diff options
author | Martin Schanzenbach <schanzen@gnunet.org> | 2023-10-18 13:37:38 +0200 |
---|---|---|
committer | Martin Schanzenbach <schanzen@gnunet.org> | 2023-10-18 13:37:38 +0200 |
commit | 9ef4abad615bea12d13be542b8ae5fbeb2dfee32 (patch) | |
tree | 8875a687e004d331c9ea6a1d511a328c72b88113 /src/util/perf_malloc.c | |
parent | e95236b3ed78cd597c15f34b89385295702b627f (diff) | |
download | gnunet-9ef4abad615bea12d13be542b8ae5fbeb2dfee32.tar.gz gnunet-9ef4abad615bea12d13be542b8ae5fbeb2dfee32.zip |
NEWS: Refactoring components under src/ into lib/, plugin/, cli/ and service/
This also includes a necessary API refactoring of crypto from IDENTITY
to UTIL.
Diffstat (limited to 'src/util/perf_malloc.c')
-rw-r--r-- | src/util/perf_malloc.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/src/util/perf_malloc.c b/src/util/perf_malloc.c deleted file mode 100644 index 48a4a2ae7..000000000 --- a/src/util/perf_malloc.c +++ /dev/null | |||
@@ -1,98 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2012 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @author Christian Grothoff | ||
23 | * @file util/perf_malloc.c | ||
24 | * @brief measure performance of allocation functions | ||
25 | */ | ||
26 | |||
27 | #include "platform.h" | ||
28 | #include "gnunet_util_lib.h" | ||
29 | #include <gauger.h> | ||
30 | |||
31 | static uint64_t | ||
32 | perf_malloc () | ||
33 | { | ||
34 | uint64_t ret; | ||
35 | |||
36 | ret = 0; | ||
37 | for (size_t i = 1; i < 1024 * 1024; i += 1024) | ||
38 | { | ||
39 | ret += i; | ||
40 | GNUNET_free_nz (GNUNET_malloc (i)); | ||
41 | } | ||
42 | return ret; | ||
43 | } | ||
44 | |||
45 | |||
46 | static uint64_t | ||
47 | perf_realloc () | ||
48 | { | ||
49 | uint64_t ret; | ||
50 | |||
51 | ret = 0; | ||
52 | for (size_t i = 10; i < 1024 * 1024 / 5; i += 1024) | ||
53 | { | ||
54 | char *ptr; | ||
55 | |||
56 | ret += i; | ||
57 | ptr = GNUNET_malloc (i); | ||
58 | memset (ptr, 1, i); | ||
59 | ptr = GNUNET_realloc (ptr, i + 5); | ||
60 | for (size_t j = 0; j<i; j++) | ||
61 | GNUNET_assert (1 == ptr[j]); | ||
62 | memset (ptr, 6, i + 5); | ||
63 | ptr = GNUNET_realloc (ptr, i - 5); | ||
64 | for (size_t j = 0; j<i - 5; j++) | ||
65 | GNUNET_assert (6 == ptr[j]); | ||
66 | GNUNET_free (ptr); | ||
67 | } | ||
68 | return ret; | ||
69 | } | ||
70 | |||
71 | |||
72 | int | ||
73 | main (int argc, char *argv[]) | ||
74 | { | ||
75 | struct GNUNET_TIME_Absolute start; | ||
76 | uint64_t kb; | ||
77 | |||
78 | start = GNUNET_TIME_absolute_get (); | ||
79 | kb = perf_malloc (); | ||
80 | printf ("Malloc perf took %s\n", | ||
81 | GNUNET_STRINGS_relative_time_to_string ( | ||
82 | GNUNET_TIME_absolute_get_duration (start), | ||
83 | GNUNET_YES)); | ||
84 | GAUGER ("UTIL", "Allocation", | ||
85 | kb / 1024 / (1 | ||
86 | + GNUNET_TIME_absolute_get_duration | ||
87 | (start).rel_value_us / 1000LL), "kb/ms"); | ||
88 | start = GNUNET_TIME_absolute_get (); | ||
89 | kb = perf_realloc (); | ||
90 | printf ("Realloc perf took %s\n", | ||
91 | GNUNET_STRINGS_relative_time_to_string ( | ||
92 | GNUNET_TIME_absolute_get_duration (start), | ||
93 | GNUNET_YES)); | ||
94 | return 0; | ||
95 | } | ||
96 | |||
97 | |||
98 | /* end of perf_malloc.c */ | ||