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Use MPI profiling Interface to test that only the expected communication is actually done #235

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Hespian opened this issue Apr 6, 2022 · 1 comment
Open

Use MPI profiling Interface to test that only the expected communication is actually done #235

Hespian opened this issue Apr 6, 2022 · 1 comment
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Hespian commented Apr 6, 2022 •
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We should, for example, be able to overwrite MPI_Bcast: Increase a counter and then call PMPI_Bcast. Then we should know exactly how many times MPI_Bcast was called.

Could we use the Profiling interface to overwrite MPI_Bcast and make sure that recv counts are not exchanged here?

Originally posted by @Hespian in #170 (comment)
@Hespian Hespian mentioned this issue Apr 6, 2022
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@Hespian Hespian mentioned this issue May 18, 2022
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Hespian commented Nov 9, 2022

@niklas-uhl does this in #419 and it seems to work just fine

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