---
id: pr-sglang-13797
repo: sgl-project/sglang
pr: 13797
title: '[1/N] Optimize All Reduce - Benchmark different AR operations'
author: yuan-luo
date: '2026-01-26'
url: https://github.com/sgl-project/sglang/pull/13797
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 7bb41989fa9c455a0e5db7668c7b5117abfa8a02
inclusion_reason: defer
changed_paths:
- benchmark/kernels/all_reduce/benchmark_all_reduce.py
- python/sglang/srt/distributed/device_communicators/custom_all_reduce.py
artifact_dir: evidence/pull-bundles/sglang/gh-13797
head_ref_oid: cb91ba5272526779d587a40680cebfd9b033610f
---
# [1/N] Optimize All Reduce - Benchmark different AR operations

- Repository: `sgl-project/sglang`
- PR: [13797](https://github.com/sgl-project/sglang/pull/13797)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `benchmark/kernels/all_reduce/benchmark_all_reduce.py`
- `python/sglang/srt/distributed/device_communicators/custom_all_reduce.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-13797`
