---
id: pr-vllm-13798
repo: vllm-project/vllm
pr: 13798
title: add cutlass support for blackwell fp8 gemm
author: kushanam
date: '2025-03-04'
url: https://github.com/vllm-project/vllm/pull/13798
source_category: upstream-code
architectures:
- sm100
tags:
- tcgen05
- fp8
- gemm
techniques:
- tile-scheduling
hardware_features:
- fp8
- tma
- tcgen05
kernel_types:
- gemm
languages:
- cuda-cpp
- python
captured_at: 2026-04-16
status: merged
merge_sha: f89978ad7cf3732a4a482db8e784aba7e417abbd
inclusion_reason: manually curated, Blackwell kernel relevance
changed_paths:
- CMakeLists.txt
- csrc/cutlass_extensions/epilogue/scaled_mm_epilogues_c3x.hpp
- csrc/quantization/cutlass_w8a8/c3x/cutlass_gemm_caller.cuh
- csrc/quantization/cutlass_w8a8/c3x/scaled_mm.cuh
- csrc/quantization/cutlass_w8a8/c3x/scaled_mm_kernels.hpp
- csrc/quantization/cutlass_w8a8/c3x/scaled_mm_sm100_fp8.cu
- csrc/quantization/cutlass_w8a8/c3x/scaled_mm_sm100_fp8_dispatch.cuh
- csrc/quantization/cutlass_w8a8/scaled_mm_c3x.cu
- csrc/quantization/cutlass_w8a8/scaled_mm_entry.cu
- csrc/quantization/machete/machete_mm_kernel.cuh
- csrc/sparse/cutlass/sparse_scaled_mm_c3x.cuh
head_ref_oid: 2b0da32c1caf5aff58a200192a4c862cc2e272b1
artifact_dir: evidence/pull-bundles/vllm/gh-13798
---
# add cutlass support for blackwell fp8 gemm

- Repository: `vllm-project/vllm`
- PR: [13798](https://github.com/vllm-project/vllm/pull/13798)
- Decision: `manually curated, Blackwell kernel relevance`
- Reason: manually curated, Blackwell kernel relevance

## Changed Paths

- `CMakeLists.txt`
- `csrc/cutlass_extensions/epilogue/scaled_mm_epilogues_c3x.hpp`
- `csrc/quantization/cutlass_w8a8/c3x/cutlass_gemm_caller.cuh`
- `csrc/quantization/cutlass_w8a8/c3x/scaled_mm.cuh`
- `csrc/quantization/cutlass_w8a8/c3x/scaled_mm_kernels.hpp`
- `csrc/quantization/cutlass_w8a8/c3x/scaled_mm_sm100_fp8.cu`
- `csrc/quantization/cutlass_w8a8/c3x/scaled_mm_sm100_fp8_dispatch.cuh`
- `csrc/quantization/cutlass_w8a8/scaled_mm_c3x.cu`
- `csrc/quantization/cutlass_w8a8/scaled_mm_entry.cu`
- `csrc/quantization/machete/machete_mm_kernel.cuh`
- `csrc/sparse/cutlass/sparse_scaled_mm_c3x.cuh`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-13798`
