1 //---------------------------------------------------------------------------// 2 // Copyright (c) 2015 Jakub Szuppe <j.szuppe@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 #include <algorithm> 13 #include <vector> 14 15 #include <bolt/cl/copy.h> 16 #include <bolt/cl/device_vector.h> 17 #include <bolt/cl/reduce.h> 18 19 #include "perf.hpp" 20 main(int argc,char * argv[])21int main(int argc, char *argv[]) 22 { 23 perf_parse_args(argc, argv); 24 25 std::cout << "size: " << PERF_N << std::endl; 26 27 bolt::cl::control ctrl = bolt::cl::control::getDefault(); 28 ::cl::Device device = ctrl.getDevice(); 29 std::cout << "device: " << device.getInfo<CL_DEVICE_NAME>() << std::endl; 30 31 // create host vector 32 std::vector<int> host_vec = generate_random_vector<int>(PERF_N); 33 34 // create device vectors 35 bolt::cl::device_vector<int> device_vec(PERF_N); 36 37 // transfer data to the device 38 bolt::cl::copy(host_vec.begin(), host_vec.end(), device_vec.begin()); 39 40 int sum = 0; 41 perf_timer t; 42 for(size_t trial = 0; trial < PERF_TRIALS; trial++){ 43 t.start(); 44 sum = bolt::cl::reduce(device_vec.begin(), device_vec.end()); 45 t.stop(); 46 } 47 std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl; 48 std::cout << "sum: " << sum << std::endl; 49 50 return 0; 51 } 52