mpiCheckPhaseHook: update to use openmpi-5 compatible parameters

2024-08-12 21:45:24 +02:00
parent 2d8b5bc8b3
commit b898495c9a
1 changed files with 8 additions and 1 deletions
@@ -33,10 +33,17 @@ setupMpiCheck() {

  case $mpiType in
    openmpi)
-      # make sure the test starts even if we have less than the requested amount of cores
+      # Note, that openmpi-5 switched to using PRRTE.
+      # Thus we need to set PRTE_MCA_* instead of OMPI_MCA_*.
+      # We keep the openmpi-4 parameters for backward compatability.
+
+      # Make sure the test starts even if we have less than the requested amount of cores
      export OMPI_MCA_rmaps_base_oversubscribe=1
+      export PRTE_MCA_rmaps_default_mapping_policy=node:oversubscribe
+
      # Disable CPU pinning
      export OMPI_MCA_hwloc_base_binding_policy=none
+      export PRTE_MCA_hwloc_default_binding_policy=none
      ;;
    MPICH)
      # Fix to make mpich run in a sandbox