1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
// Copyright (C) 2009-2012 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0
// (see accompanying file LICENSE_1_0.txt or a copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Home at http://www.boost.org/libs/local_function
#include <boost/local_function.hpp>
#include <boost/chrono.hpp>
#include <vector>
#include <algorithm>
#include <iostream>
#include "profile_helpers.hpp"
int main(int argc, char* argv[]) {
unsigned long size = 0, trials = 0;
profile::args(argc, argv, size, trials);
double sum = 0.0;
int factor = 1;
boost::chrono::system_clock::time_point start =
boost::chrono::system_clock::now();
void BOOST_LOCAL_FUNCTION(
const double& num, bind& sum, const bind& factor) {
sum += factor * num;
} BOOST_LOCAL_FUNCTION_NAME(inline add) // Inlined.
boost::chrono::duration<double> decl_sec =
boost::chrono::system_clock::now() - start;
std::vector<double> v(size);
std::fill(v.begin(), v.end(), 1.0);
boost::chrono::duration<double> trials_sec;
for(unsigned long i = 0; i < trials; ++i) {
boost::chrono::system_clock::time_point start =
boost::chrono::system_clock::now();
for(unsigned long j = 0; j < v.size(); ++j) add(v[j]); // No for_each.
trials_sec += boost::chrono::system_clock::now() - start;
}
profile::display(size, trials, sum, trials_sec.count(), decl_sec.count());
return 0;
}
|
