---
id: pr-sglang-3550
repo: sgl-project/sglang
pr: 3550
title: 'feat: support flashinfer mla attention for deepseek v3'
author: zhyncs
date: '2025-02-14'
url: https://github.com/sgl-project/sglang/pull/3550
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: 70f894b810c0280763f2bc3e16927e10fe96f661
inclusion_reason: kernel file changes
changed_paths:
- .github/workflows/pr-test.yml
- python/pyproject.toml
- python/sglang/global_config.py
- python/sglang/srt/entrypoints/engine.py
- python/sglang/srt/layers/attention/flashinfer_backend.py
- python/sglang/srt/managers/schedule_batch.py
- python/sglang/srt/model_executor/model_runner.py
- python/sglang/srt/models/deepseek_v2.py
- python/sglang/srt/server_args.py
- python/sglang/srt/utils.py
- scripts/ci_install_dependency.sh
- test/srt/test_eagle_infer.py
head_ref_oid: a620913066336765ab4f50009c1f46a8cdf6b1b4
artifact_dir: evidence/pull-bundles/sglang/gh-3550
---
# feat: support flashinfer mla attention for deepseek v3

- Repository: `sgl-project/sglang`
- PR: [3550](https://github.com/sgl-project/sglang/pull/3550)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `.github/workflows/pr-test.yml`
- `python/pyproject.toml`
- `python/sglang/global_config.py`
- `python/sglang/srt/entrypoints/engine.py`
- `python/sglang/srt/layers/attention/flashinfer_backend.py`
- `python/sglang/srt/managers/schedule_batch.py`
- `python/sglang/srt/model_executor/model_runner.py`
- `python/sglang/srt/models/deepseek_v2.py`
- `python/sglang/srt/server_args.py`
- `python/sglang/srt/utils.py`
- `scripts/ci_install_dependency.sh`
- `test/srt/test_eagle_infer.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-3550`
