From d2ae140dbcb6d8a903b89f523fc992ded5043f9d Mon Sep 17 00:00:00 2001
From: Isuru Fernando <isuruf@gmail.com>
Date: Mon, 3 Oct 2022 21:00:18 -0500
Subject: [PATCH] Fix for low resolution windows clock
---
test/test_algorithm.py | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/test/test_algorithm.py b/test/test_algorithm.py
index 42084e36..8770d1a7 100644
--- a/test/test_algorithm.py
+++ b/test/test_algorithm.py
@@ -875,11 +875,18 @@ def test_sort(ctx_factory, scan_kernel):
a_sorted = np.sort(a)
numpy_end = time()
+ assert (a_dev_sorted.get() == a_sorted).all()
+
numpy_elapsed = numpy_end-dev_end
dev_elapsed = dev_end-dev_start
- print(" dev: {:.2f} MKeys/s numpy: {:.2f} MKeys/s ratio: {:.2f}x".format(
- 1e-6*n/dev_elapsed, 1e-6*n/numpy_elapsed, numpy_elapsed/dev_elapsed))
- assert (a_dev_sorted.get() == a_sorted).all()
+
+ # windows clock has really low resolution (16 milliseconds) and the
+ # difference in time will end up at zero for smaller array sizes.
+ if numpy_elapsed != 0 and dev_elapsed != 0:
+ print(
+ " dev: {:.2f} MKeys/s numpy: {:.2f} MKeys/s ratio: {:.2f}x".format(
+ 1e-6*n/dev_elapsed, 1e-6*n/numpy_elapsed,
+ numpy_elapsed/dev_elapsed))
def test_list_builder(ctx_factory):
--
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