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fix: silence false warning in fmha_fwd_v3 when use_asm_v3 is disabled #2744

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Merged
valarLip merged 1 commit into from
Apr 15, 2026
Merged

fix: silence false warning in fmha_fwd_v3 when use_asm_v3 is disabled #2744

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5 changes: 4 additions & 1 deletion csrc/cpp_itfs/mha_fwd.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -207,9 +207,12 @@ std::tuple<int, int, int> get_grid_dim(const mha_fwd_args& a, int ts_qo, const s

float fmha_fwd_v3(mha_fwd_args a, const ck_tile::stream_config& s)
{
if(!a.use_asm_v3)
return -1;

std::string arch_id = get_gpu_arch();

if((!a.use_asm_v3) || (a.hdim_q != 192 && a.hdim_q != 128) || (a.hdim_v != 128) ||
if((a.hdim_q != 192 && a.hdim_q != 128) || (a.hdim_v != 128) ||
(a.data_type != "bf16" && a.data_type != "fp8bf16") || (a.bias_type != 0) || (a.p_drop > 0.f) ||
((arch_id != "gfx942") && (arch_id != "gfx950")))
{
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