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
|
/* Apache License, Version 2.0 */
#include "testing/testing.h"
#include <string.h>
#include "atomic_ops.h"
#include "MEM_guardedalloc.h"
extern "C" {
#include "BLI_utildefines.h"
#include "BLI_listbase.h"
#include "BLI_mempool.h"
#include "BLI_task.h"
};
#define NUM_ITEMS 10000
/* *** Parallel iterations over range of integer values. *** */
static void task_range_iter_func(void *userdata, int index, const TaskParallelTLS *__restrict tls)
{
int *data = (int *)userdata;
data[index] = index;
*((int *)tls->userdata_chunk) += index;
// printf("%d, %d, %d\n", index, data[index], *((int *)tls->userdata_chunk));
}
static void task_range_iter_reduce_func(const void *__restrict UNUSED(userdata),
void *__restrict join_v,
void *__restrict userdata_chunk)
{
int *join = (int *)join_v;
int *chunk = (int *)userdata_chunk;
*join += *chunk;
// printf("%d, %d\n", data[NUM_ITEMS], *((int *)userdata_chunk));
}
TEST(task, RangeIter)
{
int data[NUM_ITEMS] = {0};
int sum = 0;
BLI_threadapi_init();
TaskParallelSettings settings;
BLI_parallel_range_settings_defaults(&settings);
settings.min_iter_per_thread = 1;
settings.userdata_chunk = ∑
settings.userdata_chunk_size = sizeof(sum);
settings.func_reduce = task_range_iter_reduce_func;
BLI_task_parallel_range(0, NUM_ITEMS, data, task_range_iter_func, &settings);
/* Those checks should ensure us all items of the listbase were processed once, and only once
* as expected. */
int expected_sum = 0;
for (int i = 0; i < NUM_ITEMS; i++) {
EXPECT_EQ(data[i], i);
expected_sum += i;
}
EXPECT_EQ(sum, expected_sum);
BLI_threadapi_exit();
}
/* *** Parallel iterations over mempool items. *** */
static void task_mempool_iter_func(void *userdata, MempoolIterData *item)
{
int *data = (int *)item;
int *count = (int *)userdata;
EXPECT_TRUE(data != NULL);
*data += 1;
atomic_sub_and_fetch_uint32((uint32_t *)count, 1);
}
TEST(task, MempoolIter)
{
int *data[NUM_ITEMS];
BLI_threadapi_init();
BLI_mempool *mempool = BLI_mempool_create(
sizeof(*data[0]), NUM_ITEMS, 32, BLI_MEMPOOL_ALLOW_ITER);
int i;
/* 'Randomly' add and remove some items from mempool, to create a non-homogenous one. */
int num_items = 0;
for (i = 0; i < NUM_ITEMS; i++) {
data[i] = (int *)BLI_mempool_alloc(mempool);
*data[i] = i - 1;
num_items++;
}
for (i = 0; i < NUM_ITEMS; i += 3) {
BLI_mempool_free(mempool, data[i]);
data[i] = NULL;
num_items--;
}
for (i = 0; i < NUM_ITEMS; i += 7) {
if (data[i] == NULL) {
data[i] = (int *)BLI_mempool_alloc(mempool);
*data[i] = i - 1;
num_items++;
}
}
for (i = 0; i < NUM_ITEMS - 5; i += 23) {
for (int j = 0; j < 5; j++) {
if (data[i + j] != NULL) {
BLI_mempool_free(mempool, data[i + j]);
data[i + j] = NULL;
num_items--;
}
}
}
BLI_task_parallel_mempool(mempool, &num_items, task_mempool_iter_func, true);
/* Those checks should ensure us all items of the mempool were processed once, and only once - as
* expected. */
EXPECT_EQ(num_items, 0);
for (i = 0; i < NUM_ITEMS; i++) {
if (data[i] != NULL) {
EXPECT_EQ(*data[i], i);
}
}
BLI_mempool_destroy(mempool);
BLI_threadapi_exit();
}
/* *** Parallel iterations over double-linked list items. *** */
static void task_listbase_iter_func(void *userdata,
void *item,
int index,
const TaskParallelTLS *__restrict UNUSED(tls))
{
LinkData *data = (LinkData *)item;
int *count = (int *)userdata;
data->data = POINTER_FROM_INT(POINTER_AS_INT(data->data) + index);
atomic_sub_and_fetch_uint32((uint32_t *)count, 1);
}
TEST(task, ListBaseIter)
{
ListBase list = {NULL, NULL};
LinkData *items_buffer = (LinkData *)MEM_calloc_arrayN(
NUM_ITEMS, sizeof(*items_buffer), __func__);
BLI_threadapi_init();
int i;
int num_items = 0;
for (i = 0; i < NUM_ITEMS; i++) {
BLI_addtail(&list, &items_buffer[i]);
num_items++;
}
TaskParallelSettings settings;
BLI_parallel_range_settings_defaults(&settings);
BLI_task_parallel_listbase(&list, &num_items, task_listbase_iter_func, &settings);
/* Those checks should ensure us all items of the listbase were processed once, and only once -
* as expected. */
EXPECT_EQ(num_items, 0);
LinkData *item;
for (i = 0, item = (LinkData *)list.first; i < NUM_ITEMS && item != NULL;
i++, item = item->next) {
EXPECT_EQ(POINTER_AS_INT(item->data), i);
}
EXPECT_EQ(NUM_ITEMS, i);
MEM_freeN(items_buffer);
BLI_threadapi_exit();
}
|
