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ggml-cpu: optimize q4_0_q8_0 scales using Zvfhmin #19196

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ggml-cpu: optimize q4_0_q8_0 scales using Zvfhmin #19196

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@ixgbe ixgbe commented Jan 30, 2026

  • Used __riscv_vle16_v_f16mf2 and __riscv_vfwcvt_f_f_v_f32m1 to reduce
    scalar-to-vector data movement overhead.
  • Preserved the generic scalar fallback for hardware without Zvfhmin support.

@ixgbe ixgbe requested a review from ggerganov as a code owner January 30, 2026 05:24
@loci-dev loci-dev mentioned this pull request Jan 30, 2026
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@github-actions github-actions bot added the ggml changes relating to the ggml tensor library for machine learning label Jan 30, 2026
@loci-dev loci-dev mentioned this pull request Jan 31, 2026
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