---
id: pr-sglang-23748
repo: sgl-project/sglang
pr: 23748
title: 'refactor(moe): centralize post-experts all-reduce skip predicate'
author: ByronHsu
date: '2026-04-27'
url: https://github.com/sgl-project/sglang/pull/23748
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 85376a61190a58140f39bf11aee42dab283b64d0
inclusion_reason: defer
changed_paths:
- python/sglang/srt/layers/moe/__init__.py
- python/sglang/srt/layers/moe/utils.py
- python/sglang/srt/models/bailing_moe.py
- python/sglang/srt/models/bailing_moe_linear.py
- python/sglang/srt/models/deepseek_v2.py
- python/sglang/srt/models/exaone_moe.py
- python/sglang/srt/models/glm4_moe.py
- python/sglang/srt/models/hunyuan_v3.py
- python/sglang/srt/models/llada2.py
- python/sglang/srt/models/llama4.py
- python/sglang/srt/models/mimo_v2_flash.py
- python/sglang/srt/models/minimax_m2.py
- python/sglang/srt/models/qwen2_moe.py
- python/sglang/srt/models/qwen3_moe.py
- python/sglang/srt/models/sarvam_moe.py
- python/sglang/srt/models/sdar_moe.py
- python/sglang/srt/models/step3p5.py
artifact_dir: evidence/pull-bundles/sglang/gh-23748
head_ref_oid: aa9ce348d8b2f4fec295ac97dfd6bb38de07f906
---
# refactor(moe): centralize post-experts all-reduce skip predicate

- Repository: `sgl-project/sglang`
- PR: [23748](https://github.com/sgl-project/sglang/pull/23748)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `python/sglang/srt/layers/moe/__init__.py`
- `python/sglang/srt/layers/moe/utils.py`
- `python/sglang/srt/models/bailing_moe.py`
- `python/sglang/srt/models/bailing_moe_linear.py`
- `python/sglang/srt/models/deepseek_v2.py`
- `python/sglang/srt/models/exaone_moe.py`
- `python/sglang/srt/models/glm4_moe.py`
- `python/sglang/srt/models/hunyuan_v3.py`
- `python/sglang/srt/models/llada2.py`
- `python/sglang/srt/models/llama4.py`
- `python/sglang/srt/models/mimo_v2_flash.py`
- `python/sglang/srt/models/minimax_m2.py`
- `python/sglang/srt/models/qwen2_moe.py`
- `python/sglang/srt/models/qwen3_moe.py`
- `python/sglang/srt/models/sarvam_moe.py`
- `python/sglang/srt/models/sdar_moe.py`
- `python/sglang/srt/models/step3p5.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-23748`
