---
id: pr-sglang-8731
repo: sgl-project/sglang
pr: 8731
title: fuse allreduce and residual_rmsnorm
author: BBuf
date: '2025-08-11'
url: https://github.com/sgl-project/sglang/pull/8731
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- moe
languages:
- python
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: 44e86480e87643835b372434f0476d3d6637e8c6
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/communicator.py
- python/sglang/srt/layers/flashinfer_comm_fusion.py
- python/sglang/srt/layers/linear.py
- python/sglang/srt/layers/moe/fused_moe_triton/layer.py
- python/sglang/srt/models/deepseek_v2.py
- python/sglang/srt/models/glm4_moe.py
- python/sglang/srt/models/gpt_oss.py
- python/sglang/srt/server_args.py
head_ref_oid: 8f639837ef99a413dbebecdbfeca1cbba76c894c
artifact_dir: evidence/pull-bundles/sglang/gh-8731
---
# fuse allreduce and residual_rmsnorm

- Repository: `sgl-project/sglang`
- PR: [8731](https://github.com/sgl-project/sglang/pull/8731)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/communicator.py`
- `python/sglang/srt/layers/flashinfer_comm_fusion.py`
- `python/sglang/srt/layers/linear.py`
- `python/sglang/srt/layers/moe/fused_moe_triton/layer.py`
- `python/sglang/srt/models/deepseek_v2.py`
- `python/sglang/srt/models/glm4_moe.py`
- `python/sglang/srt/models/gpt_oss.py`
- `python/sglang/srt/server_args.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-8731`
