C gettimeofday example

#include <time.h>
#include <sys/time.h>
#include <stdlib.h>
#include <stdio.h>

int main(int argc, char **argv)
{
  if (argc < 2)
    {
      printf("USAGE: %s loop-iterations\n", argv[0]);
      return 1;
    }

  int iterations = atoi(argv[1]);

  struct timeval start, end;

  gettimeofday(&start, NULL);

  for (int i = 0; i < iterations; i++)
    {
    }

  gettimeofday(&end, NULL);

  printf("%ld\n", ((end.tv_sec * 1000000 + end.tv_usec)
		  - (start.tv_sec * 1000000 + start.tv_usec)));

  return 0;
}

Source: cs.loyola.edu

Similar codes

0 vote145 views1 answer
How tier lists work
C
1 vote168 views1 answer
Comentar linhas vscode
C
0 vote153 views1 answer
How to run c program from visual studio terminal
C
0 vote193 views1 answer
Pre and post increment in c
C
1 vote153 views1 answer
'&&' within '||'
C
1 vote149 views1 answer
Last element in flutter
C
11 votes134 views6 answers
Tailwindcss install
C
0 vote145 views1 answer
C long to string
C
0 vote152 views2 answers
Bootstrap 5 container
C
1 vote140 views6 answers
Online linux terminal for c programming
C