---
id: pr-sglang-20040
repo: sgl-project/sglang
pr: 20040
title: Fix SM120 `triton_kernels` MXFP4 `block_k` for GPT-OSS
author: mmangkad
date: '2026-03-06'
url: https://github.com/sgl-project/sglang/pull/20040
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- quantization
languages:
- python
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: 759700c80856cbbef5dccb110860d8b12ecbd180
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/quantization/mxfp4.py
head_ref_oid: 4b1d5a09f966dc7d4aff059dca5b20ee458e4628
artifact_dir: evidence/pull-bundles/sglang/gh-20040
---
# Fix SM120 `triton_kernels` MXFP4 `block_k` for GPT-OSS

- Repository: `sgl-project/sglang`
- PR: [20040](https://github.com/sgl-project/sglang/pull/20040)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-20040`
