Hp XC System 2.x Software Manuel d'utilisateur Page 91
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Noté. / 5. Basé sur avis des utilisateurs
• LSF d oes not support chunk jobs. If a job is submitted to chunk queue, S LURM will let
the job pend .
• LSF does not support topology-aware advanced reservation scheduling.
7.1.6 Notes About Using LSF in the HP XC Environment
This section provides some additional information that sh ould be noted abo ut using LSF in
the HP XC Env iro nment.
7.1.6.1 Job Startup and Job Control
When LSF starts a SLURM job, it sets SLURM_JOBID to associate the job with the SLURM
allocation. During job running, all LSF supported operating-system -enforced resource limits
are supported, including core limit, cputime limit, data limit, file si ze limit, memory limit, and
stack l imit. If the u ser kills a job, LSF propag ates signals to entire job, incl uding the job file
runningonthelocalnodeandalltasksrunningonremotenodes.
7.1.6.2 Preemption S upport
LSF uses the SLURM "node share" feature to sup port preemption. When a low-priority is job
preempted, job processes are suspended on allocated nodes, and LSF places the high-priority job
on the same n ode. After high-priority job completes, LSF resum es s usp ended low-priority jobs.
7.2 Determining Execution Host
The lsid command displays the name of the HP XC system, and the name of the LSF
execution host, along with some general LSF in formation.
$ lsid
Platform LSF HPC 6.0 for SLURM, Sep 23 2004
Copyright 1992-2004 Platform Computing Corporation
My cluster name is penguin
My master name is lsfhost.localdomain
In this example, penguin is the HP XC system name (where is user is logged in and which
contains the compute nodes), and lsfhost.localdomain is the node where LSF is
installed and runs (LSF execution host).
7.3 Determining Available System Resources
For best use of system resources when laun ching an application, it is useful to know beforehand
what system resources are available for your use. This section describes how to obtain
information about system resources such as the number of processors availab le, LSF execution
host node information, and L SF system queues.
7.3.1 Getting Status of LSF
The bhosts command displays LSF resource usage information. This c om m and is useful to
check the status of the system processors. The bhosts comm and provides a summary of the
jobs on the system and in fo rm ation about the current state of LSF. For example, it can be used
to determine if LSF is ready to start accepting batch jobs.
LSF daemons run on only one node in the HP X C system, so the bhosts command will
list one host, which represents all the resou rces of the HP XC system. The total number
of processors for that host should be equal to the total number of processors assigned to the
SLURM lsf partition.
By default , this command returns the host name, host statu s, and job state statistics.
Using LSF 7-7
- HP XC System Software 1
- Contents 3
- 3 Developing Applications 4
- 4 Debugging Applications 5
- 5 Tuning Applications 5
- 6UsingSLURM 5
- 8UsingHP-MPI 6
- 7 Using LSF 6
- 9UsingHPMLIB 7
- 10 Advanced Topics 8
- AExamples 8
- About This Document 11
- HP XC Inform ation 12
- For M ore Information 13
- Supplementary Information 13
- Manpages 14
- Related Information 15
- Typographical Conventions 16
- HP Encourages Your Comments 17
- 1.1 System Architecture 19
- 1.1.3 Storage and I/O 20
- 1.1.4 File System 20
- 1.2 User Environment 22
- 1.3.1 Parallel Applications 23
- 1.3.2 Serial Applications 23
- 1.4 Run-Time E nvironment 24
- 1.4.4 HP-MPI 25
- Using the System 27
- 2.2.1 Notes on Modulefiles 28
- 2.2.2 Supplied Modulefiles 29
- 2.2.6 Loading a Modulefile 30
- 2.2.7 Unloading a M odulefile 31
- 2.2.8 Modulefile Conflicts 31
- 2.2.9 Creating a Mod u lefile 32
- 2.3.1 Introduction 33
- 2.3.5 Launching Jobs 34
- $ man sinfo 39
- $ man -k keyword 39
- Using the System 2-13 39
- Developing Applications 41
- 3.2 Using Compilers 42
- 3.4 Interrupting a Job 43
- 3-4 Developing Applications 44
- Developing Applications 3-5 45
- 3-6 Developing Applications 46
- Developing Applications 3-7 47
- $ module load mpi 48
- $ mpicc -o mycode hello.c 48
- $ mpif90 -o mycode hello.f 48
- 3-8 Developing Applications 48
- 3.8 Developing Libraries 49
- 3.9 Advanced To pics 50
- 3-14 Deve loping Applications 54
- Developing Applications 3-15 55
- Debugging Applications 57
- 4-2 D ebugging Applications 58
- $ totalview 60
- 4-4 D ebugging Applications 60
- Debugging Applications 4-5 61
- 4-6 D ebugging Applications 62
- -verbosity %V %F" 63
- Debugging Applications 4-7 63
- 4-8 D ebugging Applications 64
- Etnus TotalView Version# 65
- Debugging Applications 4-9 65
- $ mpirun -srun -n2 Psimple 66
- 4-10 Debugging Applications 66
- $ squeue 67
- $ scancel --user username 67
- Debugging Applications 4-11 67
- Tuning Applications 69
- Using SLURM 71
- $ srun -N 16 -b myscript.sh 73
- $ srun -A -N 4 myscript.sh 73
- $ srun -a 6543 -j 73
- Using SLURM 6-3 73
- 6.4.2 srun Signal Handling 74
- 6.4.3 srun Run-Mode Options 74
- Using SLURM 6-5 75
- 6-6 Using SLURM 76
- 6.4.5 srun Control Options 77
- 6.4.6 srun I/O Options 78
- Using SLURM 6-9 79
- 6.4.7 srun Constraint Options 80
- Using SLURM 6-11 81
- 6.4.9 Using srun with HP-MPI 82
- 6.4.10 Using srun with LSF 82
- 6.8 Job Accounting 84
- 6.9 Fault Tolerance 84
- 6.10 Security 84
- Using LSF 85
- 7.1.2 Topology Support 86
- 7.1.3 Notes on LSF-HPC 87
- SLURM_JOBID=53 89
- SLURM_NPROCS=4 89
- 7-6 Using LSF 90
- 7.3.1 Getting Status of LSF 91
- $ bhosts 92
- 7-8 Using LSF 92
- 7.4 Submitting Jobs 93
- 7.4.3 Submitting a Serial Job 97
- Using LSF 7-17 101
- 7-18 Using LSF 102
- Using HP-MPI 111
- 8.3.3 Using srun with HP-MPI 114
- 8.3.4 Using LSF and HP-MPI 116
- 8.3.5 MPI Versioning 117
- 8.6 Truncated Messages 118
- 8.5 32-Bit B uilds on XC4000 118
- Using HP-MPI 8-9 119
- 8.9 Environment Variables 120
- 8.9.5 MPI_PIN_PERCENTAGE 121
- 8.9.6 MPI_PAGE_ALIGN_MEM 121
- 8.9.7 MPI_MAX_WINDOW 121
- 8.9.8 MPI_ELANLOCK 121
- 8.9.9 MPI_USE_LIBELAN 121
- 8.9.10 MPI_USE_LIBELAN_SUB 122
- Work-arounds 124
- Using HP MLIB 125
- 9.1.2 MLIB and Module Files 126
- 9.2.1 Platform Sup port 126
- 9.2.2 Library Support 126
- 9.2.3 MPI Parallelism 126
- 9.2.4 Modulefiles and MLIB 127
- 9.2.6 Compiling and Linking 127
- 9.2.7 Licensing 128
- 9.2.8 MLIB Man pages 128
- 9.3.1 Platform Sup port 128
- 9.3.2 Library Support 128
- 9.3.3 MPI Parallelism 129
- 9.3.4 Modulefiles and MLIB 129
- 9.3.5 Compiling and Linking 129
- 9.3.6 Licensing 130
- 9.3.7 MLIB Man pages 130
- Advanced Topics 131
- Examples 135
- $ lshosts 140
- Show the environment: 142
- Run the job: 142
- View the running job: 142
- View the finished job: 142
- Examples A-9 143
- Glossary 145
- Glossary-2 146
- Glossary-3 147
- Glossary-4 148
- Glossary-5 149
- Glossary-6 150
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