---
id: pr-sglang-15514
repo: sgl-project/sglang
pr: 15514
title: '[Perf] Add Flashinfer DeepGEMM SM90 for SwapAB Optimization'
author: b8zhong
date: '2026-02-01'
url: https://github.com/sgl-project/sglang/pull/15514
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- fp8
- gemm
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- gemm
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 398d13a1897d5c883e8aceb5531a656af67f6023
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/quantization/fp8_utils.py
- python/sglang/srt/server_args.py
- test/srt/test_fp8_blockwise_gemm.py
head_ref_oid: 7661e5fa8757bbe45ccc5500e9b7c74f42a9f7dc
artifact_dir: evidence/pull-bundles/sglang/gh-15514
---
# [Perf] Add Flashinfer DeepGEMM SM90 for SwapAB Optimization

- Repository: `sgl-project/sglang`
- PR: [15514](https://github.com/sgl-project/sglang/pull/15514)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/quantization/fp8_utils.py`
- `python/sglang/srt/server_args.py`
- `test/srt/test_fp8_blockwise_gemm.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-15514`
