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One change in the new Slurm version impacts all batch jobs setting the number of OMP threads with directive:

#SBATCH --cpus-per-task

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Atos HPC users need to adjust the jobs script by exporting SRUN_CPUS_PER_TASK environmental variable manually:

export SRUN_CPUS_PER_TASK=${SLURM_CPUS_PER_TASK:-1}

or alternatively by specifying number of OMP threads as an option with "srun" command:

srun --cpus-per-task

To reduce user impact and made old job scripts compatible with the new Slurm, HPC support team has set SRUN_CPUS_PER_TASK environmental variable :

export SRUN_CPUS_PER_TASK=${SLURM_CPUS_PER_TASK:-1}

in the user profile. However, user profile is automatically loaded only in batch jobs (jobs with first line):

#!/bin/bash

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:

. /etc/profile

${SLURM_CPUS_PER_TASK:

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