oversubscribe

Author: schnellerhase

.github/workflows/dolfinx-tests.yml

@@ -35,6 +35,8 @@ jobs:
       PETSC_ARCH: linux-gnu-complex64-32
       OMPI_ALLOW_RUN_AS_ROOT: 1
       OMPI_ALLOW_RUN_AS_ROOT_CONFIRM: 1
+      PRTE_MCA_rmaps_default_mapping_policy: :oversubscribe   # Newer OpenMPI
+      OMPI_MCA_rmaps_base_oversubscribe: true                 # Older OpenMPI
 
     steps:
       - uses: actions/checkout@v5