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[Fix][Chore][Qwen3] fix bug of using fp4 on sm120 #6065

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Merged
merged 4 commits into from
Jul 20, 2025
Merged

[Fix][Chore][Qwen3] fix bug of using fp4 on sm120 #6065

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ef6d38a
fix bug of using fp4 on sm120
byshiue Jul 15, 2025
12ddbe5
fix typo of qwen3 doc
byshiue Jul 18, 2025
ec855c4
use smaller free_gpu_memory_fraction to prevent OOM and unwavie the q…
byshiue Jul 18, 2025
0fb6e59
add qwen3 trtllm moe backend tests into waive list
byshiue Jul 18, 2025
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3 changes: 2 additions & 1 deletion cpp/tensorrt_llm/thop/attentionOp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -671,7 +671,8 @@ bool attention_supports_nvfp4_output(int64_t const num_heads, int64_t const num_
bool const use_paged_context_fmha, bool is_mla_enable)
{
// Only Blackwell supports NVFP4 output.
if (tensorrt_llm::common::getSMVersion() < 100)
// SM 120 does not support NVFP4 output.
if (tensorrt_llm::common::getSMVersion() < 100 || tensorrt_llm::common::getSMVersion() == 120)
{
return false;
}
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