add.c

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#define NUM_ACCELS 8
#define ARRAY_SIZE 10000
#define OPS_PER_ACCEL ARRAY_SIZE/NUM_ACCELS

#include <stdio.h>
#include "add.h"

int output[NUM_ACCELS];

#pragma omp declare simd
void add (int accelnum, int startidx, int endidx)
{
   int sum = 0;
   int i;
   for (i = 0; i < OPS_PER_ACCEL; i++)
   {
      sum += array[i+startidx];
   }
   output[accelnum] = sum;
}


int
main ()
{
   int sum = 0;
   int i;

   #pragma omp simd
   for (i = 0; i < NUM_ACCELS; i++)
   {
      add(i, i * OPS_PER_ACCEL, (i + 1)*OPS_PER_ACCEL);
   }

   //combine results
   for (i = 0; i < NUM_ACCELS; i++)
   {
      sum += output[i];
   }

   //check result
   printf ("Result: %d\n", sum);
   if (sum == 55000)
   {
      printf("RESULT: PASS\n");
   }
   else
   {
      printf("RESULT: FAIL\n");
   }

   return 0;
}