1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Project: Sift implementation in Python + OpenCL
# https://github.com/silx-kit/silx
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
"""
Simple test of an addition
"""
from __future__ import division, print_function
__authors__ = ["Henri Payno, Jérôme Kieffer"]
__contact__ = "jerome.kieffer@esrf.eu"
__license__ = "MIT"
__copyright__ = "2013 European Synchrotron Radiation Facility, Grenoble, France"
__date__ = "05/07/2018"
import logging
import numpy
import unittest
from ..common import ocl, _measure_workgroup_size
if ocl:
import pyopencl
import pyopencl.array
from ..utils import get_opencl_code
logger = logging.getLogger(__name__)
@unittest.skipUnless(ocl, "PyOpenCl is missing")
class TestAddition(unittest.TestCase):
@classmethod
def setUpClass(cls):
super(TestAddition, cls).setUpClass()
if ocl:
cls.ctx = ocl.create_context()
if logger.getEffectiveLevel() <= logging.INFO:
cls.PROFILE = True
cls.queue = pyopencl.CommandQueue(
cls.ctx,
properties=pyopencl.command_queue_properties.PROFILING_ENABLE)
else:
cls.PROFILE = False
cls.queue = pyopencl.CommandQueue(cls.ctx)
cls.max_valid_wg = 0
@classmethod
def tearDownClass(cls):
super(TestAddition, cls).tearDownClass()
print("Maximum valid workgroup size %s on device %s" % (cls.max_valid_wg, cls.ctx.devices[0]))
cls.ctx = None
cls.queue = None
def setUp(self):
if ocl is None:
return
self.shape = 4096
self.data = numpy.random.random(self.shape).astype(numpy.float32)
self.d_array_img = pyopencl.array.to_device(self.queue, self.data)
self.d_array_5 = pyopencl.array.zeros_like(self.d_array_img) - 5
self.program = pyopencl.Program(self.ctx, get_opencl_code("addition")).build()
def tearDown(self):
self.img = self.data = None
self.d_array_img = self.d_array_5 = self.program = None
@unittest.skipUnless(ocl, "pyopencl is missing")
def test_add(self):
"""
tests the addition kernel
"""
maxi = int(round(numpy.log2(self.shape)))
for i in range(maxi):
d_array_result = pyopencl.array.empty_like(self.d_array_img)
wg = 1 << i
try:
evt = self.program.addition(self.queue, (self.shape,), (wg,),
self.d_array_img.data, self.d_array_5.data, d_array_result.data, numpy.int32(self.shape))
evt.wait()
except Exception as error:
max_valid_wg = self.program.addition.get_work_group_info(pyopencl.kernel_work_group_info.WORK_GROUP_SIZE, self.ctx.devices[0])
msg = "Error %s on WG=%s: %s" % (error, wg, max_valid_wg)
self.assertLess(max_valid_wg, wg, msg)
break
else:
res = d_array_result.get()
good = numpy.allclose(res, self.data - 5)
if good and wg > self.max_valid_wg:
self.__class__.max_valid_wg = wg
self.assertTrue(good, "calculation is correct for WG=%s" % wg)
@unittest.skipUnless(ocl, "pyopencl is missing")
def test_measurement(self):
"""
tests that all devices are working properly ...
"""
for platform in ocl.platforms:
for did, device in enumerate(platform.devices):
meas = _measure_workgroup_size((platform.id, device.id))
self.assertEqual(meas, device.max_work_group_size,
"Workgroup size for %s/%s: %s == %s" % (platform, device, meas, device.max_work_group_size))
def suite():
testSuite = unittest.TestSuite()
testSuite.addTest(TestAddition("test_add"))
# testSuite.addTest(TestAddition("test_measurement"))
return testSuite
if __name__ == '__main__':
unittest.main(defaultTest="suite")
|
