UtilTiming.hpp

Go to the documentation of this file.

 
#ifndef __TIMING_HEADER__ /*-- allow multiple inclusions --*/
#define __TIMING_HEADER__ 
typedef unsigned long long uint64; 
 
#include <chrono> // For high-resolution CPU time
#include <iomanip>
#include <iostream>
#include <string> // For output string
 
// Definition of time units
const double CLOCK_USE_SEC = 5000;   
const double CLOCK_USE_MIN = 200000; 
 
class GetWallTime
{
 
private:
    std::chrono::steady_clock::time_point timeStamp; 
 
public:
#if defined(_CONSOLE) || defined(_WIN32) || defined(_WIN64)
    // for Window file system
    inline void Start() { timeStamp = std::chrono::steady_clock::now(); }
 
    inline double Stop() const
    {
        auto elapsedTime = std::chrono::steady_clock::now() - timeStamp;
        return std::chrono::duration<double, std::milli>(elapsedTime).count();
    }
#else
    __inline__ void Start() { timeStamp = std::chrono::steady_clock::now(); }
 
    __inline__ double Stop() const
    {
        auto elapsedTime = std::chrono::steady_clock::now() - timeStamp;
        return std::chrono::duration<double, std::milli>(elapsedTime).count();
    }
#endif
    void StopInfo(const std::string& info, std::ostream& out = std::cout) const;
};
 
#endif /*-- end if for __TIMING_HEADER__ --*/
 
/*----------------------------------------------------------------------------*/
/*  Brief Change History of This File                                         */
/*----------------------------------------------------------------------------*/
/*  Author              Date             Actions                              */
/*----------------------------------------------------------------------------*/
/*  Shizhe Li           Oct/01/2021      Create file                          */
/*  Chensong Zhang      Oct/15/2021      Format file                          */
/*  Chensong Zhang      Sep/26/2022      Do not use RTC for x86               */
/*----------------------------------------------------------------------------*/