---
id: pr-vllm-31153
repo: vllm-project/vllm
pr: 31153
title: '[Chore] Update more locations to use `attention_config.backend`'
author: DarkLight1337
date: '2025-12-23'
url: https://github.com/vllm-project/vllm/pull/31153
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 8cef137689170338fdd573838414fc7f9e3ec84a
inclusion_reason: defer
changed_paths:
- benchmarks/benchmark_batch_invariance.py
- tests/compile/distributed/test_fusions_e2e.py
artifact_dir: evidence/pull-bundles/vllm/gh-31153
head_ref_oid: 18e97873b6fa186d769721a3fe8d803912ded334
---
# [Chore] Update more locations to use `attention_config.backend`

- Repository: `vllm-project/vllm`
- PR: [31153](https://github.com/vllm-project/vllm/pull/31153)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `benchmarks/benchmark_batch_invariance.py`
- `tests/compile/distributed/test_fusions_e2e.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-31153`
