7 u_long NBUCKETS = 2000;
9 u_long NSIZE = (16*1024);
14 main(int argc, char **argv)
18 if (argc > 1) NOPS = strtoul(argv[1],0,0);
19 if (argc > 2) NBUCKETS = strtoul(argv[2],0,0);
20 if (argc > 3) NSIZE = strtoul(argv[3],0,0);
21 printf("BRK(0)=%p ", sbrk(0));
22 foo = malloc(sizeof(*foo) * NBUCKETS);
23 memset(foo, 0, sizeof(*foo) * NBUCKETS);
24 for (i = 1; i <= 4096; i *= 2) {
25 for (j = 0; j < 40960/i && j < NBUCKETS; j++) {
28 for (j = 0; j < 40960/i && j < NBUCKETS; j++) {
34 for (i = 0; i < NOPS; i++) {
35 j = random() % NBUCKETS;
37 foo[j] = realloc(foo[j], k & 1 ? 0 : k);
38 if (k & 1 || k == 0) {
40 * Workaround because realloc return bogus pointer rather than
41 * NULL if passed zero length.
48 printf("BRK(1)=%p ", sbrk(0));
49 for (j = 0; j < NBUCKETS; j++) {
55 printf("BRK(2)=%p NOPS=%lu NBUCKETS=%lu NSIZE=%lu\n",
56 sbrk(0), NOPS, NBUCKETS, NSIZE);