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launched on LSF-HPC node allocation (compute nodes). LSF-HPC node allocation is created by -n
num-procs parameter, which specifies the number of cores the job requests.
The SLURM srun job launch command is only needed if the LSF-HPC JOB_STARTER script is not
configured for the intended queue, but it can be used regardless of whether or not the script is configured.
You can use the bqueues command to confirm whether or not the JOB_STARTER script exists; see bqueues(1)
for information on the bqueues command.
Example 5-1 invoking the bsub command after which a job can be entered from the standard input.
Example 5-1 Submitting a Job from the Standard Input
bsub
Example 5-2 shows the submission and launch of a serial interactive job and its output.
Example 5-2 Submitting a Serial Job Using LSF-HPC
$ bsub -I srun hostname
Job <20> is submitted to default queue <normal>.
<<Waiting for dispatch ...>>
<<Starting on lsfhost.localdomain>>
n1
Example 5-3 shows the submission of an interactive serial job without the SLURM srun command and
the job output.
Example 5-3 Submitting an Interactive Serial Job Using LSF-HPC only
$ bsub -I hostname
Job <73> is submitted to default queue <normal>.
<<Waiting for dispatch ...>>
<<Starting on lsfhost.localdomain>>
n1
Example 5-4 uses the LSF-SLURM External Scheduler to submit a job to run on four cores on two specific
compute nodes.
Example 5-4 Submitting an Interactive Serial Job Using LSF-HPC and the LSF-SLURM External Scheduler
$ bsub -I -n4 -ext "SLURM[nodelist=n[14,16]]" srun hostname
Job <9> is submitted to default queue <normal>.
<<Waiting for dispatch ...>>
<<Starting on lsfhost.localdomain>>
n14
n14
n16
n16
5.2.2 Submitting a Serial Job Through SLURM Only
This section describes how to build a simple hello world application, called hw_hostname, execute it
on the login node, and launch it with the SLURM srun command.
The following is the C source code for this program; the file name is hw_hostname.c.
#include <unistd.h>
#include <stdio.h>
int main()
{
char name[100];
gethostname(name, sizeof(name));
printf("%s says Hello!\n", name);
48 Submitting Jobs
- HP XC System Software 1
- User's Guide 1
- Table of Contents 3
- 4 Table of Contents 4
- Table of Contents 5 5
- 6 Table of Contents 6
- List of Figures 7
- List of Examples 11
- About This Document 13
- 14 About This Document 14
- 5 Related information 15
- 16 About This Document 16
- Linux Web Sites 17 17
- 6 Manpages 18
- 7 HP Encourages Your Comments 18
- 1.1 System Architecture 19
- 1.1.4 Node Specialization 20
- 1.1.5 Storage and I/O 21
- 1.1.6 File System 21
- 1.3 User Environment 23
- 1.5 Run-Time Environment 24
- 1.5.3 Standard LSF 25
- 1.5.5 HP-MPI 26
- 2 Using the System 27
- 2.2.1 Introduction 28
- 30 Using the System 30
- 3.1 Overview of Modules 31
- 3.2 Supplied Modulefiles 32
- 3.6 Loading a Modulefile 34
- 3.7 Unloading a Modulefile 34
- 3.9 Modulefile Conflicts 35
- 3.10 Creating a Modulefile 35
- 4 Developing Applications 37
- 4.4 Interrupting a Job 38
- 4.5 Setting Debugging Options 39
- 4.7.1.1 Modulefiles 40
- 4.7.1.2 HP-MPI 40
- 4.7.1.3 OpenMP 40
- 4.7.1.4 Pthreads 40
- 42 Developing Applications 42
- 4.8 Developing Libraries 43
- 44 Developing Applications 44
- 4.8 Developing Libraries 45 45
- 5 Submitting Jobs 47
- 48 Submitting Jobs 48
- 5.3 Submitting a Parallel Job 49
- 50 Submitting Jobs 50
- 52 Submitting Jobs 52
- 54 Submitting Jobs 54
- 56 Submitting Jobs 56
- 6 Debugging Applications 57
- 6.2.1.1 SSH and TotalView 58
- 6.2.1.2 Setting Up TotalView 58
- 60 Debugging Applications 60
- 6.2.1.8 Exiting TotalView 61
- 7 Monitoring Node Activity 63
- 64 Monitoring Node Activity 64
- 66 Monitoring Node Activity 66
- 68 Monitoring Node Activity 68
- 70 Monitoring Node Activity 70
- 8 Tuning Applications 73
- 74 Tuning Applications 74
- 8.2.1 Installation Kit 75
- Running a Program 76
- 9 Using SLURM 79
- 9.3.1.1 The srun Roles 80
- 9.3.1.2 The srun Modes 80
- 9.7 Job Accounting 81
- 9.9 Security 82
- 9.8 Fault Tolerance 82
- 10 Using LSF-HPC 83
- 84 Using LSF-HPC 84
- 10.4 Job Terminology 86
- 10.5.1 Useful Commands 87
- 10.5.3 Preemption 87
- 10.6 Submitting Jobs 88
- SLURM_JOBID=53 89
- SLURM_NPROCS=4 89
- 90 Using LSF-HPC 90
- 92 Using LSF-HPC 92
- 94 Using LSF-HPC 94
- 96 Using LSF-HPC 96
- 98 Using LSF-HPC 98
- 100 Using LSF-HPC 100
- 102 Using LSF-HPC 102
- 11 Advanced Topics 103
- 104 Advanced Topics 104
- 106 Advanced Topics 106
- 11.3.1 Example Procedure 1 107
- 11.3.3 Example Procedure 3 108
- 11.3.2 Example Procedure 2 108
- 11.5.1 Shared File View 109
- 11.5.2 Private File View 109
- 110 Advanced Topics 110
- A Examples 113
- Submit the job: 114
- View the job: 115
- 116 Examples 116
- Exit from the shell: 117
- Show the environment: 117
- Display the script: 118
- Run the job: 118
- Submit the job: 119 119
- View the finished jobs: 120
- View the node state: 120
- View the running job: 121
- View the finished job: 121
- 122 Examples 122
- Glossary 123
- 124 Glossary 124
- 126 Glossary 126
- 130 Index 130
- 132 Index 132
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