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[CI][CK_TILE] Update CK and fix fmha_fwd arg init #2334

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[CI][CK_TILE] Update CK and fix fmha_fwd arg init #2334

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2 changes: 1 addition & 1 deletion 3rdparty/composable_kernel
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Submodule composable_kernel updated 118 files
2 changes: 2 additions & 0 deletions csrc/cpp_itfs/mha_fwd.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -315,6 +315,8 @@ float fmha_fwd_ck(mha_fwd_args a, const ck_tile::stream_config& s)
a.hdim_v,
a.nhead_q,
a.nhead_k,
0, // num_head_q_total
0, // head_start
a.scale_s,
a.logits_soft_cap,
a.stride_q,
Comment on lines 315 to 322
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@hyoon1 hyoon1 Mar 18, 2026

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For non-head-sliced paths, keeping these fields as 0 is fine. CK treats them as optional and uses internal fallback behavior for the default (non-sliced) case.

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