linear time

svetoslave@vm-ubuntu-svetoslave:~/scratch$ cat linear.c
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
    long long x = strtoll(argv[1], NULL, 0);
    printf("Iterating %lld times\n", x);
    for (long long i = 0; i < x; i++) {
        asm volatile("nop");
    }
    printf("Done\n");
    return 0;
}

svetoslave@vm-ubuntu-svetoslave:~/scratch$ time ./linear 10000
Iterating 10000 times
Done

real    0m0,001s
user    0m0,001s
sys 0m0,000s
svetoslave@vm-ubuntu-svetoslave:~/scratch$ time ./linear 100000
Iterating 100000 times
Done

real    0m0,001s
user    0m0,001s
sys 0m0,000s
svetoslave@vm-ubuntu-svetoslave:~/scratch$ time ./linear 1000000
Iterating 1000000 times
Done

real    0m0,003s
user    0m0,002s
sys 0m0,000s
svetoslave@vm-ubuntu-svetoslave:~/scratch$ time ./linear 10000000
Iterating 10000000 times
Done

real    0m0,020s
user    0m0,020s
sys 0m0,000s
svetoslave@vm-ubuntu-svetoslave:~/scratch$