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[CI/Build] Update checking logic in cutlass_group_gemm_supported #27948

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Merged
merged 1 commit into from
Nov 5, 2025
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[CI/Build] Update checking logic in cutlass_group_gemm_supported #27948

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6 changes: 5 additions & 1 deletion vllm/_custom_ops.py
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Original file line number Diff line number Diff line change
Expand Up @@ -836,7 +836,11 @@ def cutlass_sparse_scaled_mm_supported(cuda_device_capability: int) -> bool:


def cutlass_group_gemm_supported(cuda_device_capability: int) -> bool:
return torch.ops._C.cutlass_group_gemm_supported(cuda_device_capability)
try:
return torch.ops._C.cutlass_group_gemm_supported(cuda_device_capability)
except AttributeError:
# Return False on non-CUDA platforms where it is not available
return False


def cutlass_sparse_compress(a: torch.Tensor) -> tuple[torch.Tensor, torch.Tensor]:
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