---
id: pr-sglang-9473
repo: sgl-project/sglang
pr: 9473
title: '[fix] Fix mxfp4 triton MoE tp bug'
author: hlu1
date: '2025-08-23'
url: https://github.com/sgl-project/sglang/pull/9473
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- fp4
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp4
kernel_types:
- moe
- quantization
languages:
- python
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: ccd3fb946e04518ab51277812bc5d7d8b9d9dae4
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/moe/fused_moe_triton/layer.py
- python/sglang/srt/layers/quantization/mxfp4.py
- python/sglang/srt/models/gpt_oss.py
head_ref_oid: a86e48ebc5524c443eb50a49fa62a2ac8a1bbff4
artifact_dir: evidence/pull-bundles/sglang/gh-9473
---
# [fix] Fix mxfp4 triton MoE tp bug

- Repository: `sgl-project/sglang`
- PR: [9473](https://github.com/sgl-project/sglang/pull/9473)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/moe/fused_moe_triton/layer.py`
- `python/sglang/srt/layers/quantization/mxfp4.py`
- `python/sglang/srt/models/gpt_oss.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-9473`
