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thread-pool
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added new test, and refactored old into a method, planned others

This commit is contained in:
Kjistóf 2016-05-02 17:38:08 +02:00
parent e8baee10bc
commit 80f56f53d0
1 changed files with 48 additions and 11 deletions
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59
main.cpp
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@ -48,6 +48,11 @@
/* for the tests */
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/type_index.hpp>
//#include <boost/asio/io_service.hpp>
//#include <boost/bind.hpp>
//#include <boost/thread/thread.hpp>
class thread_pool
{
@ -220,27 +225,59 @@ boost::multiprecision::cpp_int mp_factorial(unsigned long long int number)
return num;
}
int main(void)
void simpleTask()
{
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
void function_vs_packaged_task_test(thread_pool &tp, const unsigned short TIMES = 10000)
{
using std::cout;
using std::cin;
using std::endl;
namespace ch = std::chrono;
namespace mp = boost::multiprecision;
thread_pool tp(4);
auto fu1 = tp.add_task(mp_factorial, 6);
std::packaged_task<mp::cpp_int()> pt(std::bind(mp_factorial, 5));
auto fstart = ch::high_resolution_clock::now();
for (int j = 0; j < TIMES; ++j)
{
tp.add_task(simpleTask);
}
auto fdur = ch::high_resolution_clock::now() - fstart;
auto pt = std::packaged_task<void()>(simpleTask);
auto pstart = ch::high_resolution_clock::now();
for (int j = 0; j < TIMES; ++j)
{
tp.add_task(pt);
}
auto pdur = ch::high_resolution_clock::now() - pstart;
std::cout << "Function: " << ch::duration_cast<ch::microseconds>(fdur).count() <<
std::endl << "Packaged task: " << ch::duration_cast<ch::microseconds>(pdur).count() << std::endl;
}
void factorial_test(thread_pool& tp, unsigned long long number)
{
std::packaged_task<boost::multiprecision::cpp_int()> pt(std::bind(mp_factorial, number-1));
tp.add_task(pt);
auto fu1 = tp.add_task(mp_factorial, number);
auto fu2 = pt.get_future();
cout << fu1.get() << " " << fu2.get() << endl;
std::cout << "Results for n & n-1: " << fu1.get() << " " << fu2.get() << std::endl;
std::cout << "With " << tp.get_thread_num() << " threads" << std::endl;
std::cout << "Type of future: " << boost::typeindex::type_id_with_cvr<decltype(fu1)>().pretty_name() << std::endl;
}
cout << tp.get_thread_num() << endl;
void boost_vs_me_test(thread_pool& tp)
{ /* TODO */ }
int main(void)
{
thread_pool tp(4);
factorial_test(tp, 6);
function_vs_packaged_task_test(tp, 10000);
cout << "Type of fu1: " << boost::typeindex::type_id_with_cvr<decltype(fu1)>().pretty_name() << endl;
return 0;
}