---
id: pr-vllm-23174
repo: vllm-project/vllm
pr: 23174
title: Optimize input preparation for FlashInfer [2/N]
author: WoosukKwon
date: '2025-08-27'
url: https://github.com/vllm-project/vllm/pull/23174
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 6578e873655859462758c5c51e51f876f2aa24a3
inclusion_reason: kernel file changes
changed_paths:
- vllm/v1/attention/backends/flashinfer.py
head_ref_oid: 9a0eb08eabaf52d7da3f362cfc84d4640a747d0b
artifact_dir: evidence/pull-bundles/vllm/gh-23174
---
# Optimize input preparation for FlashInfer [2/N]

- Repository: `vllm-project/vllm`
- PR: [23174](https://github.com/vllm-project/vllm/pull/23174)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/v1/attention/backends/flashinfer.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-23174`
