[OMPI devel] Open-MPI v5.0 branch date pushed back to May 14th

Open MPI Developers,  At today's web-ex we've decided to push back the date for branching Open-MPI v5.0 from master to May 14th.  We're still targeting June 30th as the release date (see v5.0.0 milestone: https://github.com/open-mpi/ompi/milestone/37).  If possible, we're still interested in having

[OMPI devel] ORTE->PRRTE: some consequences to communicate to users

So here is an interesting consequence of moving from ORTE to PRRTE. In ORTE, you could express any mapping policy as an MCA param - e.g., the following: OMPI_MCA_rmaps_base_mapping_policy=core OMPI_MCA_rmaps_base_display_map=1 would be the equivalent of a cmd line that included "--map-by core -