Timer.h

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#pragma once
#if (defined __unix__) || (defined __APPLE__)
#include <sys/time.h>
#elif (defined _WIN32)
#include <windows.h>
#endif
 
#include "Platform.h"
 
#ifdef CUDA_BACKEND
    #include <cuda_runtime.h>
#endif
#include <iostream>
 
namespace dyno 
{
    class CTimer
    {
    public:
        CTimer();
        ~CTimer();
        void start();
        void stop();

        double getElapsedTime();
        void outputString(char* str);
    protected:
#if (defined __unix__) || (defined __APPLE__)
        long start_sec_, stop_sec_, start_micro_sec_, stop_micro_sec_;
#elif (defined _WIN32)
        LARGE_INTEGER timer_frequency_;
        LARGE_INTEGER start_count_, stop_count_;
#endif
    };
 
#ifdef CUDA_BACKEND
    class GTimer
    {
    private:
        cudaEvent_t m_start, m_stop;
 
        float milliseconds;
 
    public:
        GTimer();
        ~GTimer();
 
        void start();
        void stop();
 
        float getElapsedTime();
 
        void outputString(const char* str);
    };
#endif
} //end of namespace dyno