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Code Block
languagebash
titleMPI Hybrid job example
linenumberstrue
collapsetrue
#!/bin/bash
#SBATCH --job-name=test-hybrid
#SBATCH --qos=np
#SBATCH --ntasks=128
#SBATCH --cpus-per-task=4
#SBATCH --time=10:00
#SBATCH --output=test-hybrid.%j.out
#SBATCH --error=test-hybrid.%j.out

# Ensure OpenMP correct pinning
export OMP_NUM_THREADS=${SLURMPLACES=threads

srun -c $SLURM_CPUS_PER_TASK:-1}
srun my_mpi_openmp_app


Tip

See man sbatch or https://slurm.schedmd.com/sbatch.html for the complete set of options that may be used to configure a job.

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Code Block
languagebash
titleMPI MPMD job example with heterogeneous geometry
linenumberstrue
collapsetrue
#!/bin/bash
#SBATCH --job-name=test-het
#SBATCH --qos=np
#SBATCH --nodes=3
#SBATCH --hint=nomultithread
#SBATCH --time=10:00
#SBATCH --output=test-het.%j.out
#SBATCH --error=test-het.%j.out

# Needed to avoid occasional job hang at exit
export SLURM_MPI_TYPE=none

# Ensure OpenMP correct pinning
export OMP_PLACES=threads

srun -N1 -n 64 -c 2 executable1 : -N2 -n 64 -c 4 executable2

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