---
id: pr-vllm-13897
repo: vllm-project/vllm
pr: 13897
title: Fix mla prefill context performance
author: ZhongYingMatrix
date: '2025-03-06'
url: https://github.com/vllm-project/vllm/pull/13897
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
- prefill
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
- prefill
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 9f1710f1ace3535920c0bb6d4cc329c36289080e
inclusion_reason: kernel file changes
changed_paths:
- vllm/attention/backends/mla/common.py
- vllm/v1/attention/backends/mla/common.py
head_ref_oid: 6aa754e992d2196a03baf782eaec6c1dca12dc74
artifact_dir: evidence/pull-bundles/vllm/gh-13897
---
# Fix mla prefill context performance

- Repository: `vllm-project/vllm`
- PR: [13897](https://github.com/vllm-project/vllm/pull/13897)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/attention/backends/mla/common.py`
- `vllm/v1/attention/backends/mla/common.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-13897`
