From 266323382f7e0594edb4331cb1c37b64fe2de13e Mon Sep 17 00:00:00 2001
From: "Ralf W. Grosse-Kunstleve" <rgrossekunst@nvidia.com>
Date: Sun, 11 Jan 2026 10:59:24 -0800
Subject: [PATCH] Add skipif IS_WINDOWS for test_patterngen_seeds

---
 cuda_core/tests/test_helpers.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cuda_core/tests/test_helpers.py b/cuda_core/tests/test_helpers.py
index abe0d62622..51cf1af3f4 100644
--- a/cuda_core/tests/test_helpers.py
+++ b/cuda_core/tests/test_helpers.py
@@ -47,6 +47,10 @@ def test_latchkernel():
     log("done")
 
 
+@pytest.mark.skipif(
+    IS_WINDOWS,
+    reason="Extremely slow on Windows (issue #1455).",
+)
 @pytest.mark.skipif(
     under_compute_sanitizer(),
     reason="Too slow under compute-sanitizer (UVM-heavy test).",