1  #include <stdlib.h>
       2  #include <stdio.h>
       3  
       4  int
       5  main (void)
       6  {
       7  #pragma acc parallel vector_length (64)
       8    {
       9  #pragma acc loop worker
      10      for (unsigned int i = 0; i < 32; i++)
      11  #pragma acc loop vector
      12        for (unsigned int j = 0; j < 64; j++)
      13  	;
      14    }
      15  
      16    return 0;
      17  }