mpich
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pmodels
Fix release gather reduce
Pull Request Description
Allow release gather reduce operation to select different trees for small and large messages. Also clean the code.
Author Checklist
- [ ] Provide Description Particularly focus on why, not what. Reference background, issues, test failures, xfail entries, etc.
- [ ] Commits Follow Good Practice
Commits are self-contained and do not do two things at once.
Commit message is of the form:
module: short descriptionCommit message explains what's in the commit. - [ ] Passes All Tests Whitespace checker. Warnings test. Additional tests via comments.
- [ ] Contribution Agreement For non-Argonne authors, check contribution agreement. If necessary, request an explicit comment from your companies PR approval manager.
