Merged in bugfix/openmpi-oversubscribe (pull request #184)
Add environment variable OMPI_MCA_rmaps_base_oversubscribe=yes to allow OpenMPI to oversubscribe the GitLab CI without complaining
OMPI_MCA_rmaps_base_oversubscribe=yes
Add environment variable
OMPI_MCA_rmaps_base_oversubscribe=yes
to allow OpenMPI to oversubscribe the GitLab CI without complaining