Fa3 支持集中式 #3112
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Fa3 支持集中式 #3112
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yuanlehome
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Jul 31, 2025
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在集中式场景下，若export FD_ATTENTION_BACKEND="FLASH_ATTN"，开启FLASH_ATTN，那么encoder 的时候在A卡上会使用fa2，在H卡上会使用fa3，decoder的时候会使用append attn。