---
id: pr-sglang-7621
repo: sgl-project/sglang
pr: 7621
title: '[b200] support trt-llm allreduce fuse rms_norm_add kernel'
author: BBuf
date: '2025-07-03'
url: https://github.com/sgl-project/sglang/pull/7621
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
techniques:
- kernel-fusion
hardware_features: []
kernel_types: []
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 8e64140e35c15a626d199a0dfdd9cc7f956ab6cc
inclusion_reason: semantic match with file changes
changed_paths:
- python/sglang/srt/layers/communicator.py
- python/sglang/srt/layers/flashinfer_comm_fusion.py
- python/sglang/srt/layers/layernorm.py
- python/sglang/srt/managers/schedule_batch.py
- python/sglang/srt/server_args.py
head_ref_oid: 3908aa5da80be8a3ca1b1420caaa96758564abe7
artifact_dir: evidence/pull-bundles/sglang/gh-7621
---
# [b200] support trt-llm allreduce fuse rms_norm_add kernel

- Repository: `sgl-project/sglang`
- PR: [7621](https://github.com/sgl-project/sglang/pull/7621)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `python/sglang/srt/layers/communicator.py`
- `python/sglang/srt/layers/flashinfer_comm_fusion.py`
- `python/sglang/srt/layers/layernorm.py`
- `python/sglang/srt/managers/schedule_batch.py`
- `python/sglang/srt/server_args.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-7621`
