---
id: pr-vllm-29415
repo: vllm-project/vllm
pr: 29415
title: Guard FlashInfer sampler using the same check as FlashInfer attention backend
author: hmellor
date: '2025-11-28'
url: https://github.com/vllm-project/vllm/pull/29415
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 9eec282cb5a6fe0b39449476dc4d14da0516984c
inclusion_reason: defer
changed_paths:
- vllm/v1/sample/ops/topk_topp_sampler.py
artifact_dir: evidence/pull-bundles/vllm/gh-29415
head_ref_oid: c85b93f40292f8b7c8647559a20fa4203ebf593a
---
# Guard FlashInfer sampler using the same check as FlashInfer attention backend

- Repository: `vllm-project/vllm`
- PR: [29415](https://github.com/vllm-project/vllm/pull/29415)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/v1/sample/ops/topk_topp_sampler.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-29415`
