ABI Change Wishlist

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Ken Raffenetti edited this page Nov 4, 2021 · 15 revisions

Aggregation of changes to make if/when MPICH breaks ABI compatibility with previous versions

Update MPI_Status struct
- Simplify count hi/lo and canceled
Increase MPI_MAX_INFO_VAL
- Allow for more information in a single info hint, e.g. for RMA optimization
Remove (or do not provide by default) functions removed from the MPI Standard
- e.g. MPI_ERRHANDLER_CREATE
Increase value of MPI_MAX_PORT_NAME (and other string max values)