---
id: pr-flash-attention-2292
repo: Dao-AILab/flash-attention
pr: 2292
title: Fix sm100 fwd missing tSrQs init regression
author: drisspg
date: '2026-02-28'
url: https://github.com/Dao-AILab/flash-attention/pull/2292
source_category: upstream-code
architectures:
- sm100
tags:
- sm100
techniques: []
hardware_features:
- blackwell
kernel_types:
- attention
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: ea942220e6022439698a9bcf6f4d4161f7b5e367
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- flash_attn/cute/flash_fwd_sm100.py
artifact_dir: evidence/pull-bundles/flash-attention/gh-2292
head_ref_oid: e094b2573903baf421b20cb748b471230320e832
---
# Fix sm100 fwd missing tSrQs init regression

- Repository: `Dao-AILab/flash-attention`
- PR: [2292](https://github.com/Dao-AILab/flash-attention/pull/2292)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `flash_attn/cute/flash_fwd_sm100.py`

## Evidence Bundle

`evidence/pull-bundles/flash-attention/gh-2292`
