---
id: pr-flashinfer-1590
repo: flashinfer-ai/flashinfer
pr: 1590
title: 'fix: Improve TRTLLM attention kernel out_dtype unit test'
author: elvischenv
date: '2025-08-27'
url: https://github.com/flashinfer-ai/flashinfer/pull/1590
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- decode
- prefill
techniques: []
hardware_features: []
kernel_types:
- attention
- decode
- prefill
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 0f70943ad2cbc298c16eeb6364f94a8927aebc5b
inclusion_reason: kernel file changes
changed_paths:
- flashinfer/decode.py
- flashinfer/prefill.py
- tests/test_trtllm_gen_attention.py
head_ref_oid: f26f3d7caee1c3336697207652b5ae6303fab20a
artifact_dir: evidence/pull-bundles/flashinfer/gh-1590
---
# fix: Improve TRTLLM attention kernel out_dtype unit test

- Repository: `flashinfer-ai/flashinfer`
- PR: [1590](https://github.com/flashinfer-ai/flashinfer/pull/1590)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `flashinfer/decode.py`
- `flashinfer/prefill.py`
- `tests/test_trtllm_gen_attention.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1590`
