diff options
Diffstat (limited to 'src/util/perf_crypto_hash.c')
-rw-r--r-- | src/util/perf_crypto_hash.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/util/perf_crypto_hash.c b/src/util/perf_crypto_hash.c new file mode 100644 index 000000000..a6f6ba340 --- /dev/null +++ b/src/util/perf_crypto_hash.c | |||
@@ -0,0 +1,64 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2002, 2003, 2004, 2006 Christian Grothoff (and other contributing authors) | ||
4 | |||
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. | ||
9 | |||
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. | ||
14 | |||
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. | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @author Christian Grothoff | ||
23 | * @file util/perf_crypto_hash.c | ||
24 | * @brief measure performance of hash function | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_common.h" | ||
28 | #include "gnunet_crypto_lib.h" | ||
29 | #include "gnunet_time_lib.h" | ||
30 | |||
31 | static void | ||
32 | perfHash () | ||
33 | { | ||
34 | GNUNET_HashCode hc1; | ||
35 | GNUNET_HashCode hc2; | ||
36 | GNUNET_HashCode hc3; | ||
37 | int i; | ||
38 | char *buf; | ||
39 | |||
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++) | ||
44 | { | ||
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); | ||
48 | } | ||
49 | GNUNET_free (buf); | ||
50 | } | ||
51 | |||
52 | int | ||
53 | main (int argc, char *argv[]) | ||
54 | { | ||
55 | struct GNUNET_TIME_Absolute start; | ||
56 | |||
57 | start = GNUNET_TIME_absolute_get (); | ||
58 | perfHash (); | ||
59 | printf ("Hash perf took %llu ms\n", | ||
60 | GNUNET_TIME_absolute_get_duration (start).value); | ||
61 | return 0; | ||
62 | } | ||
63 | |||
64 | /* end of hashperf.c */ | ||