---
id: pr-sglang-6101
repo: sgl-project/sglang
pr: 6101
title: 'Cutlass MLA: Disable split kv due to https://github.com/NVIDIA/cutlass/issues/2274'
author: trevor-m
date: '2025-05-09'
url: https://github.com/sgl-project/sglang/pull/6101
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 0ab3f437aba729b348a683ab32b35b214456efc7
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/csrc/attention/cutlass_mla_kernel.cu
- sgl-kernel/tests/test_cutlass_mla.py
head_ref_oid: a27c4ca3f27c89e125b19e56c17f48742ce7f364
artifact_dir: evidence/pull-bundles/sglang/gh-6101
---
# Cutlass MLA: Disable split kv due to https://github.com/NVIDIA/cutlass/issues/2274

- Repository: `sgl-project/sglang`
- PR: [6101](https://github.com/sgl-project/sglang/pull/6101)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/csrc/attention/cutlass_mla_kernel.cu`
- `sgl-kernel/tests/test_cutlass_mla.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-6101`
