Timer.cpp

/*

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*/

#include <iostream>

#include "Timer.hpp"
#include "LogFile.hpp"
#include "PetscTools.hpp"

double Timer::msStartTime = 0.0; // In case user forgets to Reset() before printing.

void Timer::Reset()
{
    msStartTime = GetWallTime(); // Arbitrary start time in seconds
}

double Timer::GetWallTime()
{
    return MPI_Wtime();
}

double Timer::GetElapsedTime()
{
    return GetWallTime() - msStartTime;
}

void Timer::Print(std::string message)
{
    double time = GetElapsedTime();
    if (PetscTools::IsParallel())
    {
        std::cout << "proc " << PetscTools::GetMyRank() << ": ";
    }
    std::cout << message << " time: " << time << "s\n" << std::flush;
    LOG(2,"    " << message << " time: "<< time <<"s");
}

void Timer::PrintAndReset(std::string message)
{
    Print(message);
    Reset();
}