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HP XC System 2.x Software manual June Product Version

Models: XC System 2.x Software

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HP XC System Software

User’s Guide

Part Number: AA-RWJVB-TE

June 2005

Product Version:

HP XC System Software Version 2.1

This document provides information about the HP XC user and programming environment.

Hewlett-Packard Company Palo Alto, California

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HP XC System 2.x Software manual June Product Version, Hewlett-Packard Company Palo Alto, California

Contents

Hewlett-Packard Company Palo Alto, California June Product VersionPage Contents 5.4 Developing ApplicationsUsing Slurm Tuning ApplicationsDebugging Applications Using HP-MPI Using LSF6.4 Using HP MlibExamples Advanced TopicsGlossary Index Examples Tables FiguresPage Intended Audience About This DocumentDocument Organization HP XC Information Linux Administration HandbookQuickSpecs for HP XC System Software HP XC Program Development EnvironmentSupplementary Information For More InformationHP Message Passing Interface HP Mathematical LibraryHttp//supermon.sourceforge.net ManpagesHttp//systemimager.org Http//sourceforge.net/projects/modulesHttp//linuxvirtualserver.org Related InformationHttp//www-unix.mcs.anl.gov/mpi Typographical Conventions # cd /opt/hptc/config/sbinBold text Ctrl/x HP Encourages Your CommentsPage System Architecture Overview of the User EnvironmentOperating System Node SpecializationFile System Storage and I/OSAN Storage Local StorageFile System Layout System Interconnect NetworkUser Environment CommandsNetwork Address Translation NAT 1 LVSParallel Applications Application Development EnvironmentSerial Applications Slurm Run-Time EnvironmentLoad Sharing Facility LSF-HPC How LSF-HPC and Slurm InteractHP-MPI Components, Tools, Compilers, Libraries, and Debuggers8Overview of the User Environment Configuring Your Environment with Modulefiles Using the SystemLVS Login Routing Using ssh to Log2Using the System Supplied Modulefiles Supplied ModulefilesModulefile Sets the HP XC User Environment Viewing Available Modulefiles Modulefiles Automatically Loaded on the SystemViewing Loaded Modulefiles Loading a ModulefileUnloading a Modulefile Automatically Loading a Modulefile at LoginModulefile Conflicts Loading a Modulefile for the Current SessionViewing Modulefile-Specific Help Creating a Modulefile$ module load modules $ man modulefile $ module help totalviewIntroduction Launching and Managing Jobs Quick StartGetting Information About Queues Getting Information About ResourcesLaunching Jobs Getting Information About the System’s PartitionsSubmitting a Serial Job Example 2-1 Submitting a Serial JobSubmitting a Non-MPI Parallel Job Using Slurm Options with the LSF External SchedulerExample 2-2 Submitting a Non-MPI Parallel Job $ bsub -n4 -I srun hostnameExample 2-4 Running an MPI Job with LSF Submitting an MPI Job$ bsub -n4 Mpirun -srun ./helloworld Example 2-6 Submitting a Job Script Submitting a Batch Job or Job Script$ bsub -I -n4 myjobscript.sh Getting System Help and Information Performing Other Common User Tasks$ man -k keyword $ man sinfoPage Overview Developing ApplicationsStandard Linux Compilers Using CompilersIntel Compilers PGI CompilersChecking Nodes and Partitions Before Running Jobs Setting Debugging OptionsInterrupting a Job Developing Serial ApplicationsDeveloping Parallel Applications Using Mlib in Serial ApplicationsSerial Application Build Environment Building Serial ApplicationsModulefiles Parallel Application Build EnvironmentHP-MPI OpenMPMlib Math Library Quadrics ShmemMPI Library $ mpicc object1.o ... -pthread -o myapp.exePGI Fortran and C/C++ Compilers Intel Fortran and C/C++CompilersGNU C and C++ Compilers GNU Parallel MakeBuilding Parallel Applications Reserved Symbols and NamesCompiling and Linking Non-MPI Applications Compiling and Linking HP-MPI ApplicationsDesigning Libraries for XC4000 Developing Libraries$ mpicc -c -g foo.c Advanced Topics Using the GNU Parallel Make CapabilityExample 3-1 Directory Structure Example 3-2 Recommended Directory Structure$ cd subdir srun -n1 -N1 $MAKE -j4 $ cd subdir srun $MAKEExample Procedure $ make PREFIX=’srun -n1 -N1’ MAKEJ=’-j4’ $ make PREFIX=’srun -n1 -N1 MAKEJ=’-j4’3 I/O Performance Considerations Local Disks on Compute NodesShared File View Private File ViewCommunication Between Nodes Page Debugging Serial Applications Debugging ApplicationsDebugging Parallel Applications TotalViewDebugging with TotalView Setting Up TotalViewSSH and TotalView Using TotalView with LSF-HPC Using TotalView with Slurm$ srun -Nx-A $ mpirun -tv -srun application $ bsub -nx-ext SLURMnodes=x \ -Is /usr/bin/xterm$ totalview Starting TotalView for the First TimeTotalView Preferences Window Preferences window, click on the Launch Strings tab Debugging Applications $ mpicc -g -o Psimple simple.c -lm Debugging an Application$ mpirun -tv -srun -n2 ./Psimple TotalView Process Window Example $ mpirun -srun -n2 Psimple Debugging Running ApplicationsExiting TotalView $ scancel --user username$ squeue Page Using the Intel Trace Collector/Analyzer Tuning ApplicationsBuilding a Program Intel Trace Collector and HP-MPI ExampleVisualizing Data Intel Trace Analyzer and HP-MPI Running a Program Intel Trace Collector and HP-MPIExample Running the vtjacobic Example Program Slurm Commands Using SlurmCommand Function IntroductionLaunching Jobs with the srun Command Accessing the Slurm ManpagesSrun Roles and Modes Example 6-1 Simple Launch of a Serial ProgramSrun Modes Srun RolesSrun Run-Mode Options Srun Signal HandlingBatch AllocateSrun Resource-Allocation Options Part --partition=part Cpt --cpus-per-task=cptMinutes --time=minutes Nthreads --threads=nthreadsSrun Control Options Srun I/O Options Mode --input=mode Mode --output=modeMode --error=mode LabelClist --constraint=clist Srun Constraint OptionsMem=size Contiguous=yesnoMincpus=n Vmem=sizeUsing srun with HP-MPI Monitoring Jobs with the squeue CommandUsing srun with LSF Srun Environment VariablesGetting System Information with the sinfo Command Killing Jobs with the scancel CommandJob Accounting Fault ToleranceSecurity $ sinfo -RIntroduction to LSF in the HP XC Environment Using LSFOverview of LSF Nodelist= list-of-nodes Exclude= list-of-nodes Topology Support$ bsub -n 10 -ext SLURMnodes=10exclude=n16 srun myapp $ bsub -n 10 -ext SLURMnodes=10 srun myapp$ bqueues -l normal grep Jobstarter How LSF and Slurm Launch and Manage a Job$ bsub -Is hostname $ bsub -n4 -ext SLURMnodes=4 -o output.out ./myscript How LSF-HPC and Slurm Launch and Manage a JobDifferences Between LSF on HP XC and Standard LSF Determining Available System Resources Determining Execution HostGetting Status of LSF Job Startup and Job ControlGetting Host Load Information Getting Information About LSF-HPC Execution Host NodeChecking LSF System Queues Submitting JobsGetting Information About the lsf Partition $ sinfo -p lsfBsub bsuboptions jobname joboptions Summary of the LSF bsub Command FormatSlurm Arguments Function LSF-SLURM External SchedulerStarting on lsfhost.localdomain n6 Submitting a Job in Parallel Submitting a Serial JobSubmitting an HP-MPI Job Example 7-5 Submitting an Interactive Serial JobExample 7-6 Submitting an HP-MPI Job Submitting a Batch Job or Job Script$ bsub -n4 -I mpirun -srun ./helloworld Example 7-8 Submitting a Batch Job Script Examples$ bsub -n4 -I ./myscript.sh $ bsub -n4 -ext SLURMnodes=4 -I ./myscript.sh$ bsub -n4 -I ./myscript.sh -n8 -O Submitting a Job from a Non-HP XC HostType=SLINUX64 Getting Job Allocation Information Getting Information About JobsJob Allocation Information for a Running Job $ bsub -R type=SLINUX64 -n4 -I srun hostnameChecking Status of a Job Example 7-13 Using the bjobs Command Short OutputJob Allocation Information for a Finished Job Example 7-15 Using the bhist Command Short Output Example 7-14 Using the bjobs Command Long OutputOutput Provided by the bhist Command Viewing a Job’s Historical InformationWorking Interactively Within an LSF-HPC Allocation Example 7-16 Using the bhist Command Long OutputSubmitting an Interactive Job to Launch the xterm Program Example 7-18 View Your Allocation in Slurm Example 7-17 View Your EnvironmentExample 7-19 View Your Running Job in LSF Example 7-20 View Job Details in LSFExample 7-21 Running Jobs from an xterm Window Submitting an Interactive Job to Launch a ShellExample 7-22 Submitting an Interactive Shell Program $ hostname $ srun hostname $ srun -n2 hostnameLSF Equivalents of Slurm srun Options LSF Equivalents of Slurm srun Options$ srun hostname n1 $ exit Srun Option Description LSF Equivalent24Using LSF Control the parallel job Page Using HP-MPI HP-MPI Directory Structure Setting Environment VariablesCompiling and Running Applications Building and Running an Example ApplicationBuilding and Running helloworld Example Application helloworld$ mpicc -o helloworld $MPIROOT/help/helloworld.c $ $MPIROOT/bin/mpirun -srun -n4 helloworldHP-MPI options allowed with -srun Launching MPI JobsSystem Interconnect Selection Creating Subshells and Launching Jobsteps$ mpirun -srun -n6 -O -N2 -m cyclic ./a.out host1 rank1 $ mpirun -srun -n4 -N2 -O -m cyclic ./a.out host1 rank1$ mpirun -subnet 192.168.1.1 -prot -srun -n4 ./a.out Using LSF and HP-MPISystem Interconnect Support $ /usr/sbin/ifconfig -aMPI Versioning Example 8-5 Allocating 12 Processors on 6 NodesTruncated Messages 32-Bit Builds on XC4000Allowing Windows to Use Exclusive Locks $ mpirun -TCP -srun -N8 ./a.out Mpirun Command Options$MPIROOT/bin/mpirun -v -prot -np 2 /path/to/program.x Environment VariablesExport MPIPINPERCENTAGE=30 Export MPIPHYSICALMEMORY=1048576Export MPIPAGEALIGNMEM=1 Export MPIMAXWINDOW=10Export MPIUSELIBELAN=0 Mpich Object CompatibilityExport MPIUSELIBELANUSE=5 $MPIROOT/bin/mpirun.mpich -np 2 ./prog.xAt http//docs.hp.com HP-MPI Documentation and ManpagesHP-MPI Manpage Categories Category Manpages DescriptionAdditional Information, Known Problems, and Work-arounds Intel Compiler Notes Using HP MlibVersion 8 Fortran Compiler Version 7 Fortran CompilerMlib and Module Files HP Mlib for the HP XC6000 PlatformPlatform Support Library SupportModulefiles and Mlib Using Intel Compilers with HP MlibCompiling and Linking Licensing HP Mlib for the HP XC4000 PlatformMlib Manpages Linking SuperLUDIST$ pgcc options file 6Using HP Mlib Enabling Remote Execution with OpenSSH Advanced TopicsRunning an X Terminal Session from a Remote Node Determining IP Address of Your Local MachineLogging in to HP XC System Running an X terminal Session Using Slurm$ hostname $ host mymachine$ bsub -n4 -Ip srun -n1 xterm -display Running an X terminal Session Using LSF$ bjobs Page Building and Running a Serial Application ExamplesLaunching a Serial Interactive Shell Through LSF Example 1. Two Processors on Any Two Nodes Running LSF Jobs with a Slurm Allocation RequestExample 2. Four Processors on Two Specific Nodes Launching a Parallel Interactive Shell Through LSFView the job $ bsub -Is -n4 -ext SLURMnodes=4 /bin/bash Check the running job’s informationCheck the finished job’s information Submitting a Simple Job Script with LSFShow the environment Display the scriptShow the job allocation Submitting an Interactive Job with LSFShow the Slurm job ID $ bsub -n8 -Ip /bin/shSubmitting an HP-MPI Job with LSF View the finished job View the running job$ bjobs -l $ bsub -n 8 -R ALPHA5 SLINUX64 \ -ext SLURMnodes=4-4 myjob Using a Resource Requirements String in an LSF CommandPage Glossary External network node Extensible firmware interfaceFairshare First come first servedIntegrated Lights Out Image serverInterconnect Internet addressLSF master host Network Information ServicesManagement Processor Master hostParallel application Root Administration SwitchResource manager role RoleGlossary-6 Symmetric multiprocessingIndex-1 IndexIndex-2 Gdb, 4-1 GNUIndex-3 ModulefileIndex-4 Resource manager, 7-1role Serial applications