Avoid use of %Domain_aux to avoid intermittent MPI sync problem #844
Conversation
This file contains 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
- The combination of coverage instrumentation, O2 optimization and the use of Domain_aux for halo-updates of data passed from the coupler was leading to MPI errors about inconsistent messages. This could very easily be a compiler issue but there might very well be an issue in Domain_aux.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
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Outdated suggestions cannot be applied.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.
the use of Domain_aux for halo-updates of data passed from the coupler
was leading to MPI errors about inconsistent messages. This could
very easily be a compiler issue but there might very well be an
issue in Domain_aux.