#define _GNU_SOURCE
#include <stdlib.h>
int main(){
   char *ptr = pvalloc(2 * SIZE + 128);
   char *ptr2 = pvalloc(2 * SIZE + 128);

   unsigned long p = 31;
   unsigned long q = 17;

   int i;
   for (i=0; i < 100000000; i++) {
     set (ptr + 64 * (p % (SIZE / 64) + 60), ptr2 + 64 * (q % (SIZE /64) + 60));
     p = 11 * p + 3;
     q = 13 * p + 5;
   }
}