Only build CUTLASS MoE kernels on Hopper (#19648)

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Huy Do 2025-06-14 11:44:15 -07:00 committed by GitHub
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commit bc956b38d0
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@ -542,10 +542,10 @@ if(VLLM_GPU_LANG STREQUAL "CUDA")
# CUTLASS MoE kernels
# The MoE kernel cutlass_moe_mm requires CUDA 12.3 or later (and only works
# The MoE kernel cutlass_moe_mm requires CUDA 12.3 or later (and ONLY works
# on Hopper). get_cutlass_(pplx_)moe_mm_data should only be compiled
# if it's possible to compile MoE kernels that use its output.
cuda_archs_loose_intersection(SCALED_MM_ARCHS "9.0a;10.0a" "${CUDA_ARCHS}")
cuda_archs_loose_intersection(SCALED_MM_ARCHS "9.0a" "${CUDA_ARCHS}")
if(${CMAKE_CUDA_COMPILER_VERSION} VERSION_GREATER_EQUAL 12.3 AND SCALED_MM_ARCHS)
set(SRCS "csrc/quantization/cutlass_w8a8/moe/grouped_mm_c3x.cu"
"csrc/quantization/cutlass_w8a8/moe/moe_data.cu")