---
id: pr-vllm-13571
repo: vllm-project/vllm
pr: 13571
title: '[NVIDIA] Support nvfp4 cutlass gemm'
author: kaixih
date: '2025-02-22'
url: https://github.com/vllm-project/vllm/pull/13571
source_category: upstream-code
architectures:
- sm100
tags:
- tcgen05
- nvfp4
- fp4
- quantization
techniques:
- fine-grained-quantization
hardware_features:
- nvfp4
- fp4
- block-scale
- tma
- tcgen05
kernel_types:
- gemm
- quantization
languages:
- cuda-cpp
- python
captured_at: 2026-04-16
status: merged
merge_sha: e109e598c796ff4a911f92e24003a0a776bdd6e0
inclusion_reason: manually curated, Blackwell kernel relevance
changed_paths:
- CMakeLists.txt
- csrc/ops.h
- csrc/quantization/fp4/nvfp4_scaled_mm_entry.cu
- csrc/quantization/fp4/nvfp4_scaled_mm_kernels.cu
- csrc/torch_bindings.cpp
- tests/kernels/test_nvfp4_scaled_mm.py
- vllm/_custom_ops.py
head_ref_oid: d64b8986c56e5b19933ce83194d5e57f8c197e53
artifact_dir: evidence/pull-bundles/vllm/gh-13571
---
# [NVIDIA] Support nvfp4 cutlass gemm

- Repository: `vllm-project/vllm`
- PR: [13571](https://github.com/vllm-project/vllm/pull/13571)
- Decision: `manually curated, Blackwell kernel relevance`
- Reason: manually curated, Blackwell kernel relevance

## Changed Paths

- `CMakeLists.txt`
- `csrc/ops.h`
- `csrc/quantization/fp4/nvfp4_scaled_mm_entry.cu`
- `csrc/quantization/fp4/nvfp4_scaled_mm_kernels.cu`
- `csrc/torch_bindings.cpp`
- `tests/kernels/test_nvfp4_scaled_mm.py`
- `vllm/_custom_ops.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-13571`
