diff --git a/doc.zih.tu-dresden.de/docs/jobs_and_resources/mpi_issues.md b/doc.zih.tu-dresden.de/docs/jobs_and_resources/mpi_issues.md index d4f246b74c41cbcaf1cd3f8ed2df3d025b7cec8c..142d6c9ff7ad9c3b227bc666192f698395f2da23 100644 --- a/doc.zih.tu-dresden.de/docs/jobs_and_resources/mpi_issues.md +++ b/doc.zih.tu-dresden.de/docs/jobs_and_resources/mpi_issues.md @@ -30,9 +30,9 @@ or setting the option as argument, in case you invoke `mpirun` directly marie@login$ mpirun --mca io ^ompio [...] ``` -### Mpirun on Partitions `alpha` and `ml` - -Using `mpirun` on partitions `alpha` and `ml` leads to wrong resource distribution when more than +### Mpirun on clusters `alpha` and `power` +<!-- laut max möglich dass es nach dem update von alpha und power9 das problem nicht mehr relevant ist.--> +Using `mpirun` on clusters `alpha` and `power` leads to wrong resource distribution when more than one node is involved. This yields a strange distribution like e.g. `SLURM_NTASKS_PER_NODE=15,1` even though `--tasks-per-node=8` was specified. Unless you really know what you're doing (e.g. use rank pinning via perl script), avoid using mpirun.