---
id: pr-pytorch-164026
repo: pytorch/pytorch
pr: 164026
title: '[cuDNN][SDPA] Disable dropout for cuDNN SDPA on 9.11 - 9.13'
author: pytorchbot
date: '2025-09-29'
url: https://github.com/pytorch/pytorch/pull/164026
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types:
- gemm
languages:
- cuda-cpp
captured_at: '2026-04-17'
status: merged
merge_sha: 11f776c8eefe8983601b526a0ece37faf6470737
inclusion_reason: semantic match with file changes
changed_paths:
- aten/src/ATen/native/transformers/cuda/sdp_utils.cpp
- test/test_transformers.py
head_ref_oid: a5fc3142705d5156f16351e7782e8e312208e27e
artifact_dir: evidence/pull-bundles/pytorch/gh-164026
---
# [cuDNN][SDPA] Disable dropout for cuDNN SDPA on 9.11 - 9.13

- Repository: `pytorch/pytorch`
- PR: [164026](https://github.com/pytorch/pytorch/pull/164026)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `aten/src/ATen/native/transformers/cuda/sdp_utils.cpp`
- `test/test_transformers.py`

## Evidence Bundle

`evidence/pull-bundles/pytorch/gh-164026`
