...
| Note |
|---|
How you “translate” your task ID into the srun command line is up to you. You could, for example, also have different scripts that you select in some way and execute. |
OpenMP
...
| Code Block | ||
|---|---|---|
| ||
#!/bin/bash
#SBATCH --time 0:10:00
#SBATCH -p smp
#SBATCH --tasks-per-node 1
#SBATCH --cpus-per-task 64
#SBATCH --job-name=openMP
#SBATCH --output=out_%x.%j
# disable hyperthreading
#SBATCH --hint=nomultithread
module purge
module load xthi/1.0-intel-oneapi-mpi2021.6.0-oneapi2022.1.0 intel-oneapi-mpi
# module load xthi/1.0-openmpi4.1.3-gcc8.5.0 openmpi/4.1.3
## Uncomment the following line to enlarge the stacksize if needed,
## e.g., if your code crashes with a spurious segmentation fault.
# ulimit -s unlimited
# OpenMP and srun, both need to know the number of CPUs per task
export OMP_NUM_THREADS=$SLURM_CPUS_PER_TASK
export SRUN_CPUS_PER_TASK=$SLURM_CPUS_PER_TASK
srun xthi | sort -g -k 4 |
MPI
| Code Block | ||||
|---|---|---|---|---|
| ||||
#!/bin/bash #SBATCH --time 0:10:00 #SBATCH -p mpp #SBATCH -N 2 #SBATCH --tasks-per-node 128 #SBATCH --cpus-per-task 1 #SBATCH --hint=nomultithread #SBATCH --job-name=mpi #SBATCH --output=out_%x.%j # disable hyperthreading #SBATCH --hint=nomultithread module purge module load xthi/1.0-intel-oneapi-mpi2021.6.0-oneapi2022.1.0 intel-oneapi-mpi # module load xthi/1.0-openmpi4.1.3-gcc8.5.0 openmpi/4.1.3 ## Uncomment the following line to enlarge the stacksize if needed, ## e.g., if your code crashes with a spurious segmentation fault. # ulimit -s unlimited # To be on the safe side, we emphasize that it is pure MPI, no OpenMP threads export OMP_NUM_THREADS=1 srun xthi | sort -g -k 4 |
...