---
id: pr-vllm-23031
repo: vllm-project/vllm
pr: 23031
title: '[Bugfix] fix qwen3 moe fp8 accuracy issue'
author: jinzhen-lin
date: '2025-08-17'
url: https://github.com/vllm-project/vllm/pull/23031
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- moe
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: a258ad8bcc0014c04d11a9bc8c6591b379c31b68
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/quantization/fp8.py
head_ref_oid: 5e4e4f409a5f769f289239aff474bb3e1c1d10e4
artifact_dir: evidence/pull-bundles/vllm/gh-23031
---
# [Bugfix] fix qwen3 moe fp8 accuracy issue

- Repository: `vllm-project/vllm`
- PR: [23031](https://github.com/vllm-project/vllm/pull/23031)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/quantization/fp8.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-23031`
