---
id: pr-cutlass-2599
repo: NVIDIA/cutlass
pr: 2599
title: fix gqa issue for blackwell fmha.py
author: keithzzzzz
date: '2025-08-28'
url: https://github.com/NVIDIA/cutlass/pull/2599
source_category: upstream-code
architectures:
- sm100
tags:
- flash-attention
techniques: []
hardware_features: []
kernel_types:
- flash-attention
languages:
- cute-dsl
- python
captured_at: '2026-04-17'
status: merged
merge_sha: 9ca7e877b24cef095fef92a7aa25d3795b74f69d
inclusion_reason: semantic match with file changes
changed_paths:
- examples/python/CuTeDSL/blackwell/fmha.py
artifact_dir: evidence/pull-bundles/cutlass/gh-2599
head_ref_oid: 79279211c795ce7ee00fda9723d0659a39d37c84
---
# fix gqa issue for blackwell fmha.py

- Repository: `NVIDIA/cutlass`
- PR: [2599](https://github.com/NVIDIA/cutlass/pull/2599)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `examples/python/CuTeDSL/blackwell/fmha.py`

## Evidence Bundle

`evidence/pull-bundles/cutlass/gh-2599`
