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Increase MPI timeout counter by 10x #1243

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Merged
pgrete merged 1 commit into from
Apr 17, 2025
Merged

Increase MPI timeout counter by 10x #1243

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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
- [[PR 1161]](https://github.com/parthenon-hpc-lab/parthenon/pull/1161) Make flux field Metadata accessible, add Metadata::CellMemAligned flag, small perfomance upgrades

### Changed (changing behavior/API/variables/...)
- [[PR 1243]](https://github.com/parthenon-hpc-lab/parthenon/pull/1243) Increase MPI timeout counter by 10x
- [[PR 1223]](https://github.com/parthenon-hpc-lab/parthenon/pull/1223) Update to v4 artifacts
- [[PR 1216]](https://github.com/parthenon-hpc-lab/parthenon/pull/1216) Move to Kokkos 4.5
- [[PR 1191]](https://github.com/parthenon-hpc-lab/parthenon/pull/1191) Update Kokkos version to 4.4.1
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4 changes: 2 additions & 2 deletions src/utils/communication_buffer.hpp
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Expand Up @@ -327,8 +327,8 @@ bool CommBuffer<T>::TryReceive() noexcept {
*comm_type_ == BuffCommType::sparse_receiver) {
#ifdef MPI_PARALLEL
(*nrecv_tries_)++;
PARTHENON_REQUIRE(*nrecv_tries_ < 1e8,
"MPI probably hanging after 1e8 receive tries.");
PARTHENON_REQUIRE(*nrecv_tries_ < 1e9,
"MPI probably hanging after 1e9 receive tries.");

TryStartReceive();

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