47 lines
814 B
C
47 lines
814 B
C
|
/*
|
|||
|
|
* Timer.h
|
|||
|
|
*
|
|||
|
|
* Created on: 21 дек. 2021 г.
|
|||
|
|
* Author: alexander
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#pragma once
|
|||
|
|
|
|||
|
|
#include <chrono>
|
|||
|
|
|
|||
|
|
class Timer
|
|||
|
|
{
|
|||
|
|
public:
|
|||
|
|
static Timer& getInstance()
|
|||
|
|
{
|
|||
|
|
static Timer _instance;
|
|||
|
|
return _instance;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void start()
|
|||
|
|
{
|
|||
|
|
m_beg = clock_t::now();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
double end() const
|
|||
|
|
{
|
|||
|
|
return elapsed() * 1000;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private:
|
|||
|
|
using clock_t = std::chrono::high_resolution_clock;
|
|||
|
|
using second_t = std::chrono::duration<double, std::ratio<1> >;
|
|||
|
|
|
|||
|
|
std::chrono::time_point<clock_t> m_beg;
|
|||
|
|
|
|||
|
|
double elapsed() const
|
|||
|
|
{
|
|||
|
|
return std::chrono::duration_cast<second_t>(clock_t::now() - m_beg).count();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Timer() {}
|
|||
|
|
Timer(const Timer&) = delete;
|
|||
|
|
Timer& operator=(const Timer&) = delete;
|
|||
|
|
Timer& operator=(Timer&&) = delete;
|
|||
|
|
};
|