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Add support for MPI_Comm_Split #11

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siboehm opened this issue Apr 20, 2023 · 0 comments

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siboehm commented Apr 20, 2023

We'll eventually need support for communicator splitting based on node type, see OMPI Docs.

Mainly for e.g. figuring out how many nodes are running on the local host vs remote hosts and adjusting multithreading settings based on that.

This was referenced Apr 20, 2023

MPI-aware threading defaults emer/axon#198

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Make axon Threading heuristics MPI aware emer/axon#197

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