---
id: pr-vllm-12784
repo: vllm-project/vllm
pr: 12784
title: '[NVIDIA] Support nvfp4 quantization'
author: kaixih
date: '2025-02-13'
url: https://github.com/vllm-project/vllm/pull/12784
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- nvfp4
- quantization
techniques: []
hardware_features:
- fp4
- nvfp4
kernel_types:
- quantization
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 4fc5c23bb64719bda4f2b24e0b95637ccd530fab
inclusion_reason: kernel file changes
changed_paths:
- CMakeLists.txt
- cmake/utils.cmake
- csrc/cuda_utils.h
- csrc/cuda_utils_kernels.cu
- csrc/ops.h
- csrc/quantization/fp4/nvfp4_quant_entry.cu
- csrc/quantization/fp4/nvfp4_quant_kernels.cu
- csrc/torch_bindings.cpp
- tests/kernels/test_nvfp4_quant.py
- tests/test_scalartype.py
- vllm/_custom_ops.py
- vllm/scalar_type.py
head_ref_oid: 7293e96c33c558fcb98d50d558ca770a6ca1d967
artifact_dir: evidence/pull-bundles/vllm/gh-12784
---
# [NVIDIA] Support nvfp4 quantization

- Repository: `vllm-project/vllm`
- PR: [12784](https://github.com/vllm-project/vllm/pull/12784)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `CMakeLists.txt`
- `cmake/utils.cmake`
- `csrc/cuda_utils.h`
- `csrc/cuda_utils_kernels.cu`
- `csrc/ops.h`
- `csrc/quantization/fp4/nvfp4_quant_entry.cu`
- `csrc/quantization/fp4/nvfp4_quant_kernels.cu`
- `csrc/torch_bindings.cpp`
- `tests/kernels/test_nvfp4_quant.py`
- `tests/test_scalartype.py`
- `vllm/_custom_ops.py`
- `vllm/scalar_type.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-12784`
