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upload 2nd version of sdpa backward #546

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upload 2nd version of sdpa backward #546

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@yuankuns yuankuns commented Oct 3, 2025 •
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  1. Enable flash attention 2 backward
  2. layout bhsd/bshd
  3. dtype fp16/bf16
  4. is_causal done,
  5. GQA done
  6. NUM_HEAD=1 done
  7. atomic add done

@Antonyvance Antonyvance added the redesign required Implementation require a redesign label Oct 17, 2025
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@yuankuns @Antonyvance