---
id: pr-flash-attention-2370
repo: Dao-AILab/flash-attention
pr: 2370
title: '[Cute, Testing] Bump cutedsl to 4.4.2 and remove prior aot cache management workarounds'
author: Alkaid-Benetnash
date: '2026-03-18'
url: https://github.com/Dao-AILab/flash-attention/pull/2370
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- cutlass
techniques:
- cache-policy
hardware_features: []
kernel_types:
- attention
languages:
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: 3387de493ddc3ca0961e2d23cf0aa35ca11d3f4e
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- flash_attn/cute/cache_utils.py
- flash_attn/cute/pyproject.toml
artifact_dir: evidence/pull-bundles/flash-attention/gh-2370
head_ref_oid: 9ac76f507a52e52a10d37df6d36218d5012925c0
---
# [Cute, Testing] Bump cutedsl to 4.4.2 and remove prior aot cache management workarounds

- Repository: `Dao-AILab/flash-attention`
- PR: [2370](https://github.com/Dao-AILab/flash-attention/pull/2370)
- 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/cache_utils.py`
- `flash_attn/cute/pyproject.toml`

## Evidence Bundle

`evidence/pull-bundles/flash-attention/gh-2370`
