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| Codeblock |
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blogin> sbatch myjobscipt.slurm
Submitted batch job 8028673
blogin> ls slurm-8028673.out
slurm-8028673.out |
Using mpirun
Using mpirun the pinning is controlled by the MPI library. Pinning by slurm you need to switch off by adding export SLURM_CPU_BIND=none.
MPI only
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| title | MPI, full node |
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| collapse | true |
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#!/bin/bash
#SBATCH --nodes=2
#SBATCH --partition=cpu-clx:test
module load openmpi/gcc/5.0.3
export SLURM_CPU_BIND=none
mpirun -np 192 --map-by ppr:96:node ./hello.bin |
| Codeblock |
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#!/bin/bash
#SBATCH --nodes=2
#SBATCH --partition=cpu-clx:test
module load openmpi/gcc/5.0.3
export SLURM_CPU_BIND=none
mpirun -np 96 --map-by ppr:48:node ./hello.bin |
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