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[TRTLLM-6222][feat] Extend cute_dsl_nvfp4_gemm to sm103. #9543

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Merged
kaiyux merged 3 commits into from
Dec 1, 2025
Merged

[TRTLLM-6222][feat] Extend cute_dsl_nvfp4_gemm to sm103. #9543

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c6651fc
extend cute_dsl_nvfp4_gemm to sm103.
limin2021 Nov 28, 2025
4c63efa
extend cute_dsl_nvfp4_gemm to sm103.
limin2021 Nov 28, 2025
28f892f
update doc.
limin2021 Dec 1, 2025
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2 changes: 1 addition & 1 deletion ATTRIBUTIONS-Python.md
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Expand Up @@ -25250,7 +25250,7 @@ License: `NVIDIA Proprietary Software`
- `Homepage`: https://developer.nvidia.com/cusparselt


## nvidia-cutlass-dsl (4.3.0)
## nvidia-cutlass-dsl (4.3.1)

### Licenses
License: `None`
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2 changes: 1 addition & 1 deletion requirements.txt
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Expand Up @@ -69,7 +69,7 @@ triton==3.5.0; platform_machine == "x86_64"
tiktoken
blobfile
openai-harmony==0.0.4
nvidia-cutlass-dsl==4.3.0; python_version >= "3.10"
nvidia-cutlass-dsl==4.3.1; python_version >= "3.10"
plotly
numexpr<2.14.0 # WAR for attempted use of nonexistent numpy.typing
partial_json_parser
4 changes: 2 additions & 2 deletions tensorrt_llm/_torch/custom_ops/cute_dsl_custom_ops.py
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Expand Up @@ -49,9 +49,9 @@ def __init__(self, alpha: float, output_dtype: torch.dtype):
self.output_dtype = output_dtype
assert output_dtype == torch.bfloat16

if get_sm_version() != 100:
if get_sm_version() not in [100, 103]:
raise ValueError(
f"SM version {get_sm_version()} is not supported for {self.__class__.__name__}, it only supports SM 100"
f"SM version {get_sm_version()} is not supported for {self.__class__.__name__}, it only supports SM 100 and SM 103"
)

# rewrite the hash function because the value of self.alpha doesn't affect the tactic.
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4 changes: 2 additions & 2 deletions tests/unittest/_torch/thop/parallel/test_fp4_linear.py
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Expand Up @@ -87,8 +87,8 @@ def test_fp4_linear(dtype, mnk):
@pytest.mark.skipif(sys.version_info < (3, 12),
reason="cutlass-dsl 4.1.0 requires Python 3.12+")
@pytest.mark.skipif(
get_sm_version() != 100,
reason="This test is only supported in Blackwell architecture",
get_sm_version() not in [100, 103],
reason="This test is only supported in sm100 and sm103 architecture",
)
@pytest.mark.skipif(not IS_CUTLASS_DSL_AVAILABLE,
reason="cutlass-dsl is not available")
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