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
46
|
#include <chrono>
#include <string>
#include <pagmo/algorithms/de.hpp>
#include <pagmo/archipelago.hpp>
#include <pagmo/islands/thread_island.hpp>
#include <pagmo/problems/rosenbrock.hpp>
class simple_timer
{
public:
simple_timer(const char *desc) : m_desc(desc), m_start(std::chrono::high_resolution_clock::now()) {}
double elapsed() const
{
return static_cast<double>(
std::chrono::duration_cast<std::chrono::seconds>(std::chrono::high_resolution_clock::now() - m_start)
.count());
}
~simple_timer()
{
std::cout << "Elapsed time for '" + m_desc + "': "
<< std::chrono::duration_cast<std::chrono::seconds>(std::chrono::high_resolution_clock::now()
- m_start)
.count()
<< "s\n";
}
private:
const std::string m_desc;
const std::chrono::high_resolution_clock::time_point m_start;
};
using namespace pagmo;
int main()
{
archipelago archi{1000, thread_island{false}, de{1000}, rosenbrock{5000}, 20};
{
simple_timer st{"total runtime"};
archi.evolve();
archi.wait_check();
}
}
|
