Tpetra: CrsMatrix getLocalDiagCopy hang, see issue #13498 #13575
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Adding a new unit-test that covers code path for fillComplete and fillActive states. The code paths that handled both these cases is now merged and follows the fillComplete case as a staticCrsGraph is assumed when calling getLocalDiagCopy. Signed-off-by: Luc Berger-Vergiat <[email protected]>
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packages/tpetra/core/src/Tpetra_Details_getDiagCopyWithoutOffsets_def.hpp
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Adding a new unit-test that covers code path for fillComplete and fillActive states. The code paths that handled both these cases is now merged and follows the fillComplete case as a staticCrsGraph is assumed when calling getLocalDiagCopy.
@trilinos/tpetra
Motivation
After integration of Kokkos 4.4 the host backend is enforcing more thread safety especially around view creation/allocation. This eventually leads to a hang in CrsMatrix::getLocalDiagCopy when the Matrix is fillActive.
Related Issues
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SPARC is using this feature
Testing
A new test: CrsMatrix_getLocalDiagCopy is testing both isFillActive == true and == false cases.
The test hangs with a fillActive matrix before this PR