---
id: pr-vllm-17280
repo: vllm-project/vllm
pr: 17280
title: '[NVIDIA] Support Cutlass w8a8 FP8 for Blackwell Geforce GPUs (sm120)'
author: kaln27
date: '2025-07-02'
url: https://github.com/vllm-project/vllm/pull/17280
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- quantization
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 9e5552aa13908fcc4a4e4c22ac28529b196001f3
inclusion_reason: kernel file changes
changed_paths:
- CMakeLists.txt
- csrc/quantization/cutlass_w8a8/c3x/scaled_mm.cuh
- csrc/quantization/cutlass_w8a8/c3x/scaled_mm_kernels.hpp
- csrc/quantization/cutlass_w8a8/c3x/scaled_mm_sm120_fp8.cu
- csrc/quantization/cutlass_w8a8/c3x/scaled_mm_sm120_fp8_dispatch.cuh
- csrc/quantization/cutlass_w8a8/scaled_mm_c3x_sm120.cu
- csrc/quantization/cutlass_w8a8/scaled_mm_entry.cu
head_ref_oid: e30f82c3faafb383dbe932ae82a7b8f3a224ebee
artifact_dir: evidence/pull-bundles/vllm/gh-17280
---
# [NVIDIA] Support Cutlass w8a8 FP8 for Blackwell Geforce GPUs (sm120)

- Repository: `vllm-project/vllm`
- PR: [17280](https://github.com/vllm-project/vllm/pull/17280)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `CMakeLists.txt`
- `csrc/quantization/cutlass_w8a8/c3x/scaled_mm.cuh`
- `csrc/quantization/cutlass_w8a8/c3x/scaled_mm_kernels.hpp`
- `csrc/quantization/cutlass_w8a8/c3x/scaled_mm_sm120_fp8.cu`
- `csrc/quantization/cutlass_w8a8/c3x/scaled_mm_sm120_fp8_dispatch.cuh`
- `csrc/quantization/cutlass_w8a8/scaled_mm_c3x_sm120.cu`
- `csrc/quantization/cutlass_w8a8/scaled_mm_entry.cu`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-17280`
