---
id: pr-sglang-6147
repo: sgl-project/sglang
pr: 6147
title: Reduce MoE memory usage
author: fzyzcjy
date: '2025-05-15'
url: https://github.com/sgl-project/sglang/pull/6147
source_category: upstream-code
architectures:
- sm100
tags:
- moe
techniques: []
hardware_features: []
kernel_types:
- moe
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: f194e14fb7ff66d958435f36211cc1cbb736f5bd
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/moe/ep_moe/kernels.py
- python/sglang/srt/layers/moe/ep_moe/layer.py
- python/sglang/srt/models/deepseek_v2.py
- python/sglang/srt/utils.py
head_ref_oid: 931b81f34b7b9e68787150c786f8df2057366bae
artifact_dir: evidence/pull-bundles/sglang/gh-6147
---
# Reduce MoE memory usage

- Repository: `sgl-project/sglang`
- PR: [6147](https://github.com/sgl-project/sglang/pull/6147)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/moe/ep_moe/kernels.py`
- `python/sglang/srt/layers/moe/ep_moe/layer.py`
- `python/sglang/srt/models/deepseek_v2.py`
- `python/sglang/srt/utils.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-6147`
