#include <stdio.h>
#include <omp.h>
#include <malloc.h>

void main(int argc, char **argv )
 {
  int i,workers;
  int *a,*b,*c;
  int mult=256000;
  double start, end;

  workers = omp_get_max_threads();
  a = malloc(workers*mult*sizeof(int));
  b = malloc(workers*mult*sizeof(int));
  c = malloc(workers*mult*sizeof(int));
 
  start = omp_get_wtime();
  #pragma omp parallel for
  for (i=0;i<workers*mult;i++)
   {
    a[i]=i; 
    b[i]=i;
    c[i]=i;
    a[i] = b[i] + c[i];
   }
  end = omp_get_wtime();

  for(i=0;i<workers*mult;i++)
   printf("a[%d](%d) = b[%d] + c[%d]\n",i,a[i],i,i);
  printf ("Parallel Loop took %.04f seconds\n",end-start);

  start = omp_get_wtime();
  for (i=0;i<workers*mult;i++)
   {
    a[i]=i; 
    b[i]=i;
    c[i]=i;
    a[i] = b[i] + c[i];
   }
  end = omp_get_wtime();
  printf ("Serial Loop took %.04f seconds\n",end-start);
 }