Pipeline Pilot Interface to Hyde User Guide
Contents
1. Pipeline Pilot Interface to Hyde Version 3 2 5 1 User Guide for Hyde version 3 2 5 and above and Pipeline Pilot version 6 1 and above Edgar Derksen Sally Hindle HE m nad N amp 1010 Fraunhofer Institut nof Algorithmen und Wissen Lu 118 schaftliches Rechnen This document contains proprietary information of BioSolveIT GmbH and is protected by copyright It is provided together with Software of BioSolvelT under a license agreement and may be used only in accordance with the terms and conditions of this agreement The document serves solely for the purpose of using the Software No part of the document may be transferred to any third party or reproduced as a whole or in parts without written permission from BioSolvelT Base software 2001 by Fraunhofer Gesellschaft FhI SCAD Getline library 1993 by Chris Thewalt PVM library 1997 by University of Tennessee Knoxville TN Python library 1991 1995 by Stichting Mathematisch Centrum Amsterdam The Netherlands 2012 BioSolveIT GmbH An der Ziegelei 79 53757 St Augustin Germany Phone 49 2241 2525 0 support biosolveit de Contents Contents 1 Quick Start Steps 11 Download and Import current Hyde Package 2 2222 20 1 2 Install Hyde s sse oe RM RRS Dl ae Riel L3 Create or Update Profocols u ace Er aa sender AAA A 2 Introduction ZIA fica er ea ee are 2 2 Hyde Components in Pipeline Pilot lt2. 3_ Installation 3 1 BioSolvelT Web Installation 2 HH mn nn 3 2 Using the Hyde Installation Component o o o ooo oo ooo A en ea LIRA ERE o 35 Running Hyde in Parallel in Pipeline Pilot 3 5 1 The Default Set Up Maintaining the Pipeline Effect 3 5 2 Running in Parallel on the Pipeline Pilot Server 3 5 3 Running in Parallel on a Remote Linux Cluster 3 5 4 Example Scenarios and Required SettingS 2 2 2 AAA AA de tata Rep CORR AR Y PM I diet 10 10 11 4 CONTENTS 4 Trouble Shooting 19 4 1 Problems connecting to the external installation 19 42 Problems using the ssh Method Li xs cv dd a2 0 a a 20 43 Further help and BioSolvelT PDF Reporter 2 2 2222 20 5 Tips and Tricks 23 5 1 Other Significant Parameters in the Hyde Components 23 5 1 1 lt Has Same Pile System AAA 23 5 2 Accessing Other Domains within Pipeline Pilot 23 25 Bibliography 25 Quick Start Steps Download and Import current Hyde Package Download current Hyde in PipelinePilot package on http www biosolveit de download 2 Extract Hyde package to a custom directory 3 From the custom directory import all components xml using PP Client via drag and drop to your components collection Install Hyde Drag and drop Hyde installation component from the components collection to an
3. empty protocol Add your license for the executable of Hyde in the field for the parameter lt Run Hyde gt on PP Server gt License Server or License File gt in the Implementation tab if your license is available from a license server simply type in the name of the server in this format servername or if you have a license file then you may browse for it using the facility 3 Run protocol once it will result into a html report showing installation success For alternative installations and more details see chapter 3 Create or Update Protocols Drag and drop new components into a new protocol Update via a right click drag and drop of new component onto component reference in a protocol Now you are ready to setup the new components and run your protocol CHAPTER 1 QUICK START STEPS Introduction 2 1 About Hyde With the advent of LeadIT 2 0 came a revolution in binding affinity prediction Hyde Scor ing This radically new scoring function is based on pure physical principles the hydro gen bond energy and the hydrophobic effect are both implemented in a consistent way via atomic logP increments The distinctly new approach in Hyde is the heavy penalization of unmet interactions A hydrogen bond taken out of the solvent and not having an ideal partner in the protein or the phenyl ring that is dehydrated and put into a hydrophilic active site region Thus not by rewarding H bonds but by pen
4. The Pipeline Pilot server is given 10 processes The 10 processes start an ssh job respectively distributed amongst the ssh hosts The Pipeline Pilot server will run with the number of processes given in lt Processes gt However in this case the processes the server receives are not the Hyde calculations them selves but instructions for starting the ssh jobs The server iterates through its 10 jobs each time spawning an ssh job on a Linux host Beware that the Pipeline Pilot server does not know how many processors the Linux hosts have so make sure you choose the number of 16 CHAPTER 3 INSTALLATION lt Processes gt to fit the number of Linux hosts and their number of processors respectively be careful not to overload the Linux hosts Figure 3 6 shows the detailed settings required to set up the calculation as in figure 3 5 8 85 req P 8 User Mode El Run FTrees E via SSH Executable ftrees exe Configuration file config ft dat Host Expert via SSH software BioSolvelT ftrees ftrees home ed erk22s config ft dat hosti host2 host3 host4 host5 User ederk22s Password 1 Options El Parallel Processing Options True Batch Size 500 Server Processes 10 Preserve Order True Implementation Parameters Figure 3 6 The options for parallel processing for the example shown in figure B 5 would look similar to these As you may already have realised you could enter more than one Pipeline Pilot
5. 2 0 1 bin hyde 2 0 1 3 For the parameter Run Hyde gt via SSH gt Host enter the Linux machine host name e User specific steps 1 For the parameter Run Hyde gt via SSH gt User gt enter the user login name for ssh on the Linux machine 2 For the parameter Run Hyde gt via SSH gt Password gt enter the user password for ssh on the Linux machine 3 5 RUNNING HYDE IN PARALLEL IN PIPELINE PILOT 13 3 There are more advanced options to be found under lt Run Hyde gt via SSH gt Options gt for more specific ssh parameters Note the option lt Run Hyde gt via SSH gt Options gt Delete Results gt may be useful for trouble shooting later You can save these settings in the components be sure not to save your own user specific login details in components available to others All files necessary for the Hyde calculation will be transferred via scp between the Pipeline Pilot server and ssh Linux machine Files copied and files created the remote server are automatically deleted at the end of the job leaving no trace However in case the user would like to leave a copy of the calculation and result files on the Linux machine or for trouble shooting as mentioned above it is possible to set a parameter to tell Pipeline Pilot not to delete these files lt Run Hyde gt via SSH gt Options gt Delete Results gt False 3 5 Running Hyde in Parallel in Pipeline Pilot Hyde in Pipeline Pilot takes adva
6. a list of the server names at the parameter lt Server gt Below that for the parameter lt Processes gt enter a list of the number of processes each server should receive The lists are both comma separated and must be in corresponding order Remember to adjust also the lt Batch Size gt accordingly Note the path to the external installation of Hyde must be same on all servers 3 5 3 Running in Parallel on a Remote Linux Cluster We have developed an implementation in the components whereby a large cluster can be incorporated to run Hyde jobs without them having to be Pipeline Pilot servers However it must be a Linux cluster and the components must use the ssh method You must also have enough Hyde licenses available to the cluster The settings in the Implementation tab must be made as for running the ssh method with two important changes Instead of one lt Run Hyde gt via SSH gt Host gt enter a comma separated list of the host names in the Linux cluster Then you must choose how many batchs in total you want the job to be split into and enter this total in the lt Processes gt parameter Remember to change the lt Batch Size gt to fit with the number of processes Figure 3 5 may help clarify how the method works 8 y help y 10 Processes 1 Server 10 ssh logins 5 ssh hosts Host 1 a z Host 2 PP Server sede Host 3 m Host 5 Figure 3 5 The method of parallel processing on Linux clusters in the Hyde components
7. component to uninstall all Hyde versions Note that this kind of deinstallation only removes Hyde versions installed by Hyde installer component or BioSolvelT web installer component Trouble Shooting 4 1 Problems connecting to the external installation Other most commonly seen problems with Hyde in Pipeline Pilot is with the connection to the external Hyde installation For one thing Hyde itself must be correctly installed on the system independently of Pipeline Pilot it is essential first to make sure this is the case especially to make sure that Hyde can locate the licenses Once Hyde runs fine on your system the remaining key task is to make sure the paths to the executable and configuration file are correct within the Pipeline Pilot components The simplest test to check whether Hyde is running OK in Pipeline Pilot is to set up the workflow shown in section with just 10 molecules or so If something is amiss with the connection to the external installation you will see an error message box pop up Check the paths to the executable or to the configuration file If it seems Hyde could be started but not run the problem almost always lies either with the path to the configuration file or with licenses not being found If Hyde runs OK independently from Pipeline Pilot then it is likely to be the path to the configuration When the error messages pop up they may contain an HydeError in the error message box as in figure 4 1 G
8. component which summarizes installation data into one pdf file Send all the information to support biosolveit de 4 3 FURTHER HELP AND BIOSOLVEIT PDF REPORTER 21 p mew E Last error FTrees Calculator Error FTrees executable run into Error FTrees Exit Code not 0 See Jobs Window FTrees Calculator Debug for more Information DK Help Locate Error Details gt gt Figure 4 1 An error box reporting that the Hyde exe exited with error Jobs Protocol Name Status New Protocoll Finished Errors txt FTrees Calculator Debug New Protocolli Running New Protocoll12 Finished Jobs Help Error Figure 4 2 The full error report can be found in the Jobs tab 22 CHAPTER 4 TROUBLE SHOOTING Tips and Tricks 5 1 Other Significant Parameters in the Hyde Components For detailed documentation of all parameters for allcomponents refer to the documentation you find in the Help area of the Pipeline Pilot window We list here particularly interesting parameters those that greatly influence the workflow or change the outcome of calculations or those that may help you understand what is hap pening in the components 5 1 1 Has Same File System gt HydeCalculator Similarity Implementation lt Run Hyde gt via SSH gt Options gt Has Same File System gt Normally for an ssh job Pipeline Pilot must first copy all the data required by Hyde to the lt Run Hyde
9. server at the lt Server gt parameter along with another entry for number of lt Processes gt as a comma separated list to execute a doubly parallel calculation Note to get this method to work you will need to change the maximum number of processes per Pipeline Pilot server The Pipeline Pilot Client will let you enter any number for the lt Processes gt parameter and does not warn you if this number is above the maximum Changing the maximum number requires Administrator rights The number of processes per Pipeline Pilot server is usually restricted to the number of processors of the server You must override this maximum to be able to set the number of processes you want for your parallel calculation In the above example the maximum must be set to 10 or more Take the following steps e Goto the Scitegic Server Home Page for example via the Help menu in your Pipeline Pilot client e Click on Pipeline Pilot Administration Portal and log in with the Administrator user name and password e In the last field of the table Maximum number of simultaneous parallel processing subprotocols allowed change the value click Save and log out again 3 5 RUNNING HYDE IN PARALLEL IN PIPELINE PILOT 3 5 4 Example Scenarios and Required Settings ssh ops Parallel Processing Options Number of PP servers in list Number of ssh Hosts in list Number of Processes ops False 1 Behavior The calculation will run as
10. Pilot client e Click on Pipeline Pilot Administration Portal and log in with the Administrator user name and password e In the Security tab go to Authentification e For the Authentification Method choose DOMAIN and a set of parameters will ap pear e Enter the domain name in the field Domain and choose Full for Impersonation e Choose DOMAIN for Retrieve Groups and leave Limit access to listed domains set to No e click Save and log out again After you have done this you will need to enter your domain login details when you start the Pipeline Pilot Client Bibliography
11. alizing unfavorable situations false positives are effectively ruled out in an in silico screen Hyde aims at helping teams of MedChems and CompChems to decide which molecules to further pursue in a synthesis also you could rank a series of compounds regarding their score More application fields could be the refinement of crystal structures or checking the effects of molecular variations on antibiotics resistances 2 2 Hyde Components in Pipeline Pilot The Hyde Scorer Component rescores docking results First set up a Docking project within LeadIT and save as Project fxx Set up your Project file at parameter Hyde Project File For each molecule at input port the component calculates a new score CHAPTER 2 INTRODUCTION Installation 3 1 BioSolvelT Web Installation The easiest way to download and install BioSolvelT packages and tools is to download and run BioSolveIT Web Installer component Download BioSolvelT in PipelinePilot package from http www biosolveit de download Read UserGuide within that package for fur ther details Note that both PP Client and PP Server need web access to run BioSolveIT Web Installer Without web access you need to follow one of the following sections in this chapter 3 2 Using the Hyde Installation Component The Hyde components are set by default to use a so called auto installation of Hyde This works as follows When you run either of the Hyde Calculator or Similarity components and the paramet
12. ble that you entered This method is given the name on PP Server On Pipelinepilot Server You can see an exam ple in figure 1 User Mode Default El Run FTrees o en PP Server E onPP Server Use Preinstalled FTrees __ Becutable t CAProgram Files 86 BioSolvlT FTrees213 bin ftrees 0e _ Configuratior C Users Edgar Documents config_ft dat Implementation Parameters Figure 3 1 on PP Server Connect to an Hyde Installation on the Pipeline Pilot Server e Requirement Hyde is installed on the Pipeline Pilot server You can see which machine is the Pipeline Pilot server by starting your copy of Pipeline Pilot Client on your own workstation and find the name or IP of the server shown at the bottom right of the status bar see figure B 2 You must find where the Hyde installation is on that machine IE Pipeline Pilot Professional Client File Edit View Tools Window Help base x X amp o 1 E gt DAM Ce Favorites a Generic Chemistry eder Prot comp Help Help es Parameters Implementation Information Error Ready Server localhost 6 0 2 7 Figure 3 2 See where your Pipeline Pilot Server is installed e General Steps 1 Set lt Run Hyde gt to on PP Server 2 Set lt Run Hyde gt Use gt to Preinstalled Hyde 12 CHAPTER 3 INSTALLATION 3 For the parameter lt Run Hyde gt on PP Server gt Executabl
13. contact ft dat loaded gt gt TRANSFORM software BioSolveIT hyde2 0 1 static data transform dat loaded gt gt GRAPHIC software BioSolveIT hyde2 0 1 static data graphic ft dat loaded 4 2 Problems using the ssh Method You may also experience problems using the ssh login for example the user name is un known or the host is not found 4 3 Further help and BioSolvelT PDF Reporter More complicated errors may arise during the running of Hyde Again though the errors will be collected and as much information shown as possible If you are familiar with Hyde you may want to take a look at all the output of the job yourself to see if you can recognize the problem In this case you can look in the temporary folders Pipeline Pilot sets up inter nally to find the output or if you are working with the ssh method set the parameter Run Hyde gt via SSH gt Options gt Delete Results to False so that you may then find the files retained on the ss host these will be in the directory set under the ssh parameter Run Hyde via SSH Options gt Temp Path see the help text associated with this parameter to find its default value essentially a cryptically named folder whose name begins with the date and time of the job If you still do not know what is causing the errors write down as much information as possi ble relating to your installation scheme You can also create a PDF Report unsing BioSolvelT PDF Reporter
14. done by an Hyde installation component yet Goto Administratin Portal accessible through the Server Home Page at http localhost 9944 if PP Server is installed on your local machine The Server Home Page is also available through your PP Client in menu lt Help gt Server Home Page gt Use default name scitegicadmin and password scitegic if you have not changed it yet Browse to lt Setup gt Globals gt Add Custom Global Protocol Properties Note that defining parameters within your protocol will override global variables if they are named the same Use parameters within your protocol instead of global variables only if you want to use a custom installation for that protocol The first variable file_server_Hyde_executable must be set to the full path of Hyde exe cutable available by the PP Server Example C Program Files x86 BioSolveIT FTrees ftrees exe The second variable file_server_Hyde_config must be set to the full path of Hyde configu ration Example C Program Files x86 BioSolveIT FTrees config_ft dat In comparison to Hyde auto installation see section 3 2 you need to check the compatibility between your defined installation and the components 3 4 Using Custom External Hyde Installations You can also use an existing external installation of the Hyde software This means you also have the opportunity to use settings different to those set by default To do this you must already have Hyde installed so
15. e gt enter the path to the Hyde installation on Pipeline Pilot server For example C Programs BioSolveIT Hyde2 bin hyde exe You can save these settings in the components 3 4 2 To Connect to an Hyde Installation on a Remote Linux Server Your existing Hyde installation could be on a Linux computer remote from the Pipeline Pilot server in this case we offer an alternative so you can use the remote installation in stead Here the calculations carried out by Hyde will be done on the remote Linux machine Pipeline Pilot logs into the Linux machine using ssh having copied all relevant files to the machine and will run the calculation there finally it needs copying back all data to the Pipeline Pilot server to continue with the pipeline This method is given the name via SSH You can see an example in figure 3 Implementation User Mode Default v E Run FTrees via SSH E via SSH Executable ft software BioSolvelT ftrees ftrees Configuratior home ederk22s config ft dat Host rho User ederk22s ccce Password Figure 3 3 via SSH Connect to an Hyde Installation on a Remote Linux Server via ssh e Requirement Hyde is installed on a Linux machine available to the Pipeline Pilot server via ssh e General Steps 1 Set Run Hyde to via SSH 2 For the parameter Run Hyde gt via SSH Executable gt enter the path to the Hyde installation on the Linux machine For example software BioSolveIT hyde
16. er Run Hyde gt is set to on PP Server and the parameter Run Hyde gt on PP Server gt Use is set to FTrees Auto Installation they search for a Hyde installation in the directory scitegic install directory public bin BioSolveIT and use this installation to run the calculation A html report pupup shows if a Hyde instal lation is not found in this directory Use Hyde installer component to install Hyde prior to run calculations In case of a default setup you don t need administrator rights to do this as it is actually Pipeline Pilot that car ries out the installation and not you as a user In special cases your system administrator prevents installations by PP and you need to ask him to install Hyde As this installation knows nothing about the licenses you may have for Hyde you have to supply the license information separately This is supplied using the parameter Run Hyde gt on PP Server gt License Server or License File as described above in the section I The installation is carried out once only for that Hyde version and only once per server not per user The software is available to all users once it is installed 9 10 CHAPTER 3 INSTALLATION 3 3 Using Global Variables Use global variables as an alternative to the Hyde installation component decribed in section Note that global variables will only be used if components are set to run auto installation see section 3 2 but no installation is
17. gt via SSH gt Host gt using scp This is time consuming It is possible that the Pipeline Pilot Server and lt Run Hyde gt via SSH gt Host gt actually share the same file system rendering the scp process unnecessary Select True if the Pipeline Pilot Server and lt Run Hyde gt via SSH gt Host gt share the same File System no copying of data is necessary Selecting False means Pipeline Pilot copies all the data to and back from the Run Hyde gt via SSH gt Host gt this is just a little slower but will always still work Leave the parameter set to False if you are uncertain 5 2 Accessing Other Domains within Pipeline Pilot Often in house data or even your own working data are accessible from a windows com puter via a domain a path starting for example z or A which you cannot find from within Pipeline Pilot That means you must first literally transfer the data to the Pipeline Pilot Server itself If you are using a Linux Pipeline Pilot server this hint does not apply 23 24 CHAPTER 5 TIPS AND TRICKS To get around this problem and make the Pipeline Pilot working environment much more flexible you can allow users access to domains you need Administrator rights to be able to do this Also check first that you should change these settings as they may have already been set to fit the current environment e Go to the Scitegic Server Home Page for example via the Help menu in your Pipeline
18. ly benefit very large jobs above 200 000 pipeline molecules or so For the Hyde Calculator this number is much lower as the calculation of feature trees is much slower We suggest 5 000 Of course these figures depend on the speed of your machines and network experiment with your set up if you intend to carry out such large calculations often Also we advise you to read the Pipeline Pilot documentation about parallel processing to understand more fully how it works Note to set up large parallel processing jobs you will need Administrator rights to change one setting 3 5 1 The Default Set Up Maintaining the Pipeline Effect By default the components are set to run in parallel on the localhost the Pipeline Pilot server with only one process in essence not a parallel calculation at all These are the default values below we give an explanation for these settings e on PP Server method of connection to the external Hyde installation Hyde is installed on the Pipeline Pilotserver e lt Parallel Processing Options gt is set to True e lt Server gt set to localhost e lt Processes gt 1 The idea behind using these settings is to enhance the pipeline effect for the Hyde com ponents not to run a true parallel calculation By choosing these settings Pipeline Pilot is forced to collect the incoming pipeline molecules into sets As soon as one set is complete a set contains the number of molecules set by the parameter lt Batch Si
19. mewhere on your system outside of Pipeline Pilot To install Hyde yourself visit the download page at BioSolvelT http www biosolveit de download and fetch the download package for your system for the latest Hyde package Follow the instructions in the package to install Hyde and receive your licenses Enter the license in formation for Hyde as described in the package and not using the parameter lt Run Hyde gt on PP Server gt License Server or License File gt as for the internal installation To use an external installation of Hyde you must change the value of the parameter lt Run Hyde gt on PP Server gt Use gt in the Implementation tab to preinstalled Hyde There are actually two ways to use Hyde with an external installation These are by using Hyde installed directly on the Pipeline Pilot server or by accessing a remote machine where Hyde is installed using ssh method The method is selected using the parameter lt Run Hyde gt Both methods are covered in more detail below 3 4 USING CUSTOM EXTERNAL HYDE INSTALLATIONS 11 3 4 1 To Connect to an Hyde Installation on the Pipeline Pilot Server The most common scenario is that you will have an installation of Hyde on the Pipeline Pilot server If you choose this option you just have to enter the path to the executable and configuration file as parameters in the Implementation tab Pipeline Pilot will then just start Hyde whenever it is required by making a call to the executa
20. ntage of the parallel computing options available in Pipeline Pilot to speed up longer calculations This section tells you how to adjust the op tions to your system and needs These options are only relevant to the Hyde Calculator and Similarity components You will find the options in the Implementation tab as in figure 3 4 Implementation sshHost sshUser sshPassword Optionally al arallel Pri Batch Size E Server Processes Preserve Order 1 Parameters Implementation hosti a userl i Krk True E 500 localhost n True gt Figure 3 4 The options for tuning parallel processing are found in the Implementation tab The most important limitation to a parallel processing calculation is the number of Hyde licenses that you have If you only have a single license then parallel calculations will not be possible Further choices in the set up of the parallel computing computing calculation depend on the number of Pipeline Pilot licenses you have plus your choice of connection to the external Hyde installation on PP Server or via SSH It is important to note that a balance must be achieved between the overhead caused by running several calculations instead of one and the size of the calculation there is a lot of overhead involved in sending all the essential data to different computers and collecting the 14 CHAPTER 3 INSTALLATION results For the Hyde Similarity component we think parallel computing will on
21. o to the Jobs tab below the Protocol workspace and check under the last run job for a file called HydeComponent Debug as in figure Clicking on the link brings up HTML report with input and output data in a browser A correctly started Hyde job outputs the following header if there is a problem you will see some of this header and the point where the problem occurs FIREES Feature based molecular similarity finder Version 2 0 2 11 08 08 Modules PVM FFS written by Matthias Rarey Marc Zimmermann 19 20 CHAPTER 4 TROUBLE SHOOTING Sally Hindle Robert Fischer j copyright by BioSolve IT GmbH FhG SCAI Sankt Augustin Germany for further information mail hyde info biosolveit de Additional copyright notes getline library C 1993 by Chris Thewalt PVM library C 1997 by University of Tennessee Knoxville TN gt gt Hyde configuration file software BioSolveIT Hyde hyde2 0 1 config ft dat loaded gt gt Licensed modules Hyde PVM FFS gt gt PVM status no pvm daemon running sequential gt gt Scripts ar xecuted in sequential mode start PVM for parallel mode gt gt SETTINGS software BioSolveIT hyde2 0 1 static data hyde settings dat loaded gt gt CHEMPAR software BioSolveIT hyde2 0 1 static data chempar dat loaded gt gt CONTACT software BioSolveIT hyde2 0 1 static data
22. one complete job on the Pipeline Pilot server ssh ops ssh Parallel Processing Options False Number of PP servers in list Number of ssh Hosts in list 1 Number of Processes Behavior The calculation will run as one complete job on the ssh host ssh ops ops Parallel Processing Options True Number of PP servers inlist 1 Number of ssh Hosts in list Number of Processes 1 Behavior Default Induces the pipeline effect the job will run in chunks on the server processor s ssh ops ops Parallel Processing Options True Number of PP servers inlist 1 Number of ssh Hosts in list Number of Processes gt 1 Behavior A true parallel effect the job will be run in chunks on the server processors ssh ops ops Parallel Processing Options True Number of PP servers in list Number of ssh Hosts in list 4 each with two processors 2 2 2 2 Number of Processes Behavior A true parallel effect the job will run in chunks in par allel split across 8 processors ssh ops ssh Parallel Processing Options True Number of PP servers in list 1 Number of ssh Hosts in list 5 each with 2 processors Number of Processes 10 Behavior A true parallel effect the job will run in chunks in par allel split across 10 processors 18 CHAPTER 3 INSTALLATION 3 6 Uninstallation Use the Hyde installer component to uninstall previous Hyde versions by switching Param eter Uninstall Previous Versions to True Use BioSolvelIT Uninstaller
23. ze gt Pipeline Pilot starts the calculations for the component Hence the Hyde components are already running while the pipeline continues to deliver molecules saving time As soon as all molecules have arrived the pipeline continues Note that the lt Batch Size gt parameter for both components is set more with this idea in mind rather than for a true parallel calculation If the option lt Parallel Processing Options gt is set to False all molecules must arrive at the Hyde component before a calcuation is started This means a little performance may be gained by avoiding the overhead required to split the pipeline into batches however the Hyde component may only start when it has all molecules and the pipeline can only begin again once the Hyde component is finished Even if you do not have a multi processor server or do not wish to calculate in parallel we recommend you still keep these default options to enhance the pipeline effect as explained above 3 5 2 Running in Parallel on the Pipeline Pilot Server You may have a multi processor machine as your Pipeline Pilot server If you also have the appropriate number of Pipeline Pilot and Hyde licenses the simplest way to start a parallel 3 5 RUNNING HYDE IN PARALLEL IN PIPELINE PILOT 15 calculation is to raise the number of processes to the number of processors of the machine You could also have more than one Pipeline Pilot server available in your network If so you can enter
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