---
id: pr-vllm-22527
repo: vllm-project/vllm
pr: 22527
title: 'Quantization: support FP4 quantized models on AMD CDNA2/CDNA3 GPUs'
author: fengli1702
date: '2025-08-23'
url: https://github.com/vllm-project/vllm/pull/22527
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: fa78de9dc373c3bcc365ccc0f0631010df22ebe0
inclusion_reason: kernel file changes
changed_paths:
- requirements/rocm.txt
- setup.py
- vllm/config/__init__.py
- vllm/model_executor/layers/linear.py
- vllm/model_executor/layers/quantization/__init__.py
- vllm/model_executor/layers/quantization/petit.py
- vllm/model_executor/layers/quantization/utils/petit_utils.py
- vllm/platforms/rocm.py
head_ref_oid: dc0e66d1775b486e500d0f7937e38c6079832799
artifact_dir: evidence/pull-bundles/vllm/gh-22527
---
# Quantization: support FP4 quantized models on AMD CDNA2/CDNA3 GPUs

- Repository: `vllm-project/vllm`
- PR: [22527](https://github.com/vllm-project/vllm/pull/22527)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `requirements/rocm.txt`
- `setup.py`
- `vllm/config/__init__.py`
- `vllm/model_executor/layers/linear.py`
- `vllm/model_executor/layers/quantization/__init__.py`
- `vllm/model_executor/layers/quantization/petit.py`
- `vllm/model_executor/layers/quantization/utils/petit_utils.py`
- `vllm/platforms/rocm.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-22527`
