---
id: pr-sglang-15304
repo: sgl-project/sglang
pr: 15304
title: Fix the accuracy issue when running mxfp4 dsv3 model and enable ep
author: kkHuang-amd
date: '2025-12-17'
url: https://github.com/sgl-project/sglang/pull/15304
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- moe
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 8c34e18140a0174230648e8497abbb856ce29b11
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/quantization/mxfp4.py
- python/sglang/srt/layers/quantization/quark/quark_moe.py
head_ref_oid: 4ec763035c9638ad9bdaee692d7d705393e4ec56
artifact_dir: evidence/pull-bundles/sglang/gh-15304
---
# Fix the accuracy issue when running mxfp4 dsv3 model and enable ep

- Repository: `sgl-project/sglang`
- PR: [15304](https://github.com/sgl-project/sglang/pull/15304)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/quantization/mxfp4.py`
- `python/sglang/srt/layers/quantization/quark/quark_moe.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-15304`
