---
id: pr-vllm-30842
repo: vllm-project/vllm
pr: 30842
title: '[Kernels][FI] Skip trtllm attention when num_kv_heads=1'
author: yeqcharlotte
date: '2025-12-17'
url: https://github.com/vllm-project/vllm/pull/30842
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: a100152288c8ec50336aea842f0b3d8e36624024
inclusion_reason: kernel file changes
changed_paths:
- tests/kernels/attention/test_flashinfer_trtllm_attention.py
- vllm/utils/flashinfer.py
head_ref_oid: 03628e0bacb89ca03b307f9ad45ef7c6b75ddfb9
artifact_dir: evidence/pull-bundles/vllm/gh-30842
---
# [Kernels][FI] Skip trtllm attention when num_kv_heads=1

- Repository: `vllm-project/vllm`
- PR: [30842](https://github.com/vllm-project/vllm/pull/30842)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/kernels/attention/test_flashinfer_trtllm_attention.py`
- `vllm/utils/flashinfer.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-30842`
