v4.1.x: Improve MPI_Waitall performance for MPI_THREAD_MULTIPLE #9295
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Avoid atomic cmpxchng operations for MPI requests that are already complete. This improves the performance in message rate benchmarks. Signed-off-by: Austen Lauria <[email protected]> (cherry picked from commit 3cf5004) Conflicts: ompi/request/req_wait.c
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bosilca
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Aug 23, 2021
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Avoid atomic cmpxchng operations for MPI requests that are already
complete. This improves the performance in message rate benchmarks.
Signed-off-by: Austen Lauria [email protected]
(cherry picked from commit 3cf5004)
Conflicts:
ompi/request/req_wait.c