From 0f4ef3afa0772ad11d6d72ad21fb1e089c2fcf5f Mon Sep 17 00:00:00 2001
From: comfyanonymous <121283862+comfyanonymous@users.noreply.github.com>
Date: Mon, 3 Nov 2025 18:47:14 -0800
Subject: [PATCH] This seems to slow things down slightly on Linux. (#10624)

---
 comfy/ops.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/comfy/ops.py b/comfy/ops.py
index afe498caa..733bff99d 100644
--- a/comfy/ops.py
+++ b/comfy/ops.py
@@ -35,7 +35,7 @@ def scaled_dot_product_attention(q, k, v, *args, **kwargs):
 
 
 try:
-    if torch.cuda.is_available():
+    if torch.cuda.is_available() and comfy.model_management.WINDOWS:
         from torch.nn.attention import SDPBackend, sdpa_kernel
         import inspect
         if "set_priority" in inspect.signature(sdpa_kernel).parameters: