55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
//---------------------------------------------------------------------------//
|
|
// Copyright (c) 2014 Roshan <thisisroshansmail@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 <vector>
|
|
#include <algorithm>
|
|
#include <iostream>
|
|
|
|
#include "perf.hpp"
|
|
|
|
int rand_int()
|
|
{
|
|
return static_cast<int>((rand() / double(RAND_MAX)) * 25.0);
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
perf_parse_args(argc, argv);
|
|
|
|
std::cout << "size: " << PERF_N << std::endl;
|
|
|
|
std::vector<int> v1(std::floor(PERF_N / 2.0));
|
|
std::vector<int> v2(std::ceil(PERF_N / 2.0));
|
|
|
|
std::generate(v1.begin(), v1.end(), rand_int);
|
|
std::generate(v2.begin(), v2.end(), rand_int);
|
|
|
|
std::sort(v1.begin(), v1.end());
|
|
std::sort(v2.begin(), v2.end());
|
|
|
|
std::vector<int> v3(PERF_N);
|
|
std::vector<int>::iterator v3_end;
|
|
|
|
perf_timer t;
|
|
for(size_t trial = 0; trial < PERF_TRIALS; trial++){
|
|
t.start();
|
|
v3_end = std::set_union(
|
|
v1.begin(), v1.end(),
|
|
v2.begin(), v2.end(),
|
|
v3.begin()
|
|
);
|
|
t.stop();
|
|
}
|
|
std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl;
|
|
std::cout << "size: " << std::distance(v3.begin(), v3_end) << std::endl;
|
|
|
|
return 0;
|
|
}
|