1 //---------------------------------------------------------------------------// 2 // Copyright (c) 2014 Roshan <thisisroshansmail@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 <algorithm> 12 #include <iostream> 13 #include <vector> 14 15 #include <boost/compute/system.hpp> 16 #include <boost/compute/container/vector.hpp> 17 #include <boost/compute/random/default_random_engine.hpp> 18 #include <boost/compute/random/bernoulli_distribution.hpp> 19 20 #include "perf.hpp" 21 22 namespace compute = boost::compute; 23 main(int argc,char * argv[])24int main(int argc, char *argv[]) 25 { 26 perf_parse_args(argc, argv); 27 std::cout << "size: " << PERF_N << std::endl; 28 29 compute::device device = compute::system::default_device(); 30 compute::context context(device); 31 compute::command_queue queue(context, device); 32 33 compute::vector<bool> vector(PERF_N, context); 34 35 compute::default_random_engine rng(queue); 36 compute::bernoulli_distribution<float> dist(0.5); 37 38 perf_timer t; 39 t.start(); 40 dist.generate(vector.begin(), vector.end(), rng, queue); 41 queue.finish(); 42 t.stop(); 43 std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl; 44 45 return 0; 46 } 47