---
id: pr-sglang-15712
repo: sgl-project/sglang
pr: 15712
title: Add SwapAB Optimization for triton fused_moe_kernel on SM90.
author: Insideyyy
date: '2026-01-07'
url: https://github.com/sgl-project/sglang/pull/15712
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- moe
languages:
- python
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: ee4d2287ab64a196adb316255eb768cdf826962a
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/moe/fused_moe_triton/fused_moe_triton_kernels.py
head_ref_oid: 5dfa6e101b2ae8b9fcaa0bab2ee20bd32bca0b11
artifact_dir: evidence/pull-bundles/sglang/gh-15712
---
# Add SwapAB Optimization for triton fused_moe_kernel on SM90.

- Repository: `sgl-project/sglang`
- PR: [15712](https://github.com/sgl-project/sglang/pull/15712)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-15712`
