Add int overflow assert to PrefixSum #4794
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GitLab CI has started at https://gitlab.spack.io/amrex/amrex/-/pipelines/1314866. |
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GitLab CI 1314866 finished with status: success. See details at https://gitlab.spack.io/amrex/amrex/-/pipelines/1314866. |
WeiqunZhang
approved these changes
Nov 17, 2025
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Summary
The assert was already implemented for some backends, but not the cub and rocprim ones. Additionally,
nelms_per_block * virtual_block_idcould overflow before.Additional background
Checklist
The proposed changes: