From 176f50bc6353faaf5d5126b57347766473422a17 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Mon, 21 Mar 2016 20:44:28 -0500
Subject: [PATCH] XFail int64 rng test on AMD
---
test/test_array.py | 29 ++++++++++++++++++++---------
1 file changed, 20 insertions(+), 9 deletions(-)
diff --git a/test/test_array.py b/test/test_array.py
index 8c4ae9b7..ff2b94ca 100644
--- a/test/test_array.py
+++ b/test/test_array.py
@@ -413,7 +413,7 @@ def test_divide_array(ctx_factory):
# {{{ RNG
-def test_random(ctx_factory):
+def test_random_float_in_range(ctx_factory):
context = ctx_factory()
queue = cl.CommandQueue(context)
@@ -442,14 +442,25 @@ def test_random(ctx_factory):
ran = gen.normal(queue, (10007,), dtype, mu=4, sigma=3)
- dtypes = [np.int32, np.int64]
- for dtype in dtypes:
- ran = gen.uniform(queue, (10000007,), dtype, a=200, b=300)
- assert (200 <= ran.get()).all()
- assert (ran.get() < 300).all()
- #from matplotlib import pyplot as pt
- #pt.hist(ran.get())
- #pt.show()
+
+@pytest.mark.parametrize("dtype", [np.int32, np.int64])
+def test_random_int_in_range(ctx_factory, dtype):
+ context = ctx_factory()
+ queue = cl.CommandQueue(context)
+
+ from pyopencl.clrandom import RanluxGenerator
+ gen = RanluxGenerator(queue, 5120)
+
+ if (dtype == np.int64
+ and context.devices[0].platform.vendor.startswith("Advanced Micro")):
+ pytest.xfail("AMD miscompiles 64-bit RNG math")
+
+ ran = gen.uniform(queue, (10000007,), dtype, a=200, b=300)
+ assert (200 <= ran.get()).all()
+ assert (ran.get() < 300).all()
+ #from matplotlib import pyplot as pt
+ #pt.hist(ran.get())
+ #pt.show()
# }}}
--
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