---
id: pr-sglang-8962
repo: sgl-project/sglang
pr: 8962
title: 'optimize: reduce shulffle and quantization overhead in cutlass_moe sm90'
author: TianQiLin666666
date: '2025-08-09'
url: https://github.com/sgl-project/sglang/pull/8962
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- fp8
- moe
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 3f2e315f6e5beb210b981ba07c4da88f703ccc50
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/moe/cutlass_moe.py
- python/sglang/srt/layers/quantization/fp8_kernel.py
head_ref_oid: 1030acf43e86081e172f73eb467f48f1cdfb8b92
artifact_dir: evidence/pull-bundles/sglang/gh-8962
---
# optimize: reduce shulffle and quantization overhead in cutlass_moe sm90

- Repository: `sgl-project/sglang`
- PR: [8962](https://github.com/sgl-project/sglang/pull/8962)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/moe/cutlass_moe.py`
- `python/sglang/srt/layers/quantization/fp8_kernel.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-8962`
