9 void test_using(const char *ctl, char *buf, int bytes, void (*zerof)(void *d, size_t bytes));
11 extern void dozero1(void *d, size_t bytes);
12 extern void dozero2(void *d, size_t bytes);
13 extern void dozero3(void *d, size_t bytes);
14 extern void dozero4(void *d, size_t bytes);
15 extern void dozero5(void *d, size_t bytes);
16 extern void dozero6(void *d, size_t bytes);
17 extern void dozero7(void *d, size_t bytes);
23     int bytes;  in main()  local
32     bytes = strtol(av[1], &ptr, 0);  in main()
36 	bytes *= 1024;  in main()
40 	bytes *= 1024 * 1024;  in main()
44 	bytes *= 1024 * 1024 * 1024;  in main()
52     if (bytes <= 0 && (bytes & 127)) {  in main()
57     buf = mmap(NULL, bytes * 2, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANON, -1, 0);  in main()
62     bzero(buf, bytes * 2);  in main()
64     test_using("bzero", buf, bytes, (void *)bzero);  in main()
66     test_using("dozero1", buf, bytes, dozero1);  in main()
67     test_using("dozero2", buf, bytes, dozero2);  in main()
68     test_using("dozero3", buf, bytes, dozero3);  in main()
69     test_using("dozero4", buf, bytes, dozero4);  in main()
70     test_using("dozero5", buf, bytes, dozero5);  in main()
71     test_using("dozero6", buf, bytes, dozero6);  in main()
72     test_using("dozero7", buf, bytes, dozero7);  in main()
78 test_using(const char *ctl, char *buf, int bytes, void (*zerof)(void *d, size_t bytes))  in test_using()  argument
86 	zerof(buf, bytes);  in test_using()
92 	zerof(buf, bytes);  in test_using()
99     printf("%s %d %5.2f MBytes/sec\n", ctl, bytes,   in test_using()
100 	(double)loops * (double)bytes / (double)us);  in test_using()