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Why attn2 is always set to False. #17

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YihengBrianWu opened this issue Feb 10, 2025 · 1 comment

YihengBrianWu commented Feb 10, 2025 •

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Thanks for the amazing work.
I have a question why attn2 is always False in ditFastAttn implementation.
Compressing attn2 will decrease the quality of result?
https://github.com/thu-nics/DiTFastAttn/blob/main/dit_fast_attention.py#L142

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YihengBrianWu commented Feb 10, 2025

Furthermore, Is DitFastAttn available in multi-cards scenario?

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