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Create NVFP4 grouped gemm bindings in direct bindings #4662

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Create NVFP4 grouped gemm bindings in direct bindings #4662

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1 change: 1 addition & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -512,6 +512,7 @@ if(BUILD_CUTLASS)
set(NVFUSER_CUTLASS_SRCS)
list(APPEND NVFUSER_CUTLASS_SRCS
${NVFUSER_CUTLASS}/fp8_blockwise_moe_kernel.cu
${NVFUSER_CUTLASS}/nvfp4_blockwise_moe_kernel.cu
${NVFUSER_CUTLASS}/cutlass_utils.cpp
)
add_library(nvf_cutlass SHARED ${NVFUSER_CUTLASS_SRCS})
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13 changes: 13 additions & 0 deletions cutlass/nvf_cutlass.h
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Expand Up @@ -31,4 +31,17 @@ void fp8_blockwise_scaled_grouped_mm(
const torch::Tensor& expert_offsets,
const torch::Tensor& workspace);

void nvfp4_blockwise_scaled_grouped_mm(
torch::Tensor& output,
const torch::Tensor& a,
const torch::Tensor& b,
const torch::Tensor& a_blockscale,
const torch::Tensor& b_blockscales,
const torch::Tensor& alphas,
const torch::Tensor& ab_strides,
const torch::Tensor& c_strides,
const torch::Tensor& problem_sizes,
const torch::Tensor& expert_offsets,
const torch::Tensor& sf_offsets);

} // namespace nvfuser::cutlass_kernels
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