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You can run one code compiled with MPI and OpenMP. The examples cover example covers the setup
- 2 nodes,
- 12 4 processes per node, 2 24 threads per process,one code compiled with MPI and OpenMP.
| Codeblock |
|---|
| title | MPI, OpenMP, full node |
|---|
| collapse | true |
|---|
|
#SBATCH --nodes=2
#SBATCH --partition=standard96:test
export OMP_PROC_BIND=spread
export OMP_NUM_THREADS=24
srun --ntasks-per-node=124 #SBATCH --cpus-per-task=48 ./hello.bin |
The example covers the setup
- 2 nodes,
- 4 processes per node, 12 threads per process.
| Codeblock |
|---|
| title | MPI, OpenMP, half node |
|---|
| collapse | true |
|---|
|
#SBATCH --nodes=2
#SBATCH --partition=standard96:test
export OMP_PROC_BIND=spread
export OMP_NUM_THREADS=212
srun --ntasks-per-node=4 --cpus-per-task=24 ./hello.bin |
The example covers the setup
- 2 nodes,
- 96 4 processes per node using hyperthreading,
- 2 48 threads per process.
| Codeblock |
|---|
| title | MPI, OpenMP hyperthreading |
|---|
| collapse | true |
|---|
|
#SBATCH --nodes=2
#SBATCH --ntasks-per-node=96
#SBATCH --cpus-per-task=2
#SBATCH --partition=standard96:test
export OMP_PROC_BIND=spread
export OMP_NUM_THREADS=248
srun --ntasks-per-node=4 --cpus-per-task=48 ./hello.bin |