With the addition of grace-hopper nodes, with differnet MPI installations available, it might be useful to split MPI.rst into:
Open-MPI.rst - Both architectures, just different versions.
MVAPICH2.rst - ppc64le only currently.
mpi.rst - point at both the others
With the addition of grace-hopper nodes, with differnet MPI installations available, it might be useful to split
MPI.rstinto:Open-MPI.rst- Both architectures, just different versions.MVAPICH2.rst- ppc64le only currently.mpi.rst- point at both the others