Consensus algorithm specialization for the case where no answer is requested. #13826
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Now rebased. |
peterrum
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kronbichler
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Consensus algorithm specialization for the case where no answer is requested.
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This is the last part that I'd like to do for #13208 before the release. It introduces function signatures for consensus algorithm implementations where processes want to send other processes a message, but don't expect an answer. This turns out to be a common operation (often called "some-to-some" and also implemented with a different signature in
Utilities::MPI::some_to_some()), and the last commit converts two places where we do this. TheDictionaryPayLoadclass inmpi_compute_index_owner_internal.halso falls in this category, but it still uses the old CA interface and so requires a bit more work.I'm not actually implementing any specialized algorithms for these new functions -- I simply forward to the existing functionality but make the simpler interface available. The implementation of more efficient algorithms will have to wait until after the release.
The current PR sits atop #13824 and #13825, and so only the last two commits are relevant. I will rebase once the other two PRs are merged.
/rebuild