---
id: pr-vllm-15732
repo: vllm-project/vllm
pr: 15732
title: '[TPU] Support sliding window and logit soft capping in the paged attention kernel for TPU.'
author: vanbasten23
date: '2025-04-03'
url: https://github.com/vllm-project/vllm/pull/15732
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: b6be6f8d1e49d4aa884603e8675dc216be1cbd79
inclusion_reason: kernel file changes
changed_paths:
- .buildkite/run-tpu-v1-test.sh
- tests/entrypoints/llm/test_accuracy.py
- tests/v1/tpu/test_pallas.py
- vllm/v1/attention/backends/pallas.py
head_ref_oid: 352fa1220bb3eb056980876731905b24b2ceec4f
artifact_dir: evidence/pull-bundles/vllm/gh-15732
---
# [TPU] Support sliding window and logit soft capping in the paged attention kernel for TPU.

- Repository: `vllm-project/vllm`
- PR: [15732](https://github.com/vllm-project/vllm/pull/15732)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `.buildkite/run-tpu-v1-test.sh`
- `tests/entrypoints/llm/test_accuracy.py`
- `tests/v1/tpu/test_pallas.py`
- `vllm/v1/attention/backends/pallas.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-15732`
