#include <unistd.h>
#include <stdio.h>
#include <time.h>

int main()
{
        char buffer[4096];

        for (long i = 0; i < 500000000; ++i);

        clock_t start = clock();

        for (long i = 1; ; ++i)
        {
            if (i % 5000000 == 0)
            {
                double elapsed = (clock() - start) / (CLOCKS_PER_SEC * 1.0);
                double amount = i / elapsed;

                printf("*** TICK ***, amount: %ld, elapsed: %fs, syscall/s: %f\n", i, elapsed, amount);
            }
            write(1, buffer, 0);
        }
}

// Before: *** TICK ***, amount: 170000000, elapsed: 34.213585s, syscall/s: 4968786.521494
// After: *** TICK ***, amount: 40000000, elapsed: 14.232020s, syscall/s: 2810563.785042