Add cleanup_cached_communicators method #931
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kab163
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adayton1
reviewed
Feb 3, 2025
adayton1
reviewed
Feb 3, 2025
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See generated updated docs: https://umpire.readthedocs.io/en/bugfix-kab163-fix-mpi-leak/sphinx/cookbook/shared_memory.html |
adayton1
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Feb 4, 2025
davidbeckingsale
approved these changes
Feb 4, 2025
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Adding function to cleanup cached communicators to avoid memory leak.
If users call
umpire::get_communicator_for_allocator(...)then it currently causes a memory leak. The addition of thisumpire::cleanup_cached_communicators()frees that memory to avoid memory leaks.Thanks to Burl Hall for catching this bug!