---
id: pr-vllm-20411
repo: vllm-project/vllm
pr: 20411
title: '[Nvidia] Integrate SM100 cudnn prefill API to MLA prefill'
author: elfiegg
date: '2025-07-16'
url: https://github.com/vllm-project/vllm/pull/20411
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 30800b01c23d38e5bcba3bac88dc98c92d650ee0
inclusion_reason: defer
changed_paths:
- vllm/envs.py
- vllm/v1/attention/backends/mla/common.py
artifact_dir: evidence/pull-bundles/vllm/gh-20411
head_ref_oid: 8be3edf2fd5635276d6bce2f66322c12f2afbdb7
---
# [Nvidia] Integrate SM100 cudnn prefill API to MLA prefill

- Repository: `vllm-project/vllm`
- PR: [20411](https://github.com/vllm-project/vllm/pull/20411)
- Decision: `defer`
- Reason: defer

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-20411`
