---
id: pr-vllm-14451
repo: vllm-project/vllm
pr: 14451
title: '[Attention] Default to FlashMLA backend for MLA'
author: LucasWilkinson
date: '2025-03-09'
url: https://github.com/vllm-project/vllm/pull/14451
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: b0d541947ab5b8c361077ee85df7b3a2138472f9
inclusion_reason: defer
changed_paths:
- vllm/platforms/cuda.py
artifact_dir: evidence/pull-bundles/vllm/gh-14451
head_ref_oid: 01ab0ee84344bbf96b9c4b2cba6c14c0504b4a57
---
# [Attention] Default to FlashMLA backend for MLA

- Repository: `vllm-project/vllm`
- PR: [14451](https://github.com/vllm-project/vllm/pull/14451)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/platforms/cuda.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-14451`
