#include <stdio.h>
#include <stdlib.h>

#define KB 1024
#define MB 1024*KB
#define SIZE 10000000

int arr[SIZE] = {1, 2, 3, 4, 56};

void main()
{
	unsigned time1, time2, sum=0;
	struct timeval start, end;
	int i;
	int temp, temp2, temp3, temp4;
	//asm volatile("mrc p15, 0, %0, c9, c14, 0" : "=r" (i));
	//asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (time1));
	gettimeofday(&start, NULL);
	for (i = 0; i < SIZE/4; i=i+8) {
		temp = i;
		temp2 = i+(SIZE/4);
		temp3 = i+(SIZE/2);
		temp4 = i+(3*SIZE/4);
	}
	gettimeofday(&end, NULL);
	//asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (time2));
	//printf("%u", time2-time1);
	printf("Start %llu.%llu\n",start.tv_sec*1e6, start.tv_usec);
	printf("End %llu.%llu\n",end.tv_sec*1e6, end.tv_usec);
	printf("%llu\n",(-start.tv_sec*1e6-start.tv_usec+end.tv_sec*1e6+end.tv_usec));
}