---
id: pr-sglang-19174
repo: sgl-project/sglang
pr: 19174
title: Adjust padding size to improve triton_kernels moe performance
author: Qiaolin-Yu
date: '2026-03-05'
url: https://github.com/sgl-project/sglang/pull/19174
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp4
kernel_types:
- moe
- quantization
languages:
- python
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: 46dced64ea5a3cf345464b1cf5392f9b6682cfae
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/moe/fused_moe_triton/triton_kernels_moe.py
- python/sglang/srt/layers/quantization/mxfp4.py
head_ref_oid: 93b59f086182151c9aa4daf9e7f8edc5f7320432
artifact_dir: evidence/pull-bundles/sglang/gh-19174
---
# Adjust padding size to improve triton_kernels moe performance

- Repository: `sgl-project/sglang`
- PR: [19174](https://github.com/sgl-project/sglang/pull/19174)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/moe/fused_moe_triton/triton_kernels_moe.py`
- `python/sglang/srt/layers/quantization/mxfp4.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-19174`
