---
id: pr-flash-attention-2385
repo: Dao-AILab/flash-attention
pr: 2385
title: '[ROCM] Fix windows issues'
author: micmelesse
date: '2026-04-02'
url: https://github.com/Dao-AILab/flash-attention/pull/2385
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- attention
- attention kernel
- benchmark kernel
- cuda kernel
- cutlass
- fp4
- fp8
- gemm
- hopper
- moe kernel
- mxfp4
- triton kernel
techniques: []
hardware_features:
- fp4
- fp8
- hopper
- mxfp4
kernel_types:
- attention
- gemm
- moe
languages:
- cuda-cpp
- cute-dsl
- triton
captured_at: '2026-05-16'
status: merged
merge_sha: ab5cb6e68b9203c4ce1811765a6e53dcb8bae069
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- flash_attn/utils/distributed.py
- third_party/aiter
artifact_dir: evidence/pull-bundles/flash-attention/gh-2385
head_ref_oid: 50e2ab63cfa617f63fa2fd1af82bfbedb678082d
---
# [ROCM] Fix windows issues

- Repository: `Dao-AILab/flash-attention`
- PR: [2385](https://github.com/Dao-AILab/flash-attention/pull/2385)
- 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/utils/distributed.py`
- `third_party/aiter`

## Evidence Bundle

`evidence/pull-bundles/flash-attention/gh-2385`
