performance testing facility

comparer.cpp

/*
 * Created by CrazyPython.
 * Licensed under CC Attribution 4.0 International
 * License text at https://creativecommons.org/licenses/by/4.0/
 */
#include <ctime>
#include <iostream>
#include <ctype.h>
#include <algorithm>
#include <vector>
#include <sstream>
/* Often-used libraries */

using namespace std;

void inline task2() {
    
}


void inline task1() {
    
}

void initialize() {
    
}

double iterations = 1000000; // Number of iterations per test
double testcount = 4; // Number of independent tests to perform


int main() {
    cout << "Timer starting..." << endl;
    for (int j = 1; j < testcount + 1; ++j) {
        cout << "Run #" << j << ':' << endl;
        initialize();
        double start = (double) time(nullptr);
        for (int i = 0; i < iterations + 1; ++i) {
            task1();
        }
        double stop = (double) time(nullptr);
        double time1 = stop - start;
        double time1microseconds = ((stop - start) / iterations) * 1000000;
        cout << "\tTask 1: " << stop - start << " / " << iterations << " = " << time1microseconds
            << " microseconds" << endl;
        
        start = (double) time(nullptr);
        for (int i = 0; i < iterations + 1; ++i) {
            task2();
        }
        stop = (double) time(nullptr);
        double time2 = stop - start;
        double time2microseconds = ((stop - start) / iterations) * 1000000;
        cout << "\tTask 2: " << stop - start << " / " << iterations << " = " << time2microseconds
            << " microseconds" << endl;
        if (time2 > time1) {
            cout << "\tTask 1 was " << (int) time2 / time1 << "x times faster by "
                << time2microseconds - time1microseconds
                << " microseconds" << endl;
        } else if (time2 < time1) {
            cout << "\tTask 2 was " << (int) time1 / time2 << "x times faster by "
                << time1microseconds - time2microseconds
                << " microseconds" << endl;
        } else {
            cout << "\tNeither task was faster." << endl;
        }
    }
}