Do not use MPI_COMM_WORLD as default in collectives#515
Merged
matt-frey merged 2 commits into3d-mpi-modelfrom Jul 20, 2023
Merged
Do not use MPI_COMM_WORLD as default in collectives#515matt-frey merged 2 commits into3d-mpi-modelfrom
matt-frey merged 2 commits into3d-mpi-modelfrom
Conversation
matt-frey
added
enhancement / optimisation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
To avoid errors between the default communicator
MPI_COMM_WORLDand the Cartesian communicator, we force code developers to explicitly pass the communicator to the MPI reductions.