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On Slurm on Atos AD complex was updated to version 22.05. Since AD has been default cluster with hpc-login and hpc-batch being aliases for nodes on AD complex.
The same version of Slurm 22.05 was will be installed on AC complex on . Other two complexes (AA and AB) are to be updated at latter stage.
One change in the new Slurm version impacts all batch jobs setting the number of OMP threads with directive:
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Srun will no longer read in SLURM_CPUS_PER_TASK. This means you will implicitly have to specify --cpus-per-task on your srun calls, or set the new SRUN_CPUS_PER_TASK env var to accomplish the same thing. |
The Atos HPC users should need to adjust the jobs script by exporting SRUN_CPUS_PER_TASK environmental variable manually:
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or alternatively by specifying number of OMP threads as an option with run "srun" command:
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srun --cpus-per-task |
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In ksh, sh, and any other job type , user profile needs to be sourced manually in the script to benefit from the patch created by the HPC support team:
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