---
id: pr-sglang-5748
repo: sgl-project/sglang
pr: 5748
title: Fuse MLA set kv cache kernel
author: ispobock
date: '2025-04-27'
url: https://github.com/sgl-project/sglang/pull/5748
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: 799c4bb50218163b9071cb5f46111c026f3ce635
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/flashattention_backend.py
- python/sglang/srt/layers/radix_attention.py
- python/sglang/srt/mem_cache/memory_pool.py
- python/sglang/srt/models/deepseek_v2.py
head_ref_oid: 6cb2d0aa50b6ac76ddfd266f3226901b32537b7e
artifact_dir: evidence/pull-bundles/sglang/gh-5748
---
# Fuse MLA set kv cache kernel

- Repository: `sgl-project/sglang`
- PR: [5748](https://github.com/sgl-project/sglang/pull/5748)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/attention/flashattention_backend.py`
- `python/sglang/srt/layers/radix_attention.py`
- `python/sglang/srt/mem_cache/memory_pool.py`
- `python/sglang/srt/models/deepseek_v2.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-5748`
