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Fix a bug in copying an empty matrix into a bigger matrix #666

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Merged
cnpetra merged 3 commits into from
Oct 13, 2023
Merged

Fix a bug in copying an empty matrix into a bigger matrix #666

cnpetra merged 3 commits into from
Oct 13, 2023

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@nychiang
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@nychiang nychiang commented Oct 10, 2023 •
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There is a bug in RAJA implementation which fails HiOp when we copy an empty matrix into a bigger matrix.

This PR tries to:

  1. modify the corresponding unit test to catch this segmentation failure.
  2. Avoid copying an empty matrix in the RAJA implementation

CLOSE #665

@pelesh @cameronrutherford @abhyshr

@nychiang nychiang self-assigned this Oct 10, 2023
@nychiang nychiang added bug sparse-develop Issues and PRs pertaining to development of branch sparse-develop labels Oct 10, 2023
pelesh
pelesh reviewed Oct 10, 2023
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@pelesh pelesh left a comment •
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Looks good and all tests pass. @abhyshr, please confirm this fixes the issue you have seen with ExaGO.

@cnpetra cnpetra merged commit c6f94d2 into develop Oct 13, 2023
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@pelesh pelesh pelesh left review comments

@cnpetra cnpetra cnpetra approved these changes

@cameronrutherford cameronrutherford Awaiting requested review from cameronrutherford

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Segmentation fault when copying empty matrix in sparse GPU mode

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@nychiang @cnpetra @pelesh