57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
//---------------------------------------------------------------------------//
|
|
// Copyright (c) 2015 Jakub Szuppe <j.szuppe@gmail.com>
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0
|
|
// See accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt
|
|
//
|
|
// See http://boostorg.github.com/compute for more information.
|
|
//---------------------------------------------------------------------------//
|
|
|
|
#include <iostream>
|
|
#include <algorithm>
|
|
#include <vector>
|
|
|
|
#include <bolt/cl/inner_product.h>
|
|
#include <bolt/cl/copy.h>
|
|
#include <bolt/cl/device_vector.h>
|
|
|
|
#include "perf.hpp"
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
perf_parse_args(argc, argv);
|
|
|
|
std::cout << "size: " << PERF_N << std::endl;
|
|
|
|
bolt::cl::control ctrl = bolt::cl::control::getDefault();
|
|
::cl::Device device = ctrl.getDevice();
|
|
std::cout << "device: " << device.getInfo<CL_DEVICE_NAME>() << std::endl;
|
|
|
|
// create host vectors
|
|
std::vector<int> host_x = generate_random_vector<int>(PERF_N);
|
|
std::vector<int> host_y = generate_random_vector<int>(PERF_N);
|
|
|
|
// create device vectors
|
|
bolt::cl::device_vector<int> device_x(PERF_N);
|
|
bolt::cl::device_vector<int> device_y(PERF_N);
|
|
|
|
// transfer data to the device
|
|
bolt::cl::copy(host_x.begin(), host_x.end(), device_x.begin());
|
|
bolt::cl::copy(host_y.begin(), host_y.end(), device_y.begin());
|
|
|
|
int product = 0;
|
|
perf_timer t;
|
|
for(size_t trial = 0; trial < PERF_TRIALS; trial++){
|
|
t.start();
|
|
product = bolt::cl::inner_product(
|
|
device_x.begin(), device_x.end(), device_y.begin(), 0
|
|
);
|
|
t.stop();
|
|
}
|
|
std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl;
|
|
std::cout << "product: " << product << std::endl;
|
|
|
|
return 0;
|
|
}
|