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SME kernel not getting hit due to incorrect conditioning on leading dimensions #5794

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#5805
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SME kernel not getting hit due to incorrect conditioning on leading dimensions#5794
#5805

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@matcraje
matcraje
opened on May 4, 2026

OpenBLAS/interface/gemm.c

Line 565 in 8e57c86

if (order == CblasRowMajor && m==lda && n ==ldb && k==ldc && beta == 0 && alpha == 1.0 && TransA == CblasNoTrans && TransB == CblasNoTrans&& SGEMM_DIRECT_PERFORMANT(m,n,k)) {

@martin-frbg,
The correct conditioning is k==lda && n ==ldb && n==ldc.

Activity

  1. matcraje commented on May 7, 2026

    @matcraje
    matcraje
    on May 7, 2026
    ContributorAuthor

    Hi @martin-frbg,
    Any insight on this?

  2. matcraje commented on May 11, 2026

    @matcraje
    matcraje
    on May 11, 2026
    ContributorAuthor

    Fix raised in PR #5805

  3. matcraje
    added a commit that references this issue on May 12, 2026

    Fix incorrect leading dimension check for SME SGEMM direct kernel path

    c32eefd
  4. martin-frbg
    closed this as completedin #5805on May 14, 2026
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