---
id: pr-sglang-16014
repo: sgl-project/sglang
pr: 16014
title: '[Performance] Force split_k=1 for MXFP4 Triton kernels on Hopper'
author: mmangkad
date: '2026-01-08'
url: https://github.com/sgl-project/sglang/pull/16014
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- fp4
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- quantization
languages:
- python
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: 05ab110e02baa5e876de6ff0108526efd8984dc3
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/quantization/mxfp4.py
head_ref_oid: e13420783912857f51b0779c9e9e39d0937c6ec0
artifact_dir: evidence/pull-bundles/sglang/gh-16014
---
# [Performance] Force split_k=1 for MXFP4 Triton kernels on Hopper

- Repository: `sgl-project/sglang`
- PR: [16014](https://github.com/sgl-project/sglang/pull/16014)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/quantization/mxfp4.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-16014`
