vllm/csrc/quantization/cutlass_w8a8/scaled_mm_c3x_sm100.cu
Shu Wang 376786fac1
Add cutlass support for blackwell fp8 blockwise gemm (#14383)
Signed-off-by: Shu Wang <shuw@nvidia.com>
2025-05-08 15:09:55 -07:00

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#include "c3x/scaled_mm_helper.hpp"
#include "c3x/scaled_mm_kernels.hpp"
/*
This file defines quantized GEMM operations using the CUTLASS 3.x API, for
NVIDIA GPUs with sm100 (Blackwell).
*/
#if defined ENABLE_SCALED_MM_SM100 && ENABLE_SCALED_MM_SM100
void cutlass_scaled_mm_sm100(torch::Tensor& c, torch::Tensor const& a,
torch::Tensor const& b,
torch::Tensor const& a_scales,
torch::Tensor const& b_scales,
std::optional<torch::Tensor> const& bias) {
dispatch_scaled_mm(c, a, b, a_scales, b_scales, bias,
vllm::cutlass_scaled_mm_sm100_fp8,
nullptr, // int8 not supported on SM100
vllm::cutlass_scaled_mm_blockwise_sm100_fp8);
}
#endif