Chris Chambreau

Results 3 issues of Chris Chambreau

This PR includes Nathan Hjelm's reworking of PERUSE functionality to implement the MPI_T Events API as specified in the MPI 4.0 proposal. Subsequent minor changes to the MPI_T Events API...

enhancement
Target: main
MPI-4.0

Adding support for some of the functionality in the [MPI 4.0 Standard](https://www.mpi-forum.org/docs/mpi-4.0/mpi40-report.pdf), including: - Persistent Collectives - Partitioned Communications - Isendrecv and Isendrecv_replace

Adding support for some of the functionality in the [MPI 4.0 Standard](https://www.mpi-forum.org/docs/mpi-4.0/mpi40-report.pdf), including: - Persistent Collectives - Partitioned Communications - Isendrecv and Isendrecv_replace