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 #include <iostream>
12
13 #include <boost/compute/system.hpp>
14 #include <boost/compute/algorithm/fill.hpp>
15 #include <boost/compute/container/vector.hpp>
16
17 #include "perf.hpp"
18
main(int argc,char * argv[])19 int main(int argc, char *argv[])
20 {
21 perf_parse_args(argc, argv);
22 std::cout << "size: " << PERF_N << std::endl;
23
24 // setup context and queue for the default device
25 boost::compute::device device = boost::compute::system::default_device();
26 boost::compute::context context(device);
27 boost::compute::command_queue queue(context, device);
28 std::cout << "device: " << device.name() << std::endl;
29
30 // create vector on the device (filled with zeros)
31 boost::compute::vector<int> vec(PERF_N, 0, queue);
32
33 perf_timer t;
34 for(size_t trial = 0; trial < PERF_TRIALS; trial++){
35 t.start();
36 boost::compute::fill(vec.begin(), vec.end(), int(trial), queue);
37 queue.finish();
38 t.stop();
39 }
40 std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl;
41
42 return 0;
43 }
44