1 //---------------------------------------------------------------------------//
2 // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
3 //
4 // Distributed under the Boost Software License, Version 1.0
5 // See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt
7 //
8 // See http://boostorg.github.com/compute for more information.
9 //---------------------------------------------------------------------------//
10
11 #define BOOST_TEST_MODULE TestInplaceReduce
12 #include <boost/test/unit_test.hpp>
13
14 #include <iostream>
15
16 #include <boost/compute/system.hpp>
17 #include <boost/compute/functional.hpp>
18 #include <boost/compute/algorithm/iota.hpp>
19 #include <boost/compute/algorithm/detail/inplace_reduce.hpp>
20 #include <boost/compute/container/vector.hpp>
21
22 #include "quirks.hpp"
23 #include "context_setup.hpp"
24
BOOST_AUTO_TEST_CASE(sum_int)25 BOOST_AUTO_TEST_CASE(sum_int)
26 {
27 if(is_apple_cpu_device(device)) {
28 std::cerr
29 << "skipping all inplace_reduce tests due to Apple platform"
30 << " behavior when local memory is used on a CPU device"
31 << std::endl;
32 return;
33 }
34
35 int data[] = { 1, 5, 3, 4, 9, 3, 5, 3 };
36 boost::compute::vector<int> vector(data, data + 8, queue);
37
38 boost::compute::detail::inplace_reduce(vector.begin(),
39 vector.end(),
40 boost::compute::plus<int>(),
41 queue);
42 queue.finish();
43 BOOST_CHECK_EQUAL(int(vector[0]), int(33));
44
45 vector.assign(data, data + 8);
46 vector.push_back(3);
47 boost::compute::detail::inplace_reduce(vector.begin(),
48 vector.end(),
49 boost::compute::plus<int>(),
50 queue);
51 queue.finish();
52 BOOST_CHECK_EQUAL(int(vector[0]), int(36));
53 }
54
BOOST_AUTO_TEST_CASE(multiply_int)55 BOOST_AUTO_TEST_CASE(multiply_int)
56 {
57 if(is_apple_cpu_device(device)) {
58 return;
59 }
60
61 int data[] = { 1, 5, 3, 4, 9, 3, 5, 3 };
62 boost::compute::vector<int> vector(data, data + 8, queue);
63
64 boost::compute::detail::inplace_reduce(vector.begin(),
65 vector.end(),
66 boost::compute::multiplies<int>(),
67 queue);
68 queue.finish();
69 BOOST_CHECK_EQUAL(int(vector[0]), int(24300));
70
71 vector.assign(data, data + 8);
72 vector.push_back(3);
73 boost::compute::detail::inplace_reduce(vector.begin(),
74 vector.end(),
75 boost::compute::multiplies<int>(),
76 queue);
77 queue.finish();
78 BOOST_CHECK_EQUAL(int(vector[0]), int(72900));
79 }
80
BOOST_AUTO_TEST_CASE(reduce_iota)81 BOOST_AUTO_TEST_CASE(reduce_iota)
82 {
83 if(is_apple_cpu_device(device)) {
84 return;
85 }
86
87 // 1 value
88 boost::compute::vector<int> vector(1, context);
89 boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
90 boost::compute::detail::inplace_reduce(vector.begin(),
91 vector.end(),
92 boost::compute::plus<int>(),
93 queue);
94 queue.finish();
95 BOOST_CHECK_EQUAL(int(vector[0]), int(0));
96
97 // 1000 values
98 vector.resize(1000);
99 boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
100 boost::compute::detail::inplace_reduce(vector.begin(),
101 vector.end(),
102 boost::compute::plus<int>(),
103 queue);
104 queue.finish();
105 BOOST_CHECK_EQUAL(int(vector[0]), int(499500));
106
107 // 2499 values
108 vector.resize(2499);
109 boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
110 boost::compute::detail::inplace_reduce(vector.begin(),
111 vector.end(),
112 boost::compute::plus<int>(),
113 queue);
114 queue.finish();
115 BOOST_CHECK_EQUAL(int(vector[0]), int(3121251));
116
117 // 4096 values
118 vector.resize(4096);
119 boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
120 boost::compute::detail::inplace_reduce(vector.begin(),
121 vector.end(),
122 boost::compute::plus<int>(),
123 queue);
124 queue.finish();
125 BOOST_CHECK_EQUAL(int(vector[0]), int(8386560));
126
127 // 5000 values
128 vector.resize(5000);
129 boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
130 boost::compute::detail::inplace_reduce(vector.begin(),
131 vector.end(),
132 boost::compute::plus<int>(),
133 queue);
134 queue.finish();
135 BOOST_CHECK_EQUAL(int(vector[0]), int(12497500));
136 }
137
138 BOOST_AUTO_TEST_SUITE_END()
139