try again with prte mca-params

Signed-off-by: Howard Pritchard <[email protected]>

Author: hppritcha

.github/workflows/ompi_mpi4py.yaml

@@ -78,6 +78,8 @@ jobs:
         echo mpi_show_handle_leaks = true >> "$mca_params"
         echo rmaps_base_oversubscribe = true >> "$mca_params"
         mca_params="$HOME/.prte/mca-params.conf"
+        mkdir -p "$(dirname "$mca_params")"
+        echo rmaps_base_oversubscribe = :oversubscribe >> "$mca_params"
 
     - name: Show MPI
       run:  ompi_info