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Update GPU-aware MPI docs#949

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abussy wants to merge 2 commits intoJuliaParallel:masterfrom
abussy:gpu_mpi
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Update GPU-aware MPI docs#949
abussy wants to merge 2 commits intoJuliaParallel:masterfrom
abussy:gpu_mpi

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@abussy
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@abussy abussy commented Apr 30, 2026

Suggestion to update the GPU-aware MPI docs to include explicit device synchronization. According to this slack thread, this is a known issue, but it is not yet documented.

Comment thread docs/src/usage.md Outdated
@vchuravy
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Fixes: #443
x-ref #443 (comment)

Looking at some of the old discussions on this, was a reference I used before.

https://ieeexplore.ieee.org/abstract/document/6650987

Also: open-mpi/ompi#7733 (comment)

Co-authored-by: Valentin Churavy <v.churavy@gmail.com>
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