi block loops n times This option is useful for loops that have conditional statements If n is not supplied then the default value is 4 The default setting is not to enable Munroll m n lt n gt instructs the compiler to unroll single block loops n times a loop that is not completely unrolled or has a non constant loop count If n is not supplied the unroller computes the number of times a candidate loop is unrolled To set this option in PVF use the Fortran Optimization Loop Unroll Count property described in Loop Unroll Count Mnounroll instructs the compiler not to unroll loops M no vect option option enable disable the code vectorizer where option is one of the following altcode Instructs the vectorizer to generate alternate code altcode for vectorized loops when appropriate For each vectorized loop the compiler decides whether to generate altcode and what type or types to generate which may be any or all of altcode without iteration peeling altcode with non temporal stores and other data cache optimizations and altcode PVF Reference Guide 75 Command Line Options Reference based on array alignments calculated dynamically at runtime The compiler also determines suitable loop count and array alignment conditionals for executing the altcode This option is enabled by default noaltcode Instructs the vectorizer to disable a
125. d and double precision use two The following example uses only double precision arguments Table 17 Floating point Arguments Argument Stack Address Structure and Union Arguments Structures and unions can have byte halfword or word alignment depending on the constituents An argument s size is increased if necessary to make it a multiple of words This size increase may require tail padding depending on the size of the argument Structure and union arguments are pushed onto the stack in the same manner as integral arguments This process provides call by value semantics letting the called function modify its arguments without affecting the calling function s object In the following example the argument s is a structure consisting of more than 2 words Table 18 Structure and Union Arguments Argument Stack Address desd word 0 s 12 ebp PVF Reference Guide 99 Run time Environment Implementing a Stack In general compilers and programmers must maintain a software stack Register esp is the stack pointer Register esp is set by the operating system for the application when the program is started The stack must be a grow down stack A separate frame pointer enables calls to routines that change the stack pointer to allocate space on the stack at run time e g alloca Some languages can also return values from a routine allocated on stack space below the original top of stack pointer Such a routine pre
126. d memory object in a large file enables programming environment Istat64 INTEGER 4 Obtains information in a 64 bit structure about the referenced open file or shared memory object in a large file enables programming environment Itime Array of Converts the system time from seconds into TARRAY which contains GMT INTEGER 4 for the current local time zone malloc INTEGER 8 Allocates SIZE byes of dynamic memory returning the address of the allocated memory Intended for users compiling legacy code Use ALLOCATE for newer code mclock INTEGER 4 Returns time accounting information about the current process and its child processes in 1 100 or second units of measure The returned value is the sum of the current process s user time and system time of all child processes INTEGER 4 Outputs the value of the specified character to the standard output file perror None Writes a message to standard error output that describes the last error encountered by a system call or library subroutine INTEGER 4 Puts the specified character at the end of the character list putenv INTEGER 4 Sets the value of the specified environment variable or creates a new environment variable INTEGER 4 Uses quick sort algorithm to sort a table of data rand1 REAL 4 Provides a method for generating a random number that can be used as the starting point for the rand procedure rand2 REAL 4 Provides a random value between 0 and 1 which is generated using the specified seed value
127. d systems The PGI Visual Fortran Reference Manual is the reference companion to the PGI Visual Fortran User s Guide which provides operating instructions for both the Visual Studio integrated development environment as well as command level compilation and general information about PGT s compilers Neither guide teaches the Fortran programming language Audience Description This manual is intended for scientists and engineers using PGI Visual Fortran To fully understand this guide you should be aware of the role of high level languages such as Fortran in the software development process and you should have some level of understanding of programming PGI Visual Fortran is available on a variety of x86 or x64 hardware platforms and variants of the Windows operating system You need to be familiar with the basic commands available on your system Compatibility and Conformance to Standards Your system needs to be running a properly installed and configured version of this PGI product For information on installing PVF refer to the Release Notes and Installation Guide included with your software For further information refer to the following gt American National Standard Programming Language FORTRAN ANSI X3 1978 1978 gt ISO IEC 1539 1 1991 Information technology Programming Languages Fortran Geneva 1991 Fortran 90 gt ISO IEC 1539 1 1997 Information technology Programming Languages Fortran Ge
128. ddFontResource AngleArc ArcTo CancelDC Chord CloseMetaFile CombineRgn CopyMetaFile CreateBrushindirect CreateCompatibleDC CreateD BPatternBrush CreateDiscardableBitmap CreateEnhMetaFile CreateFontindirectEx CreatelC CreatePatternBrush CreatePolygonRgn CreateRectRgnIndirect CreateSolidBrush DeleteEnhMetaFile DescribePixelFormat DrawEscape EndPage EnumFontFamilies EnumlCMProfiles EqualRgn ExtCreatePen ExtFloodFill FillPath FlattenPath GdiComment GdiSetBatchLimit GetBitmapBits GetBkMode GetCharABCWidthsA GetCharABCWidthsw GetCharWidth32 PVF Reference Guide AbortPath AddFontResourceEx AnimatePalette BeginPath CheckColorsinGamut CloseEnhMetaFile ColorCorrectPalette CombineTransform CreateBitmap CreateColorSpace CreateDC CreateD BPatternBrushPt CreateEllipticRgn CreateFont CreateHalftonePalette CreateMetaFile CreatePen CreatePolyPolygonRgn CreateRoundRectRgn DeleteColorSpace DeleteMetaFile DeviceCapabilities Ellipse EndPath EnumFontFamiliesEx EnumMetaFile Escape ExtCreateRegion ExtSelectClipRgn FillRgn FloodFill GdiFlush GetArcDirection GetBitmapDimensionEx GetBoundsRect GetCharABCWidthsFloat GetCharacterPlacement GetCharWidthFloat Fortran Module Library Interfaces for Windows AddFontMemResourceEx AlphaBlend Arc BitBlt ChoosePixelFormat CloseFigure ColorMatchToTarget CopyEnhMetaFile CreateBitmaplndirect CreateCompatibleBitmap CreateDlBitmap CreateDIBSection CreateEllipticR
129. der ria rei 136 5 12 13 Generic x86 64 X64 OMny ee cceccesecseseescsesesecseecesesesussceeeceaesnsucaceeeseaesnseceseceasansusaceeeceasansusaceteesasensecaseeeetes 136 5 13 Fonran Target Accor 136 9 13 14 Target NVIDIA ToS caiiint fr stint seve sana EEE REA 136 9 13 2 Tesla Register Limits ci oa bel alata setata a E AA 137 5 13 3 Tesla Use Fused Multiply Add vicio did 137 9 13 4 Tesla Use Fast Math LibralY coordinar lira darla cla reto E bene canine 137 o lesa E Mi e e lies 137 5419 6 Tesla Noatlach cotaskeei via st la 137 5 13 Tesla Pin Host Memolatasiseiisatadecusatusnedantadweusailadwedsaladwcudataieoudahadeoudn 137 5 13 8 Tesla Autocolla pse iii A Slated ai 138 PVF Reference Guide xii 9 19 9 lesla Deba 138 513 10 Tesla LIne into te nannies 138 5 13 14 Tesla UnTO lloc ia A A an eda lls A a Weenies 138 93 12 T6sla RequITd Santa Wade hl SATA edie a UE ANTEA 139 0 19 13 JeslacFlush 40 ZOO da 139 9 13 14 Tesla Generate ROG ona A A events 139 9 13 15 Tesla CUDA Toolkits cono idad 139 5 13 16 Tesla Gompute Capablanca eii 140 SAS Te Tesla CO Mn lid ro 140 9 13 18 Tesla COEM Estonia a awaits a al ette Td 140 9 13 19 Tesla CG Kepler aia 141 5 13 20 Tesla CO A AAA 141 5 19 21 Tesla Keep Kernel Piles coco i ana daeiasash desta ana a suave da aa 141 5 13 22 Target AMD Radeon rra brela mlaranend eis 141 5 13 23 Radeon Cape Verde c cccccscsecessecesssesesscsesceeesesesseseeseaese
130. des the Fortran and C C representation of the COMPLEX type Table 24 Fortran and C C Representation of the COMPLEX Type Fortran Type lower case C C Type Size bytes complex x struct float r i x float complex x IA CO complex 16 x struct double dr di x For C C the comp lex type implies C99 or later 8 8 PVF Reference Guide 110 Run time Environment Arrays For a number of reasons inter language function mixing is not recommended for arrays other than single dimensional arrays and square two dimensional arrays gt C C arrays and Fortran arrays use different default initial array index values By default C C arrays start at O and Fortran arrays start at 1 However a Fortran array can be declared to start at zero gt Fortran and C C arrays use different storage methods Fortran uses column major order and C C use row major order For one dimensional arrays this poses no problems For two dimensional arrays where there are an equal number of rows and columns row and column indexes can simply be reversed Structures Unions Maps and Derived Types Fields within Fortran structures and derived types and multiple map declarations within a Fortran union conform to the same alignment requirements used by C structures Common Blocks A named Fortran common block can be represented in C C by a structure whose members correspond to the members of the common block The name of the str
131. djustable length character type not supported on this host 338 S443 EQUIVALENCE of derived types not supported on this host S 4 Derived type in EQUIVALENCE statement must have SEQUENCE attribute A variable or array with derived type appears in an EQUIVALENCE statement The derived type must have the SEQUENCE attribute but does not E445 Array bounds must be integer The expressions in the array bounds must be integer S446 Argument number to rank mismatch The number of dimensions in the array or array expression does not match the number of dimensions in the dummy argument S447 Argument number to must be a subroutine or function name S448 Argument number to must be a subroutine name S449 Argument number to must be a function name S450 Argument number to kind mismatch S451 Arrays of derived type with a distributed member are not supported S452 Assumed length character is not a dummy argument S453 Derived type variable with pointer member not allowed in IO S454 Subprogram is not a module procedure Only names of module procedures declared in this module or accessed through USE association can appear in a MODULE PROCEDURE statement S455 A derived type array section cannot appear with a member array section PVF Reference Guide 214
132. does not use the m option Usage When the following example is executed on Windows pgfortran creates a link map in the file myprog map pgfortran m myprog f Description Use this option to display a link map gt On Linux the map is written to stdout gt On Windows the map is written to a map file whose name depends on the executable If the executable is myprog f the map file is in myprog map Related options C 0 U 2 2 30 m32 Use the 32 bit compiler for the default processor type Usage When the following example is executed on Windows pgfortran uses the 32 bit compiler for the default processor type pgfortran m32 myprog f Description Use this option to specify the 32 bit compiler as the default processor type Related options m64 2 2 31 m64 Use the 64 bit compiler for the default processor type Usage When the following example is executed on Windows pgfortran uses the 64 bit compiler for the default processor type pgfortran m64 myprog f PVF Reference Guide 28 Command Line Options Reference Description Use this option to specify the 64 bit compiler as the default processor type Related options m32 2 2 32 M lt pgflag gt Selects options for code generation The options are divided into the following categories Code generation Fortran Language Controls Optimization Environment C C Language Controls Miscellaneous Inlining The following table
133. due to EQUIVALENCE causes HPF alignments and distributions to be ignored PVF Reference Guide 216 Messages An EQUIVALENCE statement causes Fortran storage association between entries in this COMMON block The storage association overrides the HPF alignments and distributions for the COMMON block members E484 Datatype conflict in EQUIVALENCE between two distributed or aligned COMMON block members and Two distributed COMMON block members that appear in a COMMON block must have the same datatype E485 Datatype conflict in EQUIVALENCE between a distributed or aligned COMMON block member and another and A distributed COMMON block member may not be EQUIVALENCEd with another COMMON member E486 The dummy argument is REFLECTED an array element cannot be passed to a REFLECTED argument An actual argument that is an array element cannot be passed to a REFLECTED dummy argument E487 Index variable does not appear in a subscript on the left hand side of the FORALL assignment In a FORALL statement each index variable in the FORALL must appear in some subscript of the left hand side of the FORALL assignment Otherwise the FORALL will assign the same left hand side elements for different values of that index 1489 An ALLOCATE of a POINTER with transcriptive or inherited distribution causes replication
134. dule on the command line unless you remove the macro with an undef preprocessor directive or with the U option The compiler processes all of the U options in a command line after processing the D options To set this option in PVF use the Fortran Preprocessor Preprocessor Definitions property described in Preprocessor Definitions PVF Reference Guide 15 Command Line Options Reference Related options U 2 2 11 dryrun Displays the invocations of the compiler assembler and linker but does not execute them Default The compiler does not display individual phase invocations Usage The following command line requests verbose invocation information pgfortran dryrun myprog f Description Use the dr yrunoption to display the invocations of the compiler assembler and linker but not have them executed These invocations are command lines created by the compiler driver from thercfiles and the command line supplied with dryrun Related options Minfo option option V release_number 2 2 12 drystdinc Displays the standard include directories and then exits the compiler Default The compiler does not display standard include directories Usage The following command line requests a display for the standard include directories S pgfortran drystdinc myprog f Description Use the drystdincoption to display the standard include directories and then exit the compi
135. e I option to add a directory to the list of where to search for the included files The compiler searches the directory specified by the I option before the default directories The Fortran INCLUDE statement directs the compiler to begin reading from another file The compiler uses two rules to locate the file gt Ifthe file name specified in the INCLUDE statement includes a path name the compiler begins reading from the file it specifies gt If no path name is provided in the INCLUDE statement the compiler searches in order 1 Any directories specified using the I option in the order specified 2 The directory containing the source file 3 The current directory For example the compiler applies rule 1 to the following statements INCLUDE bob include filel absolute path name ENCLUDE tilel relative path name and rule 2 to this statement INCLUDE filel To set this option in PVF use the Fortran General Additional Include Directories property described in Additional Include Directories or the Fortran Preprocessor Additional Include Directories property described in Additional Include Directories Related options Mnostdinc 2 2 23 i2 14 18 Treat INTEGER and LOGICAL variables as either two four or eight bytes Default The compiler treats INTERGER and LOGICAL variables as four bytes PVF Reference Guide 23 Command Line Options Reference Usage
136. e Mbounds switch to the compilation line PVF Reference Guide 146 PVF Properties Setting this property to No adds no option to the compilation line and there is no array bounds checking at runtime No is the default 5 16 2 Check Pointers Use this property to perform runtime checks for pointers that are dereferenced while initialized to null Setting this property to Yes adds the Mchkptr switch to the compilation line Setting this property to No adds no option to the compilation line and there is no runtime check for pointers that are dereferenced while initialized to null No is the default 5 16 3 Check Stack Use this property to perform runtime stack checks for available space in the prologue of a function and before the start of a parallel region Setting this property to Yes adds the Mchkstk switch to the compilation line Setting this property to No adds no option to the compilation line and there are no runtime stack checks No is the default 5 16 4 Command Line This property page contains two boxes gt The first box titled All options is a read only description of what the compilation line will be This description is based on the values of the properties set in the Fortran property pages gt The second box titled Additional options allows you to specify any other options that you want the compiler to use Use this box when the option you need is not available through any of the Fortran property pa
137. e libraries On Linux Bstatic_pgiresults in code that runs on most Linux systems without requiring a Portability package For more information on using static libraries on Windows refer to Creating and Using Static Libraries on Windows in the Creating and Using Libraries section of the PGI Visual Fortran User Guide Related options Bdynamic Bstatic 2 2 1 byteswapio Swaps the byte order of data in unformatted Fortran data files on input output Default The compiler does not byte swap data on input output Usage The following command line requests that byte swapping be performed on input output pgfortran byteswapio myprog f Description Use the byteswapiooption to swap the byte order of data in unformatted Fortran data files on input output When this option is used the order of bytes is swapped in both the data and record control words the latter occurs in unformatted sequential files You can use this option to convert big endian format data files produced by most RISC workstations and high end servers to the little endian format used on x86 or x64 systems on the fly during file reads writes This option assumes that the record layouts of unformatted sequential access and direct access files are the same on the systems It further assumes that the IEEE representation is used for floating point numbers In particular the format of unformatted data files produced by PGI Fortran compilers i
138. e ta radeon unroll1 switch to the PVF compilation and link lines gt No Disables automatic inner loop unrolling by adding the ta radeon nounroll switch to the PVF compilation and link lines 5 13 31 Radeon Required When AMD Radeon is set to Yes use this property to direct the compiler to issue error if the compute regions fail to accelerate gt Default Uses the compiler defaults for handling instances where compute regions cannot be accelerated This select adds no additional sub options to ta radeon gt Yes Directs the compiler to stop compilation with an error when it cannot accelerate a compute region by adding the ta radeon required switch to the PVF compilation and link lines gt No Directs the compiler to issue warnings when it cannot accelerate a compute region by adding the ta radeon norequired switch to the PVF compilation and link lines Compilation does not stop but accelerator kernels are not generated 5 13 32 Target Host Use this property to generate code just for the host if no accelerator is selected Otherwise generate PGI Unified Binary Code for host and accelerator Setting this property to Yes adds the ta host switch to the PVF compilation and link lines 5 14 Fortran Diagnostics The following properties are available from the Fortran Diagnostics property page These properties allow you to add switches to the compilation line that control the amount and type of information that the c
139. e feedback information vect instructs the compiler to enable vectorizer information Mnolist the compiler does not create a listing file This is the default Mnoopenmp when used in combination with the mp option the compiler ignores OpenMP parallelization directives or pragmas but still processes SGI style parallelization directives or pragmas Mnosgimp when used in combination with the mp option the compiler ignores SGI style parallelization directives but still processes OpenMP parallelization directives or pragmas Mnopgdllmain Windows only do not link the module containing the default DllIMain into the DLL This flag applies to building DLLs with the PGFORTRAN compilers If you want to replace the default DlIMain routine with a custom DlIMainO use this flag and add the object containing the custom DlIMain to the link line The latest version of the default DIIMain used by PGFORTRAN is included in the Release Notes for each release The PGFORTRAN specific code in this routine must be incorporated into the custom version of DlIMain to ensure the appropriate function of your DLL Mpreprocess instruct the compiler to perform cpp like preprocessing on assembly and Fortran input source files To set this option in PVF use the Fortran Preprocessor Preprocess Source File property described in Preprocessor Definitions Mwritable strings stores string constants in the writable data segment gt Optio
140. e following table pertain to debugging your program or application Table 6 PGI Debug Related Compiler Options Description Fortran only Generates code to check array bounds Instrument the generated executable to perform array bounds checking at runtime Stops after the preprocessing phase and displays the preprocessed file on the standard output flagcheck Simply return zero status if flags are correct l 1 l E Includes debugging information in the object module Includes debugging information in the object module but forces assembly code generation identical to that obtained when gopt is not present on the command line Requests special compilation semantics with regard to conformance to IEEE 754 keepInk If the compiler generates a temporary indirect file for a long linker command preserves the temporary file instead of deleting it M lt pgflag gt Selects variations for code generation and optimization PVF Reference Guide 7 Command Line Options Reference Option Description pc lt val gt tp px p5 p6 piii targets only Set precision globally for x87 floating point calculations must be used when compiling the main program lt val gt may be one of 32 64 or 80 noJtraceback Adds debug information for runtime traceback for use with the environment variable PGI TERM 2 1 3 PGI Optimization Related Compiler Options The options included in the following table pertain to optimizing your program
141. e for compute capability 3 5 cc3x Generate code for the lowest 3 x compute capability possible cc3 Is equivalent to cc3x no debug Enable disable debug information generation in device code fastmath Use routines from the fast math library fermi is equivalent to cc2x fermi is equivalent to cc2 no flushz Enable disable flush to zero mode for floating point computations in the GPU code generated forPGI Accelerator model compute regions keep Keep the kernel files kepler is equivalent to cc3x kepler is equivalent to cc3 PVF Reference Guide 47 Command Line Options Reference llvm Generate code using the Ilvm based back end no debug Enable disable GPU debug information generation no lineinfo Enable disable GPU line information generation maxregcount n Specify the maximum number of registers to use on the GPU Leaving this blank indicates no limit nofma Do not generate fused multiply add instructions noL1 Prevents the use of L1 hardware data cache to cache global variables pin 1s equivalent to cc3 no rde Generate do not generate relocatable device code no required Generate do not generate a compiler error if accelerator device code cannot be generated tesla is equivalent to ta tesla cc2 radeon Select AMD Radeon accelerator target This option has the following radeon suboptions buffercount n Set the maximum number of OpenCL buffers in which to allocate data If specified the same value s
142. e generation use ta tesla 11vmon NVIDIA Tesla hardware or ta radeon 1l1vm on AMD Radeon hardware ta tesla 11vm implies and requires CUDA 5 5 or higher PGT s debugging capability for Tesla uses the LLVM back end DWARF Debugging Formats PGI 2015 has initial support for generating dwarf information in GPU code To enable dwarf generation just as in host code you use the g option Dwarf generation requires use of the LLVM code generation capabilities Further it is possible to generate dwarf information and debug on the host device or both Further for NVIDIA the LLVM code generation requires CUDA 5 5 If you don t want g to apply to both targets PGI supports the debug and nodebug suboptions For example acc g implies ta tesla host 00 g onthe host and g 11vm on the device with cuda5 5 acc ta tesla debug implies debug on the device use llvm and cuda5 5 acc g ta tesla nodebug implies debug on the host and no llvm code generation Related options _ 2 2 50 time Print execution times for various compilation steps PVF Reference Guide 49 Command Line Options Reference Default The compiler does not print execution times for compilation steps Usage In the following example pgfortran prints the execution times for the various compilation steps pgfortran time myprog f Description Use this option to print execution times for various compilation steps Related options _
143. e macro names are not case sensitive and they should be usable in any string field in a property page Unless otherwise noted macros that evaluate to directory names end with a trailing backslash In general these items can only be changed if there is an associated PVF project or file property For example VCInstallDir cannot be changed while IntDir can be changed by modifying the General Intermediate Directory property Table 25 lists the build macros that PVF supports Table 25 PVF Build Macros Macro Name Description Configuration The name of the current project configuration for example Debug ConfigurationName The name of the current project configuration for example Debug ConfigurationType The type of the current project configuration one of the following Application StaticLibrary DynamicLibrary DevEnvDir The installation directory of Visual Studio InputDir The directory of the input file If the project is the input then this macro is equivalent to ProjectDir InputExt The file extension of the input file including the before the file extension If the project is the input then this macro is equivalent to ProjectExt InputFileName Ys file name of the input file If the project is the input then this macro is equivalent to ProjectFileName InputName The base name of the input file If the project is the input then this macro is equiv
144. e the project s output files are built PVF Reference Guide 113 PVF Properties 5 1 3 Intermediate Directory Use this property to specify a relative path to the intermediate file directory This directory is where the intermediate files 1 e object files are created when the project is built 5 1 4 Extensions to Delete on Clean Use this property to specify which files in the intermediate directory should be deleted when the project is cleaned or before it is rebuilt This property uses a semi colon delimited wildcard specification for the files 5 1 5 Configuration Type Use this property to change the output type that the project produces When you create a project you specify the type of output that the project produces executable static library or dynamic library If you want to change the output type use this property to do so 5 1 6 Build Log File Use this property to specify the build log file that is produced when the project is built 5 1 7 Build Log Level Use this property to specify the level of detail to be included in the build log file Any setting above Default can produce large amounts of output and may potentially slow down the building of your project 5 2 Debugging Property Page This section contains the properties that are included on the Debugging property page 5 2 1 Debugging 5 2 2 Application Command Use this property to specify the application to execute when you select Sta
145. eMenultem InSendMessageEx InternalGetWindowText InvalidateRgn IsCharAlphaNumeric IsChild IsDlgButtonChecked Islconic IsWindow IsWindowVisible IsZoomed LoadAccelerators LoadCursor2 Loadlcon2 Fortran Module Library Interfaces for Windows GetLastActivePopup GetListBoxInfo GetMenuCheckMarkDimensions GetMenulnfo GetMenultemInfo GetMenuString GetMessagePos GetMouseMovePointsEx GetOpenClipboardWindow GetProcessDefaultLayout GetQueueStatus GetRawInputDevicelnfo GetScrollBarlnfo GetScrollRange GetSysColor GetSystemMetrics GetTitleBarInfo GetUpdateRgn GetWindow GetWindowInfo GetWindowModuleFileName GetWindowRgn GetWindowTextLength GrayString InflateRect InsertMenu IntersectRect InvertRect IsCharLower IsClipboardFormatAvailable IsGUIThread IsMenu IsWindowEnabled IsWinEventHookInstalled keybd_event LoadBitmap LoadCursorFromFile Loadlmage 181 LoadKeyboardLayout LoadMenulndirect LockWindowUpdate LookuplconldFromDirectoryEx MapVirtualKey MenultemFromPoint MessageBoxEx ModifyMenu2 MonitorFromWindow MsgWaitForMultipleObjects OemKeyScan OffsetRect Openlcon PaintDesktop PostQuitMessage PrivateExtractlcons RealGetWindowClass RegisterClassEx RegisterHotKey RegisterWindowMessage RemoveMenu ScreenToClient ScrollWindowEx SendMessage SendNotifyMessage SetCaretBlinkTime SetClassLongPtr SetClipboardViewer SetDebugErrorLevel SetDoubleClickTime SetKeyboardState SetMenu SetMenulnfo SetMessageExt
146. ear in the body of an interface block or in the body of a module procedure and may specify dummy argument names only gt IGNORE_TKR may appear before or after the declarations of the dummy arguments it specifies gt If dummy argument names are specified IGNORE_TKR applies only to those particular dummy arguments gt If no dummy argument names are specified IGNORE_TKR applies to all dummy arguments except those that are allocatable objects Fortran 90 pointers or assumed shape arrays 3 3 3 Sample Usage of IGNORE_TKR Directive Consider this subroutine fragment subroutine example A B C D PERS IGNORE TKR A R B TK KK D Table 12 indicates which rules are ignored for which dummy arguments in the preceding sample subroutine fragment Table 12 IGNORE_TKR Example Dummy Argument Ignored Rules Notice that no letters were specified for A so all type kind and rank rules are ignored 3 4 IDEC Directives PGI Fortran compilers for Microsoft Windows support directives that help with inter language calling and importing and exporting routines to and from DLLs These directives all take the form IDECS directive For specific format requirements refer to the section DEC Directives in the PGI Compiler User s Guide 3 4 1 ALIAS Directive This directive specifies an alternative name with which to resolve a routine The syntax for the ALIAS directive is either of the following IDECS ALIAS
147. ed function is prototyped the unused bits of a register containing a char or short parameter are undefined and the called function must extend the sign of the unused bits when needed Calling Assembly Language Programs The following example shows a C program calling an assembly language routine sum_3 PVF Reference Guide 100 Run time Environment C Program Calling an Assembly language Routine File testmain c main long 1 paral 0x3f 800000 close pata 1 0 double d para3 0 5 close asiatica extern float sum 3 long paral float para2 double para3 E return stm J I paral joeice2 cl paras y printf Parameter one type long 08x n 1 paral printf Parameter two type float f n f para2 printf Parameter three type double g n d para3 printf The sum after conversion f n f return File sum 3 s Computes paral para2 para3 a TEKE align 4 long EN1 sum_3 0xc8000000 align 16 MODAS UNES sum 3 pushl Sebp movl Sesp sebp subl 8 esp SENIE CS fadds 12 faddl 16 4 an 8 fstps ret type sum_3 function SA SES US AS ES 4 2 Win64 Programming Model This section defines compiler and assembly language conventions for the use of certain aspects of an x64 processor running a Win64 operating system These standards must be followed to guarantee that compilers application programs and operating systems written by different people a
148. eeseasansnensaeeteaes xxi Representation of Fortran Data Types ccccsssesscsescceesesesseseseeaesesnceceeeeaesnsaceeeseasseseseseeseeassnseseseeeesatensaseeeeeeteneees 1 Real Data Type Rang s caian 2 Scalar Type Allgemein 2 PGI Build Related Compiler Op ivi 6 PGI Debug Related Compiler Options cccccececsesccessesesscseecesesesecscseeceaesnsuceceeeasacsnsaceseceasansnsaceeeseasensseceeeseetenees 7 Optimization Related PGI Compiler Options ccccecccsesesesseseeessesesecseeeesesesnsaeseeeeaeacsusaceesceasansusacetenserenseeeeeteetes 8 Linking and Runtime Related PGI Compiler Options ccccecessesecessesescseeceeseseeseeeeseaesnsuceeenesansnsaceeecsetensetaeees 8 subgroups tor help Ocarina 22 M Options SUMMARY ara RE Rea aun 29 Optimization and O g Mvect and Mconcur Options ccccseceececeseeesceeeceeeseseeeceeeceeesnseseeeeeesaneneaeeeeeeees 37 IGNORE TKR Example issiusti inapita eraai itean ania aah Tanteanan Eai aiaia 91 Register Allo iii E E E E EE EEES 95 Standard Stack Frame rorta E EEOAE EEEN TEENER 95 Stack Contents for Functions Returning struct union c ccccsseesseseseseseseessneeeesesnesesesneeeeassneeeeatsneeeeetsneeees 98 Integral and Pointer ArQUMent cseseeeeseseseeseseeeeseeeeeseeeeesseeeeesseeeeesseseeesseeeeessieeeesseeseeesseeeeeessneneeesaneees 98 Floating point ATGUIMENIS ceca a 99 Structure and Union Arq cicciononiini As AR 99 Register A antiais
149. ement for passing string length arguments After Every String Argument Lengths of character arguments are placed immediately after their corresponding argument This option adds Miface mixed_ str len argto compilation PVF Reference Guide 132 PVF Properties gt After All Arguments Places lengths of character arguments at the end of the argument list This option adds Miface nomixed_str_len_arg to the compilation The After Every String Argument and After All Arguments options only have an effect when using the C By Reference calling convention For more information on Mi face refer to Miscellaneous Controls 5 10 3 Case of External Names Use this property to specify the case used for Fortran external names gt Default Use the calling convention s default case for external names gt Lower Case Make Fortran external names lower case This option adds Mnames lowercase to the compilation gt Upper Case Make Fortran external names upper case This option adds Mnames uppercase to the compilation The Lower Case and Upper Case options only have an effect when using the C By Reference calling convention 9 11 Fortran Libraries The Fortran Libraries property page contains properties that make it easier to use third party libraries To use these libraries however the appropriate binaries such as 1ib and d11 files must be installed on your system 5 11 1 Use ACML Use this property to bu
150. en Enable OpenACC Directives is set to Yes use this property to control the compiler s behavior when it is unable to accelerate a compute region gt Default Use the compiler defaults for handling instances where compute regions cannot be accelerated This selection adds no additional sub options to acc gt Yes Directs the compiler to stop compilation with an error when it cannot accelerate a compute region acc required gt No Directs the compiler to issue warnings when it cannot accelerate a compute region compilation does not stop but accelerator kernels are not generated acc norequired 5 8 8 OpenACC Routineseq When Enable OpenACC Directives is set to Yes use this property to compile every routine for the device gt Default Uses compiler defaults handling compile every routine for the device This selection adds no additional sub options to acc PVF Reference Guide 124 PVF Properties gt Yes Enables compiling every routine for the device by adding acc routineseg switch to the PVF compilation and link lines gt No Disables compiling every routine for the device by adding acc noroutineseq switch to the PVF compilation and link lines 5 8 9 OpenACC Wait When Enable OpenACC Directives is set to Yes use this property to wait for each device kernel to finish gt Default Uses compiler defaults handling wait for each device kernel to finish This selection adds no additional sub options to a
151. enerate critical section calls around Fortran I O statements Mnoiomutex instructs the compiler not to generate critical section calls around Fortran I O statements Monetrip instructs the compiler to force each DO loop to execute at least once Mnoonetrip instructs the compiler not to force each DO loop to execute at least once This option is useful for programs written for earlier versions of Fortran Msave instructs the compiler to assume that all local variables are subject to the SAVE statement This may allow older Fortran programs to run but it can greatly reduce performance Mnosave instructs the compiler not to assume that all local variables are subject to the SAVE statement Mstandard instructs the compiler to flag non ANSI conforming source code Munixlogical directs the compiler to treat logical values as true if the value is non zero and false if the value is zero UNIX F77 convention When Munixlogical is enabled a logical value or test that is non zero is TRUE and a value or test that is zero is FALSE In addition the value m of a logical expression is guaranteed to be one 1 when the result is TRUE PVF Reference Guide 65 Command Line Options Reference Mnounixlogical directs the compiler to use the VMS convention for logical values for true and false Even values are true and odd values are false Mupcase instructs the compiler to preserve uppercase letters
152. ent describes when the event will be fired gt The Pre Build Event is run before a build starts gt The Pre Link Event is run after compilation but before linking gt The Post Build Event is run after the build completes gt Build events will not be run if a project is up to date The properties for a build event are the same for all three types of build events 5 27 2 Command Line Use this property to specify the command line that the build tool will run This property is at the core of the build event For example to add a time stamp to a build you could use time t as the build event s command line PVF Reference Guide 152 PVF Properties 5 27 3 Description Use this property to provide feedback to the Output window The contents of the Description property is echoed to the Output window when this event is fired 5 27 4 Excluded From Build Use this property to specify whether this build event should be excluded from the build for the current configuration 5 28 Custom Build Step Property Page This section contains the property pages that are included in the Custom Build Step category You can define a custom build step either for a project or for an individual file Custom build steps can only be defined for files that are not Fortran or resource files 5 28 1 Custom Build Step General The following properties are available from the Custom Build Step General property page 5 28 2 Command Line
153. enu EnumChildWindows EnumDesktopWindows EnumDisplaySettings EnumPropsEx EnumWindowStations ExitWindowsEx FindWindowEx FrameRect GetAncestor GetCaretBlinkTime GetClassInfoEx GetClassName GetClipboardData GetClipboardSequenceNumber GetComboBoxlinfo GetCursorPos GetDesktopWindow GetDigltem GetDoubleClickTime GetGuiResources GetInputState GetKeyboardLayoutList GetKeyboardType 180 GetKeyNameText GetLastInputinfo GetMenu GetMenuContextHelpld GetMenultemCount GetMenultemRect GetMessage GetMessage Time GetNextDlgGroupltem GetParent GetProcessWindowStation GetRawInputBuffer GetRawInputDeviceList GetScrolllnfo GetShellWindow GetSysColorBrush GetTabbedTextExtent GetTopWindow GetUserObjectlnformation GetWindowContextHelpld GetWindowLong GetWindowPlacement GetWindowRgnBox GetWindowThreadProcessld HideCaret InSendMessage InsertMenultem InvalidateRect IsCharAlpha IsCharUpper IsDialogMessage IsHungAppWindow IsRectEmpty IsWindowUnicode IsWow64Message KillTimer LoadCursor Loadicon1 PVF Reference Guide GetKeyState GetLayeredWindowAttributes GetMenuBarlnfo GetMenuDefaultltem GetMenultemID GetMenuState GetMessageExtralnfo GetMonitorInfo GetNextDlgTabltem GetPriorityClipboardFormat GetProp GetRawInputData GetRegisteredRawInputDevices GetScrollPos GetSubMenu GetSystemMenu GetThreadDesktop GetUpdateRect GetUserObjectSecurity GetWindowDC GetWindowLongPtr GetWindowRect GetWindowText GetWindowWord Hilit
154. ermost loop distribution no short Enable disable short vector operations Enables disables generation of packed SSE instructions for short vector operations that arise from scalar code outside of loops or within the body of a loop iteration simd 1281256 Specifies to vectorize using SIMD instructions and data either 128 bits or 256 bits wide on processors where there is a choice tile Enable tiling blocking over multiple nested loops for more efficient cache utilization Mnovintr instructs the compiler not to perform idiom recognition or introduce calls to hand optimized vector functions 2 3 6 Miscellaneous Controls This section describes the M lt pgflag gt options that do not easily fit into one of the other categories of M lt pgflag gt options Default Before looking at all the options let s look at the defaults For arguments that you do not specify the default miscellaneous options are as follows inform nobounds nolist warn Related options m S V v Usage In the following example the compiler includes Fortran source code with the assembly code pgfortran Manno S myprog f PVF Reference Guide 77 Command Line Options Reference In the following example the assembler does not delete the assembly file myprog s after the assembly pass pgfortran Mkeepasm myprog f In the following example the compiler displays information about inlined functions with fewer than approximately 20 s
155. es to target The compiler generates code for each capability specified If you select Manual then you can select any or all of the following compute capabilities that are described in the next sections Tesla CC Fermi Tesla CC Fermi Tesla CC Kepler Tesla CC Kepler Important If you select Manua 1 and the additional properties do not appear click Apply in the Property page dialog 5 13 17 Tesla CC Fermi When Target NVIDIA Tesla is set to Yes and Tesla Compute Capability is set to Manual use this property to generate code for the Fermi Architecture Setting this property to Yes adds the ta tesla fermi switch to the PVF compilation and link lines 5 13 18 Tesla CC Fermi When Target NVIDIA Tesla is set to Yes and Tesla Compute Capability is set to Manual use this property to generate code for Fermi Architecture and above Setting this property to Yes adds the ta tesla fermi switch to the PVF compilation and link lines PVF Reference Guide 140 PVF Properties 5 13 19 Tesla CC Kepler When Target NVIDIA Tesla is set to Yes and Tesla Compute Capability is set to Manual use this property to generate code for Kepler Architecture Setting this property to Yes adds the ta tesla kepler switch to the PVF compilation and link lines 5 13 20 Tesla CC Kepler When Target NVIDIA Tesla is set to Yes and Tesla Compute Capability is set to Manual use this property to generate code for Kepler Architecture and above
156. escececsecessesesesscsessesesesnsseeseseaesecesseseesesesesasaeeceaeaesusseaeeseaeaneaeseeeeseassneesaeeteinanseeasaeeteaes 49 PVF Reference Guide vii LLVM SPIR and Native GPU Code Generati0N oocionnnnnninioninininnoninnnninaninnncananano nono na ronca nono narrar ronca 49 DWARF Debugging Formats cian ii e 49 Related OPI A AA A A A 49 AN act chee cnt te ake tee ete Med Ne ANEA OO eed Aa ie Paes 49 Deal A do Gite aan DMS 50 US iia a Ea Et deer ea ate 50 DOSCriPUON ai isien ai aaan ae e aie ada hd eee ee Ah eee ee Ai a ee 50 Related OPS dia 50 2 2 51 Ap lt target gt target cecccsecssscsessseesesessesessesesesesseeeeseeesesecseeseaeacsncasaeeceaeansusaceeeseaeaesasaceeeseatsneasseeeeeeetaneetases 50 Della is ta davies teed tank bir enn ater tte 50 NN 51 A O abe aimatetee aie ante deere 51 DeSGriPUOM ll a 51 Related opti iia ada tad is 53 2 2 52 MO tPACEDACK escececcceesececseceseesesecscseecesesesucseeseseaesesecseeeesesesesasaeeceaescsasacseeseaesesasseeeeasacaeeasaeeseasateneeceeeteaeaeees 53 Del visites 53 MM nee anti aciee aati aniee ante a ctea ands ade anne acter EEE E E 53 Usao sci e de 53 Descrip ts Ny dl dates hee el ta la OO 53 RelaledOplONS a a a e e a obs tao be nea Ee ae bene Aes 53 LID A A AAA A ae lA Ge A E E 53 Dl A A a A AA 53 MM A ere rere me eee mere ere emer reer eyes 54 SAGO iia soe ul ds otitis it May hate eee 54 DeSCrIDUON iene Bintan iad A ae tan nein Shanes 54 Related Op
157. ess to a number of libraries that export C interfaces by using Fortran modules PVF uses this mechanism to support the Win32 API and Unix Linux portability libraries This section describes the Fortran module library interfaces that PVF supports describing each property available 7 1 Source Files All routines described in this section have their prototypes and interfaces described in source files that are included in the PGI Windows compiler installation The location of these files depends on your operating system version either win32 or win64 and the PGI release version that you have installed These files are typically located in this directory C Program Files PGI win32 win64 release version src For example if you have installed the x64 version of the 15 10 release look for your files in this location C Program Files PGI win64 15 10 sre 7 2 Data Types Because the Win32 API and Portability interfaces resolve to C language libraries it is important to understand how the data types compare within the two languages Here is a table summarizing how C types correspond with Fortran types for some of the more common data types Table 26 Fortran Data Type Mappings Windows Data Type Fortran Data Type Ez PVF Reference Guide 158 Fortran Module Library Interfaces for Windows Windows Data Type Fortran Data Type CHAR CHARACTER SHORT WORD INTEGER 2 DWORD INT LONG INTEGER 4 For more information on data types
158. ession used where scalar expression required A vector expression was used in an illegal context For example iscalar iarray where a scalar is assigned the value of an array Also character and record references are not vectorizable S084 Illegal use of symbol This message is used for many different errors S085 Incorrect number of arguments to statement function S086 Dummy argument to statement function must be a variable S087 Non constant expression where constant expression required S088 Recursive subroutine or function call of A function may not call itself S089 Illegal use of symbol with character length Symbols of type CHARACTER must be dummy variables and must not be used as statement function dummy parameters and statement function names Also a dummy variable of type CHARACTER cannot be used as a function S090 Hollerith constant more than 4 characters In certain contexts Hollerith constants may not be more than 4 characters long F s091 Constant expression of wrong data type S092 Illegal use of variable length character expression A character expression used as an actual argument or in certain contexts within I O statements must not consist of a concatenation involving a passed length character variable W093 Type conversion of expression performed An expression of some data type appears in a context which requires an expression o
159. et stack properties for your program The stackoption takes one or more arguments reserved bytes committed bytes no check reserved bytes Specifies the total stack bytes required in your program committed bytes Specifies the number of stack bytes that the Operating System will allocate for each routine in your program This value must be less than or equal to the stackreserved bytesvalue Default for this argument is 4096 bytes PVF Reference Guide 45 Command Line Options Reference no check Instructs the compiler to generate or not to generate stack initialization code upon entry of each routine Check is the default so stack initialization code is generated Stack initialization code is required when a routine s stack exceeds the committed bytes size When your committed bytes is equal to the reserved bytes or equal to the stack bytes required for each routine then you can turn off the stack initialization code using the stack nocheck compiler option If you do this the compiler assumes that you are specifying enough committed stack space and therefore your program does not have to manage its own stack size For more information on determining the amount of stack required by your program refer to Mchkstk compiler option described in Miscellaneous Controls stack reserved bytes committed bytes are linker options stack no check is a compiler option If you specify stack reserved bytes committed b
160. f some other data type The compiler generates code to convert the expression into the required type S094 Variable is of wrong data type The indicated variable is used in a context which requires a variable of some other data type S095 Expression has wrong data type An expression of some data type appears in a context which requires an expression of some other data type S096 Illegal complex comparison The relations LT GT GE and LE are not allowed for complex values S097 Statement label has been defined more than once More than one statement with the indicated statement number occurs in the subprogram S098 Divide by zero PVF Reference Guide 193 Messages S099 Illegal use of Aggregate record references may only appear in aggregate assignment statements unformatted VO statements and as parameters to subprograms They may not appear for example in expressions Also records with differing structure types may not be assigned to one another S100 Expression cannot be promoted to a vector An expression was used that required a scalar quantity to be promoted to a vector illegally For example the assignment of a character constant string to a character array Records too cannot be promoted to vectors S101 Vector operation not allowed on Record and character typed entities may only be referenced as scalar quantities S102 Arithmetic IF expression has wrong data type
161. f the properties set in the Linker property pages gt The second box titled Additional options allows you to specify options that you want the linker to use Use this box when the option you need is not available through any of the Linker property pages For more information on all the compiler options that are available refer to Command Line Options Reference 9 22 Librarian Property Pages This section contains the property pages that are included in the Librarian category The Librarian property pages are available for projects that build static libraries 5 23 Librarian General The following properties are available from the Librarian General property page 5 23 1 Output File Use this property to override the default output file name Providing the file name and the file s extension is equivalent to using the o switch cy You must provide the file s extension For more information on o refer to o 5 23 2 Additional Library Directories Use this property to add one or more directories to the library search path For every directory path that is added to this property PVF adds LIBPATH lt dir gt to the link line There are two ways to add directories to this property gt Type the information directly into the property page box Use a semi colon to separate each directory gt Click the ellipsis button in the property page box to open the Additional Library D
162. f this hardware support is for those who have specific uses for its execution along with the appropriate signal handlers for handling exceptions it produces It is not designed for normal floating point operation code support Related options None PVF Reference Guide 25 Command Line Options Reference 2 2 25 keepink Windows only Preserves the temporary file when the compiler generates a temporary indirect file for a long linker command Usage In the following example the compiler preserves each temporary file rather than deleting it S pgfortran keeplnk myprog f Description If the compiler generates a temporary indirect file for a long linker command use this option to instruct the compiler to preserve the temporary file instead of deleting it Related options None 2 2 26 L Specifies a directory to search for libraries Multiple L options are valid However the position of multiple L options is important relative to options supplied Default The compiler searches the standard library directory Syntax Ldirectory Wheredirectoryis the name of the library directory Usage In the following example the library directory is 1iband the linker links in the standard libraries required by PGFORTRAN from this directory pgfortran L lib myprog f In the following example the library directory 1ibis searched for the library filel ibx aand both the directories 1iband 1ibzare searched forlib
163. fRelativeSD NotifyChangeEventLog ObjectDeleteAuditAlarm ObjectPrivilegeAuditAlarm OpenEncryptedFileRaw OpenProcessToken PrivilegeCheck ReadEncryptedFileRaw 167 ReadEventLog ReportEvent SetAclInformation SetKernelObjectSecurity SetPrivateObjectSecurityEx SetSecurityDescriptorDacl SetSecurityDescriptorOwner SetSecurityDescriptorSacl SetTokenInformation 7 5 2 comdlg32 Fortran Module Library Interfaces for Windows RegisterEventSource RevertToSelf SetFileSecurity SetPrivateObjectSecurity SetSecurityDescriptorControl SetSecurityDescriptorGroup SetSecurityDescriptorRMControl SetThreadToken WriteEncryptedFileRaw The following table lists the functions that comd1g32 includes AfxReplaceText CommDIgExtendedError GetOpenFileName PrintDlg 7 5 3 dfwbase ChooseColor ChooseF ont FindText GetFileTitle GetSaveFileName PageSetupDlg PrintDIgEx ReplaceText These are the functions that dfwbase includes chartoint chartoreal CopyMemory GetBlueValue GetGreenValue GetRedValue HiByte HiWord HiWord64 inttochar 7 5 4 dfwinty LoByte MakeWord LoWord MakeWparam LoWord64 Palettelndex MakelntAtom PaletteRGB MakelntResource PrimaryLanglD MakeLanglD RGB MakeLCID RtlCopyMemory MakeLong SortIDFromLCID MakeLParam SubLanglD MakeLResult These are the functions that dfwint y includes dwNumberOfFunctionKeys 7 5 5 gdi32 These are the functions that gdi32 includes PVF Reference Guide 168 AbortDoc A
164. ges For more information on all the compiler options that are available refer to Command Line Options Reference 9 17 Fortran Command Line The following properties are available from the Fortran Command Line property page 5 17 1 Command Line This property page contains two boxes gt The first box titled All options is a read only description of what the compilation line will be This description is based on the values of the properties set in the Fortran property pages gt The second box titled Additional options allows you to specify any other options that you want the compiler to use Use this box when the option you need is not available through any of the Fortran property pages PVF Reference Guide 147 PVF Properties For more information on all the compiler options that are available refer to Command Line Options Reference 9 18 Linker Property Pages This section contains the property pages that are included in the Linker category The Linker property page category is available for projects that build an executable or a dynamically linked library DLL 5 19 Linker General The following properties are available from the Linker General property page 5 19 1 Output File Use this property to override the default output file name Providing the file name and the file s extension is equivalent to using the o switch gt You must provide the file s extension For more information on
165. gnIndirect CreateFontindirect CreateHatchBrush CreatePalette CreatePenIndirect CreateRectRgn CreateScalableFontResource DeleteDC DeleteObject DPtoLP EndDoc EnumEnhMetaFile EnumFonts EnumObjects ExcludeClipRect ExtEscape ExtTextOut FixBrushOrgEx FrameRgn GdiGetBatchLimit GetAspectRatioFilterEx GetBkColor GetBrushOrgEx GetCharABCWidthsl GetCharWidth GetCharWidthl 169 GetClipBox GetColorSpace GetDCBrushColor GetDeviceCaps GetDIBits GetEnhMetaFileDescriptionA GetEnhMetaFilePaletteEntries GetFontLanguagelnfo GetGlyphOutline GetICMProfileW GetLogColorSpace GetMetaFileBitsEx GetNearestColor GetObjectType GetPath GetPolyFillMode GetRegionData GetStockObject GetSystemPaletteUse GetTextCharset GetTextExtentExPoint GetTextExtentPoint32 GetTextMetrics GetWindowExtEx GetWorldTransform InvertRgn LPtoDP MoveToEx OffsetViewportOrgEx PatBlt PlayEnhMetaFile PlayMetaFileRecord PolyBezierTo Polyline PolyPolyline PtVisible RectInRegion RemoveFontResource PVF Reference Guide GetClipRgn GetCurrentObject GetDCOrgEx GetDeviceGammaRamp GetEnhMetaFile GetEnhMetaFileDescriptionW GetEnhMetaFilePixelFormat GetFontUnicodeRanges GetGraphicsMode GetKerningPairs GetMapMode GetMetaRgn GetNearestPalettelndex GetOutlineTextMetrics GetPixel GetRandomRgn GetRgnBox GetStretchBitMode GetTextAlign GetTextCharsetInfo GetTextExtentExPointl GetTextExtentPointl GetViewportExtEx GetWindowOrgEx GradientFill LineDD
166. gram for subsequent analysis and propagation e appears to be out of date W324 IPA fil W325 IPA fil W326 Unable to open file to propagate 327 IPA subprograms analyzed 328 IPA 329 IPA INTENT IN dummy 330 IPA dummy arguments changed to 331 IPA inherited array alignments 332 IPA transcriptive distribution 333 IPA transcriptive distribution 334 IPA descriptive prescript 335 IPA descriptive prescript verified 336 IPA verified 337 IPA common blocks opt 338 IPA common blocks not S339 Bad IPA contents file S340 Bad IPA file format e is for wrong subprogram dummy arguments replaced by co arguments IPA information to nstants should be INTENT INOUT NTENT N replaced ormats replaced targets replaced tive array alignments verified tive distribution formats descriptive prescriptive distribution targets timized PVF Reference Guide 5 t optimized 206 Messages F S341 Unable to create file while analyzing IPA information ce S342 Unable to open file while analyzing IPA information S343 Unable to open IPA contents file S344 Unable to create file while collecti
167. h between and This may arise when the actual argument has a different offset in its alignment to its template than does the dummy argument 1378 Distribution target mismatch between and This may arise when the actual and dummy arguments have different distribution target sizes 1379 Alignment of is too complex The alignment specification of the array is too complex for interprocedural analysis to verify or propagate the program will work correctly but without the benefit of IPA 1380 Distribution format of is too complex The distribution format specification of the array is too complex for interprocedural analysis to verify or propagate the program will work correctly but without the benefit of IPA 1381 Distribution target of is too complex The distribution target specification of the array is too complex for interprocedural analysis to verify or propagate the program will work correctly but without the benefit of IPA PVF Reference Guide 209 Messages 382 IPA subprograms analyzed Interprocedural analysis succeeded in finding and analyzing this many subprograms in the whole program 383 IPA dummy arguments replaced by constants Interprocedural analysis has found this many dummy arguments in the whole program that can be replaced by constants 384 IPA dummy arguments changed to INTENT IN Interprocedural analysis has found
168. hat is a member of the set of allowed values for this particular data type E W032 Data type length specifier not allowed for The data type length specifier e g 4 in INTEGER 4 is not allowed in the given syntax e g DIMENSION A 10 4 S033 Illegal use of constant A constant was used in an illegal context such as on the left side of an assignment statement or as the target of a data initialization statement S034 Syntax error at or near 1035 Predefined intrinsic loses intrinsic property An intrinsic name was used in a manner inconsistent with the language definition for that intrinsic The compiler based on the context will treat the name as a variable or an external function S036 Illegal implicit character range First character must alphabetically precede second S037 Contradictory data type specified for The indicated identifier appears in more than one type specification statement and different data types are specified for it S038 Symbol has not been explicitly declared The indicated identifier must be declared in a type statement this is required when the IMPLICIT NONE statement occurs in the subprogram m W039 Symbol appears illegally in a SAVE statement An identifier appearing in a SAVE statement must be a local variable or array S040 Illegal common variable Indicated identifier is a dummy variable is already in a common block or has previously
169. he CUDA 6 5 or CUDA 7 0 toolkit either by using the Mcuda 6 5 or Mcuda 7 0 option or by adding set DEFCUDAVERSTON 6 50rset DEFCUDAVERSION 7 0 tothe siterc file This action generates binaries that may not work on machines with an earlier CUDA driver pgaccelinfo prints the driver version as the first line of output Fora6 5driver CUDA Driver Version 6050 Fora 0driver CUDA Driver Version 7000 emu Enable Cuda Fortran emulation mode fastmath Use routines from the fast math library fermi is equivalent to Mcuda cc2x no flushz Enable disable flush to zero mode for floating point computations in the GPU code generated for CUDA Fortran kernels generate rde Generate relocatable device code keepbin Keep the generated binary bin file for CUDA Fortran keepgpu Keep the generated GPU code for CUDA Fortran keepptx Keep the portable assembly ptx file for the GPU code kepler is equivalent to Mcuda cc3x llvm Generate code using the Ilvm based back end no debug Enable disable GPU debug information generation no lineinfo Enable disable GPU line information generation maxregcount n Specify the maximum number of registers to use on the GPU Leaving this blank indicates no limit nofma Do not generate fused multiply add instructions noL1 Prevent the use of L1 hardware data cache to cache global variables ptxinfo Show PTXAS informational messages during compilation rdc Enable
170. he length of a quoted string exceeded the maximum allowed currently 2048 s924 Syntax error in define formal not identifier A formal parameter that was not an identifier was used in a macro definition S926 Syntax error in if A syntax error was found while parsing the expression following a if or elif directive 927 Syntax error in include The include directive was not correctly formed W928 Syntax error in line A line directive was not correctly formed W929 Syntax error in module A module directive was not correctly formed PVF Reference Guide 222 Messages W930 Syntax error in undef A undef directive was not correctly formed W931 Token after ifdef must be identifier The ifdef directive was not followed by an identifier W932 Token after ifndef must be identifier The ifndef directive was not followed by an identifier S933 Too many actual parameters to The number of actual arguments to the indicated macro exceeded the maximum allowed currently 31 S934 Too many formal parameters to The number of formal arguments to the indicated macro exceeded the maximum allowed currently 31 S935 Illegal context for VA ARGS W936 Undefined directive The identifier following a was not a directive name S937 EOFin include directive End of file was encountered while processing a include directive S938 Unmatched elif A elif directive was e
171. he link line will be This value is based on the values of the properties set in the Librarian property pages gt The second box titled Additional options allows you to specify options that you want the librarian to use even though these options are not available through any of the Librarian property pages For more information on all the compiler options that are available refer to Command Line Options Reference PVF Reference Guide 151 PVF Properties 9 29 Resources Property Page This section contains the property pages that are included in the Resources category 5 26 Resources Command Line The following properties are available from the Resources Command Line property page 5 26 1 Command Line Use this property to add options to the Resource compiler s command line PVF s support of resources is somewhat limited at this time and the property pages in this category reflect that To add options to the Resource compiler s command line use the Additional options box on this property page 9 27 Build Events Property Page This section contains the property pages that are included in the Build Events category Build events include three types of events Pre Build Pre Link and Post Build The Build Events property pages provide an opportunity to specify actions in addition to compiling and linking that you want to have happen during the process of a build 9 27 1 Build Event The name of the build ev
172. his property to auto parallelize code that is parallelizable Using this option adds the Mconcur option to the compilation line For more information on Mconcur refer to Optimization Controls PVF Reference Guide 120 PVF Properties 9 6 Fortran Preprocessing The following properties are available from the Fortran Preprocessing Property page 5 6 1 Preprocess Source File Use this property to specify whether the compiler should preprocess source files Setting this property to Yes adds the Mpreprocess switch to the compilation command line For more information on Mpreprocess refer to Miscellaneous Controls 5 6 2 Additional Include Directories Use this property to add one or more directories to the compiler s include path For every path that is added to this property PVF adds I lt path gt to the compilation line There are two ways to add directories to this property gt Type the information directly into the property page box Use a semi colon to separate each directory gt Click the ellipsis button in the property page box to open the Additional Include Directories dialog box Enter each directory on its own line in this box Do not use semi colons to separate directories the semi colons are added automatically when the box is closed For more information on I lt path gt refer to I gt This property is also available from the Fortran General Property page 5
173. hould be used for all object files in the binary capeverde Generate code for Radeon Cape Verde architecture keep Keep the kernel files llvm Generate code using the Ilvm based back end tahiti Generate code for Radeon Tahiti architecture host Use the hostoption to generate code to execute OpenACC regions on the host The ta host flag has no suboptions Multiple Targets Specifying more than one target such as ta tesla radeon generates code for multiple targets When host is one of the multiple targets such as ta tesla host the result is generated code that can be run with or without an attached accelerator PVF Reference Guide 48 Command Line Options Reference Relocatable Device Code A rdc option is available for the ta and Mcuda flags that specifies to generate relocatable device code Starting in PGI 14 1 the default code generation and linking mode for NVIDIA target OpenACC and CUDA Fortran is rdc relocatable device code You can disable the default and enable the old behavior and non relocatable code by specifying any of the following ta tesla nordc Mcuda nordc or specifying any radeon target LLVM SPIR and Native GPU Code Generation For accelerator code generation PGI 2015 has two options gt In legacy mode which continues to be the default PGI generates low level CUDA C or OpenCL code gt Beginning in PGI 14 1 PGI can generate an LLVM based intermediate representation To enable this cod
174. hout a m32 m64 flag compiles for a 32 bit target if the PGI 32 bit compilers are on your path and for a 64 bit target if the PGI 64 bit compilers are on your path PVF Reference Guide 50 Command Line Options Reference Syntax The syntax for 64 bit and 32 bit targets is similar even though the target information varies Syntax for 64 bit targets tp k8 64 k8 64e p7 64 core2 64 x64 Syntax for 32 bit targets Siro Mie 32 127232 come2 321 Usage In the following example pgfortran sets the target processor to a 64 bit Intel Nehalem processor pgfortran tp nehalem 64 myprog f Description Use this option to set the target architecture By default the PGI compiler uses all supported instructions wherever possible when compiling on a given system Processor specific optimizations can be specified or limited explicitly by using the tp option Thus it is possible to create executables that are usable on previous generation systems To set this option in PVF use the Fortran Target Processors Unified Binary Information property described in Unified Binary Information The following list contains the possible suboptions for tp and the processors that each suboption is intended to target Options without a bit length suffix use the current width associated with the driver on your path barcelona generate code for AMD Opteron Quadcore and compatible processors The bulldozer Generate either 32 bi
175. iable SetEvent SetFileApisToOEM SetFilePointer SetFileShortName SetFileValidData SetHandleCount SetInformationJobObject SetLocalTime SetMessageWaitingindicator SetPriorityClass SetProcessPriorityBoost SetProcessWorkingSetSize SetStdHandle SetSystemTimeAdjustment SetTapePosition SetThreadContext SetThreadidealProcessor SetThreadPriorityBoost SetTimerQueueTimer SetUnhandledExceptionFilter SetVolumeLabel SetWaitableTimer SizeofResource SleepEx SwitchToFiber PVF Reference Guide Fortran Module Library Interfaces for Windows SetCommConfig SetCommState SetComputerName SetConsoleActiveScreenBuffer SetConsoleCtrlHandler SetConsoleCursorPosition SetConsoleOutputCP SetConsoleTextAttribute SetConsoleWindowInfo SetCurrentDirectory SetDllDirectory SetEnvironmentStrings SetErrorMode SetFileApisToANSI SetFileAttributes SetFilePointerEx SetFileTime SetFirmwareEnvironmentVariable SetHandlelnformation SetLastError SetMailslotInfo SetNamedPipeHandleState SetProcessAffinityMask SetProcessShutdownParameters SetProcessWorkingSetSizeEx SetSystemTime SetTapeParameters SetThreadAffinityMask SetThreadExecutionState SetThreadPriority SetThreadStackGuarantee SetTimeZonelnformation SetupComm SetVolumeMountPoint SignalObjectAndWait Sleep SuspendThread SwitchToThread 177 SystemTimeToFileTime TerminateJobObject TerminateThread TlsFree TlsSetValue TransmitCommChar TzSpecificLocalTimeToSystemTime UnlockFile UnmapViewOf
176. ible device copy Expressions are not allowed E479 The dummy argument is REFLECTED the actual argument must have a visible device copy If a dummy argument has the Accelerator REFLECTED attribute the actual argument must be a symbol with a visible device copy This may be because the symbol appeared in a MIRROR REFLECTED COPYIN COPYOUT COPY or LOCAL declarative Accelerator directive or because it appeared in a COPYIN COPYOUT COPY or LOCAL clause for an Accelerator DATA REGION or REGION surrounding the procedure call E480 Argument is passed to dummy argument which is REFLECTED the actual argument must not require runtime reshaping When an actual argument is an array section or pointer array section sometimes the actual argument must be copied to a temporary array This may occur if the dummy argument is not assumed shape and so must be contiguous in memory or if the actual argument is not stride 1 in the leftmost first dimension In these cases the REFLECTED argument is not supported F481 An ENTRY name must not appear as a dummy argument The name of the subprogram or an ENTRY to the subprogram must not appear as a dummy argument to the subprogram 482 COMMON is declared differently in two subprograms The COMMON block name was declared with different distribution or alignment for one or more members in two different subprograms E483 Storage association
177. ies single block loop unrolling gt m specifies multi block loop unrolling In addition a constant may be specified for the c n and m arguments gt cv sets the threshold to which c unrolling applies v is a constant and a loop whose constant loop count is less than or equal to lt v is completely unrolled cpgi unroll c v gt n v unrolls single block loops v times cpgi unroll n v gt mz v unrolls single block loops v times cpgi unroll m v The directives unroll and nounroll only apply if Munro11 is selected on the command line 3 1 16 vector novector The directive novector disables vectorization The directive vector re enables vectorization after a previous novector directive The directives vector and novector only apply if Mvect has been selected on the command line PVF Reference Guide 89 Directives Reference 3 1 17 vintr novintr The directive novintr directs the vectorizer to disable recognition of vector intrinsics The directive vintr is re enables recognition of vector intrinsics after a previous novintr directive The directives vintr and novintr only apply if Mvect has been selected on the command line 3 2 Prefetch Directives and Pragmas Prefetch instructions can increase the speed of an application substantially by bringing data into cache so that it is available when the processor needs it The PGI prefetch directive takes the form The syntax of a prefetch directive in Fortran i
178. ild for and link against the AMD Core Math Library ACML PGI products include a version of the ACML gt Yes Use the AMD Core Math Library when building and linking programs gt No Do not use the AMD Core Math Library when building and linking programs 5 11 2 Use IMSL Use this property to build for and link against the Rogue Wave IMSL numerical libraries which are available from Rogue Wave Software gt Yes Use the Rogue Wave IMSL numerical libraries when building and linking programs gt No Do not use the Rogue Wave IMSL numerical libraries when building and linking programs 9 11 3 Use MKL Use this property to build for and link against the Intel Math Kernel Library MKL which is available from Intel PVF Reference Guide 133 PVF Properties gt Yes Use the Intel Math Kernel Library when building and linking programs gt No Do not use the Intel Math Kernel Library when building and linking programs 5 12 Fortran Target Processors The properties that are available from the Fortran Target Processors property page depend on the platform you are using The platform selection box in the center of the Property Pages dialog indicates the platform x64 or Win32 x64 Platform You can target multiple processors for optimization on the x64 platform Win32 Platform You can target only one processor at a time for optimization on the Win32 platform If you select Yes for more than one processor a compiler error
179. iler messages refer to a severity level a message number and the line number where the error occurs The compiler can also display internal error messages on standard error If your compilation produces any internal errors contact The Portland Group s technical reporting service by sending e mail to trs pgroup com If you use the listing file option M1 i st the compiler places diagnostic messages after the source lines in the listing file in the following format PGFTN etype enum message filename line Where etype is a character signifying the severity level enum is the error number message is the error message PVF Reference Guide 185 Messages filename is the source filename line is the line number where the compiler detected an error 8 2 Phase Invocation Messages You can display compiler assembler and linker phase invocations by using the v command line option For further information about this option refer to the Using Command Line Options section of the PGI Visual Fortran User Guide 8 3 Fortran Compiler Error Messages This section presents the error messages generated by the PGF77 PGF95 and PGFORTRAN compilers The compilers display error messages in the program listing and on standard output They can also display internal error messages on standard error 8 3 1 Message Format Each message is numbered Each message also lists the line and column number where the error occurs A dollar sign
180. iler to issue error if the compute regions fail to accelerate gt Default Uses the compiler defaults for handling instances where compute regions cannot be accelerated This select adds no additional sub options to ta tesla gt Yes Directs the compiler to stop compilation with an error when it cannot accelerate a compute region by adding the ta tesla required switch to the PVF compilation and link lines gt No Directs the compiler to issue warnings when it cannot accelerate a compute region by adding the ta tesla norequired switch to the PVF compilation and link lines Compilation does not stop but accelerator kernels are not generated 5 13 13 Tesla Flush to Zero When Target NVIDIA Tesla is set to Yes use this property to control flush to zero mode for floating point computations in the GPU code generated for PGI Accelerator model compute regions gt Default Accepts the default handling of floating point computations in the GPU code generated for CUDA Fortran kernels gt Yes Enables flush to zero mode by adding the ta tesla flushz switch to the PVF compilation and link lines gt No Disables flush to zero mode by adding the ta tesla noflushz switch to the PVF compilation and link lines 5 13 14 Tesla Generate RDC When Target NVIDIA Tesla is set to Yes use this property to control generation of relocatable device code gt Default Accepts the compiler s default generation of relocatable device code
181. iling functions are called with the address of the current function and its call site linux86 64 only void Cy pP ro ile Tune enter woe tls Em vord cell site y void Cy JOOS ie exalta woul tais Em woul call gite In these calls the first argument is the address of the start of the current function To set this option in PVF use the Fortran Diagnostics Warning Level property described in Warning Level Mkeepasm instructs the compiler to keep the assembly file as compilation continues Normally the assembler deletes this file when it is finished The assembly file has the same filename as the source file but with a s extension To set this option in PVF use the Fortran Output Assembler Output property described in Generate Assembly Mlist instructs the compiler to create a listing file The listing file is filename 1st where the name of the source file is filename f Mmakedl11 generate a dynamic link library DLL Mmakeimplib generate an import library for a DLL without creating the DLL When used without def deffile passes the switch def to the librarian without a deffile Mnames lowercase uppercase specifies the case for the names of Fortran externals gt lowercase Use lowercase for Fortran externals gt uppercase Use uppercase for Fortran externals Mneginfo option option instructs the compiler to produce information on standard error whe
182. in loops need to be privatized Problems are possible if a scalar is accessed outside the loop If you know that a scalar is assigned on the last iteration of the loop making it safe to parallelize the loop you use the safe_lastval directive to let the compiler know the loop is safe to parallelize For example use the following pragma to tell the compiler that for a given loop the last value computed for all scalars make it safe to parallelize the loop cpgi l safe lastval The command line option Msafe lastval provides the same information for all loops within the routines being compiled essentially providing global scope In the following example the value of t may not be computed on the last iteration of the loop do i l N sbi se G2 al gt 340 maca t x 1 endif enddo v t If a scalar assigned within a loop is used outside the loop we normally save the last value of the scalar Essentially the value of the scalar on the last iteration is saved in this case when i N If the loop is parallelized and the scalar is not assigned on every iteration it may be difficult to determine on what iteration t is last assigned without resorting to costly critical sections Analysis allows the compiler to determine if a scalar is assigned on every iteration thus the loop is safe to parallelize if the scalar is used later An example loop is do i N 1 sit ee 1 gt 0 0 caca t 2 0 else t 30 endif w t enddo
183. inen nee 13 AS SE E E ORTA 13 DA e dd a 13 Us cia atraen a rain Arc na etre bole Ec arar A ec 13 Descniption Toenga llo leal inet 13 Relata aa 14 20 8 EE EE sein tid A E tel AEA ie are ae a AS ers 14 Delia A SEO A A A cee a eae a dunes 14 Us entire 14 Descriptor a a a aes lee he 14 Related OPS A ia 14 229 ON 14 Deal A A SN N A i eA 14 NN NON 14 DESC iii ai dt A tl e AC 14 Related OPIO a Saat Ga Cae his ano ieee Aw a eee atte ke hee 15 2 2 NO NN 15 NN 15 Dell oscura nner otek ns tala e dida ai beta TEn e ei OEA TEO aa 15 Unir ias 15 DOSCIIDUON lll ola cd cups tl lll rolando da erat 15 Related Options iio dd Aina i eee 16 LL UM tara A rea rai 16 Default RN Description Related OPM Si A O 16 2212 ido 16 Deal voii ias is Nido 16 AO 16 De do 16 Related Opos tr a a a a sank loud man 16 NS NO 17 PVF Reference Guide iii Us ici hates eed nite ea ao Mine ens athe eee 17 DeSCriDUON NN viele a dea wen eee 17 Related Op cca kw che teal ee Del Need Rd aad ten dal i ee ida taeda dene dd estes 17 2D NASP O SE EET 17 Deli Said aia ainda daira aided ed 17 USaQ Cite EE A dead deed aie nn Adan sie adit en A earned aie th nan Adan viel adit niin annotate 17 D SCriIDUON ane e na ES 17 Related PIAR ian ent elo id Ionia ttt 17 LINDAS do ii A nba wns EE A a nae abun bi EA 18 Detault viii ii O ave aa clin ne 18 Us denota aldo da ad nada al lo da ad intra N O dain 18 De ll e bit esela 18 Related Options a na a a a n ria ii 18 DDN Ot STASI
184. ing program is executed a profile feedback trace file pgfi out is generated in the current working directory For more information refer to Mpfo Compiling and linking with Mp f i adds significant runtime overhead to almost any executable You should use executables compiled with Mp f i only for execution of training runs Mpfo indirect nolayout Enable profile feedback optimizations requires the presence of a pgfi out profile feedback trace file in the current working directory For more information refer to Mpfi indirect enable indirect function call inlining nolayout disable dynamic code layout Mpre Enables partial redundancy elimination Mprefetch option option enables generation of prefetch instructions on processors where they are supported Possible values for option include d m set the fetch ahead distance for prefetch instructions to m cache lines n p set the maximum number of prefetch instructions to generate for a given loop to p nta use the prefetch instruction plain use the prefetch instruction default t0 use the prefetcht0 instruction w use the AMD specific prefetchw instruction Mnoprefetch Disables generation of prefetch instructions M no propcond Enables or disables constant propagation from assertions derived from equality conditionals The default is enabled PVF Reference Guide 74 Command Line Options Reference Mr8 The compiler promotes REAL variables and
185. ints informational messages regarding optimization and code Miscellaneous generation to standard output as compilation proceeds inform Specifies the minimum level of error severity that the compiler Miscellaneous displays noJiomutex Determines whether critical sections are generated around Fortran l Fortran Language O calls oa Invokes interprocedural analysis and optimization Optimization Instructs the compiler to keep the assembly file largeaddressaware Win64 only Generates code that allows for addresses greater than Code Generation 2GB using RIP relative addressing noJlarge_arrays Enables support for 64 bit indexing and single static data objects of Code Generation size larger than 2GB Specifies whether the compiler creates a listing file no loop32 Aligns does not align innermost loops on 32 byte boundaries with Code Generation tp barcelona Enable disable loop carried redundancy elimination Optimization makedll Generate a dynamic link library DLL makeimplib Passes the def switch to the librarian without a deffile wnen used Miscellaneous without def def fil Link to MPI libraries MPICH SGI or Microsoft MPI libraries Code Generation neginfo Instructs the compiler to produce information on why certain Miscellaneous optimizations are not performed noframe Eliminates operations that set up a true stack frame pointer for Optimization functions Determines how the compiler treats IN
186. ion using SIMD 128 bit instructions and data by adding the Mvect simd 128 switch to the PVF compilation line gt Vectorize using 256 bit SIMD instructions Enables vectorization using SIMD 256 bit instructions and data by adding the Mvect simd 256 switch to the PVF compilation line For more information on Mvect refer to Optimization Controls 5 9 4 Inlining Use this property to enable inlining of certain subprograms Setting this property to Yes adds the Minline switch to the compilation command line For more information on Minline refer to Minline option option 5 5 5 Use Frame Pointer Use this property to specify whether to generate code that uses a frame pointer Setting this property to Yes adds the Mf rame switch to the compilation command line and PVF compilers generate code that uses a frame pointer Setting this property to No the default adds the Mno frame switch to the compilation command line and PVF compilers generate code that does not use frame pointers For more information on Mf rame refer to Optimization Controls 5 9 6 Loop Unroll Count Use this property to select the appropriate value for unrolling Loop unrolling is a common optimization This property allows you to specify unrolling by two or four Using this option adds the Munro11 option to the compilation line For more information on Munro11 refer to Optimization Controls 5 5 7 Auto Parallelization Use t
187. irective SUMMALY cccesesessesesesesesesesnseessesnseesessnseesatsnseesassnceteatsnseesetsnsetsetsnteteetenees 84 3 1 1 altcode MOaltCOdE esessecsessesseseesueesesseesesseesessessessecsesesssnsescsncesssneeatsnsesesusesesusesesaeesneensansensaneeesanseesenseateneees 85 SUZ ASSOC NDA Chicco lona sheave pant aaa peeve ERA OEE 86 Sd bounds MODOUNGS aint 86 3 1 4 CNC pele 101 POQOO0POON U O05 N D e aa ei a a eai aniani 86 IO concur NOCONCUNi ee ie ae 86 Sk6depehk Node iia A 86 IM COVONK MOEQVCNK vicio T ds 87 31 0 MVA Ni Ue 87 O RN 87 Sel a e I N A S E IA A tidcdos 87 FA OP O 87 S112 a UNAS 87 O A 88 AMA Dra AAA As 89 A A ere aeererereteererieree cre tterereteg Werrereerrreerererrnericen ete teeretrese tereyrersecerseretserianrerrertertr eter 89 3 116 vacior MOVE aviaci n 89 Sel VIN MOVIN ioana indian ie iia iid bine aia eadinndin ied iata bee 90 3 2 Prefetch Directives and PragMmas omita A E E E NA EG 90 3s IGNORE TKR Directive voii ARRE 90 3 3 1 IGNORE_TKR Directive Syntax cseescssecesssneesesesneeessssneesssesnseessssnseesaesnseseaesnsecsaesneessasenseseaneneessaneneeseaneneeses 90 3 3 2 IGNORE_TKR Directive Format Requirement ccccccccsesesseseseseesesseseeceeesessseeeeseeesnseseeeeeeeateneaseeeeeetaneees 90 3 3 3 Sample Usage of IGNORE_TKR Directive ccseeeseseeeeesneecesesneeeesseneeeeseeneeesneeneeseasenseseatensetsatenseteaneneeses 91 OA DEG DINGHY ES cece A 91
188. irectories dialog box PVF Reference Guide 150 PVF Properties Enter each directory on its own line in this box Do not use semi colons to separate directories the semi colons are added automatically when the box is closed gt Tip To add directories use this property To add libraries use the Additional Dependencies property 5 23 3 Additional Dependencies Use this property to specify additional dependencies such as libraries to the link line There are two ways to add libraries to this property gt Type the information directly into the property page box Use spaces not semi colons to separate multiple libraries If the name of a library contains a space use double quotes around that library name gt Click the ellipsis button in the property page box to open the Additional Dependencies dialog box Enter each library on its own line in this box If you enter two libraries on the same line in this box PVF interprets these as a single library whose name contains spaces Tip When you close this dialog box review the contents of the property to make sure that any spaces or double quotes automatically added by PVF are appropriate for your project 9 24 Librarian Command Line The following properties are available from the Librarian Command Line property page 5 24 1 Command Line This property page contains two boxes gt The first box titled All options is a read only description of what t
189. is property to Yes adds the Mcuda keepptx switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls 5 8 31 CUDA Fortran Keep PTXAS Use this property to show PTXAS informational messages during compilation Setting this property to Yes adds the Mcuda ptxinfo switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls 5 8 32 CUDA Fortran Generate RDC Use this property to generate relocatable device code Mcuda rdc Setting this property to Yes adds the Mcuda rdc switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls PVF Reference Guide 130 PVF Properties 5 8 33 CUDA Fortran Emulation When Enable CUDA Fortran is set to Yes use this property to enable CUDA Fortran emulation mode Setting this property to Yes adds the Mcuda emu switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls 5 8 34 CUDA Fortran Madconst When Enable CUDA Fortran is set to Yes use this property to control putting module array descriptors in CUDA constant memory Setting this property to Yes adds the Mcuda madconst switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls 5 9 Fortran Floating Point Options The following properties are available from the For
190. itch to the compilation line 5 14 14 Parallelization Information Use this property to generate information about parallel optimizations Setting this property to Yes adds the Minfo par switch to the compilation line 5 14 15 Unified Binary Information Use this property to generate information specific to the PGI Unified Binary Setting this property to Yes adds the Minfo unified switch to the compilation line 5 14 16 Vectorization Information Use this property to generate vectorization information Setting this property to Yes adds the Minfo vect switch to the compilation line 5 15 Line Level Profiling The following properties are available from the Line Level Profiling Property page so a run can be profiled with the PGI profiler PGPROF Once your application is built running it generates one or more pgprof out files PGPROF is included with PVF You launch it from the Start menu via Start All Programs PGI Visual Fortran Profiler PGPROF Performance Profiler or from the Start screen using the PGPROF icon For specific PGPROF documentation launch PGPROF and open the documentation available from the PGPROF Help menu For more information on the Mprof option refer to Code Generation Controls PVF Reference Guide 145 PVF Properties 5 15 1 Function Level Profiling Use this property to generate code instrumented for function level profiling Setting this property to Yes adds the Mprof func sw
191. itch to the compiling and linking lines For more information on Mprof func refer to Code Generation Controls 5 15 2 Line Level Profiling Use this property to generate code instrumented for line level profiling Setting this property to Yes adds the Mprof lines switch to the compiling and linking lines For more information on Mprof lines refer to Code Generation Controls 5 15 3 MPI Use this property to access profiled MPI communication libraries You must use this property in conjunction with function level or line level profiling Be certain to set one of these properties to Yes Setting this property to Microsoft MPI adds the Mprof msmpi switch to the PVF compiling and linking lines 5 15 4 Suppress CCFF Information Use this property to suppress profiling s default generation of CCFF information Setting this property to Yes adds the Mprof noccff switch to the compiling and linking lines 5 15 5 Enable Limited DWARF Use this property to generate limited DWARF information which can be used with performance profilers Setting this property to Yes adds the Mprof dwarf switch to the compiling and linking lines 5 16 Fortran Runtime The following properties are available from the Fortran Runtime property page to allow the application to make additional checks at runtime 5 16 1 Check Array Bounds Use this property to enable array bounds checking at runtime Setting this property to Yes adds th
192. k ShowOwnedPopups ShowWindowAsync SwitchDesktop TabbedTextOut ToAsciiEx TrackMouseEvent TranslateAccelerator UnhookWindowsHook UnionRect UnregisterDeviceNotification UpdateLayeredWindowIndirect ValidateRect VkKeyScanEx WindowFromDC wsprintf 7 5 9 winver SetUserObjectSecurity SetWindowLongPtr SetWindowRgn SetWindowText ShowCaret ShowScrollBar SubtractRect SwitchToThisWindow TileWindows ToUnicode TrackPopupMenu TranslateMDISysAccel UnhookWindowsHookEx UnloadKeyboardLayout UnregisterHotKey UpdateWindow ValidateRgn WaitForInputldle WindowFromPoint wvsprintf These are the functions that winver includes GetFileVersioninfo GetFileVersionInfoSize 7 5 10 wsock32 VerFindFile VerlnstallFile These are the functions that wsock32 includes accept closesocket getpeername getprotobynumber getsockname htons ioctlsocket ntohs send PVF Reference Guide AcceptEx connect gethostname getservbyname getsockopt inet_addr listen recy sendto Fortran Module Library Interfaces for Windows SetWindowContextHelpld SetWindowPlacement SetWindowsHook SetWindowWord ShowCursor ShowWindow SwapMouseButton SystemParametersInfo ToAscii ToUnicodeEx TrackPopupMenuEx TranslateMessage UnhookWinEvent UnregisterClass UpdateLayeredWindow UserHandleGrantAccess VkKeyScan WaitMessage WinHelp VerLanguageName VerQueryValue bind GetAcceptExSockaddrs getprotobyname getservbyport htonl ine
193. ks refer to the tables in the beginning of this section 2 2 1 Displays the invocations of the compiler assembler and linker Default The compiler does not display individual phase invocations Usage The following command line requests verbose invocation information pgfortran prog f Description The option displays the invocations of the compiler assembler and linker These invocations are command lines created by the driver from your command line input and the default value Related options Minfo option option V release_number v 2 2 2 HHH Displays the invocations of the compiler assembler and linker but does not execute them Default The compiler does not display individual phase invocations Usage The following command line requests verbose invocation information pgfortran myprog f Description Use the option to display the invocations of the compiler assembler and linker but not to execute them These invocations are command lines created by the compiler driver from thercfiles and the command line options PVF Reference Guide 9 Command Line Options Reference Related options dryrun Minfo option option V release_number 2 2 3 acc Enables OpenACC directives Default The compiler enables OpenACC directives Syntax acc no autopar no required strict verystrict noJautopar Enable default loop
194. l properties CUDA Fortran Register Limit CUDA Fortran Use Fused Multiply Adds PVF Reference Guide 125 PVF Properties CUDA Fortran Use Fast Math Library CUDA Fortran Debug CUDA Fortran Line Information CUDA Fortran Use LLVM Back End CUDA Fortran Unroll CUDA Fortran Flush to Zero CUDA Fortran Toolkit CUDA Fortran Compute Capability CUDA Fortran Keep Binary CUDA Fortran Keep Kernel Source CUDA Fortran Keep PTX CUDA Fortran Keep PTXAS CUDA Fortran Generate RDC CUDA Fortran Emulation CUDA Fortran Madconst Important If you select Yes and the additional properties do not appear click Apply in the Property page dialog For more information on Mcuda refer to Optimization Controls 5 8 14 CUDA Fortran Register Limit When Enable CUDA Fortran is set to Yes use this property to specify the number of registers to use on the GPU Setting this property to an integer value n adds the Mcuda maxregcount n switch to the PVF compilation and link lines Leaving this property blank indicates no limit to the number of registers to use on the GPU For more information on Mcuda refer to Optimization Controls 5 8 15 CUDA Fortran Use Fused Multiply Adds When Enable CUDA Fortran is set to Yes use this property to control the generation of fused multiply add FMA instructions Default Allows the compiler to control generation of FMA instructions This selection adds no additional sub options to Mcuda
195. lag gt option that controls function inlining Each option has a description and if appropriate a list of any related options M no autoinline option option instructs the compiler to inline not to inline a C C function at O2 where the option can be any of these levels n instructs the compiler to perform n levels of inlining The default number of levels is 10 maxsize n instructs the compiler not to inline functions of size gt n The default size is 100 totalsize n instructs the compiler to stop inlining when the size equals n The default size is 800 Mextract option option Extracts functions from the file indicated on the command line and creates or appends to the specified extract directory where option can be any of the following name func instructs the extractor to extract function func from the file PVF Reference Guide 66 Command Line Options Reference size number instructs the extractor to extract functions with number or fewer statements from the file lib filename ext instructs the extractor to use directory filename ext as the extract directory which is required to save and re use inline libraries If you specify both name and size the compiler extracts functions that match func or that have number or fewer statements For examples of extracting functions refer to the Using Function Inlining section of the PGI Visual Fortran User s Guide Minlinel option option instruct
196. le since an INTEGER 2 aligns on a 2 byte boundary the offset of an INTEGER 2 member from the beginning of a structure is a multiple of two bytes PVF Reference Guide 3 Fortran Data Types 1 1 3 Fortran 90 Aggregate Data Types Derived Types The Fortran 90 standard added formal support for aggregate data types The TYPE statement begins a derived type data specification or declares variables of a specified user defined type For example the following would define a derived type ATTENDEE TYPE ATTENDEE CHARACTER LEN 30 NAME CHARACTER LEN 30 ORGANIZATION CHARACTER LEN 30 EMAIL END TYPE ATTENDEE In order to declare a variable of type ATTENDEE and access the contents of such a variable code such as the following would be used MBE ATTE NDE E ATTLIST 100 ATTLIST 1 NAI PVF Reference Guide E JOHN DOE Chapter 2 COMMAND LINE OPTIONS REFERENCE A command line option allows you to specify specific behavior when a program is compiled and linked Compiler options perform a variety of functions such as setting compiler characteristics describing the object code to be produced controlling the diagnostic messages emitted and performing some preprocessor functions Most options that are not explicitly set take the default settings This reference section describes the syntax and operation of each compiler option For easy refere
197. le underflow traps PVF Reference Guide 24 Command Line Options Reference trap option Controls the behavior of the processor when floating point exceptions occur option Possible options include fp align ignored inv denorm divz ovt unf inexact Usage In the following example the compiler performs floating point operations in strict conformance with the IEEE 754 standard pgfortran Kieee myprog f Description Use K to instruct the compiler to provide special compilation semantics Ktrapis only processed by the compilers when compiling main functions or programs The options inv denorm divz ovf unf and inexact correspond to the processor s exception mask bits invalid operation denormalized operand divide by zero overflow underflow and precision respectively Normally the processor s exception mask bits areon meaning that floating point exceptions are masked the processor recovers from the exceptions and continues If a floating point exception occurs and its corresponding mask bit isoff or unmasked execution terminates with an arithmetic exception C s SIGFPE signal Ktrap fp is equivalent to Ktrap inv divz ovf To set this option in PVF use the Fortran Floating Point Options Floating Point Exception Handling property described in Floating Point Exception Handling The PGI compilers do not support exception free execution for Kt rap inexact The purpose o
198. led function simply performs the inline expansion using the function call as a wrapper to sin has the effect of trimming the argument precision down to the expected size Using the Mnobuiltin option on the command line for C accomplishes this task by resolving all math routines in the library 1ibm performing a function call of necessity The other method of generating a function call for math routines but one that may still produce the inline instructions is by using the Kieee switch PVF Reference Guide 39 Command Line Options Reference A second example illustrates the precision control problem using a section of code to determine machine precision program find precision w 1 0 100 w w w y w 1 Z y w ae 4 Qs 0 goro LOW C now w is just big enough that w 1 w 1 gt 1 pete end In this case where the variables are implicitly real 4 operations are performed on the floating point stack where optimization removes unnecessary loads and stores from memory The general case of copy propagation being performed follows this pattern Gl Bh Y Zo a e Instead of storing x into a then loading a to perform the addition the value of x can be left on the floating point stack and added to 2 0 Thus memory accesses in some cases can be avoided leaving answers in the extended real format If copy propagation is disabled stores of all left hand sides will be performed automatically and reloaded when needed This will have
199. ler Related options None PVF Reference Guide 16 Command Line Options Reference 2 2 13 E Halts the compilation process after the preprocessing phase and displays the preprocessed output on the standard output Default The compiler produces an executable file Usage In the following example the compiler displays the preprocessedmyprog fon the standard output pgfortran E myprog f Description Use the E option to halt the compilation process after the preprocessing phase and display the preprocessed output on the standard output Related options C c Mkeepasm o F S 2 2 14 F Stops compilation after the preprocessing phase Default The compiler produces an executable file Usage In the following example the compiler produces the preprocessed file myprog fin the current directory pgfortran F myprog F Description Use the F option to halt the compilation process after preprocessing and write the preprocessed output to a file If the input file is filename F then the output file is filename f Related options c E Mkeepasm o S PVF Reference Guide 17 Command Line Options Reference 2 2 15 fast Enables vectorization with SSE instructions cache alignment and flushz for 64 bit targets Default The compiler enables vectorization with SSE instructions cache alignment and flushz Usage In the following example the compiler produ
200. lists and briefly describes the options alphabetically and includes a field showing the category For more details about the options as they relate to these categories refer to M Options by Category on page 113 Table 10 M Options Summary Description Category allocatable 95 03 Controls whether to use Fortran 95 or Fortran 2003 semantics in Fortran Language allocatable array assignments amo Annotate the assembly code with source code noJautoinline When a C C function is declared with the inline keyword inline it at 02 no backslash Determines how the backslash character is treated in quoted strings Fortran Language no bounds Specifies whether array bounds checking is enabled or disabled byteswapio Swap byte order big endian to little endian or vice versa during I O Miscellaneous of Fortran unformatted data cache_align Where possible align data objects of size greater than or equal to 16 Optimization bytes on cache line boundaries chkfpstk Check for internal consistency of the x87 FP stack in the prologue of Miscellaneous a function and after returning from a function or subroutine call tp px p5 p6 piii targets only chkptr Check for NULL pointers pgf95 pgfortran only PVF Reference Guide 29 Command Line Options Reference Description Category Check the stack for available space upon entry to and before the Miscellaneous start of a parallel region Useful when many private variables
201. lternate code generation for vectorized loops assoc Instructs the vectorizer to enable certain associativity conversions that can change the results of a computation due to roundoff error A typical optimization is to change an arithmetic operation to an arithmetic operation that is mathematically correct but can be computationally different due to round off error noassoc Instructs the vectorizer to disable associativity conversions cachesize n Instructs the vectorizer when performing cache tiling optimizations to assume a cache size of n The default is set per processor type either using the tp switch or auto detected from the host computer no gather Instructs the vectorizer to vectorize loops containing indirect array references such as this one sum 0 d0 cla Clare sum sum a k b c k enddo The default is gather partial Instructs the vectorizer to enable partial loop vectorization through innermost loop distribution prefetch Instructs the vectorizer to search for vectorizable loops and wherever possible make use of prefetch instructions no short Instructs the vectorizer to enable disable short vector operations Mvect short enables generation of packed SSE instructions for short vector operations that arise from scalar code outside of loops or within the body of a loop iteration no sizelimit Instructs the vectorizer to generate vector code for all loops where possible regardless of the numbe
202. mation directly into the property page box Use a semi colon to separate each definition For example DEF1 DEF2 undefines DEFI and DEF2 gt Click the ellipsis button in the property page box to open the Undefine Preprocessor Definitions dialog box Enter each definition on its own line in this box Do not use semi colons to separate definitions the semi colons are added automatically when the box is closed For more information on U lt definition gt refer to U 5 7 Fortran Code Generation The following properties are available from the Fortran Code Generation property page 5 7 1 Runtime Library Use this property to specify the type of runtime libraries to use during linking Default Depends on the project gt For executable and static library projects multi threaded static libraries Using this option adds the Bstatic option to the compilation line This choice corresponds to Microsoft s MT compilation option For more information on Bstatic refer to Bstatic gt For dynamic link library projects multi threaded DLL libraries Using this option adds the Bdynamic option to the compilation line This choice corresponds to Microsoft s MD compilation option PVF Reference Guide 122 PVF Properties For more information on Bdynamic refer to Bdynamic It is important to keep the type of runtime libraries consistent within a solution PVF projects
203. me Environment Table 21 Register Allocation for Example A 4 General Purpose Registers Floating Point Registers Stack Frame Offset Implementing a Stack In general compilers and programmers must maintain a software stack The stack pointer register Yorsp is set by the operating system for the application when the program is started The stack must grow downwards from high addresses A separate frame pointer enables calls to routines that change the stack pointer to allocate space on the stack at run time e g alloca Some languages can also return values from a routine allocated on stack space below the original top of stack pointer Such a routine prevents the calling function from using rsp relative addressing to get at values on the stack If the compiler does not call routines that leave rsp in an altered state when they return a frame pointer is not needed and is not used if the compiler option Mno frame is specified The stack must always be 16 byte aligned except within the prolog and within leaf functions Variable Length Parameter Lists Parameter passing in registers can handle a variable number of parameters The C language uses a special method to access variable count parameters The stdarg h and varargs h files define several functions to access these parameters A C routine with variable parameters must use the va_ start macro to set up a data structure before the parameters can be used The va_arg macro must be used
204. ment is a POINTER but actual argument is not The dummy argument is a pointer so the actual argument must be also W364 Array or array expression passed to scalar dummy argument The actual argument is an array but the dummy argument is a scalar variable W365 Scalar or scalar expression passed to array dummy argument The actual argument is a scalar variable but the dummy argument is an array F366 Internal error interprocedural analysis fails An internal error occurred during interprocedural analysis please report this to the compiler maintenance group If user errors were reported when collecting IPA information or during IPA analysis correcting them may avoid this error 1367 Array bounds cannot be matched to formal argument Passing a nonsequential array to a sequential dummy argument may require copying the array to sequential storage The most common cause is passing an ALLOCATABLE array or array expression to a dummy argument that is declared with explicit bounds Declaring the dummy argument as assumed shape with bounds will remove this warning W368 Array valued expression passed to scalar dummy argument The actual argument is an array valued expression but the dummy argument is a scalar variable W369 Dummy argument has different rank than actual argument PVF Reference Guide 208 Messages The actual argument is an array or array valued expression with a different rank than the du
205. mization property page 5 5 1 Optimization Use this property to select the overall code optimization This property can be set to one of the following values gt No Optimization the default value for Debug configurations gt Maximize Speed the default value for Release Configurations gt Maximize Speed Across the Whole Program cy This property is also available from the Fortran General Property page 5 9 2 Global Optimizations Use this property to set the compiler s global optimization level Setting this property adds one of the O options to the compilation line For more information on O refer to O lt level gt 5 5 3 Vectorization Use this property to specify the type of vectorization to perform The PVF compilers use the Mvect options to vectorize code that is vectorizable Select the appropriate vectorization from these options PVF Reference Guide 119 PVF Properties gt Default Accepts the default vectorization gt Enable Vectorization Enables vectorization by adding the Mvect switch to the PVF compilation and link lines gt Vectorize using SSE instructions Enables vectorization using SSE instructions by adding the Mvect sse switch to the PVF compilation line gt Vectorize using SIMD instructions Enables vectorization using SIMD instructions and data by adding the Mvect simd switch to the PVF compilation line gt Vectorize using 128 bit SIMD instructions Enables vectorizat
206. mmand line Related options dryrun Minfo option option V release_number W 2 2 57 W Passes arguments to a specific phase Syntax SITO a L opcional ootia o You cannot have a space between the W and the single letter pass identifier between the identifier and the comma or between the comma and the option the number zero specifies the compiler specifies the assembler lowercase letter 1 specifies the linker option is a string that is passed to and interpreted by the compiler assembler or linker Options separated by commas are passed as separate command line arguments Usage In the following example the linker loads the text segment at addressO xf c00000Oand the data segment at address Oxf fe00000 S pgfortran W1 k t 0xffc00000 d Oxffe00000 myprog f Description Use this option to pass arguments to a specific phase You can use the W option to specify options for the assembler compiler or linker PVF Reference Guide 56 Command Line Options Reference A given PGI compiler command invokes the compiler driver which parses the command line and generates the appropriate commands for the compiler assembler and linker Related options Minfo option option V release_number v 2 2 58 W Do not print warning messages Default The compiler prints warning messages Usage In the following example no warning messages are printed S pgfortran
207. mmy argument W370 Dummy argument has different shape than actual argument The actual argument is an array or array valued expression with a different shape than the dummy argument this may require copying the actual argument into sequential storage W371 Dummy argument is INTENT IN but may be modified The dummy argument was declared as INTENT IN but analysis has found that the argument may be modified the INTENT IN declaration should be changed W372 Cannot propagate alignment from to The most common cause is when passing an array with an inherited alignment to a dummy argument with non inherited alignment 1373 Cannot propagate distribution format from to The most common cause is when passing an array with a transcriptive distribution format to a dummy argument with prescriptive or descriptive distribution format 1374 Cannot propagate distribution target from to The most common cause is when passing an array with a transcriptive distribution target to a dummy argument with prescriptive or descriptive distribution target 1375 Distribution format mismatch between and Usually this arises when the actual and dummy arguments are distributed in different dimensions 1376 Alignment stride mismatch between and This may arise when the actual argument has a different stride in its alignment to its template than does the dummy argument 1377 Alignment offset mismatc
208. mmy argument arrays may not be aligned with arrays that have the ALLOCATABLE attribute since the allocatable alignee may not be allocated E494 COMMON arrays may not be aligned with dummy argument arrays An array in a COMMON block may not specify an alignment with a dummy argument array W495 The SHADOW directive for CYCLIC distributed dimensions is ignored A shadow boundary specified for array dimensions that are distributed with the CYCLIC distribution is ignored 1496 A of an unused template is eliminated The HPF executable REDISTRIBUTE or REALIGN directive appeared specifying an HPF TEMPLATE that is not used the REDISTRIBUTE or REALIGN is eliminated E497 EXTRINSIC F77 LOCAL does not support distributed symbols of this datatype This HPF implementation does not support distributed symbols of character or derived type in EXTRINSIC F77_LOCAL subprograms E498 Alignment cycle involving two or more arguments This dummy argument appears in an HPF ALIGN directive specifying alignment to another dummy argument that is then aligned to this argument or aligned to another dummy argument that is eventually aligned to this argument W499 The descriptive distribution or alignment for this dummy argument is treated as prescriptive Even though the distribution or alignment for this dummy argument was specified as descriptive it is treated as prescriptive E500 MODULE use
209. mpute Capability Tesla Keep Kernel Files Important If you change the value of this property and the displayed properties do not change be sure to click Apply in the property page dialog box PVF Reference Guide 136 PVF Properties 5 13 2 Tesla Register Limit Use this property to specify the number of registers to use on the GPU Setting this property to an integer value n adds the ta tesla maxregcount n switch to the PVF compilation and link lines Leaving this property blank indicates no limit to the number of registers to use on the GPU 5 13 3 Tesla Use Fused Multiply Adds When Target NVIDIA Tesla is set to Yes use this property to control the generation of fused multiply add FMA instructions gt Default Allows the compiler to control generation of FMA instructions This selection adds no additional sub options to ta tesla gt Yes Enables generation of FMA instructions by adding ta tesla fma to the PVF compilation and link lines gt No Disables generation of FMA instructions by adding ta tesla nofma to the PVF compilation and link lines 5 13 4 Tesla Use Fast Math Library When Target NVIDIA Tesla is set to Yes use this property to use routines from the fast math library Setting this property to Yes adds the ta tesla fastmath switch to the PVF compilation and link lines 9 13 5 Tesla LLVM When Target NVIDIA Tesla is set to Yes use this property to control using of LLVM back end Set
210. n on their use of registers Moreover if a signal handling function returns the process resumes its original execution path with registers restored to their original values Thus programs and compilers may freely use all registers without danger of signal handlers changing their values 4 1 2 Function Return Values Functions Returning No Value Functions that do not return a value are also called procedures or void functions These functions put no particular value in any register Functions Returning Scalars gt A function that returns an integral or pointer value places its result in register eax gt A function that returns a long long integer value places its result in the registers edx and eax The most significant word is placed in edx and the least significant word is placed in peax gt A floating point return value appears on the top of the floating point stack The caller must then remove the value from the floating point stack even if it does not use the value Failure of either side to meet its obligations leads to undefined program behavior The standard calling sequence does not include any method to detect such failures nor to detect return value type mismatches Therefore the user must declare all functions properly There is no difference in the representation of single double or extended precision values in floating point registers gt A call instruction pushes the address of the next instruction the return
211. nables generation of GPU debug information by adding the ta tesla debug switch to the PVF compilation and link lines gt No Disables generation of GPU debug information by adding the ta tesla nodebug switch to the PVF compilation and link lines 5 13 10 Tesla Lineinfo When Target NVIDIA Tesla is set to Yes use this property to control generation of GPU line information gt Default Allows the compiler to control generation of GPU line information This select adds no additional sub options to ta tesla gt Yes Enables generation of GPU line information by adding the ta tesla lineinfo switch to the PVF compilation and link lines gt No Disables generation of GPU line information by adding the ta tesla nolineinfo switch to the PVF compilation and link lines 5 13 11 Tesla Unroll When Target NVIDIA Tesla is set to Yes use this property to control automatic inner loop unrolling gt Default Allows the compiler to control automatic inner loop unrolling This select adds no additional sub options to ta tesla gt Yes Enables automatic inner loop unrolling by adding the ta tesla unroll1 switch to the PVF compilation and link lines gt No Disables automatic inner loop unrolling by adding the ta tesla nounroll1 switch to the PVF compilation and link lines PVF Reference Guide 138 PVF Properties 5 13 12 Tesla Required When Target NVIDIA Tesla is set to Yes use this property to direct the comp
212. nce the options are arranged in alphabetical order For an overview and tips on options usage and which options are best for which tasks refer to the Using Command Line Options section of the PGI Visual Fortran User Guide which also provides summary tables of the different options This section uses the following notation item Square brackets indicate that the enclosed item is optional item item Braces indicate that you must select one and only one of the enclosed items A vertical bar I separates the choices Horizontal ellipses indicate that zero or more instances of the preceding item are valid 2 1 PGI Compiler Option Summary The following tables include all the PGI compiler options that are not language specific The options are separated by category for easier reference For a complete description of each option refer to the detailed information later in this section 2 1 1 Build Related PGI Options The options included in the following table pertain to the initial building of your program or application PVF Reference Guide Command Line Options Reference Table 5 PGI Build Related Compiler Options Option Description Display invocation information He Shows but does not execute the driver commands same as the option dryrun acc Enable OpenACC directives Compiles for and links to the shared object version of the PGI runtime libraries H Hit Stops after the assembly phase and sa
213. nce Guide 40 Command Line Options Reference 2 2 39 pedantic Prints warnings from included lt system header files gt Default The compiler prints the warnings from the included system header files Usage In the following example the compiler prints the warnings from the included system header files S pgfortran pedantic myprog f Related options None 2 2 40 pgc libs Instructs the compiler to append C runtime libraries to the link line for programs built using either PGF90 or PGF77 Default The C C compilers do not append the C runtime libraries to the link line Usage In the following example the C runtime libraries are linked with an object file compiled with pgf77 S pgf90 main f90 mycpp o pgc libs Description Use this option to instruct the compiler to append C runtime libraries to the link line for programs built using either PGF90 or PGF77 Related options pgf90libs pgf77libs 2 2 41 paf77libs Instructs the compiler to append PGF77 runtime libraries to the link line Default The C C compilers do not append the PGF77 runtime libraries to the link line PVF Reference Guide 41 Command Line Options Reference Usage In the following example a c main program is linked with an object file compiled with pgf77 S pgcc main c myf77 0 pgf77libs Description Use this option to instruct the compiler to append PGF77 runtime libraries to the link line Rela
214. ncountered with no preceding if or elif directive S939 Unmatched else A else directive was encountered with no preceding if or elif directive S940 Unmatched endif A endif directive was encountered with no preceding if ifdef or ifndef directive W941 Illegal token in directive A directive token contains a illegal character S942 Unterminated macro definition for A newline was encountered in the formal parameter list for the indicated macro S943 Unterminated string or character constant A newline with no preceding backslash was found in a quoted string 1944 Possible nested comment The characters were found within a comment F 1945 Redefining predefined macro E 1946 Undefining predefined macro PVF Reference Guide 223 W947 W948 F949 Messages Can t redefine predefined macro Can t undefine predefined macro error User defined preprocessor error message W950 W951 F952 W953 S954 S955 S956 W957 S959 S960 W961 W962 ident not followed by quoted string F Extraneous tokens ignored following directive Unexpected EOF following directive Unexpected ignored in if expression legal number in directive legal token in if expression Missing gt in include Arguments in macro are not unique directive occurs at
215. nd organizations will work together The conventions supported by the Fortran compiler implement the application binary interface ABI as defined in the AMD64 Software Conventions document 4 2 1 Function Calling Sequence This section describes the standard function calling sequence including the stack frame register usage and parameter passing Register Usage Conventions Table 19 defines the standard for register allocation The 64 bit AMD64 and Intel 64 architectures provide a number of registers All the general purpose registers XMM registers and x87 registers are global to all procedures in a running program PVF Reference Guide 101 Run time Environment Table 19 Register Allocation Type Name Purpose General return value register callee saved pass 1st argument to functions pass 2nd argument to functions stack pointer callee saved optional stack frame pointer callee saved callee saved pass 3rd argument to functions pass 4th argument to functions temporary registers used in syscall sysret instructions r12 115 callee saved registers pass 1st floating point argument return value register mn pass 2nd floating point argument mr pass 3rd floating point argument tems pass 4th floating point argument mmm temporary registers A xmm6 Yxmm15 callee saved registers In addition to the registers each function has a frame on the run time stack This stack grows downward from high addresses Table 20 shows
216. ndian or vice versa upon input output of Fortran unformatted data files Mchkfpstk 32 bit only instructs the compiler to check for internal consistency of the x87 floating point stack in the prologue of a function and after returning from a function or subroutine call Floating point stack corruption may occur in many ways one of which is Fortran code calling floating point functions as subroutines 1 e with the CALL statement gt Ifthe PGI CONTINUE environment variable is set upon execution of a program compiled with Mchkfpstk the stack will be automatically cleaned up and execution will continue There is a performance penalty associated with the stack cleanup PVF Reference Guide 78 Command Line Options Reference gt If PGI CONTINUE is set to verbose the stack will be automatically cleaned up and execution will continue after printing the warning message cy This switch is only valid for 32 bit On 64 bit it is ignored Mchkptr instructs the compiler to check for pointers that are dereferenced while initialized to NULL Mchkstk instructs the compiler to check the stack for available space in the prologue of a function and before the start of a parallel region Prints a warning message and aborts the program gracefully if stack space is insufficient This option is useful when many local and private variables are declared in an OpenMP program If the user also sets the PGI STA
217. ndow DeferWindowPos DefRawInputProc DeregisterShellHookWindow DestroyCursor DestroyWindow DialogBoxParam2 DlgDirList DigDirSelectEx DrawAnimatedRects DrawFocusRect DrawlconIndirect DrawText EnableMenultem EndDeferWindowPos EndPaint EnumClipboardFormats EnumDisplayDevices EnumDisplaySettingsEx EnumThreadWindows EqualRect FillRect FlashWindow GetActiveWindow GetAsyncKeyState GetCaretPos GetClassLong GetClassWord GetClipboardFormatName GetClipboardViewer GetCursor GetDC GetDialogBaseUnits GetDlgltemint GetFocus GetGUIThreadInfo GetKBCodePage GetKeyboardLayoutName PVF Reference Guide CreateWindowEx DefFrameProc DefWindowProc DestroyAcceleratorTable Destroylcon DialogBoxIndirectParam DisableProcessWindowsGhosting DigDirListComboBox DragDetect DrawCaption DrawFrameControl DrawMenuBar DrawTextEx EnableScrollBar EndDialog EndTask EnumDesktops EnumDisplayMonitors EnumProps EnumWindows ExcludeUpdateRgn FindWindow FlashWindowEx GetAltTabInfo GetCapture GetClassInfo GetClassLongPtr GetClientRect GetClipboardOwner GetClipCursor GetCursorlnfo GetDCEx GetDIgCtrIID GetDlgltemText GetForegroundWindow GetlconInfo GetKeyboardLayout GetKeyboardState Fortran Module Library Interfaces for Windows CreateWindowStation DefMDIChildProc DeleteMenu DestroyCaret DestroyMenu DialogBoxParam1 DispatchMessage DigDirSelectComboBoxEx DragObject DrawEdge Drawlcon DrawState EmptyClipboard EnableWindow EndM
218. neneeeeans 131 SAT Floating Point Exception H add otitis 131 5 9 2 Floating Point Consistencia a EA E aA E A 131 5 9 3 Flush Denormalized Results to ZOr0 cesceseeseeeeeesesseseeseeseeeesesseeeeseeseeseseeseeessneseeessneseeesseeseeessneaseessneaeeesaeess 131 5 9 4 Treat Denormalized Values aS ZL0 cesecseseeseeeseeseeseeeeseeseeeseeseeesseeeeeesseeseeessneeeesseeseeesseeaeessntaseesseeneeesseees 132 0 IEEE Mead E A E E dau nasal dh E EN 132 S10 Fonran ExternalProcedures uti 132 5 101 Calling CON Mia 132 5 10 2 String Length Argumen Sare te aa iA EER 132 S10 a Case DiE Kemal NaNe Sea a n E S N E E A E EEN N UES 133 911 Fortran Libra ir vee clined suena a cveva dd de NENE ENN 133 ST Us ACM RA A 133 STk Use MS ii diosas 133 SS Us MAL ai 133 9 12 Fortran Target PTOCOSSONS miii a e eked tba niente 134 9124 AMD Al A i 134 512 2JAMD Barcelona O A EN A E A NN 134 951233 AMD BulldoZe ii A o A 134 5 124 AMD Istanbul iannis ave tia ied ne aban davai ats 134 MAO AMD PIGGIVER thane teehee tans ae teh GaN tte Oke hr Gan eat Cave hate a na 135 12 6 AMD Shanghaliticircd ido phd ate aud ate als 135 ALE Intel Cone 2 aiicwnire sein eannan a SA a wanes 135 5 12 82 Intel CORT NOAA 135 912 9 Intel Pe Mic nh tenia wile te when ninia bss eins bd 135 5 12 10 Intel Pentin A iieiea eiai ea eiaa aaee a aaie aner ea aeia en eiai ae 135 51211 intel Sandy Bridge iii i dido 135 5 12 12 Generic X86 TWINZZ OMV kede nnne aa a e li
219. neva 1997 Fortran 95 gt ISO IEC 1539 1 2004 Information technology Programming Languages Fortran Geneva 2004 Fortran 2003 PVF Reference Guide xviii Preface gt ISO IEC 1539 1 2010 Information technology Programming Languages Fortran Geneva 2010 Fortran 2008 gt Fortran 95 Handbook Complete ISO ANSI Reference Adams et al The MIT Press Cambridge Mass 1997 gt The Fortran 2003 Handbook Adams et al Springer 2009 gt OpenMP Application Program Interface Version 3 1 July 2011 http www openmp org gt Programming in VAX Fortran Version 4 0 Digital Equipment Corporation September 1984 gt IBM VS Fortran IBM Corporation Rev GC26 4119 gt Military Standard Fortran DOD Supplement to American National Standard Programming Language Fortran ANSI x 3 1978 MIL STD 1753 November 9 1978 gt ISO IEC 9899 2011 Information Technology Programming Languages C Geneva 2011 C11 gt ISO IEC 14882 2011 Information Technology Programming Languages C Geneva 2011 C 11 Organization Users typically begin by wanting to know how to use a product and often then find that they need more information and facts about specific areas of the product Knowing how as well as why you might use certain options or perform certain tasks is key to using the PGI compilers and tools effectively and efficiently However once you have this knowledge and understanding you very likel
220. ng IPA information F345 Internal error in table overflow Analysis failed due to a table overflowing its maximum size W346 Subprogram appears twice The subprogram appears twice in the same source file IPA will ignore the first appearance F347 Missing ipalib option Interprocedural analysis enabled with the ipacollect ipaanalyze or ipapropagate options requires the ipalib option to specify the library directory W348 Common S S has different distribution target The array was declared in a common block with a different distribution target in another subprogram W349 Common has different distribution format The array was declared in a common block with a different distribution format in another subprogram W350 Common has different alignment The array was declared in a common block with a different alignment in another subprogram W351 Wrong number of arguments passed to The subroutine or function statement for the given subprogram has a different number of dummy arguments than appear in the call W352 Wrong number of arguments passed to when bound to The subroutine or function statement for the given subprogram has a different number of dummy arguments than appear in the call to the EXTERNAL name given W353 Subprogram is missing A call to a subroutine or function with this name appears but it could not be found or analyzed 1354 Subprogram is n
221. nrol11 switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls 5 8 21 CUDA Fortran Flush to Zero When Enable CUDA Fortran is set to Yes use this property to control flush to zero mode for floating point computations on in GPU code generated for CUDA Fortran kernels gt Default Accepts the default handling of floating point computations in the GPU code generated for CUDA Fortran kernels gt Yes Enables flush to zero mode by adding the Mcuda flushz switch to the PVF compilation and link lines gt No Disables flush to zero mode by adding the Mcuda noflushz switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls 5 8 22 CUDA Fortran Toolkit When Enable CUDA Fortran is set to Yes use this property to specify the version of the CUDA toolkit that is targeted by the compilers gt Default The compiler selects the default CUDA toolkit version gt 6 5 Use the default version 6 5 of the CUDA toolkit This selection adds the Mcuda cuda 6 5 switch to the PVF compilation and link lines gt 7 0 Use version 7 0 of the CUDA toolkit This selection adds the Mcuda cuda7 0 switch to the PVF compilation and link lines pgaccelinfo prints the driver version as the first line of output Fora6 5driver CUDA Driver Version 6050 For a 7 0 driver CUDA Driver Version 7000 For more information on Mcuda refe
222. ns Xs and Xs t include Mwritable_strings PVF Reference Guide 83 Chapter 3 DIRECTIVES REFERENCE PGI Fortran compilers support proprietary directives These directives override corresponding command line options For usage information such as the scope and related command line options refer to the PGI Compiler User s Guide This section contains detailed descriptions of PGI s proprietary directives 3 1 PGI Proprietary Fortran Directive Summary Directives Fortran comments may be supplied by the user in a source file to provide information to the compiler Directives alter the effects of certain command line options or default behavior of the compiler They provide pragmatic information that control the actions of the compiler in a particular portion of a program without affecting the program as a whole That is while a command line option affects the entire source file that is being compiled directives apply or disable the effects of a command line option to selected subprograms or to selected loops in the source file for example to optimize a specific area of code Use directives to tune selected routines or loops The Fortran directives may have any of the following forms lpgi g directive lpgi r directive lpgi 1l directive lpgi directive where the scope indicator follows the and is either g global r routine or 1 loop This indicator controls the scope of the directive though some directives ignore
223. nstructs the compiler to append common compiler feedback format information such as optimization information to the object file ftn instructs the compiler to enable Fortran specific information inline instructs the compiler to display information about extracted or inlined functions This option is not useful without either the Mextract or Minline option intensity instructs the compiler to provide informational messages about the intensity of the loop Specify lt n gt to get messages on nested loops gt For floating point loops intensity is defined as the number of floating point operations divided by the number of floating point loads and stores gt For integer loops the loop intensity is defined as the total number of integer arithmetic operations which may include updates of loop counts and addresses divided by the total number of integer loads and stores gt By default the messages just apply to innermost loops ipa instructs the compiler to display information about interprocedural optimizations PVF Reference Guide 80 Command Line Options Reference loop instructs the compiler to display information about loops such as information on vectorization Ire instructs the compiler to enable LRE loop carried redundancy elimination information mp instructs the compiler to display information about parallelization opt instructs the compiler to display information about optimization par instructs the compiler
224. ny Fortran statements other than comments or compiler directives F007 Subprogram too large to compile at this optimization level Internal compiler data structure overflow working storage exhausted or some other non recoverable problem related to the size of the subprogram If this error occurs at opt 2 reducing the opt level to 1 may work around the problem Moving the subprogram being compiled to its own source file may eliminate the problem If this error occurs while compiling a subprogram of fewer than 2000 statements it should be reported to the compiler maintenance group as a possible compiler problem FOO8 Error limit exceeded The compiler gives up because too many severe errors were issued the error limit can be reset on the command line F009 Unable to open assembly file Probably user does not have write permission for the current working directory F010 File write error occurred Probably file system is full S011 Unrecognized command line switch Refer to PGI Compiler User s Guide for list of allowed compiler switches E S012 Value required for command line switch Certain switches require an immediately following value such as opt 2 S013 Unrecognized value specified for command line switch S014 Ambiguous command line switch Too short an abbreviation was used for one of the switches W015 Hexadecimal or octal constant truncated to fit data type PVF Reference
225. o fpapprox option Perform certain floating point operations using low precision approximation Mnofpapprox specifies not to use low precision fp approximation operations By default Mfpapprox is not used If Mfpapprox is used without suboptions it defaults to use approximate div sqrt and rsqrt The available suboptions are these div Approximate floating point division sqrt Approximate floating point square root rsqrt Approximate floating point reciprocal square root M no fpmisalign Instructs the compiler to allow not allow vector arithmetic instructions with memory operands that are not aligned on 16 byte boundaries The default is Mnofpmisalign on all processors Applicable only with one of these options tp barcelona or tp barcelona 64 or newer processors M no fprelaxed option Instructs the compiler to use not use relaxed precision in the calculation of some intrinsic functions Can result in improved performance at the expense of numerical accuracy To set this option in PVF use the Fortran Floating Point Options Floating Point Consistency property For more information on this property refer to Floating Point Consistency The possible values for option are div Perform divide using relaxed precision intrinsic Enables use of relaxed precision intrinsics noorder Do not allow expression reordering or factoring PVF Reference Guide 70 Command Line Options Reference order Allow
226. obSet CreateMemoryResourceNotification CreateNamedPipe CreateProcess CreateSemaphore CreateThread CreateTimerQueueTimer DeactivateActCtx DebugActiveProcessStop DebugBreakProcess DecodePointer DefineDosDevice DeleteCriticalSection DeleteFile DeleteTimerQueueEx DeleteVolumeMountPoint DisableThreadLibraryCalls DnsHostnameToComputerName DuplicateHandle PVF Reference Guide Fortran Module Library Interfaces for Windows BackupWrite BeginUpdateResource BuildCommDCB CallNamedPipe Cancello CancelWaitable Timer CheckRemoteDebuggerPresent ClearCommeError CommConfigDialog ConnectNamedPipe ConvertFiberToThread ConvertThreadToFiberEx CopyFileEx CreateConsoleScreenBuffer CreateDirectoryEx CreateFiber CreateFile CreateHardLink CreateJobObject CreateMailslot CreateMutex CreatePipe CreateRemoteThread CreateTapePartition Create TimerQueue CreateWaitable Timer DebugActiveProcess DebugBreak DebugSetProcessKillOnExit DecodeSystemPointer DeleteAtom DeleteFiber DeleteTimerQueue DeleteTimerQueueTimer DeviceloControl DisconnectNamedPipe DosDateTimeToFileTime EncodePointer 172 EncodeSystemPointer EnterCriticalSection EnumResourceNames EnumSystemFirmwareTables EscapeCommFunction ExitThread FatalAppExit FileTimeToDosDateTime FileTimeToSystemTime FillConsoleOutputCharacter FindActCtxSectionString FindClose FindFirstChangeNotification FindFirstFileEx FindFirstVolumeMountPoint FindNextFile FindNextVolumeMountPoint
227. object built by the PGI compilers C on Windows does not support Bdynamic Related options Bstatic Mmakedll PVF Reference Guide 11 Command Line Options Reference 2 2 5 Bstatic Compiles for and links to the static version of the PGI runtime libraries Default The compiler uses static libraries Usage The following command line explicitly compiles for and links to the static version of the PGI runtime libraries cep LOresane BSitat lec sObsectelens Description You can use this option to explicitly compile for and link to the static version of the PGI runtime libraries On Windows B st at icmust be used forbothcompiling and linking For more information on using static libraries on Windows refer to Creating and Using Static Libraries on Windows in the Creating and Using Libraries section of the PGI Compiler User s Guide Related options Bdynamic Bstatic_pgi 2 2 6 Bstatic_pgl Linux only Compiles for and links to the static version of the PGI runtime libraries Implies Mnorpath Default The compiler uses static libraries Usage The following command line explicitly compiles for and links to the static version of the PGI runtime libraries pgfortran Bstatic c objectl f PVF Reference Guide 12 Command Line Options Reference Description You can use this option to explicitly compile for and link to the static version of the PGI runtim
228. occurs The Target Processors properties add the tp lt target gt option to compilation For more information on the tp switch referenced throughout the following descriptions refer to tp p71 k8 32Ik8 64 9 12 1 AMD Athlon Use this property to optimize for AMD Athlon64 AMD Opteron and compatible processors x64 Setting this property to Yes adds the tp k8 64 switch to compilation Win32 Setting this property to Yes adds the tp k8 32 switch to compilation 5 12 2 AMD Barcelona Use this property to optimize for AMD Opteron Quadcore and compatible processors x64 Setting this property to Yes adds the tp barcelona 64 switch to compilation Win32 Setting this property to Yes adds the tp barcelona 32 switch to compilation 9 12 3 AMD Bulldozer Use this property to optimize for AMD Bulldozer and compatible processors x64 Setting this property to Yes adds the tp bulldozer 64 switch to compilation Win32 Setting this property to Yes adds the tp bul1ldozer 32 switch to compilation 9 12 4 AMD Istanbul Use this property to optimize for AMD Istanbul processor based systems x64 Setting this property to Yes adds the tp istanbul 64 switch to compilation Win32 Setting this property to Yes adds the tp istanbul 32 switch to compilation PVF Reference Guide 134 PVF Properties 5 12 5 AMD Piledriver Use this property to optimize for AMD Piledriver processor based systems x64 Setting this p
229. of inline and extract processes no reshape instructs the inliner to allow disallow inlining in Fortran even when array shapes do not match The default is Minline noreshape except with Mconcur or mp where the default is Minline reshape reshape size number instructs the inliner to inline functions with a statement count less than or equal to number the specified size You can also use a size prefix followed by a number If size is specified what follows is always taken as a number PVF Reference Guide 67 Command Line Options Reference The size number need not exactly equal the number of statements in a selected function the size parameter is merely a rough guage If you specify both func and number the compiler inlines functions that match the function name or have number or fewer statements To set this option in PVF use the Fortran Optimization Inlining property described in Inlining For examples of inlining functions refer to Using Function Inlining in the PGI Compiler User s Guide 2 3 5 Optimization Controls This section describes the M lt pgflag gt options that control optimization Default Before looking at all the options let s look at the defaults For arguments that you do not specify the default optimization control options are as follows depchk noipa nounroll nor8 i4 nolre novect nor8intrinsics nofprelaxed noprefetch If you do not supply an option to Mvec
230. of prefetch instructions Optimization Perform cpp like preprocessing on assembly language and Fortran Miscellaneous Instrument the generated code and link in libraries for dynamic Optimization collection of profile and data information at runtime input source files Set profile options function level and line level profiling are Code Generation supported Determines whether the compiler promotes REAL variables and Optimization constants to DOUBLE PRECISION Determines how the compiler treats the intrinsics CMPLX and REAL Optimization Allocate do not allocate local variables on the stack this allows Code Generation recursion SAVEd data initialized or namelist members are always allocated statically regardless of the setting of this switch 32 Command Line Options Reference Description Category no reentrant Specifies whether the compiler avoids optimizations that can prevent Code Generation code from being reentrant no ref_externals Do do not force references to names appearing in EXTERNAL Code Generation statements safe_lastval In the case where a scalar is used after a loop but is not defined Code Generation on every iteration of the loop the compiler does not by default parallelize the loop However this option tells the compiler it is safe to parallelize the loop For a given loop the last value computed for all scalars make it safe to parallelize the loop no save Determines whether the c
231. ompiler assumes that all local variables Fortran Language are subject to the SAVE statement no scalarsse Do do not use SSE SSE2 instructions to perform scalar floating Optimization point arithmetic no second_underscore Do do not add the second underscore to the name of a Fortran Code Generation global if its name already contains an underscore no signextend Do do not extend the sign bit if it is set Code Generation Do do not enable optional post pass assembly optimizer Optimization no smartalloc huge huge lt n gt Add a call to the routine mallopt in the main routine Supports large Environment hugebss TLBs on Linux and Windows Tip To be effective this switch must be specified when compiling the file containing the Fortran C or C main program standard Causes the compiler to flag source code that does not conform to Fortran Language the ANSI standard no stride0 Do do not generate alternate code for a loop that contains an Code Generation induction variable whose increment may be zero unix Uses UNIX calling and naming conventions for Fortran Code Generation subprograms no unixlogical Determines how the compiler treats logical values Fortran Language no unroll Controls loop unrolling Optimization Determines whether the compiler preserves uppercase letters in Fortran Language identifiers PVF Reference Guide 33 Command Line Options Reference pgflag Description Category varargs Fo
232. ompiler provides For more information on the options referenced in these pages refer to Miscellaneous Controls and specifically to the Minfo option 5 14 1 Warning Level Use this property to select the level of diagnostic reporting you want the compiler to use There are several levels of the Minform option available through this property For more information on this option refer to Miscellaneous Controls 5 14 2 Generate Assembly Use this property to generate an assembly file for each compiled source file Setting this property to Yes adds the Mkeepasm switch to the compilation line PVF Reference Guide 143 PVF Properties For more information on Mkeepasn refer to Miscellaneous Controls 5 14 3 Annotate Assembly Use this property to generate assembly files and to annotate the assembly with source code Setting this property to Yes adds the Manno switch to the compilation line For more information on Manno refer to Miscellaneous Controls 5 14 4 Accelerator Information Use this property to generate information about accelerator regions Setting this property to Yes adds the Minfo accel switch to the compilation line 5 14 5 CCFF Information Use this property to append common compiler feedback format CCFF information to object files Setting this property to Yes adds the Minfo ccff switch to the compilation line 5 14 6 Fortran Language Information Use this property to generate informati
233. on about Fortran language features Setting this property to Yes adds the Minfo ftn switch to the compilation line 5 14 7 Inlining Information Use this property to generate information about inlining Setting this property to Yes adds the Minfo inline switch to the compilation line 5 14 8 IPA Information Use this property to generate information about interprocedural analysis IPA optimizations Setting this property to Yes adds the Minfo ipa switch to the compilation line 5 14 9 Loop Intensity Information Use this property to generate compute intensity information about loops Setting this property to Yes adds the Minfo intensit y switch to the compilation line 5 14 10 Loop Optimization Information Use this property to generate information about loop optimizations Setting this property to Yes adds the Minfo loop switch to the compilation line PVF Reference Guide 144 PVF Properties 5 14 11 LRE Information Use this property to generate information about loop carried redundancy LRE elimination Setting this property to Yes adds the Minfo 1re switch to the compilation line 5 14 12 OpenMP Information Use this property to generate information about OpenMP Setting this property to Yes adds the Minfo mp switch to the compilation line 5 14 13 Optimization Information Use this property to generate information about general optimizations Setting this property to Yes adds the Minfo opt sw
234. ond kind of order N of X where N is an integer and X is real chdir INTEGER 4 Changes the current directory to the directory specified Returns 0 if successful chmod INTEGER 4 Changes the mode of a file by setting the access permissions of the specified file to the specified mode Returns 0 if successful STRING 24 Converts and returns the specified time and date as a string STRING Returns the date as a character string dd mm yy PVF Reference Guide 161 Fortran Module Library Interfaces for Windows Routine Result Description dbesj0 REAL 8 Computes the double precision BESSEL function of the first kind of order 0 of X where X is a double precision argument dbesj1 REAL 8 Computes the double precision BESSEL function of the first kind of order 1 of X where X is a double precision argument REAL 8 Computes the double precision BESSEL function of the first kind of order N of X where N is an integer and X is a double precision argument dbesy0 REAL 8 Computes the double precision BESSEL function of the second kind of order 0 of X where X where X is a double precision argument dbesy1 REAL 8 Computes the double precision BESSEL function of the second kind of order 1 of X where X where X is a double precision argument REAL 8 Computes the double precision BESSEL function of the second kind of order N of X where N is an integer and X where X is a double precision argument derf REAL 8 Computes the double precision error f
235. only when compiled for compute capability 2 0 or greater E524 Dependency in assignment causes allocation of a temporary which is not supported in DEVICE or GLOBAL subprograms The compiler has identified a possible dependency in an assignment statement which requires allocation of temporary storage to produce a correct result Dynamic allocation of memory is not supported in subprograms that run on the device E525 Array reshaping is not supported for device subprogram calls argument to subprogram Passing an array section or assumed shape array to a non assumed shape dummy argument is not supported in global or device subprograms This would require a run time test and a possible run time copy to a dynamically allocated temporary array W526 SHARED attribute ignored on dummy argument The SHARED attribute has no meaning when applied to a dummy argument E527 Argument number requires allocation of a temporary which is not supported in DEVICE or GLOBAL subprograms PVF Reference Guide 220 Messages Evaluation of the specified argument requires allocation of temporary storage for the result to be passed to the subprogram being called Dynamic allocation of memory is not supported in subprograms that run on the device E528 Argument number to device attribute mismatch Device attributes of the actual and formal arguments are not the same E529 PRI
236. op control variable replaced with lt or gt test S163 lt reserved message number gt S164 Overlapping data initializations of An attempt was made to data initialize a variable or array element already initialized S165 appeared more than once as a subprogram A subprogram name appeared more than once in the source file The message is applicable only when an assembly file is the output of the compiler S166 cannot be a common block and a subprogram A name appeared as a common block name and a subprogram name The message is applicable only when an assembly file is the output of the compiler 167 Inconsistent size of common block A common block occurs in more than one subprogram of a source file and its size is not identical The maximum size is chosen The message is applicable only when an assembly file is the output of the compiler S168 Incompatible size of common block A common block occurs in more than one subprogram of a source file and is initialized in one subprogram Its initialized size was found to be less than its size in the other subprogram s The message is applicable only when an assembly file is the output of the compiler W169 Multiple data initializations of common block A common block is initialized in more than one subprogram of a source file Only the first set of initializations apply The message is applicable only when an assembly file is the output of the
237. ormance benefit but misleading results can occur such as when dividing a small normalized number by a denormalized number To take effect this option must be set for the main program To set this option in PVF use the Fortran Floating Point Options Treat Denormalized Values as Zero property described in Treat Denormalized Values as Zero Mnodaz Do not treat denormalized numbers as zero To take effect this option must be set for the main program Mnodwar Specifies not to add DWARF debug information To take effect this option must be used in combination with g Mdwarf1 Generate DWARF1 format debug information To take effect this option must be used in combination with g Mdwarf2 Generate DWARF2 format debug information To take effect this option must be used in combination with g Mdwarf3 Generate DWARF3 format debug information To take effect this option must be used in combination with g Mflushz Set SSE flush to zero mode if a floating point underflow occurs the value is set to zero To take effect this option must be set for the main program To set this option in PVF use the Fortran Floating Point Options Flush Denormalized Results to Zero property described in Flush Denormalized Results to Zero on page 391 Mnoflushz Do not set SSE flush to zero mode generate underflows To take effect this option must be set for the main program
238. ortran Property Pages This section contains the property pages that are included in the Fortran category This category is further divided into the following property pages displayed in the following order gt General gt Language gt Target Accelerators Optimization gt Floating Point Options gt Diagnostics gt Preprocessing External Procedures gt Profiling Code Generation gt Target Processors gt Command Line The following sections describe the properties available on each property page 5 4 Fortran General The following properties are available from the Fortran General property page 5 4 1 Display Startup Banner Use this property to determine whether to display the compiler s startup banner during compilation Changing the property to Yes adds the V switch to the compilation line which causes the compiler to display the startup banner during compilation For more information on V refer to V release_number 5 4 2 Additional Include Directories Use this property to add one or more directories to the compiler s include path For every path that is added to this property PVF adds I lt path gt to the compilation line There are two ways to add directories to this property gt Type the information directly into the property page box Use a semi colon to separate each directory gt Click the ellipsis button in the property page box to open the Addition
239. ot called No calls to the given subroutine or function appear anywhere in the program W355 Missing argument in call to A nonoptional argument is missing in a call to the given subprogram 1356 Array section analysis incomplete PVF Reference Guide 207 Messages Interprocedural analysis for array section arguments is incomplete some information may not be available for optimization 357 Expression analysis incomplete Interprocedural analysis for expression arguments is incomplete some information may not be available for optimization W358 Dummy argument is EXTERNAL but actual is not subprogram The call statement passes a scalar or array to a dummy argument that is declared EXTERNAL W359 SUBROUTINE passed to FUNCTION dummy argument The call statement passes a subroutine name to a dummy argument that is used as a function W360 FUNCTION passed to FUNCTION dummy argument with different result type The call statement passes a function argument to a function dummy argument but the dummy has a different result type W361 FUNCTION passed to SUBROUTINE dummy argument The call statement passes a function name to a dummy argument that is used as a subroutine W362 Argument has a different type than dummy argument The type of the actual argument is different than the type of the corresponding dummy argument W363 Dummy argu
240. ource lines in the source file myprog f pgfortran Minfo inline Minline 20 myprog f In the following example the compiler creates the listing file myprog 1st pgfortran Mlist myprog f In the following example array bounds checking is enabled pgfortran Mbounds myprog f The following list provides the syntax for each miscellaneous M lt pgflag gt option Each option has a description and if appropriate a list of any related options Manno annotate the generated assembly code with source code Implies Mkeepasm To set this option in PVF use the Fortran Output Annotated ASM Listing property described in Annotate Assembly Mbounds enables array bounds checking gt Ifan array is an assumed size array the bounds checking only applies to the lower bound gt Ifan array bounds violation occurs during execution an error message describing the error is printed and the program terminates The text of the error message includes the name of the array the location where the error occurred the source file and the line number in the source and information about the out of bounds subscript its value its lower and upper bounds and its dimension The following is a sample error message PGFTN F Subscript out of range for array a a f 2 subscript 3 lower bound 1 upper bound 2 dimension 2 Mnobounds disables array bounds checking Mbyteswapio swap byte order from big endian to little e
241. p information Usage In the following example the driver displays configuration information to the standard output after processing the driver configuration file S pgfortran show myprog f Description Use this option to produce driver help information describing the current driver configuration Related options V release_number v help rc 2 2 47 silent Do not print warning messages Default The compiler prints warning messages PVF Reference Guide 44 Command Line Options Reference Usage In the following example the driver does not display warning messages pgfortran silent myprog f Description Use this option to suppress warning messages Related options v V release _number w 2 2 48 stack Windows only Allows you to explicitly set stack properties for your program Default If stack is not specified then the defaults are as followed Win32 Setting is stack 2097152 2097152 which is approximately 2MB for reserved and committed bytes Win64 No default setting Syntax stack reserved bytes committed bytes no check Usage The following example demonstrates how to reserve 524 288 stack bytes 512KB commit 262 144 stack bytes for each routine 256KB and disable the stack initialization code with the nocheck argument S pgfortran stack 524288 262144 nocheck myprog f Description Use this option to explicitly s
242. r of statements in the loop This overrides a heuristic in the vectorizer that ordinarily prevents vectorization of loops with a number of statements that exceeds a certain threshold The default is nosizelimit smallvect n Instructs the vectorizer to assume that the maximum vector length is less than or equal to n The vectorizer uses this information to eliminate generation of the stripmine loop for vectorized loops wherever possible If the size n is omitted the default is 100 gt No space is allowed on either side of the colon PVF Reference Guide 76 Command Line Options Reference no sse Instructs the vectorizer to search for vectorizable loops and wherever possible make use of SSE SSE2 and prefetch instructions The default is nosse noJuniform Instructs the vectorizer to perform the same optimizations in the vectorized and residual loops cy This option may affect the performance of the residual loop To set this option in PVF use the Fortran Optimization Vectorization property described in Vectorization Mnovect instructs the compiler not to perform vectorization You can use this option to override a previous instance of Mvect on the command line in particular for cases in which Mvect is included in an aggregate option such as fastsse Mvect option instructs the compiler to enable loop vectorization where option is one of the following partial Enable partial loop vectorization through inn
243. r to Fortran Language Controls PVF Reference Guide 128 PVF Properties 5 8 23 CUDA Fortran Compute Capability When Enable CUDA Fortran is set to Yes use this property to either automatically generate code compatible with all applicable compute capabilities or to direct the compiler to use a manually selected set Select either Automatic or Manual gt Automatic Let the compiler generate code for all applicable compute capabilities This is the default gt Manual Choose one or more compute capabilities to target The compiler generates code for each capability specified If you select Manual then you can select any or all of the following compute capabilities that are described in the next sections CUDA Fortran Fermi CUDA Fortran Fermi CUDA Fortran Kepler CUDA Fortran Kepler Important If you select Manua 1 and the additional properties do not appear click Apply in the Property page dialog For more information on Mcuda refer to Optimization Controls 5 8 24 CUDA Fortran Fermi When Enable CUDA Fortran is set to Yes and CUDA Fortran Compute Capability is set to Manual use this property to generate code for the Fermi architecture Setting this property to Yes adds the Mcuda fermi switch to the PVF compilation and link lines 5 8 25 CUDA Fortran Fermi When Enable CUDA Fortran is set to Yes and CUDA Fortran Compute Capability is set to Manual use this property to generate code for Fermi architectu
244. ra3 printf The sum after conversion f n return File sum 3 s Computes paral para2 para3 text align 16 globl sum 3 sum 3 pushg Srbp leag 128 rsp rbp cvtsi2ss ecx xmm0 addss xmml Sxmm0 cvtss2sd Sxmm0 Sxmm0 addsd xmm2 Sxmm0 cvtsd2ss Sxmm0 xmm0 popq srbp cet type sum_3 function SA SES UMTS PS UNES 4 2 4 Win64 Fortran Supplement Sections A3 4 1 through A3 4 4 of the AMD64 Software Conventions for Win64 define the Fortran supplement The register usage conventions set forth in that document remain the same for Fortran Fortran Fundamental Types Table 22 Win64 Fortran Fundamental Types Fortran Type Size bytes Alignment bytes INTEGER INTEGER 1 INTEGER 2 INTEGER 4 PVF Reference Guide 107 Run time Environment Fortran Type Size bytes Alignment bytes ECC CO COI COS CAN CON ewe a E ES CAN CON EOS CAN CON EOS CAN CO ETICO COMA ETC COS CO A logical constant is one of gt TRUE gt FALSE The logical constants TRUE and FALSE are defined to be the four byte value 1 and 0 respectively A logical expression is defined to be TRUE if its least significant bit is 1 and FALSE otherwise Note that the value of a character is not automatically NULL terminated Fortran Naming Conventions By default all globally visible Fortran symbol names subroutines functions common blocks are converted to lower case In addition an under
245. rademarks and PGI PGHPF PGF77 PGCC PGC PGI Visual Fortran PVF PGI CDK Cluster Development Kit PGPROF PGDBG and The Portland Group are registered trademarks of NVIDIA Corporation in the U S and other countries Other company and product names may be trademarks of the respective companies with which they are associated Copyright 2013 2015 NVIDIA Corporation All rights reserved PGI
246. ralnfo SetProcessDefaultLayout SetRect SetScrollPos SetSystemCursor PVF Reference Guide LoadMenu1 LoadString LockWorkStation LRESULT MapVirtualKeyEx MessageBeep MessageBoxIndirect MonitorFromPoint mouse_event MsgWaitForMultipleObjectsEx OemToChar OpenClipboard OpenInputDesktop PeekMessage PostThreadMessage PtinRect RedrawWindow RegisterClipboardFormat RegisterRawInputDevices ReleaseCapture RemoveProp ScrollDC SendDigltemMessage SendMessageCallback SetActiveWindow SetCaretPos SetClassWord SetCursor SetDlgltemint SetFocus SetLastErrorEx SetMenuContextHelpld SetMenultemBitmaps SetMessageQueue SetProcessWindowStation SetRectEmpty SetScrollRange SetThreadDesktop Fortran Module Library Interfaces for Windows LoadMenu2 LockSetForegroundWindow LookuplconldFromDirectory MapDialogRect MapWindowPoints MessageBox ModifyMenu1 MonitorFromRect MoveWindow NotifyWinEvent OemToCharBuff OpenDesktop OpenWindowStation PostMessage PrintWindow RealChildWindowFromPoint RegisterClass RegisterDeviceNotification RegisterShellHookWindow ReleaseDC ReplyMessage ScrollWindow Sendinput SendMessageTimeout SetCapture SetClassLong SetClipboardData SetCursorPos SetDigltemText SetForegroundWindow SetLayeredWindowAttributes SetMenuDefaultltem SetMenulteminfo SetParent SetProp SetScrolllnfo SetSysColors SetTimer 182 SetUserObjectInformation SetWindowLong SetWindowPos SetWindowsHookEx SetWinEventHoo
247. ray distribution targets verified Interprocedural analysis has verified that the prescriptive or descriptive distribution targets of this many array dummy arguments match the targets of the actual argument 392 IPA common blocks optimized Interprocedural analysis has found this many common blocks that could be optimized 393 IPA common blocks not optimized Interprocedural analysis has found this many common blocks that could not be optimized either because the common block was not declared in the main program or because it was declared differently in different subprograms 394 IPA replaced by constant value PVF Reference Guide 210 Messages The dummy argument was replaced by a constant as per interprocedural analysis 395 IPA changed to INTENT IN The dummy argument was changed to INTENT IN as per interprocedural analysis 396 IPA array alignment propagated to The template alignment for the dummy argument was changed as per interprocedural analysis 397 IPA distribution format propagated to The distribution format for the dummy argument was changed as per interprocedural analysis 398 IPA distribution target propagated to The distribution target for the dummy argument was changed as per interprocedural analysis 399 IPA common block not optimized The given common block
248. rces Fortran program units to assume calls are to C functions with Code Generation a varargs type interface no vect Do do not invoke the code vectorizer Optimization 2 2 33 module lt moduledir gt Allows you to specify a particular directory in which generated intermediate modfiles should be placed Default The compiler places modfiles in the current working directory and searches only in the current working directory for pre compiled intermediate modfiles Usage The following command line requests that any intermediate module file produced during compilation ofmyprog fbe placed in the directorymymods specifically the file mymods myprog modis used S pgfortran module mymods myprog f Description Use the modul eoption to specify a particular directory in which generated intermediate mod files should be placed If the module lt moduledi r gt option is present and USE statements are present in a compiled program unit then lt moduledir gt is searched for modintermediate filespriorto a search in the default local directory To set this option in PVF use the Fortran Output Module Path property described in Module Path Related options None 2 2 34 mp all align bind no numa Instructs the compiler to interpret user inserted OpenMP shared memory parallel programming directives and to generate an executable file which will utilize multiple processors in a shared memory parallel
249. re and above Setting this property to Yes adds the Mcuda fermi switch to the PVF compilation and link lines 5 8 26 CUDA Fortran Kepler When Enable CUDA Fortran is set to Yes and CUDA Fortran Compute Capability is set to Manual use this property to generate code for the Kepler architecture Setting this property to Yes adds the Mcuda kepler switch to the PVF compilation and link lines PVF Reference Guide 129 PVF Properties 5 8 27 CUDA Fortran Kepler When Enable CUDA Fortran is set to Yes and CUDA Fortran Compute Capability is set to Manual use this property to generate code for Kepler architecture and above Setting this property to Yes adds the Mcuda kepler switch to the PVF compilation and link lines 5 8 28 CUDA Fortran Keep Binary Use this property to keep the CUDA binary bin file Setting this property to Yes adds the Mcuda keepbin switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls 5 8 29 CUDA Fortran Keep Kernel Source When Enable CUDA Fortran is set to Yes use this property to keep the kernel source files Setting this property to Yes adds the Mcuda keepgpu switch to the PVF compilation and link lines For more information on Mcuda refer to Optimization Controls 5 8 30 CUDA Fortran Keep PTX When Enable CUDA Fortran is set to Yes use this property to keep the portable assembly ptx file for the GPU code Setting th
250. re filename is the name of the file for the compilation output The filename must not have a extension Usage In the following example the executable file ismyp exeinstead of the defaulta outmyprog exe S pgfortran myprog f o myp To set this option in PVF use the Fortran Output Object File Name property described in Object File Name on page 377 Related options E F S 2 2 38 pc This option is available only for tp px p5 p6 piii targets Allows you to control the precision of operations performed using the x87 floating point unit and their representation on the x87 floating point stack PVF Reference Guide 38 Command Line Options Reference Syntax io Usage pgfortran pc 64 myprog f Description The x87 architecture implements a floating point stack using 8 80 bit registers Each register uses bits 0 63 as the significant bits 64 78 for the exponent and bit 79 is the sign bit This 80 bit real format is the default format called theextended format When values are loaded into the floating point stack they are automatically converted into extended real format The precision of the floating point stack can be controlled however by setting the precision control bits bits 8 and 9 of the floating control word appropriately In this way you can explicitly set the precision to standard IEEE double precision using 64 bits or to single precision using 32 bits According to In
251. re option is one of the following all instructs the compiler to produce all available information on why various optimizations are not performed accel instructs the compiler to enable accelerator information ceff instructs the compiler to append information such as optimization information to the object file concur instructs the compiler to produce all available information on why loops are not automatically parallelized In particular if a loop is not parallelized due to potential data dependence the variable s that cause the potential dependence are listed in the messages that you see when using the option Mneginfo ftn instructs the compiler to enable Fortran specific information PVF Reference Guide 82 Command Line Options Reference inline instructs the compiler to display information about extracted or inlined functions This option is not useful without either the Mextract or Minline option ipa instructs the compiler to display information about interprocedural optimizations loop instructs the compiler to display information about loops such as information on vectorization Ire instructs the compiler to enable LRE loop carried redundancy elimination information mp instructs the compiler to display information about parallelization opt instructs the compiler to display information about optimization par instructs the compiler to enable parallelizer information pfo instructs the compiler to enable profil
252. refer to Fortran Data Types 7 3 Using DFLIB LIBM and DFPORT PVF includes Fortran module interfaces to libraries supporting some standard C library C math library and Unix Linux system call functionality These functions are provided by the DFLIB LIBM and DFPORT modules To utilize these modules add the appropriate USE statement use dflib use libm use dfport 70 1 DFLIB Table 27 lists the functions that DFLIB includes In the table Generic refers to a generic routine To view the prototype and interfaces look in the location described in Source Files Table 27 DFLIB Function Summary Routine Result Description unit to the file s physical device PVF Reference Guide 159 Fortran Module Library Interfaces for Windows Routine Result Description systemqq LOGICAL 4 Executes a command by passing a command string to the operating system s command interpreter unpacktimeqq Multiple INTEGERS Unpacks a file s packed time and date value into its component parts A Fortran module called 1ibm is available to declare interfaces to many of the routines in the standard C math library Table 28 lists the LIBM routines that are available To view the prototype and interfaces look in the location described in Source Files Some 1ibm routine names conflict with Fortran intrinsics These routines are not listed in this table because they resolve to Fortran intrinsics asin a
253. rguments specified for S188 Argument number to type mismatch S189 Argument number to association of scalar actual argument to array dummy argument S190 Argument number to non conformable arrays S191 Argument number to cannot be an assumed size array S192 Argument number to must be a label W193 Argument number to does not match INTENT OUT W194 INTENT IN argument cannot be defined S195 Statement may not appear in an INTERFACE block S197 S196 Deferred shape specifiers are required for Invalid qualifier or qualifier value in OPTIONS staten nent PVF Reference Guide 199 Messages An illegal qualifier was found or a value was specified for a qualifier which does not expect a value In either case the qualifier for which the error occurred is indicated in the error message S198 in ALLOCATE DEALLOCATE E W199 Unaligned memory reference A memory reference occurred whose address does not meet its data alignment requirement S200 Missing UNIT FILE specifier S201 Illegal I O specifier S202 Repeated 1 0 specifier S203 FORMAT statement has no label S204 5 Miscellaneous I O error S205 Illegal specification of scale factor The integer following or has been omitted or
254. riable PGI HUGE PAGES hugebss 64 bit only Puts the BSS section in huge pages attempts to put a program s uninitialized data section into huge pages gt This flag dynamically links the library 1ibhugetlbfs pgi even if Bstatic is used nohuge Overrides a previous Msmartalloc huge setting Tip To be effective this switch must be specified when compiling the file containing the Fortran C or C main program Mnostdinc instructs the compiler to not search the standard location for include files To set this option in PVF use the Fortran Preprocessor Ignore Standard Include Path property described in Ignore Standard Include Path on page 381 Mnostdlib instructs the linker not to link in the standard libraries in the library directory 1ib within the standard directory You can link in your own library with the l option or specify a library directory with the L option PVF Reference Guide 62 Command Line Options Reference 2 3 3 Fortran Language Controls This section describes the M lt pgflag gt options that affect Fortran language interpretations by the PGI Fortran compilers These options are valid only for the Fortran compiler drivers Default Before looking at all the options let s look at the defaults For arguments that you do not specify the defaults are as follows backslash nodefaultunit dollar _ noonetrip nounixlogical nodclchk nodlines noiomutex nosave noupcase
255. roperty to Yes adds the tp piledriver 64 switch to compilation Win32 Setting this property to Yes adds the tp piledriver 32 switch to compilation 5 12 6 AMD Shanghai Use this property to optimize for AMD Shanghai processor based systems x64 Setting this property to Yes adds the tp shanghai 64 switch to compilation Win32 Setting this property to Yes adds the tp shanghai 32 switch to compilation 5 12 7 Intel Core 2 Use this property to optimize for Intel Core 2 Duo and compatible processors x64 Setting this property to Yes adds the tp core2 64 switch to compilation Win32 Setting this property to Yes adds the tp core2 32 switch to compilation 5 12 8 Intel Core i7 Use this property to optimize for Intel Core 17 Nehalem processor based systems x64 Setting this property to Yes adds the tp nehalem 64 switch to compilation Win32 Setting this property to Yes adds the tp nehalem 32 switch to compilation 5 12 9 Intel Penryn Use this property to optimize for Intel Penryn architecture and compatible processors x64 Setting this property to Yes adds the tp penryn 64 switch to compilation Win32 Setting this property to Yes adds the tp penryn 32 switch to compilation 5 12 10 Intel Pentium 4 Use this property to optimize for Intel Pentium 4 and compatible processors Win32 Setting this property to Yes adds the tp p7 32 switch to compilation 5 12 11 Intel Sandy Bridge U
256. rounding mode and exception masking This register is initialized at process initialization time and its value must be preserved Signals can interrupt processes Functions called during signal handling have no unusual restriction on their use of registers Moreover if a signal handling function returns the process resumes its original execution path with registers restored to their original values Thus programs and compilers may freely use all registers without danger of signal handlers changing their values 4 2 2 Function Return Values Functions Returning Scalars or No Value gt A function that returns an integral or pointer value that fits in 64 bits places its result in Jorax gt A function that returns a floating point value that fits in the XMM registers returns this value in xmm0 gt A function that returns a value in memory via the stack places the address of this memory passed to the function as a hidden first argument in rcx in rax gt Functions that return no value also called procedures or void functions put no particular value in any register gt A call instruction pushes the address of the next instruction the return address onto the stack The return instruction pops the address off the stack and effectively continues execution at the next instruction after the call instruction A function that returns a scalar or no value must preserve the caller s registers as previously described Further the called
257. routine name external name DECS ALIAS routine name external name PVF Reference Guide 91 Directives Reference In this syntax external_name is used as the external name for the specified routine name If external name is an identifier name the name in uppercase is used as the external name for the specified routine name If external name is a character constant it is used as is the string is not changed to uppercase nor are blanks removed You can also supply an alias for a routine using the ATTRIBUTES directive described in the next section DEC ATTIRIBUTES ALIAS alias name routine name This directive specifies an alternative name with which to resolve a routine as illustrated in the following code fragment that provides external names for three routines In this fragment the external name for sub1 is namel for sub2 is name2 and for sub3 is name3 subroutine sub IDECS alias subl namel DECS alias sub2 name2 IDEC attributes alias name3 sub3 3 4 2 ATTRIBUTES Directive This directive lets you specify properties for data objects and procedures The syntax for the ATTRIBUTES directive is this DECS ATTRIBUTES lt list gt where lt list gt is one of the following ALIAS alias_name routine_name Specifies an alternative name with which to resolve routine name C routine_name Specifies that the routine routine name will have its arguments passed by value
258. rt Debugging or Start Without Debugging from the Debug menu gt Ifthe Startup Project in your solution is a PVF project that builds an executable there is probably no need to change this property PVF Reference Guide 114 PVF Properties gt Ifthe Startup Project in your solution is a PVF project that builds a DLL or static library you must use the Command property to specify an application to execute when you run with or without debugging To use the PVF debug engine the Startup Project must be a PVF project If for example your main executable is built by a Visual C project that links against a PVF project you would designate the PVF project as the Startup Project and in its Debugging Application Command property you would specify the path to the executable built by the Visual C project Tip The Startup Project is the project listed in boldface in the solution explorer You can change the Startup Project by right clicking on any project in the solution explorer and selecting Set as Startup Project from the context menu 5 2 3 Application Arguments Use this property to pass command line arguments to the application when it is run or debugged 5 2 4 Environment Use this property to specify any environment variables to set for the application when it runs One common use of this property is to augment the PATH environment variable For example if the application requires DLLs to run but the general environment is not
259. s directly or indirectly MODULE which causes a USE cycle If MODULE A has a USE statement for MODULE B we say that MODULE A directly uses MODULE B If MODULE B has a USE statement for MODULE C we say that MODULE A indirectly uses MODULE C If MODULE C then has a USE statement for MODULE A then MODULE A indirectly uses itself which is a USE cycle and is not allowed E504 DIM argument out of range for this symbol The DIM argument to this transformation intrinsic CSHIFT EOSHIFT must be between 1 and the rank of the array or expression being transformed E505 DIM argument out of range for this reduction PVF Reference Guide 218 Messages The DIM argument to this reduction intrinsic SUM PRODUCT must be between 1 and the rank of the expression being reduced E506 The argument to ASSOCIATED must be a pointer The argument to the ASSOCIATED intrinsic function must be a variable or array with the POINTER attribute E507 The arguments to MOVE ALLOC must be ALLOCATABLE The arguments to the MOVE_ALLOC procedure must have the ALLOCATABLE attribute E508 The array objects in a call to an elemental function are not conformable When calling an elemental function the arguments must be scalars or conformable arrays or array expressions m E509 Variables in a PURE subprogram may not have the SAVE attribute PURE su
260. s allowed in this context 223 if directives too deeply nested Preprocessor if directive nesting exceeded the maximum allowed currently 10 S224 Actual parameters too long for The total length of the parameters in a macro call to the indicated macro exceeded the maximum allowed currently 2048 W225 Argument mismatch for The number of arguments supplied in the call to the indicated macro did not agree with the number of parameters in the macro s definition F226 Can t find include file The indicated include file could not be opened S227 Definition too long for The length of the macro definition of the indicated macro exceeded the maximum allowed currently 2048 S228 EOF in comment The end of a file was encountered while processing a comment 229 EOF in macro call to The end of a file was encountered while processing a call to the indicated macro S230 EOF in string The end of a file was encountered while processing a quoted string S231 Formal parameters too long for The total length of the parameters in the definition of the indicated macro exceeded the maximum allowed currently 2048 232 Identifier too long PVF Reference Guide 201 Messages The length of an identifier exceeded the maximum allowed currently 2048 S233 lt reserved message number gt W234 Illegal directive name The sequence of characters following a sign was not
261. s as follows cSmem prefetch lt varl gt lt var2 gt where lt varn gt is any valid variable member or array element reference For examples on how to use the prefetch directive refer to the Prefetch Directives section of the PGI Visual Fortran User s Manual 3 3 IGNORE_TKR Directive This directive indicates to the compiler to ignore the type kind and or rank TKR of the specified dummy arguments in an interface of a procedure The compiler also ignores the type kind and or rank of the actual arguments when checking all the specifics in a generic call for ambiguities 3 3 1 IGNORE_TKR Directive Syntax The syntax for the IGNORE_TKR directive is this DIR IGNORE TKR lt letter gt lt dummy_arg gt lt letter gt is One or any combination of the following T type K kind R rank For example KR indicates to ignore both kind and rank rules and TKR indicates to ignore the type kind and rank arguments lt dummy_arg gt if specified indicates the dummy argument for which TKR rules should be ignored If not specified TKR rules are ignored for all dummy arguments in the procedure that contains the directive 3 3 2 IGNORE_TKR Directive Format Requirements The following rules apply to this directive PVF Reference Guide 90 Directives Reference gt IGNORE_TKR must not specify dummy arguments that are allocatable Fortran 90 pointers or assumed shape arrays gt IGNORE_TKR may app
262. s identical to the format used on Sun and SGI workstations this format allows you to read and write unformatted Fortran data files produced on those platforms from a program compiled for an x86 or x64 platform using the byteswapiooption PVF Reference Guide 13 Command Line Options Reference Related options None 2 2 8 C Fortran only Generates code to check array bounds Default The compiler does not enable array bounds checking Usage In this example the compiler instruments the executable produced frommyprog fto perform array bounds checking at runtime S pgfortran C myprog f Description Use this option to enable array bounds checking If an array is an assumed size array the bounds checking only applies to the lower bound If an array bounds violation occurs during execution an error message describing the error is printed and the program terminates The text of the error message includes the name of the array the location where the error occurred the source file and the line number in the source and information about the out of bounds subscript its value its lower and upper bounds and its dimension Related options Mbounds Mnobounds 2 2 9 c Halts the compilation process after the assembling phase and writes the object code to a file Default The compiler produces an executable file and does not use the option Usage In this example the compiler produces the object filemyprog o
263. s is a scratch register esi edi These local registers have no specified role in the standard calling sequence Functions must preserve their values for the caller Jecx edx Scratch registers have no specified role in the standard calling sequence Functions do not have to preserve their values for the caller st 0 Floating point return values appear on the top of the floating point register stack there is no difference in the representation of single or double precision values in floating point registers If the function does not return a floating point value then the stack must be empty st 1 Zst 7 Floating point scratch registers have no specified role in the standard calling sequence These registers must be empty before entry and upon exit from a function EFLAGS The flags register contains the system flags such as the direction flag and the carry flag The direction flag must be set to the forward i e zero direction before entry and upon exit from a function Other user flags have no specified role in the standard calling sequence and are not reserved PVF Reference Guide 96 Run time Environment Floating Point Control Word The control word contains the floating point flags such as the rounding mode and exception masking This register is initialized at process initialization time and its value must be preserved Signals can interrupt processes Functions called during signal handling have no unusual restrictio
264. s supported by the Fortran compiler implement the application binary interface ABI as defined in the System V Application Binary Interface Intel Processor Supplement and the System V Application Binary Interface listed in the FIX REF HERE 4 1 1 Function Calling Sequence This section describes the standard function calling sequence including the stack frame register usage and parameter passing Register Usage Conventions The following table defines the standard for register allocation The 32 bit x86 Architecture provides a number of registers All the integer registers and all the floating point registers are available to all procedures in a running program PVF Reference Guide 94 Run time Environment Table 13 Register Allocation Type Name Purpose es CON In addition to the registers each function has a frame on the run time stack This stack grows downward from high addresses The next table shows the stack frame organization Table 14 Standard Stack Frame Position Contents Frame argument words 1 to n 1 8 ebp ECC CI A ECC CEI Key points concerning the stack frame include gt The stack is kept double word aligned gt Argument words are pushed onto the stack in reverse order so the rightmost argument in C call syntax has the highest address A dummy word may be pushed ahead of the rightmost PVF Reference Guide 95 Run time Environment argument in order to preserve doubleword alignment
265. s the compiler to pass options to the function inliner where the option can be any of the following except func instructs the inliner to inline all eligible functions except func a function in the source text You can use a comma separated list to specify multiple functions name Jfunc instructs the inliner to inline all functions in the source text that match func The function name should be a non numeric string that does not contain a period You can also use a name prefix followed by the function name If name is specified what follows is always the name of a function lib filename ext instructs the inliner to inline the functions within the library file filename ext The compiler assumes that a filename ext option containing a period is a library file Tip Create the library file using the Mextract option You can also use a lib prefix followed by the library name gt If Lib is specified no period is necessary in the library name Functions from the specified library are inlined gt Ifno library is specified functions are extracted from a temporary library created during an extract prepass levels number instructs the inliner to perform number levels of inlining The default number of function calling levels is 1 Using a level greater than one indicates that function calls within inlined functions may be replaced with inlined code This approach allows the function inliner to automatically perform a sequence
266. sage fo Names the object file pc lt val gt tp px p5 p6 piii targets only Set precision globally for x87 floating point calculations must be used when compiling the main program lt val gt may be one of 32 64 or 80 pgf77libs Append PGF77 runtime libraries to the link line pgf90libs Append PGF90 PGF95 PGFORTRAN runtime libraries to the link line PVF Reference Guide 6 Command Line Options Reference Option Description 14 Interpret DOUBLE PRECISION variables as REAL aS 18 Interpret REAL variables as DOUBLE PRECISION rc file Specifies the name of the driver s startup file S Stops after the compiling phase and saves the assembly language code in filename s Display driver s configuration parameters after startup silent Do not print warning messages time Print execution times for the various compilation steps u lt symbol gt Initializes the symbol table with lt symbol gt which is undefined for the linker An undefined symbol triggers loading of the first member of an archive library U lt symbol gt Undefine a preprocessor macro V release_number Displays the version messages and other information or allows invocation of a version of the compiler other than the default Displays the compiler assembler and linker phase invocations Passes arguments to a specific phase Do not print warning messages 2 1 2 PGI Debug Related Compiler Options The options included in th
267. score is appended to Fortran global names to distinguish the Fortran name space from the C C name space PVF Reference Guide 108 Run time Environment Fortran Argument Passing and Return Conventions Arguments are passed by reference meaning the address of the argument is passed rather than the argument itself In contrast C C arguments are passed by value When passing an argument declared as Fortran type CHARACTER an argument representing the length of the CHARACTER argument is also passed to the function This length argument is a four byte integer passed by value and is passed at the end of the parameter list following the other formal arguments A length argument is passed for each CHARACTER argument the length arguments are passed in the same order as their respective CHARACTER arguments A Fortran function returning a value of type CHARACTER adds two arguments to the beginning of its argument list The first additional argument is the address of the area created by the caller for the return value the second additional argument is the length of the return value If a Fortran function is declared to return a character value of constant length for example CHARACTER 4 FUNCTION CHF the second extra parameter representing the length of the return value must still be supplied A Fortran complex function returns its value in memory The caller provides space for the return value and passes the address of this storage as
268. se of a readonly file Self explanatory Check file and directory modes for readonly status 205 SCRATCH and SAVE KEEP both specified In an OPEN statement a file disposition conflict has occurred Example within an OPEN statement status scratch and dispose keep have both been passed 206 attempt to open a named file as SCRATCH 207 file is already connected to another unit 208 NEW specified for file that already exists 209 OLD specified for file that does not exist 210 dynamic memory allocation failed Memory allocation operations occur only in conjunction with namelist I O The most probable cause of fixed buffer overflow is exceeding the maximum number of simultaneously open file units PVF Reference Guide 225 Messages 211 invalid file name 212 invalid unit number A file unit number less than or equal to zero has been specified 215 formatted unformatted file conflict Formatted unformatted file operation conflict 217 attempt to read past end of file 219 attempt to read write past end of record For direct access the record to be read written exceeds the specified record length 220 write after last internal record E 221 syntax error in format string A run time encoded format contains a lexical or syntax error 222 unbalanced parentheses in format string 223 illegal P or T edit descriptor value missing
269. se this property to optimize for Intel Sandy Bridge architecture and compatible processors x64 Setting this property to Yes adds the tp sandybridge 64 switch to compilation Win32 Setting this property to Yes adds the tp sandybridge 32 switch to compilation PVF Reference Guide 135 PVF Properties 5 12 12 Generic x86 Win32 only Use this property to optimize for any x86 processor based system x64 N A Win32 Setting this property to Yes adds the tp px 32 switch to compilation 5 12 13 Generic x86 64 x64 only Use this property to optimize for any x86 64 processor based system x64 Setting this property to Yes adds the tp px 64 switch to compilation Win32 N A 5 13 Fortran Target Accelerators The following properties are available from the Fortran Target Accelerators property page For more information about the PGI s accelerator compilers or on the options in this section refer to the PGI Visual Fortran User s Manual 5 13 1 Target NVIDIA Tesla Use this property to select NVIDIA Tesla targets Setting this property to Yes adds the ta tesla switch to the PVF compilation and link lines and activates access to these additional properties Tesla Register Limit Tesla Use Fused Multiply Adds Tesla Use Fast Math Library Tesla LLVM Tesla Noattach Tesla Pin Host Memory Tesla Autocollapse Tesla Debug Tesla Lineinfo Tesla Unroll Tesla Required Tesla Flush to Zero Tesla CUDA Toolkit Tesla Co
270. searsnsaceseteasensnsaseteeeetenees 8 2 1 4 PGI Linking and Runtime Related Compiler Options ccccccceccesesseseeeeeeseseeseeeeseseseeeceeeeeessnseeaeeeeesanensaeeeettes 8 2 2 Generic PGI Compiler Options ccccccccessesessesesecsesesscsescesescsucaceeeceaesnsusececeacacsnsacececeasansusaceeeeeesansusaceteesateneeeaseeeetes 9 2D No Helena un Gamage arian eta ion AS 9 Dell oca aaa aaea eae Ge ian einen el ain oan 9 Dia od 9 DSC ii daa 9 Relale dopado nanan ted eam nalean mania aunts eee 9 Zils HEPA ds tb vad abe Vass A O da ohct bbadash A A E E Eidos 9 Defa lt ira A 9 A eee ee ee eee eres ere eee erect eeceres tereect E AE 9 Descripteurs aisanana eiar eo iaaa aig nA nda E Ca iea 9 Related Op ssi isnie tania 10 A ra ATAT TST A A AE rere er erteererreeetrerert citer eer NE 10 Del iria dle ie 10 MM e T 10 Uan OLA ATES 10 DESC ii A di AAA 10 Related OPIO Scion e Ad dot 11 224 BOM Cigar nato iia Mave io dao noO 11 A se etetandiss naiihaw dewey idinn dealt han darian dunia an Geren dvesaeania danaent arene 11 O 11 DSC al 11 PVF Reference Guide ii Related VOpllonsS var tae ah Gath Beate AO Oia 11 20 9 BSIAUC eee A aaa aunts 12 Deli aera We antes anise deli vis a aie i da aan inane ies 12 SAG hte ah eRe al UE O te eed A aati Oir 12 DESC eh tien atin Gil nachauna cede A de 12 Related NOISE 12 220 BC EE eden Anarene Ade oun dead dd dd rd 12 Default DU a anda e Description Related Options iuris o dna e
271. secseeeeeaeaeeasaeeseaesnsnsaeeeeseassneasaeeeeeneteneasaeeseeeneees 141 51924 Radeon lr iaa 142 5 13 25 Radeon Talaia io ia ir 142 5 19 20 Radeon li AR A A Sea 142 0 13 27 Radeon Buffer CAU a e saci ally 142 0 19 20 RACK do e Sas 142 5 13 29 Radeon IV Mii a o A aaa eos 142 5 13 30 Radeon Ut lie ai AA A O ca ad 142 DRACONIS 143 A OOOO 143 9 44 Fortran DIAN viii AAA E EE 143 A A O 143 9 14 2 Generate Assema e a a a bis 143 5 143 Annotate ASS Ml iosian elvan a E E E as 144 5 144 Accelerator InTOMAtION coord 144 5145 CGFEF INTO MAtON toca bbs 144 5 14 6 Fortran Language Information ccccessessersesssseesesesseeceseeseeeeseeseeesseeneeeeseeneeesseeneeesseeneeesseeseeesaneneeesseeneeetens 144 A A A d S 144 5 148 IPA Inf rmatica tada rta ibid ido r a aS 144 5 14 9 Loop Intensity Information eceseeseeseseseesseeessseeesesseeeeessesseeesseeeeesseeseeessneseeessneseeessieneeessneaeeessneneeesens 144 5 14 10 Loop Optimization Information scott 144 5 14 11 LRE Information sois abia ean 145 5 14 12 OpenMP Information cccccecsccesscsesececseeeeeesesececaeeceseseseeseeeeseaesecacseseeseacsesasaeeceaeacseeasaeeceataneeseseeseeersneasaeess 145 5 14 13 Optimization Ino MON cm ts ad Gael det cathe AE 145 5 14 14 Parallelization Information sssi enert nanie ainese oea a e Ea ian ak 145 51415 Unified Binary IOMA e ade E E N 145 5 14 16 Vect riz tion Information miii a A a 145 9 19 kme Level POI
272. soc noassoc Enables loop carried redundancy elimination an optimization that can reduce the number of arithmetic operations and memory references in loops The available suboptions are array treat individual array element references as candidates for possible loop carried redundancy elimination The default is to eliminate only redundant expressions involving two or more operands assoc allow expression re association Specifying this suboption can increase opportunities for loop carried redundancy elimination but may alter numerical results noassoc disallow expression re association Mnolre Disable loop carried redundancy elimination Mnoframe Eliminate operations that set up a true stack frame pointer for every function With this option enabled you cannot perform a traceback on the generated code and you cannot access local variables PVF Reference Guide 73 Command Line Options Reference To set this option in PVF use the Fortran Optimization Use Frame Pointer property described in Use Frame Pointer Mnoi4 instructs the compiler to treat INTEGER variables as INTEGER 2 Mpf i indirect generate profile feedback instrumentation this includes extra code to collect run time statistics and dump them to a trace file for use in a subsequent compilation When you use the indirect option Mpfi indirect saves indirect function call targets Mpf i must also appear when the program is linked When the result
273. ssceeeceaesnsusaceeeceasanseseseeeeeatensaseseeeesansneaseeeeetensees 121 9 6 3 gnore Standard Include Palin coi ae a e aa 121 5 6 4 Preprocessor Definitions voii iia ita 121 5 6 5 Undefine Preprocessor Definitions seccccccccsesscecsesecessesesscsesceeesesucseeeeeeaesnsacaceeeasansnsaceeeceasenssaseteeeetensesacees 122 9 Fortran Code Generation nidos 122 57A RUNTIME IV iii rar dada clive bovine bars il ide eave boned ia 122 9 87 FO LOA ii ii 123 5 84 Fortran Diales stas 123 5 8 2 Treat Backslash as Character sisiane airia i ie 123 9 0 3 EXtend Line LM A Aad tiene aed 123 D 8 4 Enable OpenMP Directives 200200300 elo tel 123 5 8 5 Enable OpenACC Directives ceccececsececessesesssescessesessceesceaesesucaceeesesesnsacaeeceacaesusaceeeceasansusaceesesanansecaseeeaees 124 5 8 6 OpenACC AutoparalleliZation eccccecccecsecessesesesessesecsesceesesesaceesceeesesucaeeeeecansnsaceeeeesacsnseceseeeasansnsaseeeseenenees 124 5 8 7 OpenACC ReqUilOd oia EA AA ee AA tds 124 598 OpenACCsROUIINESEG nat eet aah ond eG Sa oes 124 5 9 9 OpenACG Walla is id oa 125 5 8 10 OpenACC Conformance Level aiii ai dt a aii 125 SET OPACO SV anaa E Ae 125 58 LME ia ina 125 5 89 13 Enable CUDA Foc A cane a a ae a nna 125 58 14 CUDA Fortran Register Limit ci dd acia 126 5 8 15 CUDA Fortran Use Fused Multiply AddS ooooooccicinicinnccionmccnccnreccecrrecncnrco corran coronar coran 126 5 8 16 CUDA Fortran Use Fast M
274. strictedToken 166 CreateWellKnownSid DeleteAce DestroyPrivateObjectSecurity DuplicateTokenEx EqualDomainSid EqualSid FindFirstFreeAce GetAce GetCurrentHwProfile GetFileSecurity GetLengthSid GetOldestEventLogRecord GetSecurityDescriptorControl GetSecurityDescriptorGroup GetSecurityDescriptorOwner GetSecurityDescriptorSacl GetSidLengthRequired GetSidSubAuthorityCount GetUserName ImpersonateAnonymous Token ImpersonateNamedPipeClient InitializeAcl InitializeSid IsTokenRestricted IsValidAcl IsValidSid LogonUser LookupAccountName LookupPrivilegeDisplayName LookupPrivilegeValue MakeAbsoluteSD2 MapGenericMask ObjectCloseAuditAlarm ObjectOpenAuditAlarm OpenBackupEventLog OpenEventLog OpenThreadToken PrivilegedServiceAuditAlarm PVF Reference Guide Fortran Module Library Interfaces for Windows DecryptFile DeregisterEventSource DuplicateToken EncryptFile EqualPrefixSid FileEncryptionStatus FreeSid GetAclInformation GetEventLoginformation GetKernelObjectSecurity GetNumberOfEventLogRecords GetPrivateObjectSecurity GetSecurityDescriptorDacl GetSecurityDescriptorLength GetSecurityDescriptorRMControl GetSidldentifierAuthority GetSidSubAuthority GetTokenInformation GetWindowsAccountDomainSid ImpersonateLoggedOnUser ImpersonateSelf InitializeSecurityDescriptor IsTextUnicode IsTokenUntrusted IsValidSecurityDescriptor IsWellKnownSid LogonUserEx LookupAccountSid LookupPrivilegeName MakeAbsoluteSD MakeSel
275. substring or vector triplets is not al lowed cannot be converted E426 WORD type E427 Interface block for E428 Interface block for E429 Interface block for E430 Interface block for E complete 431 Program is too large for S has wron S should h S should n S has wron 425 A record is not allowed in this context g number of arguments ave ot have g Interprocedural Analysis to 132 Illegal type conversion E433 Subprogram called within IND EPENDENT loop not LOCAL 134 Incorrect home array specification ignored 7435 Array declared with zero size An array was declared with a zero or negative dimension bound as real a 1 or an upper bound less than the lower bound as real a 4 2 w4 36 Independent loop not parallelized W437 Type will be mapped to Where DOUBLE PRECISION is not supported 1t is mapped to REAL and similarly for COMPLEX 16 or COMPLEX 32 PVF Reference Guide E438 not supported on this platform 213 Messages This construct is not supported by the compiler for this target S439 An internal subprogram cannot be passed as argument S440 Defined assignment statements may not appear in WHERE statement or WHERE block S441 may not appear in a FORALL block ti 2 A
276. system Default The compiler interprets user inserted shared memory parallel programming directiveswhen linking To disable this option use the nompoption when linking PVF Reference Guide 34 Command Line Options Reference Usage The following command line requests processing of any shared memory directives present inmyprog f pgfortran mp myprog f Description Use the mpoption to instruct the compiler to interpret user inserted OpenMP shared memory parallel programming directives and to generate an executable file which utilizes multiple processors in a shared memory parallel system The suboptions are one or more of the following align Forces loop iterations to be allocated to OpenMP processes using an algorithm that maximizes alignment of vector sub sections in loops that are both parallelized and vectorized for SSE This allocation can improve performance in program units that include many such loops It can also result in load balancing problems that significantly decrease performance in program units with relatively short loops that contain a large amount of work in each iteration The numa suboption uses libnuma on systems where it is available allcores Instructs the compiler to target all available cores You specify this suboption at link time bind Instructs the compiler to bind threads to cores You specify this suboption at link time no numa Uses does not use libnuma on systems where it is available For a
277. t http www pgroup com support Phone support is not currently available PGI documentation is available at http www pgroup com resources docs htm or in your local copy of the documentation in the release directory doc index htm PVF Reference Guide 228 Notice ALL NVIDIA DESIGN SPECIFICATIONS REFERENCE BOARDS FILES DRAWINGS DIAGNOSTICS LISTS AND OTHER DOCUMENTS TOGETHER AND SEPARATELY MATERIALS ARE BEING PROVIDED AS IS NVIDIA MAKES NO WARRANTIES EXPRESSED IMPLIED STATUTORY OR OTHERWISE WITH RESPECT TO THE MATERIALS AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Information furnished is believed to be accurate and reliable However NVIDIA Corporation assumes no responsibility for the consequences of use of such information or for any infringement of patents or other rights of third parties that may result from its use No license is granted by implication of otherwise under any patent rights of NVIDIA Corporation Specifications mentioned in this publication are subject to change without notice This publication supersedes and replaces all other information previously supplied NVIDIA Corporation products are not authorized as critical components in life support devices or systems without express written approval of NVIDIA Corporation Trademarks PGI Workstation PGI Server PGI Accelerator PGF95 PGF90 PGFORTRAN and PGI Unified Binary are t
278. t the compiler uses defaults that are dependent upon the target system Usage In this example the compiler invokes the vectorizer with use of packed SSE instructions enabled pgfortran Mvect sse Mcache align myprog f Related options g O The following list provides the syntax for each M lt pgflag gt option that controls optimization Each option has a description and if appropriate a list of any related options Mcache align Align unconstrained objects of length greater than or equal to 16 bytes on cache line boundaries An unconstrained object is a data object that is not a member of an aggregate structure or common block This option does not affect the alignment of allocatable or automatic arrays To effect cache line alignment of stack based local variables the main program or function must be compiled with Mcache_ align Mconcur option option Instructs the compiler to enable auto concurrentization of loops If Mconcur is specified multiple processors will be used to execute loops that the compiler determines to be parallelizable option is one of the following allcores Instructs the compiler to use all available cores Use this option at link time PVF Reference Guide 68 Command Line Options Reference noJaltcode n Instructs the parallelizer to generate alternate serial code for parallelized loops gt If altcode is specified without arguments the parallelizer determines an appropri
279. t or 64 bit code for AMD Bulldozer and compatible processors 32 or 64 bit depends on the driver on your path core2 generate code for Intel Core 2 Duo and compatible processors haswell generate code that is usable on any Haswell processor based system istanbul generate code that is usable on any Istanbul processor based system k8 generate code hat is usable on any AMD64 and compatible processor k8 64e generate 64 bit code for AMD Opteron Revision E AMD Turion and compatible processors nehalem generate code that is usable on any Nehalem processor based system PVF Reference Guide 51 Command Line Options Reference p7 generate code for Pentium 4 and compatible processors penryn generate code for Intel Penryn Architecture and compatible processors piledriver generate code that is usable on any Piledriver processor based system px generate code that is usable on any x86 processor based system sandybridge Generate either 32 bit or 64 bit code for Intel Sandy Bridge and compatible processors 32 or 64 bit depends on the driver on your path shanghai generate code that is usable on any AMD Shanghai processor based system x64 generate 64 bit unified binary code including full optimizations and support for both AMD and Intel x64 processors Refer to the PGI Release Notes for a concise list of the features of these processors that distinguish them as separate targets when using the PGI compilers and tools Using tp to Generate
280. t_ntoa ntohl select setsockopt 183 shutdown WSAAsyncGetHostByName WSAAsyncGetServByName WSACancelAsyncRequest WSAGetLastError WSASetBlockingHook PVF Reference Guide socket WSAAsyncGetProtoByName WSAAsyncGetServByPort WSACancelBlockingCall WSAIsBlocking WSASetLastError Fortran Module Library Interfaces for Windows TransmitFile WSAAsyncGetProtoByNumber WSAAsyncSelect WSACleanup WSARecvEx WSAStartup 184 Chapter 8 MESSAGES This section describes the various messages that the compiler produces These messages include the sign on message and diagnostic messages for remarks warnings and errors The compiler always displays any error messages along with the erroneous source line on the screen If you specify the Mli st option the compiler places any error messages in the listing file You can also use the v option to display more information about the compiler assembler and linker invocations and about the host system For more information on the Ml ist and v options refer to Using Command Line Options in the PGI Compiler User s Guide 8 1 Diagnostic Messages Diagnostic messages provide syntactic and semantic information about your source text Syntactic information includes information such as syntax errors Semantic information includes information such as unreachable code You can specify that the compiler displays error messages at a certain level with the Minform option The comp
281. ted options pec libs pgf90libs 2 2 42 pgf90libs Instructs the compiler to append PGF90 PGF95 PGFORTRAN runtime libraries to the link line Default The C C compilers do not append the PGF90 PGF95 PGFORTRAN runtime libraries to the link line Usage In the following example a c main program is linked with an object file compiled with pgfortran S pgcc main c myf95 o pgf90libs Description Use this option to instruct the compiler to append PGF90 PGF95 PGFORTRAN runtime libraries to the link line Related options pgct tlibs pgf77libs 2 2 43 r4 and r8 Interprets DOUBLE PRECISION variables as REAL 14 or interprets REAL variables as DOUBLE PRECISION 18 Usage In this example the double precision variables are interpreted as REAL S pgfortran r4 myprog f PVF Reference Guide 42 Command Line Options Reference Description Interpret DOUBLE PRECISION variables as REAL 14 or REAL variables as DOUBLE PRECISION 18 Related options i2 14 18 Mnor8 2 2 44 rc Specifies the name of the driver startup configuration file If the file or pathname supplied is not a full pathname the path for the configuration file loaded is relative to the DRIVER path the path of the currently executing driver If a full pathname is supplied that file is used for the driver configuration file Syntax rc path filename Where path is either a relative pathname relative to the v
282. tel documentation this only affects the x87 operations of add subtract multiply divide and square root In particular it does not appear to affect the x87 transcendental instructions The default precision is system dependent To alter the precision in a given program unit the main program must be compiled with the same pc option The command line option pc val lets the programmer set the compiler s precision preference Valid values for val are 32 single precision 64 double precision 80 extended precision Extended Precision Option Operations performed exclusively on the floating point stack using extended precision without storing into or loading from memory can cause problems with accumulated values within the extra 16 bits of extended precision values This can lead to answers when rounded that do not match expected results For example if the argument to sin is the result of previous calculations performed on the floating point stack then an 80 bit value used instead of a 64 bit value can result in slight discrepancies Results can even change sign due to the sin curve being too close to an x intercept value when evaluated To maintain consistency in this case you can assure that the compiler generates code that calls a function According to the x86 ABI a function call must push its arguments on the stack in this way memory is guaranteed to be accessed even if the argument is an actual constant Thus even if the cal
283. thName GetLargePageMinimum GetLastError GetLogicalDrives GetLogicalProcessorInformation GetMailslotInfo GetModuleHandle GetNamedPipeHandleState GetNativeSystemInfo GetNumaHighestNodeNumber GetNumaProcessorNode GetNumberOfConsoleMouseButtons GetPriorityClass GetPrivateProfileSection GetPrivateProfileString GetProcAddress GetProcessHandleCount GetProcessHeaps GetProcessIdOfThread GetProcessPriorityBoost GetProcessTimes GetProcessWorkingSetSize GetProfilelnt PVF Reference Guide Fortran Module Library Interfaces for Windows GetConsoleSelection Info GetConsoleWindow GetCurrentConsoleFont GetCurrentProcess GetCurrentProcessorNumber GetCurrentThreadld GetDevicePowerState GetDiskFreeSpaceEx GetDriveType GetEnvironmentVariable GetExitCodeThread GetFileAttributesEx GetFileSize GetFileTime GetFirmwareEnvironmentVariable GetHandlelnformation GetLargestConsoleWindowSize GetLocalTime GetLogicalDriveStrings GetLongPathName GetModuleFileName GetModuleHandleEx GetNamedPipelnfo GetNumaAvailableMemoryNode GetNumaNodeProcessorMask GetNumberOfConsolelnputEvents GetOverlappedResult GetPrivateProfilelnt GetPrivateProfileSectionNames GetPrivateProfileStruct GetProcessAffinityMask GetProcessHeap GetProcessld GetProcessloCounters GetProcessShutdownParameters GetProcessVersion GetProcessWorkingSetSizeEx GetProfileSection 174 GetProfileString GetShortPathName GetVolumePathName GetWindowsDirectory GlobalAddAtom GlobalComp
284. that build DLLs should link to the multi threaded DLL runtime and projects that link to these PVF DLLs should also use the multi threaded DLL runtime 5 8 Fortran Language The following properties are available from the Fortran Language property page 5 8 1 Fortran Dialect Use this property to select the Fortran dialect to use during compilation PVF supports two Fortran language dialects Fortran 95 and FORTRAN 77 The dialect determines which PGI compiler driver is used during compilation gt Default The dialect is set to Fortran 95 even for fixed format files and the pgfortran driver is used gt Fortran 77 Use the pgf77 driver You can select the FORTRAN 77 dialect at the project or file level 5 8 2 Treat Backslash as Character Use this property to specify how the compilers should treat the backslash character Default PVF treats the backslash as a regular character This default action is equivalent to adding the Mbacks1lash switch to compilation If you want the backslash character to be treated as an escape character which is how C and C compilers handle backslashes set this property to No For more information on Mbacks lash refer to Fortran Language Controls 5 8 9 Extend Line Length Use this property to extend the line length for fixed format Fortran files to 132 characters Fixed format Fortran files limit the accepted line length to 72 characters To extend the line length for
285. that is if 4 characters are needed then the first 4 are used and the remaining characters are discarded W025 Illegal character ignored The current line contains a character possibly non printing which is not a legal Fortran character characters inside of character or Hollerith constants cannot cause this error As a general rule all non printing characters are treated as white space characters blanks and tabs no error message is generated when this occurs If for some reason a non printing character is not treated as a white space character its hex representation is printed in the form dd where each d is a hex digit S026 Unmatched quote S027 Illegal integer constant Integer constant is too large for 32 bit word S028 Illegal real or double precision constant S029 Illegal constant PVF Reference Guide 188 Messages Illegal hexadecimal octal or binary constant A hexadecimal constant consists of digits 0 9 and letters A F or a f any other character in a hexadecimal constant is illegal An octal constant consists of digits 0 7 any other digit or character in an octal constant is illegal A binary constant consists of digits O or 1 any other digit or character in a binary constant is illegal S030 Explicit shape must be specified for S031 Illegal data type length specifier for The data type length specifier e g 4 in INTEGER 4 is not a constant expression t
286. the STDCALL attribute directive DECS ATTRIBUTE STDCALL in the declaration 7 5 Supported Libraries and Modules The following tables provide lists of the functions in each library or module that PGI supports in DFWIN For information on the interfaces associated with these functions refer to the files located here C Program Files PGI win64 15 10 sre or C Program Files x86 PGI win32 15 10 sre 7 5 1 advapi32 The following table lists the functions that advapi 32 includes Table 30 DFWIN advapi32 Functions AccessCheckAndAuditAlarm AccessCheckByTypeAndAuditAlarm AccessCheckByTypeResultListAndAuditAlarm AddAccessAllowedAce AddAccessAllowedObjectAce AddAccessDeniedAceEx AddAce AddAuditAccessAceEx AdjustTokenGroups AllocateAndinitializeSid AreAllAccessesGranted BackupEventLog ClearEventLog CloseEventLog CopySid CreatePrivateObjectSecurityEx CreateProcessAsUser CreateProcessWithTokenW PVF Reference Guide AccessCheckByType AccessCheckByTypeResultList AccessCheckByTypeResultListAndAuditAlarmByHandle AddAccessAllowedAceEx AddAccessDeniedAce AddAccessDeniedObjectAce AddAuditAccessAce AddAuditAccessObjectAce AdjustTokenPrivileges AllocateLocallyUniqueld AreAnyAccessesGranted CheckTokenMembership CloseEncryptedFileRaw ConvertToAutolnheritPrivateObjectSecurity CreatePrivateObjectSecurity CreatePrivateObjectSecurityWithMultiplelnheritance CreateProcessWithLogonW CreateRe
287. the effect of rounding any results to their declared sizes The find_precision program has a value of 1 8446744E 19 when executed using default extended precision If however Kieee is set the value becomes 1 6777216E 07 single precision This difference is due to the fact that Kieee disables copy propagation so all intermediate results are stored into memory then reloaded when needed Copy propagation is only disabled for floating point operations not integer With this particular example setting the pc switch will also adjust the result The Kieee switch also has the effect of making function calls to perform all transcendental operations Except when the Mnobuiltin switch is set in C the function still produces the x86 machine instruction for computation and arguments are passed on the stack which results in a memory store and load Finally Kieee also disables reciprocal division for constant divisors That is for a b with unknown a and constant b the expression is usually converted at compile time to a 1 b thus turning an expensive divide into a relatively fast scalar multiplication However numerical discrepancies can occur when this optimization is used Understanding and correctly using the pc Mnobuiltin and Kieee switches should enable you to produce the desired and expected precision for calculations which utilize floating point operations Related options K lt flag gt Mnobuiltin PVF Refere
288. the scope indicator gt If the input is in fixed format the comment character or C must begin in column 1 Directives override corresponding command line options For usage information such as the scope and related command line options refer to the the Using Directives and Pragmas section of the PGI Visual Fortran User s Manual PVF Reference Guide 84 Directives Reference 3 1 1 altcode noaltcode The altcode directive instructs the compiler to generate alternate code for vectorized or parallelized loops The noaltcode directive disables generation of alternate code Scope This directive affects the compiler only when Mvect sse or Mconcur is enabled on the command line cpgi altcode Enables alternate code altcode generation for vectorized loops For each loop the compiler decides whether to generate altcode and what type s to generate which may be any or all of altcode without iteration peeling altcode with non temporal stores and other data cache optimizations and altcode based on array alignments calculated dynamically at runtime The compiler also determines suitable loop count and array alignment conditions for executing the alternate code cpgi altcode alignment For a vectorized loop if possible generates an alternate vectorized loop containing additional aligned moves which is executed if a runtime array alignment test is passed cpgi altcode n concur For each auto parallelized loop gener
289. the stack frame organization Table 20 Standard Stack Frame Position Contents Frame 8n 120 rbp argument eightbyte n 80 rbp argument eightbyte 5 Ll PVF Reference Guide 102 Run time Environment Position Contents Frame 128 rbp caller s rbp TA Key points concerning the stack frame gt The parameter area at the bottom of the stack must contain enough space to hold all the parameters needed by any function call Space must be set aside for the four register parameters to be homed to the stack even if there are less than four register parameters used in a given call gt Sixteen byte alignment of the stack is required except within a function s prolog and within leaf functions All registers on an x64 system are global and thus visible to both a calling and a called function Registers Yrbx rsp Yrbp Prsi Jordi r12 r13 r14 and r15 are non volatile Therefore a called function must preserve these registers values for its caller Remaining registers are scratch If a calling function wants to preserve such a register value across a function call it must save a value in its local stack frame Registers are used in the standard calling sequence The first four arguments are passed in registers Integral and pointer arguments are passed in these general purpose registers listed in order Yorcx Zordx r8 r9 Floating point arguments are passed in the first four XMM registers xmm0 xmm1
290. this many dummy arguments in the whole program that are not modified and can be declared as INTENTUN W385 IPA INTENT IN dummy arguments should be INTENT INOUT Interprocedural analysis has found this many dummy arguments in the whole program that were declared as INTENT N but should be INTENT INOUT 386 IPA array alignments propagated Interprocedural analysis has found this many array dummy arguments that could have the inherited array alignment replaced by a descriptive alignment 387 IPA array alignments verified Interprocedural analysis has verified that the prescriptive or descriptive alignments of this many array dummy arguments match the alignments of the actual argument 388 IPA array distribution formats propagated Interprocedural analysis has found this many array dummy arguments that could have the transcriptive distribution format replaced by a descriptive format 389 IPA array distribution formats verified Interprocedural analysis has verified that the prescriptive or descriptive distribution formats of this many array dummy arguments match the formats of the actual argument 390 IPA array distribution targets propagated Interprocedural analysis has found this many array dummy arguments that could have the transcriptive distribution target replaced by a descriptive target 391 IPA ar
291. this option in PVF use the Fortran General Profiling property described in Line Level Profiling on page 407 To enable profiling you must also set the Linker General Profiling property described in Line Level Profiling on page 407 Mrecursive instructs the compiler to allow Fortran subprograms to be called recursively Mnorecursive Fortran subprograms may not be called recursively Mref externals force references to names appearing in EXTERNAL statements Mnoref externals do not force references to names appearing in EXTERNAL statements Mreentrant instructs the compiler to avoid optimizations that can prevent code from being reentrant Mnoreentrant instructs the compiler not to avoid optimizations that can prevent code from being reentrant PVF Reference Guide 60 Command Line Options Reference Msecond_ underscore instructs the compiler to add a second underscore to the name of a Fortran global symbol if its name already contains an underscore This option is useful for maintaining compatibility with object code compiled using g77 which uses this convention by default Mnosecond_underscore instructs the compiler not to add a second underscore to the name of a Fortran global symbol if its name already contains an underscore Msafe_ lastval When a scalar is used after a loop but is not defined on every iteration of the loop the compiler does not by default parallelize the loop However
292. ting this property to Yes adds the ta tesla 11vm switch to the PVF compilation and link lines 5 13 6 Tesla Noattach When Target NVIDIA Tesla is set to Yes use this property to prevent attaching to existing CUDA context Setting this property to Yes adds the ta tesla noattach switch to the PVF compilation and link lines 5 13 7 Tesla Pin Host Memory When Target NVIDIA Tesla is set to Yes use this property to set default to pin host memory Setting this property to Yes adds the ta tesla pin switch to the PVF compilation and link lines PVF Reference Guide 137 PVF Properties 5 13 8 Tesla Autocollapse When Target NVIDIA Tesla is set to Yes use this property to automatically collapse tightly nested loops gt Default Allows the compiler to control automatic collapse of tightly nested loops This select adds no additional sub options to ta tesla gt Yes Enables automatic collapse of tightly nested loops by adding the ta tesla autocollapse switch to the PVF compilation and link lines gt No Disables automatic collapse of tightly nested loops by adding the ta tesla noautocollapse switch to the PVF compilation and link lines 5 13 9 Tesla Debug When Target NVIDIA Tesla is set to Yes use this property to control generation of GPU debug information gt Default Allows the compiler to control generation of GPU debug information This select adds no additional sub options to ta tesla gt Yes E
293. tions v2 ces oe She a Gad ee ees a 2 ieee A he tet ee Be a ce a oy 54 222 54 SU ceeds ed nihil a etal Gi ache ed a eae ane Aone a ed Se nah Gada eee Sh Aachen ated 54 NN 54 Unir i 54 Describa ba 54 Related OPS gt vrai id lali 54 2 2 55 V releas NUMDEr ni aiian onenien kainitan aaee radai kadanan aea bede Vae oira adea a andete 55 Deal ener e a a a aa a a E aa iia oie 55 SAGO A E E EA ls EA 55 Description sssusa nea aa a a a a a a a a a a 55 Related Options iuris a ada ia a aaa 55 Ded E E ES SS E RA OESTE 55 Default ci a a a ed a a ll allie 55 Us iia E a tin Sabin edie traia Sadar aed ade nea sara 56 DSC A das 56 Related ll ur aia 56 DN lO ina 56 MA e dois e E eo dl tis 56 PVF Reference Guide viii A A ANN 56 Related op iii ata 57 2258 Wieder de eer ni avandia andie ni aden ht wisn in ada neal AS 57 Delicia dada 57 US iii 57 Descrip anat tieneetn am aatendsapulmn eea aair aaa aeae E a E an cutters 57 Related options ici A A 57 2 3 M Options by Cae TON siii rta 57 2 3 1 Code Generation Comtrols s csecccsecsecsessssceesecsestevesneeeeneenenceseenssessecnsecsseenseceseenseceseenseceaeeneeceaeenseceneeneneeneenens 57 2 3 2 Environment Cono Sivad 61 2 3 9 Fortran Language Controls iia ad 63 A visdsseseceevict seve e tanya nea ea eee enya E Ae aioe eo ne 66 2 3 9 Optimization CONTTOlS siii As 68 2 3 0 Miscellaneols ControlS iii aa 77 Chapter 3 DIneCtves FRET E INGO ori iaa 84 3 1 PGI Proprietary Fortran D
294. to o gt Project level Use this property to set the location of the object files created by a build To change the default location for the object files specify a different directory name for this property gt You must append a backslash to the directory path or the value of this property will be interpreted as a file 5 4 5 Debug Information Format Use this property to specify whether the compiler should generate debug information and if so in what format gt The richest debugging experience is obtained when this option is set to Full Debug Information g PVF Reference Guide 118 PVF Properties gt Ifyou are debugging a project built with optimizations you may want to select Full Debug Information with Full Optimization gopt This selection prevents the generation of debug information from affecting optimizations For more information on g refer to g For more information on gopt refer to gopt 5 4 6 Optimization Use this property to select the overall code optimization This property can be set to one of the following values gt No Optimization the default value for Debug configurations gt Maximize Speed the default value for Release Configurations gt Maximize Speed Across the Whole Program gt This property is also available from the Fortran Optimization Property page 5 5 Fortran Optimization The following properties are available from the Fortran Opti
295. to restrict the output to information about a specific option The syntax for this usage is this help lt command line option gt gt Add a parameter to help to restrict the output to a specific set of options or to a building process The syntax for this usage is this help lt subgroup gt The following table lists and describes the subgroups available with help PVF Reference Guide 21 Command Line Options Reference Table 9 Subgroups for help Option Use this help option To get this information help variable A list of all variables and their current value They can be redefined on the command line using syntax VAR VALUE Related options 4H show V release_number flags 2 2 22 Adds a directory to the search path for files that are included using either the INCLUDE statement or the preprocessor directive include Default The compiler searches only certain directories for included files Syntax Idirectory Where directory is the name of the directory added to the standard search path for include files PVF Reference Guide 22 Command Line Options Reference Usage In the following example the compiler first searches the directorymydi rand then searches the default directories for include files pgfortran Imydir Description Adds a directory to the search path for files that are included using the INCLUDE statement or the preprocessor directive include Use th
296. tran Floating Point Options property page 5 9 1 Floating Point Exception Handling Use this property to enable floating point exceptions Setting this property to Yes adds the Kt rap fp option to compilation For more information on Kt rap refer to K lt flag gt 5 9 2 Floating Point Consistency Use this property to enable relaxed floating point accuracy in favor of speed Setting this property to Yes adds the Mfprelaxed option to compilation For more information on Mfprelaxed refer to Optimization Controls 5 9 3 Flush Denormalized Results to Zero Use this property to specify how to handle denormalized floating point results gt Default Accepts the default handling of denormalized floating point results gt Yes Enables SSE flush to zero mode using the Mf1ushz compilation option gt No Disables SSE flush to zero mode using the Mnoflushz compilation option For more information on M no flushz refer to Code Generation Controls PVF Reference Guide 131 PVF Properties 5 9 4 Treat Denormalized Values as Zero Use this property to specify how to treat denormalized floating point values gt Default Accept the default treatment of denormalized floating point values gt Yes Enable the treatment of denormalized floating point values as zero using the Mdaz compilation option gt No Disable the treatment of denormalized floating point values as zero using the Mnodaz compilation option For more
297. ts the compiler s dependence analysis and is equivalent to the directive nodepchk 3 1 10 Istval nolstval This directive has no corresponding command line option The compiler determines whether the last values for loop iteration control variables and promoted scalars need to be computed In certain cases the compiler must assume that the last values of these variables are needed and therefore computes their last values The directive nolstval directs the compiler not to compute the last values for those cases 3 1 11 opt The opt directive overrides the value specified by the On command line option The syntax of this directive is cpgi lt scope gt opt lt level gt where the optional lt scope gt is r or g and lt level gt is an integer constant representing the optimization level to be used when compiling a subprogram routine scope or all subprograms in a file global scope 3 1 12 prefetch The prefetch directive the compiler emits prefetch instructions whereby elements are fetched into the data cache prior to first use By varying the prefetch distance it is sometimes possible to reduce the effects of main memory latency and improve performance The syntax of this directive is cSmem prefetch lt varl gt lt var2 gt where lt varn gt is any valid variable member or array element reference PVF Reference Guide 87 Directives Reference 3 1 13 safe_lastval During parallelization scalars with
298. ucts the auto parallelizer to enable auto concurrentization of loops Scope This directive affects the compiler only when Mconcur is enabled on the command line If concur is specified the compiler uses multiple processors to execute loops which the auto parallelizer determines to be parallelizable The noconcur directive disables these transformations however use of concur overrides previous noconcur statements 3 1 6 depchk nodepchk This directive alters the effects of the Mdepchk command line option When potential data dependencies exist the compiler by default assumes that there is a data dependence that in turn may inhibit certain optimizations or vectorizations nodepchk directs the compiler to ignore unknown data dependencies PVF Reference Guide 86 Directives Reference 3 1 7 eqvchk noeqvchk The eqvchk directive specifies to check dependencies between EQUIVALENCE associated elements When examining data dependencies noeqvchk directs the compiler to ignore any dependencies between variables appearing in EQUIVALENCE statements 3 1 8 invarif noinvarif This directive has no corresponding command line option Normally the compiler removes certain invariant if constructs from within a loop and places them outside of the loop The directive noinvarif directs the compiler not to move such constructs The directive invarif toggles a previous noinvarif 3 1 9 ivdep The ivdep directive assis
299. ucture in C C must have the added underscore Here is an example Fortran common block INTEGER I J COMPLEX C DOUBLE COMPLEX CD DOUBLE PRECISION D COMMON COM EET O Cay a C equivalent extern struct aoaie LA ate 3 struct float real imag c struct double real imag cd double d com C equivalent extern C struct i dae Lp te JA struct float real imag c struct double real imag cd double d com The compiler provided name of the BLANK COMMON block is implementation specific Calling Fortran COMPLEX and CHARACTER functions from C C is not as straightforward as calling other types of Fortran functions Additional arguments must be passed to the Fortran PVF Reference Guide 111 Run time Environment function by the C C caller A Fortran COMPLEX function returns its value in memory the first argument passed to the function must contain the address of the storage for this value A Fortran CHARACTER function adds two arguments to the beginning of its argument list The following example of calling a Fortran CHARACTER function from C C illustrates these caller provided extra parameters CHARACTER FUNCTILEON CHE CI 1 CHARACTER Ci INTEGER I END SALSA VO Clase ROF clica mo LO Claaie il Si 9 Moaea LA eine Cums 10 Cl Sir 9D The extra parameters tmp and 10 are supplied for the return val
300. udes all the modules needed to access the Win32 API You can use modules supporting specific portions of the Win32 API separately but DFWIN is the only module you need to use the Fortran interfaces to the Win32 API To use this module add the following line to your Fortran code use dfwin To utilize any of the Win32 API interfaces you can add a Fortran use statement for the specific library or module that includes it For example to use user32 lib add the following Fortran use statement use user32 Function calls made through the module interfaces ultimately resolve to C Language interfaces so some accommodation for inter language calling conventions must be made in the Fortran application These accommodations include gt On x64 platforms pointers and pointer types such as HANDLE HINSTANCE WPARAM and HWND must be treated as 8 byte quantities INTEGER 8 On x86 32 bit platforms these are 4 byte quantities INTEGER 4 GI PVF Reference Guide 165 Fortran Module Library Interfaces for Windows gt In general C makes calls by value while Fortran makes calls by reference gt When doing Windows development one must sometimes provide callback functions for message processing dialog processing etc These routines are called by the Windows system when events are processed To provide the expected function signature for a callback function the user may need to use
301. ue while 9 is supplied as the length of c1 PVF Reference Guide 112 Chapter 5 PVF PROPERTIES There are a number of property pages that are available in a PVF project These property pages are grouped into categories that you can access from the Property Page dialog Further each of PVF s property pages contains one or more properties or configuration options The set of categories and property pages available vary depending on the type of project The properties in a PVF project are divided into the following categories General gt Librarian gt Debugging gt Resources gt Fortran gt Build Events gt Linker Custom Build Step This section contains descriptions of each of PVF s property pages and detailed descriptions of the properties organized as you would see them in the Property Page dialog by category and property page Tip The Fortran Linker and Librarian categories contain a Command Line property page where you can see the command line derived from the properties in that category Options that are not supported by the PVF property pages can be added to the command line from this property page by entering them in the Additional Options field 5 1 General Property Page This section contains the properties that are included on the General property page 5 1 1 General 5 1 2 Output Directory Use this property to specify a relative path to the output file directory This directory is wher
302. ument and a global or COMMON variable may be aliased because the global or COMMON variable is passed as an actual argument If either alias is assigned in the subroutine unexpected results may occur this message alerts the user that this situation is disallowed by the Fortran standard F415 IPA fails incorrect IPA file Interprocedural analysis saves its information in special IPA files in the specified IPA directory One of these files has been renamed or corrupted This can arise when there are two files with the same prefix such as a hpf anda f 90 E416 Argument has the SEQUENCE attribute but the dummy parameter does not When an actual argument is an array with the SEQUENCE attribute the dummy parameter must have the SEQUENCE attribute or an INTERFACE block must be used E417 Interface block for is a SUBROUTINE but should be a FUNCTION PVF Reference Guide 212 E4 18 Interface block for SU BROUT NE 1419 Interface block for is a FUN 120 Earlier directiv 121 direct 4 122 Nonconst 123 Constant D tant DI overrides Messages is a FUNCTION but should be a CTION has wrong result type S directive tive Can only appear in a function or subroutine M argument is not supported E IM argument is out of range 24 Equivalence using
303. unched are local to the system on which the application is run 5 2 8 Working Directory Serial Use this property to specify the application s working directory when it is run or debugged serially By default the working directory is set to the solution directory This property is displayed when the MPI Debugging property is set to Disabled 5 2 9 Number of Processes Local MPI Use this property to specify the number of MPI processes to use when the application is run or debugged The number of processes is passed to mpiexec using the n option This property is displayed when the MPI Debugging property is set to Local 5 2 10 Working Directory Local MPI Use this property to specify the application s working directory when it is run or debugged using local MPI By default the working directory is set to the solution directory This property is displayed when the MPI Debugging property is set to Local 5 2 11 Additional Arguments mpiexec Local MPI Use this property to specify additional arguments to be passed to mpiexec when the application is run or debugged This property is displayed when the MPI Debugging property is set to Local PVF Reference Guide 116 PVF Properties 5 2 12 Location of mpiexec Local MPI Use this property to override the default path to mpiexec as specified in the system PATH variable This property is displayed when the MPI Debugging property is set to Local 9 3 F
304. unction of X where X is a double precision argument derfc REAL 8 Computes the complementary double precision error function of X where X is a double precision argument dsecnds REAL 8 Returns the number of real time seconds since midnight minus the supplied argument value REAL 4 Returns the elapsed user and system time in seconds since the last call to dtime REAL 4 Computes the error function of X where X is Real REAL Computes the complementary error function of X where X is Real REAL 4 Returns the elapsed time in seconds since the start of program execution Immediately terminates the program and passes a status to the parent process STRING Returns the current date and time as an ASCII string REAL 4 Returns the fractional accuracy of a REAL 4 floating point value INTEGER 4 Gets a character or word from an input stream Returns the next byte or and integer REAL 4 Returns the maximum positive REAL 4 lue fputc INTEGER 4 Writes a character or word from an input stream to a logical unit Returns 0 if successful or an error free None Frees memory previously allocated by MALLOC Intended for users compiling legacy code Use DEALLOCATE for newer code fseek INTEGER 4 Repositions the file pointer associated with the specified file Returns 0 if successful 1 otherwise PVF Reference Guide 162 Fortran Module Library Interfaces for Windows Routine Result Description fseek64 INTEGER 4 Repositions the file pointer
305. undefined program behavior The standard function calling sequence does not include any method to detect such failures nor to detect structure and union type mismatches Therefore you must declare the function properly The following table illustrates the stack contents when the function receives control after the call instruction and when the calling function again receives control after the ret instruction Table 15 Stack Contents for Functions Returning struct union Position After Call After Return Position 8 esp argument word 1 argument word 1 0 esp The following sections of this section describe where arguments appear on the stack The examples in this section are written as if the function prologue is used 4 1 3 Argument Passing Integral and Pointer Arguments As mentioned a function receives all its arguments through the stack the last argument is pushed first In the standard calling sequence the first argument is at offset 8 ebp the second argument is at offset 12 ebp as previously shown in Table 15 Functions pass all integer valued arguments as words expanding or padding signed or unsigned bytes and halfwords as needed Table 16 Integral and Pointer Arguments Argument Stack Address PVF Reference Guide 98 Run time Environment Argument Stack Address void 0 20 ebp Floating Point Arguments The stack also holds floating point arguments single precision values use one wor
306. user32 Fortran Module Library Interfaces for Windows Shell_Notifylcon SHEmptyRecycleBin SHFileOperation SHFreeNameMappings SHGetDiskFreeSpaceEx SHGetFilelnfo SHGetNewLinkInfo SHinvokePrinterCommand SHIsFileAvailableOffline SHLoadNonloadediconOverlayldentifiers These are the functions that user32 includes ActivateKeyboardLayout AllowSetForegroundWindow AppendMenu BeginDeferWindowPos BroadcastSystemMessage CallNextHookEx ChangeClipboardChain ChangeMenu CharNext CharPrevEx CharUpper CheckMenultem ChildWindowFromPoint ClipCursor CloseWindow CopyCursor CopyRect CreateCaret CreateDialogIndirectParam CreatelconFromResource CreateMDIWindow PVF Reference Guide SHQueryRecycleBin SHSetLocalizedName WinExecError AdjustWindowRect AdjustWindowRectEx AnimateWindow AnyPopup ArrangelconicWindows AttachThreadInput BeginPaint BringWindowToTop BroadcastSystemMessageEx CallMsgFilter CallWindowProc CascadeWindows ChangeDisplaySettings ChangeDisplaySettingsEx CharLower CharLowerBuff CharNextEx CharPrev CharToOem CharToOemBuff CharUpperBuff CheckDIgButton CheckMenuRadioltem CheckRadioButton ChildWindowFromPointEx CloseClipboard CloseWindowStation Copylcon CountClipboardFormats CreateCursor CreateDialogParam CreatelconFromResourceEx CreateMenu ClientToScreen CloseDesktop CopyAcceleratorTable Copylmage CreateAcceleratorTable CreateDesktop Createlcon CreatelconIndirect CreatePopupMenu 179 CreateWi
307. vents the calling function from using esp relative addressing to get at values on the stack If the compiler does not call routines that leave esp in an altered state when they return a frame pointer is not needed and is not used if the compiler option Mno frame is specified Although not required the stack should be kept aligned on 8 byte boundaries so that 8 byte locals are favorably aligned with respect to performance PGI s compilers allocate stack space for each routine in multiples of 8 bytes Variable Length Parameter Lists Parameter passing in registers can handle a variable number of parameters The C language uses a special method to access variable count parameters The stdarg h and varargs h files define several functions to access these parameters A C routine with variable parameters must use the va_start macro to set up a data structure before the parameters can be used The va_arg macro must be used to access the successive parameters C Parameter Conversion In C for a called prototyped function the parameter type in the called function must match the argument type in the calling function If the called function is not prototyped the calling convention uses the types of the arguments but promotes char or short to int and unsigned char or unsigned short to unsigned int and promotes float to double unless you use the Msingle option For more information on the Msingle option refer to M Options by Category If the call
308. ves the object code in filename o D lt args gt Defines a preprocessor macro Shows but does not execute driver commands drystdinc Displays the standard include directories and then exists the compiler c E Stops after the preprocessing phase and displays the preprocessed file on the standard output Bstatic_pgi Compiles for and links to the static version of the PGI runtime libraries Stops after the preprocessing phase and saves the preprocessed file in filename f This option is only valid for the PGI Fortran compilers flagcheck Simply return zero status if flags are correct Adds a directory to the search path for include files i2 i4 and i8 i2 Treat INTEGER variables as 2 bytes i4 Treat INTEGER variables as 4 bytes i8 Treat INTEGER and LOGICAL variables as 8 bytes and use 64 bits for INTEGER 8 operations K lt flag gt Requests special compilation semantics with regard to conformance to IEEE 754 If the compiler generates a temporary indirect file for a long linker command preserves the temporary file instead of deleting it Specifies a directory to search for libraries Loads a library Displays a link map on the standard output Selects variations for code generation and optimization Save search for module files in directory lt moduledir gt Interpret and process user inserted shared memory parallel programming directives Ignore unknown command line switches after printing an warning mes
309. was not optimized by interprocedural analysis either because it was not declared in the main program or because it was declared differently in different subprograms E400 IPA dummy argument is an asterisk but actual argument is not a label The subprogram expects an alternate return label for this argument E401 Actual argument is a subprogram but Dummy argument is not declared EXTERNAL The call statement passes a function or subroutine name to a dummy argument that is a scalar variable or array ti 402 Actual argument is illegal ti 403 Actual argument and formal argument have different ranks The actual and formal array arguments differ in rank which is allowed only if both arrays are declared with the HPF SEQUENCE attribute E404 Sequential array section of in argument is not contiguous When passing an array section to a formal argument that has the HPF SEQUENCE attribute the actual argument must be a whole array with the HPF SEQUENCE attribute or an array section of such an array where the section is a contiguous sequence of elements E405 Array expression argument may not be passed to sequential dummy argument When the dummy argument has the HPF SEQUENCE attribute the actual argument must be a whole array with the HPF SEQUENCE attribute or a contiguous array section of such an array unless an INTERFACE block is used E406 Actual
310. xecutables libraries and include files for the PGI development environment The name of the current project platform for example x64 The name of the current project platform architecture For Win32 32 For x64 64 The name of the current project platform for example x64 The description of the architecture ABI for the current project platform For Win32 x86 For x64 amd64 SiTargetDir TargetExt PVF Reference Guide S TargetDir The directory of the primary output fle ofthe bul S The directory ofthe primary output fle of the build of the primary output file of the build The file extension of the primary output file of the build including the before the file extension 156 PVF Build Macros Macro Name Description TargetFileName The file name of the primary output file of the build TargetPath The full path name of the primary output file of the build VCInstallDir The Visual C installation directory If Visual C is not installed this macro may evaluate to a directory that does not exist VSInstallDir The Visual Studio installation directory WinSDKDir PVF only The location of the Windows 8 1 SDK installation directory including files needed for building Microsoft Windows applications for both 32 bit and 64 bit environments PVF Reference Guide 157 Chapter 7 FORTRAN MODULE LIBRARY INTERFACES FOR INDIOS PGI Visual Fortran provides acc
311. y a S parortran 1 lajo i 1 Olilos 1yY mnro E PVF Reference Guide 26 Command Line Options Reference Description Use the L option to specify a directory to search for libraries Using L allows you to add directories to the search path for library files Related options I 2 2 21 I lt library gt Instructs the linker to load the specified library The linker searches lt library gt in addition to the standard libraries The linker searches the libraries specified with l in order of appearancebeforesearching the standard libraries Syntax SIM okay Where library is the name of the library to search Usage In the following example if the standard library directory is 1ibthe linker loads the library 1ib 1ibmylib a in addition to the standard libraries pgfortran myprog f lmylib Description Use this option to instruct the linker to load the specified library The compiler prepends the characters lib to the library name and adds the a extension following the library name The linker searches each library specified before searching the standard libraries Related options Al 2 2 28 M Generate make dependence lists You can use MD filename pgc only to generate make dependence lists and print them to the specified file 2 2 29 m Displays a link map on the standard output PVF Reference Guide 27 Command Line Options Reference Default The compiler does display the link map and
312. y less than that obtained with a native binary PVF Reference Guide 52 Command Line Options Reference The special tp x64 option is equivalent to tp k8 64 p7 64 This switch produces PGI Unified Binary programs containing code streams fully optimized and supported forbothAMD64 and Intel 64 processors For more information on unified binaries refer to the section Processor Specific Optimization and the Unified Binary in the PGI Compiler User s Guide Related options All M lt pgflag gt options that control environments as listed in Environment Controls 2 2 02 nojtraceback Adds debug informationfor runtime traceback for use with the environment variablePGI_TERM Default The compiler enables traceback for FORTRAN and disables traceback for C and C Syntax traceback Usage In this example pgfortran enables traceback for the program myprog f pgfortran traceback myprog f Description Use this option to enable or disable runtime traceback information for use with the environment variable PGI_TERM Setting set TRACEBACK OFF insitercor mypg rc also disables default traceback Using ON instead of OFF enables default traceback Related options None 2 2 53 U Initializes the symbol table with lt symbol gt which is undefined for the linker An undefined symbol triggers loading of the first member of an archive library Default The compiler does not
313. y might find yourself wanting to know much more about specific areas or specific topics To facilitate ease of use this manual contains detailed reference information about specific aspects of the compiler such as the details of compiler options directives and more This guide contains these sections Fortran Data Types describes the data types that are supported by the PGI Fortran compilers Command Line Options Reference provides a detailed description of each command line option Directives Reference contains detailed descriptions of PGI s proprietary directives Run time Environment describes the programming model supported for compiler code generation including register conventions and calling conventions for x86 and x64 processor based systems running a Windows operating system PVF Properties provides a description of Property Pages that PGI supports PVF Build Macros provides a description of the build macros that PVF supports Fortran Module Library Interfaces for Windows provides a description of the Fortran module library interfaces that PVF supports Messages provides a list of compiler error messages PVF Reference Guide xix Preface Hardware and Software Constraints This guide describes versions of the PGI Visual Fortran that are intended for use on x86 and x64 processor based systems Details concerning environment specific values and defaults and system specific features or limitations are presented in the release
314. ytes on your compile line it is only used during the link step of your build Similarly stack no check can be specified on your link line but it s only used during the compile step of your build Related options Mchkstk 2 2 49 ta tesla tesla_suboptions radeon radeon_suboptions host Defines the target accelerator and the type of code to generate This flag is valid for Fortran C and C on supported platforms There are three major suboptions tesla tesla_suboptions radeon radeon_suboptions host Default The compiler uses ta tesla host Usage In the following example tesla is the accelerator target architecture and the accelerator generates code for compute capability 3 0 pgfortran ta tesla cc30 PVF Reference Guide 46 Command Line Options Reference In the following example radeon is the accelerator target architecture and the accelerator generates code for Radeon Cape Verde architecture pgfortran ta radeon capeverd Description Use this option to select the accelerator target and optionally to define the type of code to genertate The ta flag has the following options tesla Select the tesla accelerator target This option has the following tesla suboptions cc20 Generate code for compute capability 2 0 cc2x Generate code for the lowest 2 x compute capability possible cc2 Is equivalent to cc2x cc3x cc30 Generate code for compute capability 3 0 ec35 Generate cod

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