1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
/*
* Copyright (C) 2022 Canonical Ltd.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Marco Trevisan <marco.trevisan@canonical.com>
*/
#include <glib.h>
/* These are to please CI, should be adjusted smartly */
#define SIMPLE_TYPE_ITERATIONS 100000000
#if defined(G_OS_UNIX) && !__APPLE__
#define POINTERS_ARRAY_SIZE 1000000
#elif defined(__APPLE__)
#define POINTERS_ARRAY_SIZE 100000
#else
#define POINTERS_ARRAY_SIZE 10000
#endif
#define MAX_ALLOCATED_SIZE (POINTERS_ARRAY_SIZE * 512)
#ifdef G_USE_SYSTEM_ALLOCATOR
#define instance_alloc(s) g_malloc ((s))
#define instance_alloc0(s) g_malloc0 ((s))
#define instance_free(s, p) g_free ((p))
#else
#define instance_alloc(s) g_slice_alloc ((s))
#define instance_alloc0(s) g_slice_alloc0 ((s))
#define instance_free(s, p) g_slice_free1 ((s), (p))
#endif
static void
csv_report (const char *allocator, gint iterations, gdouble time_elapsed)
{
g_test_message ("CSV: %s/%s/%d,%f",
g_test_get_path (), allocator, iterations, time_elapsed);
}
#define allocate_and_free_many(type, type_size, allocator, N) \
{ \
guint i; \
\
for (i = 0; i < N; i++) \
{ \
gpointer ptr = allocator (type_size); \
instance_free (type_size, ptr); \
} \
}
#define test_alloc_and_free(type, type_size, allocator, N) \
{ \
gdouble time_elapsed; \
\
g_test_timer_start (); \
\
allocate_and_free_many (type, type_size, allocator, N); \
\
time_elapsed = g_test_timer_elapsed (); \
g_test_minimized_result (time_elapsed, \
"Allocated and free'd %u instances of %s " \
"(size: %" G_GSIZE_FORMAT " using %s in %6.5f seconds", \
N, #type, (gsize) type_size, #allocator, time_elapsed); \
csv_report (#allocator, N, time_elapsed); \
}
#define test_alloc_many_and_free(type, type_size, allocator, N) \
{ \
guint i; \
gdouble time_elapsed; \
gpointer *ptrs[N] = { 0 }; \
gdouble total_time = 0; \
\
g_test_timer_start (); \
\
for (i = 0; i < N; i++) \
ptrs[i] = allocator (type_size); \
\
time_elapsed = g_test_timer_elapsed (); \
total_time += time_elapsed; \
\
g_test_minimized_result (time_elapsed, \
"Allocated %u instances of %s (size: %" G_GSIZE_FORMAT \
") using %s in %6.5f seconds", \
N, #type, (gsize) type_size, #allocator, time_elapsed); \
csv_report (#allocator, N, time_elapsed); \
\
g_test_timer_start (); \
\
for (i = 0; i < N; i++) \
instance_free (type_size, ptrs[i]); \
\
time_elapsed = g_test_timer_elapsed (); \
total_time += time_elapsed; \
\
g_test_minimized_result (time_elapsed, \
"Free'd %u instances of %s in %6.5f seconds", \
N, #type, time_elapsed); \
csv_report ("free", N, time_elapsed); \
\
g_test_minimized_result (total_time, \
"Allocated and Free'd %u instances of %s using %s " \
"in %6.5f seconds", \
N, #type, #allocator, total_time); \
\
csv_report (#allocator "+free", N, total_time); \
}
#define test_allocation_simple_type(type) \
static void \
test_allocation_##type (void) \
{ \
test_alloc_and_free (type, sizeof (type), instance_alloc, SIMPLE_TYPE_ITERATIONS); \
test_alloc_and_free (type, sizeof (type), instance_alloc0, SIMPLE_TYPE_ITERATIONS); \
\
test_alloc_many_and_free (type, sizeof (type), instance_alloc, POINTERS_ARRAY_SIZE); \
test_alloc_many_and_free (type, sizeof (type), instance_alloc0, POINTERS_ARRAY_SIZE); \
}
#define test_allocation_sized(size) \
static void \
test_allocation_sized_##size (void) \
{ \
test_alloc_and_free ("struct" #size, size, instance_alloc, SIMPLE_TYPE_ITERATIONS); \
test_alloc_and_free ("struct" #size, size, instance_alloc0, SIMPLE_TYPE_ITERATIONS); \
\
test_alloc_many_and_free ("struct" #size, size, instance_alloc, \
MIN (POINTERS_ARRAY_SIZE, MAX_ALLOCATED_SIZE / size)); \
test_alloc_many_and_free ("struct" #size, size, instance_alloc0, \
MIN (POINTERS_ARRAY_SIZE, MAX_ALLOCATED_SIZE / size)); \
}
#define test_allocate_and_free_many_mixed(max_steps, allocator, N) \
{ \
guint i; \
gdouble time_elapsed; \
GArray *steps_size = g_array_sized_new (FALSE, FALSE, sizeof (gsize), max_steps); \
\
for (i = 0; i < max_steps; i++) \
{ \
gsize size = 1 << (i + 1); \
if (g_test_verbose ()) \
g_test_message ("Step allocation size %" G_GSIZE_FORMAT, size); \
g_array_insert_val (steps_size, i, size); \
} \
\
g_test_timer_start (); \
\
for (i = 0; i < N; i++) \
{ \
gsize element_size = g_array_index (steps_size, gsize, (i % max_steps)); \
gpointer ptr = allocator (element_size); \
instance_free (element_size, ptr); \
} \
\
time_elapsed = g_test_timer_elapsed (); \
g_test_minimized_result (time_elapsed, \
"Allocated and free'd %u instances of mixed types " \
"(step: %s) using %s in %6.5f seconds", \
N, #max_steps, #allocator, time_elapsed); \
csv_report (#allocator, N, time_elapsed); \
}
#define test_allocation_mixed_sizes(max_steps) \
static void \
test_allocation_mixed_step_##max_steps (void) \
{ \
gsize step_size = 0; \
gint i; \
\
for (i = 0; i < max_steps; i++) \
step_size += 1 << (i + 1); \
(void) step_size; \
\
test_allocate_and_free_many_mixed (max_steps, instance_alloc, \
SIMPLE_TYPE_ITERATIONS); \
test_allocate_and_free_many_mixed (max_steps, instance_alloc0, \
SIMPLE_TYPE_ITERATIONS); \
}
test_allocation_simple_type (gchar);
test_allocation_simple_type (gshort);
test_allocation_simple_type (glong);
test_allocation_simple_type (gint);
test_allocation_simple_type (gboolean);
test_allocation_simple_type (guchar);
test_allocation_simple_type (gushort);
test_allocation_simple_type (gulong);
test_allocation_simple_type (guint);
test_allocation_simple_type (gfloat);
test_allocation_simple_type (gdouble);
test_allocation_simple_type (gpointer);
test_allocation_sized (32);
test_allocation_sized (64);
test_allocation_sized (128);
test_allocation_sized (256);
test_allocation_sized (512);
test_allocation_sized (1024);
test_allocation_sized (2048);
test_allocation_sized (4096);
test_allocation_mixed_sizes (8);
test_allocation_mixed_sizes (12);
#ifdef G_USE_SYSTEM_ALLOCATOR
#define TEST_BASENAME "/allocation/system"
#else
#define TEST_BASENAME "/allocation/gslice"
#endif
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
g_test_message ("GSlice will use a chunk size of %" G_GINT64_FORMAT,
g_slice_get_config (G_SLICE_CONFIG_CHUNK_SIZES));
G_GNUC_END_IGNORE_DEPRECATIONS;
g_test_add_func (TEST_BASENAME "/simple-type/gchar", test_allocation_gchar);
g_test_add_func (TEST_BASENAME "/simple-type/gshort", test_allocation_gshort);
g_test_add_func (TEST_BASENAME "/simple-type/glong", test_allocation_glong);
g_test_add_func (TEST_BASENAME "/simple-type/gint", test_allocation_gint);
g_test_add_func (TEST_BASENAME "/simple-type/gboolean", test_allocation_gboolean);
g_test_add_func (TEST_BASENAME "/simple-type/guchar", test_allocation_guchar);
g_test_add_func (TEST_BASENAME "/simple-type/gushort", test_allocation_gushort);
g_test_add_func (TEST_BASENAME "/simple-type/gulong", test_allocation_gulong);
g_test_add_func (TEST_BASENAME "/simple-type/guint", test_allocation_guint);
g_test_add_func (TEST_BASENAME "/simple-type/gfloat", test_allocation_gfloat);
g_test_add_func (TEST_BASENAME "/simple-type/gdouble", test_allocation_gdouble);
g_test_add_func (TEST_BASENAME "/simple-type/gpointer", test_allocation_gpointer);
/* FIXME: Depending on the OS we should only test up to the size that the
* GSlice would support, otherwise we'd get system allocator anyways.
*/
g_test_add_func (TEST_BASENAME "/sized/32", test_allocation_sized_32);
g_test_add_func (TEST_BASENAME "/sized/64", test_allocation_sized_64);
g_test_add_func (TEST_BASENAME "/sized/128", test_allocation_sized_128);
g_test_add_func (TEST_BASENAME "/sized/256", test_allocation_sized_256);
g_test_add_func (TEST_BASENAME "/sized/512", test_allocation_sized_512);
g_test_add_func (TEST_BASENAME "/sized/1024", test_allocation_sized_1024);
g_test_add_func (TEST_BASENAME "/sized/2048", test_allocation_sized_2048);
g_test_add_func (TEST_BASENAME "/sized/4096", test_allocation_sized_4096);
g_test_add_func (TEST_BASENAME "/mixed/8", test_allocation_mixed_step_8);
g_test_add_func (TEST_BASENAME "/mixed/12", test_allocation_mixed_step_12);
return g_test_run ();
}
|
