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Add permute/unpermute fusion with dispatch/combine in Hybrid-EP#4073

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Autumn1998 wants to merge 1 commit intoNVIDIA:devfrom
Autumn1998:tongliu_permute_comm_fusion
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Add permute/unpermute fusion with dispatch/combine in Hybrid-EP#4073
Autumn1998 wants to merge 1 commit intoNVIDIA:devfrom
Autumn1998:tongliu_permute_comm_fusion

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@Autumn1998 Autumn1998 commented Mar 31, 2026

What does this PR do ?

This PR introduce the new feature: fuse the permute/unpermute with the dispatch/combine into 1 kernel
This feature is provided by the hybrid-ep
related PR in main: #4089

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@Autumn1998 Autumn1998 requested review from a team as code owners March 31, 2026 08:25
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copy-pr-bot bot commented Mar 31, 2026

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probs=grad_probs,
handle=handle,
pad_multiple=ctx.pad_multiple,
fuse_unpermute_combine=ctx.fused,
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Could we add a version guard to this new API key?

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Added a version guard to the buffer initialization function

@Autumn1998 Autumn1998 force-pushed the tongliu_permute_comm_fusion branch from 548af5e to 75407d6 Compare April 1, 2026 04:14
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2 participants