---
id: pr-sglang-9477
repo: sgl-project/sglang
pr: 9477
title: Optimize moe_sum_reduce_kernel
author: yuan-luo
date: '2025-09-07'
url: https://github.com/sgl-project/sglang/pull/9477
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: cb3918a09127a1da8cc0976f86e7425285a1dca6
inclusion_reason: kernel file changes
changed_paths:
- benchmark/kernels/fused_moe_triton/benchmark_sum_scale.py
- python/sglang/srt/layers/moe/fused_moe_triton/fused_moe_triton_kernels.py
head_ref_oid: 458b6712c76f46caf7a1ac6584224d050852653a
artifact_dir: evidence/pull-bundles/sglang/gh-9477
---
# Optimize moe_sum_reduce_kernel

- Repository: `sgl-project/sglang`
- PR: [9477](https://github.com/sgl-project/sglang/pull/9477)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmark/kernels/fused_moe_triton/benchmark_sum_scale.py`
- `python/sglang/srt/layers/moe/fused_moe_triton/fused_moe_triton_kernels.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-9477`
