---
id: pr-vllm-39129
repo: vllm-project/vllm
pr: 39129
title: '[Refactor] Move NVFP4 GEMM management into NvFp4LinearKernel'
author: mgoin
date: '2026-04-09'
url: https://github.com/vllm-project/vllm/pull/39129
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- gemm
- nvfp4
- quantization
techniques: []
hardware_features:
- fp4
- nvfp4
kernel_types:
- gemm
- quantization
languages:
- python
captured_at: '2026-04-17'
status: merged
merge_sha: 2800706f0649955a65334e8ccce35654cf988727
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/kernels/linear/__init__.py
- vllm/model_executor/kernels/linear/nvfp4/__init__.py
- vllm/model_executor/kernels/linear/nvfp4/base.py
- vllm/model_executor/kernels/linear/nvfp4/cutlass.py
- vllm/model_executor/kernels/linear/nvfp4/emulation.py
- vllm/model_executor/kernels/linear/nvfp4/fbgemm.py
- vllm/model_executor/kernels/linear/nvfp4/flashinfer.py
- vllm/model_executor/kernels/linear/nvfp4/marlin.py
- vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a4_nvfp4.py
- vllm/model_executor/layers/quantization/modelopt.py
- vllm/model_executor/layers/quantization/utils/nvfp4_utils.py
head_ref_oid: 08aaabc3cf9b0f7aef661b096c9459957b108e3a
artifact_dir: evidence/pull-bundles/vllm/gh-39129
---
# [Refactor] Move NVFP4 GEMM management into NvFp4LinearKernel

- Repository: `vllm-project/vllm`
- PR: [39129](https://github.com/vllm-project/vllm/pull/39129)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/kernels/linear/__init__.py`
- `vllm/model_executor/kernels/linear/nvfp4/__init__.py`
- `vllm/model_executor/kernels/linear/nvfp4/base.py`
- `vllm/model_executor/kernels/linear/nvfp4/cutlass.py`
- `vllm/model_executor/kernels/linear/nvfp4/emulation.py`
- `vllm/model_executor/kernels/linear/nvfp4/fbgemm.py`
- `vllm/model_executor/kernels/linear/nvfp4/flashinfer.py`
- `vllm/model_executor/kernels/linear/nvfp4/marlin.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a4_nvfp4.py`
- `vllm/model_executor/layers/quantization/modelopt.py`
- `vllm/model_executor/layers/quantization/utils/nvfp4_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-39129`
