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
22namespace compute = boost::compute;
23
24BOOST_AUTO_TEST_CASE(empty)
25{
26}
27
28#ifndef BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
29BOOST_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(events&: 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 buffer: vector.get_buffer(), offset: 0 * sizeof(int), size: 2 * sizeof(int), host_ptr: data + 0
53 );
54 compute::event copy2 = queue.enqueue_write_buffer_async(
55 buffer: vector.get_buffer(), offset: 2 * sizeof(int), size: 2 * sizeof(int), host_ptr: data + 2
56 );
57 compute::event copy3 = queue.enqueue_write_buffer_async(
58 buffer: vector.get_buffer(), offset: 4 * sizeof(int), size: 2 * sizeof(int), host_ptr: data + 4
59 );
60 compute::event copy4 = queue.enqueue_write_buffer_async(
61 buffer: vector.get_buffer(), offset: 6 * sizeof(int), size: 2 * sizeof(int), host_ptr: data + 6
62 );
63
64 // wait for all copies to complete
65 compute::wait_for_all(events&: copy1, events&: copy2, events&: copy3, events&: 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
72BOOST_AUTO_TEST_SUITE_END()
73

source code of boost/libs/compute/test/test_async_wait.cpp