---
id: pr-sglang-6998
repo: sgl-project/sglang
pr: 6998
title: Fix cutlass MLA gets almost zero accuracy
author: fzyzcjy
date: '2025-06-09'
url: https://github.com/sgl-project/sglang/pull/6998
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: e58423b2b9f2b037e208ba4ec346bab5cc1eafe8
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/cutlass_mla_backend.py
head_ref_oid: fe5f3866ef8359d9a3519c98acbff8d4d45e1d27
artifact_dir: evidence/pull-bundles/sglang/gh-6998
---
# Fix cutlass MLA gets almost zero accuracy

- Repository: `sgl-project/sglang`
- PR: [6998](https://github.com/sgl-project/sglang/pull/6998)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/attention/cutlass_mla_backend.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-6998`
