---
id: pr-vllm-21197
repo: vllm-project/vllm
pr: 21197
title: '[Kernel] Enable Hybrid Model Support in Triton Unified Attention Kernel'
author: jvlunteren
date: '2025-09-18'
url: https://github.com/vllm-project/vllm/pull/21197
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: 01a583fea40571986ffe277549e5bb441d409768
inclusion_reason: kernel file changes
changed_paths:
- tests/kernels/attention/test_triton_unified_attention.py
- vllm/attention/ops/triton_unified_attention.py
head_ref_oid: 8da5f74363f453c18cf466c2e2a78ddc2b0031d8
artifact_dir: evidence/pull-bundles/vllm/gh-21197
---
# [Kernel] Enable Hybrid Model Support in Triton Unified Attention Kernel

- Repository: `vllm-project/vllm`
- PR: [21197](https://github.com/vllm-project/vllm/pull/21197)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/kernels/attention/test_triton_unified_attention.py`
- `vllm/attention/ops/triton_unified_attention.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-21197`
