speed.cpp

When executed this examples shows how much time it takes for calling ProgressBar::Print(progress) 1 billion times

#include <unistd.h>
#include <chrono>
 
#include "PBar.hpp"
 
int main()
{
    const double NUMBER_OF_ITERATIONS = 1e9;
   
    ProgressBar pbar("FANCY");
    auto start = std::chrono::high_resolution_clock::now();
    
    for (int i = 0; i < NUMBER_OF_ITERATIONS; i++)
    {
        pbar.Print(static_cast<double>(i)/(NUMBER_OF_ITERATIONS - 1.));
    }
    
    auto stop = std::chrono::high_resolution_clock::now();
 
    unsigned int duration = 
      std::chrono::duration_cast<std::chrono::milliseconds>(stop - start).count();
    std::cout << "Number of iterations: " << NUMBER_OF_ITERATIONS << std::endl;
    std::cout << "Time elapsed: " << duration << " ms" << std::endl;
    return 0;
}