---
id: pr-vllm-16684
repo: vllm-project/vllm
pr: 16684
title: '[V1] V1 FlashInfer Attention'
author: mgoin
date: '2025-04-22'
url: https://github.com/vllm-project/vllm/pull/16684
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 986537f1c3c8288635b1f00944409489ab1cf21b
inclusion_reason: kernel file changes
changed_paths:
- tests/v1/e2e/test_cascade_attention.py
- vllm/engine/arg_utils.py
- vllm/platforms/cuda.py
- vllm/v1/attention/backends/flash_attn.py
- vllm/v1/attention/backends/flashinfer.py
- vllm/v1/attention/backends/mla/common.py
- vllm/v1/worker/gpu_model_runner.py
head_ref_oid: 44c871a39a37684f53b1d577a44ef49fefccae93
artifact_dir: evidence/pull-bundles/vllm/gh-16684
---
# [V1] V1 FlashInfer Attention

- Repository: `vllm-project/vllm`
- PR: [16684](https://github.com/vllm-project/vllm/pull/16684)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/v1/e2e/test_cascade_attention.py`
- `vllm/engine/arg_utils.py`
- `vllm/platforms/cuda.py`
- `vllm/v1/attention/backends/flash_attn.py`
- `vllm/v1/attention/backends/flashinfer.py`
- `vllm/v1/attention/backends/mla/common.py`
- `vllm/v1/worker/gpu_model_runner.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-16684`
