1 //---------------------------------------------------------------------------//
2 // Copyright (c) 2013-2014 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 TestAsyncWait
12 #include <boost/test/unit_test.hpp>
13
14 #include <boost/compute/async/future.hpp>
15 #include <boost/compute/async/wait.hpp>
16 #include <boost/compute/algorithm/copy.hpp>
17 #include <boost/compute/container/vector.hpp>
18
19 #include "check_macros.hpp"
20 #include "context_setup.hpp"
21
22 namespace compute = boost::compute;
23
BOOST_AUTO_TEST_CASE(empty)24 BOOST_AUTO_TEST_CASE(empty)
25 {
26 }
27
28 #ifndef BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
BOOST_AUTO_TEST_CASE(wait_for_copy)29 BOOST_AUTO_TEST_CASE(wait_for_copy)
30 {
31 // wait list
32 compute::wait_list events;
33
34 // create host data array
35 int data[] = { 1, 2, 3, 4, 5, 6, 7, 8 };
36
37 // create vector on the device
38 compute::vector<int> vector(8, context);
39
40 // fill vector with 9's
41 compute::future<void> fill_future =
42 compute::fill_async(vector.begin(), vector.end(), 9, queue);
43
44 // wait for fill() to complete
45 compute::wait_for_all(fill_future);
46
47 // check data on the device
48 CHECK_RANGE_EQUAL(int, 8, vector, (9, 9, 9, 9, 9, 9, 9, 9));
49
50 // copy each pair of values independently and asynchronously
51 compute::event copy1 = queue.enqueue_write_buffer_async(
52 vector.get_buffer(), 0 * sizeof(int), 2 * sizeof(int), data + 0
53 );
54 compute::event copy2 = queue.enqueue_write_buffer_async(
55 vector.get_buffer(), 2 * sizeof(int), 2 * sizeof(int), data + 2
56 );
57 compute::event copy3 = queue.enqueue_write_buffer_async(
58 vector.get_buffer(), 4 * sizeof(int), 2 * sizeof(int), data + 4
59 );
60 compute::event copy4 = queue.enqueue_write_buffer_async(
61 vector.get_buffer(), 6 * sizeof(int), 2 * sizeof(int), data + 6
62 );
63
64 // wait for all copies to complete
65 compute::wait_for_all(copy1, copy2, copy3, copy4);
66
67 // check data on the device
68 CHECK_RANGE_EQUAL(int, 8, vector, (1, 2, 3, 4, 5, 6, 7, 8));
69 }
70 #endif // BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
71
72 BOOST_AUTO_TEST_SUITE_END()
73