Add Unified Sequence Parallel attention #12693
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It would be nice to get a testing script so that we can quickly check things. |
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I added a basic test script with a simple forward and backward op. Is it better to have a test script with flash_attention_backward and forward?? |
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What does this PR do?
This is a draft implementation of the Unified SP attention approach.
_all_to_all_dim_exchangewith custom scatter and gather indicesTemplatedUnifiedAttentionCore implementation complete, needs: