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Changes in OpenMPI and added iMPI

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caubet_m
2020-05-22 17:59:46 +02:00
parent 05883f5735
commit 1e44aefd9d
2 changed files with 48 additions and 1 deletions
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8
pages/merlin6/05 Software Support/openmpi.md
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@ -31,7 +31,7 @@ without **srun** (**UCX** is not integrated at PSI within **srun**).
For running UCX, one should add the following options to **mpirun**:
```bash
mpirun --np $SLURM_NTASKS -mca pml ucx --mca btl ^vader,tcp,openib,uct -x UCX_NET_DEVICES=mlx5_0:1 ./app
-mca pml ucx --mca btl ^vader,tcp,openib,uct -x UCX_NET_DEVICES=mlx5_0:1
```
Alternatively, one can add the following options for debugging purposes (visit [UCX Logging](https://github.com/openucx/ucx/wiki/Logging) for possible `UCX_LOG_LEVEL` values):
@ -40,6 +40,12 @@ Alternatively, one can add the following options for debugging purposes (visit [
-x UCX_LOG_LEVEL=<data|debug|warn|info|...> -x UCX_LOG_FILE=<filename>
```
Full example:
```bash
mpirun -np $SLURM_NTASKS -mca pml ucx --mca btl ^vader,tcp,openib,uct -x UCX_NET_DEVICES=mlx5_0:1 -x UCX_LOG_LEVEL=data -x UCX_LOG_FILE=UCX-$SLURM_JOB_ID.log
```bash
## Supported OpenMPI versions
For running OpenMPI properly in a Slurm batch system, ***OpenMPI and Slurm must be compiled accordingly***.