---
id: pr-vllm-39458
repo: vllm-project/vllm
pr: 39458
title: '[MLA] Optimize mla indexer prepare uniform decode for MTP > 1'
author: TheEpicDolphin
date: '2026-04-16'
url: https://github.com/vllm-project/vllm/pull/39458
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- decode
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- decode
- mla
languages:
- python
captured_at: '2026-04-17'
status: merged
merge_sha: bf9a5ddb24af910f53e7d20305045010d7471072
inclusion_reason: kernel file changes
changed_paths:
- vllm/v1/attention/backends/mla/indexer.py
head_ref_oid: cbb71e75a72fd102904adf0be58eca229e85f0f8
artifact_dir: evidence/pull-bundles/vllm/gh-39458
---
# [MLA] Optimize mla indexer prepare uniform decode for MTP > 1

- Repository: `vllm-project/vllm`
- PR: [39458](https://github.com/vllm-project/vllm/pull/39458)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-39458`
