2 This file is part of GNUnet.
3 (C) 2002, 2003, 2004, 2006 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 2, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @author Christian Grothoff
23 * @file util/perf_crypto_hash.c
24 * @brief measure performance of hash function
27 #include "gnunet_common.h"
28 #include "gnunet_crypto_lib.h"
29 #include "gnunet_time_lib.h"
40 buf = GNUNET_malloc (1024 * 64);
41 memset (buf, 1, 1024 * 64);
42 GNUNET_CRYPTO_hash ("foo", 3, &hc1);
43 for (i = 0; i < 1024; i++)
45 GNUNET_CRYPTO_hash (&hc1, sizeof (GNUNET_HashCode), &hc2);
46 GNUNET_CRYPTO_hash (&hc2, sizeof (GNUNET_HashCode), &hc1);
47 GNUNET_CRYPTO_hash (buf, 1024 * 64, &hc3);
53 main (int argc, char *argv[])
55 struct GNUNET_TIME_Absolute start;
57 start = GNUNET_TIME_absolute_get ();
59 printf ("Hash perf took %llu ms\n",
61 GNUNET_TIME_absolute_get_duration (start).value);
65 /* end of hashperf.c */