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
|
#include <cstdint>
#include <cstring>
#include <iostream>
#include "utest_helper.hpp"
void compiler_bitcast_char8_to_long(void)
{
const size_t n = 64;
const int v = 8;
char src[n * v];
uint64_t *dst = (uint64_t *)src;
// Setup kernel and buffers
OCL_CREATE_KERNEL_FROM_FILE("compiler_long_bitcast", "compiler_bitcast_char8_to_long");
OCL_CREATE_BUFFER(buf[0], 0, sizeof(src), NULL);
OCL_CREATE_BUFFER(buf[1], 0, sizeof(src), NULL);
OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
globals[0] = n;
locals[0] = 16;
for (int32_t i = 0; i < (int32_t) n*v; ++i) {
src[i] = (char)rand();
}
OCL_MAP_BUFFER(0);
memcpy(buf_data[0], src, sizeof(src));
OCL_UNMAP_BUFFER(0);
// Run the kernel on GPU
OCL_NDRANGE(1);
// Compare
OCL_MAP_BUFFER(1);
for (int32_t i = 0; i < (int32_t) n; ++i) {
OCL_ASSERT(((uint64_t *)(buf_data[1]))[i] == dst[i]);
//printf("ref is 0x%lx, result is 0x%lx\n", dst[i], ((int64_t *)(buf_data[1]))[i]);
}
OCL_UNMAP_BUFFER(1);
}
void compiler_bitcast_long_to_char8(void)
{
const size_t n = 64;
const int v = 8;
uint64_t src[n];
char *dst = (char *)src;
// Setup kernel and buffers
OCL_CREATE_KERNEL_FROM_FILE("compiler_long_bitcast", "compiler_bitcast_char8_to_long");
OCL_CREATE_BUFFER(buf[0], 0, sizeof(src), NULL);
OCL_CREATE_BUFFER(buf[1], 0, sizeof(src), NULL);
OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
globals[0] = n;
locals[0] = 16;
for (int32_t i = 0; i < (int32_t) n; ++i) {
src[i] = ((int64_t)rand() << 32) + rand();
}
OCL_MAP_BUFFER(0);
memcpy(buf_data[0], src, sizeof(src));
OCL_UNMAP_BUFFER(0);
// Run the kernel on GPU
OCL_NDRANGE(1);
// Compare
OCL_MAP_BUFFER(1);
for (int32_t i = 0; i < (int32_t) n*v; ++i) {
OCL_ASSERT(((char *)(buf_data[1]))[i] == dst[i]);
// printf("ref is 0x%2x, result is 0x%2x\n", dst[i], ((char *)(buf_data[1]))[i]);
}
OCL_UNMAP_BUFFER(1);
}
void compiler_bitcast_int2_to_long(void)
{
const size_t n = 64;
const int v = 2;
int src[n * v];
uint64_t *dst = (uint64_t *)src;
// Setup kernel and buffers
OCL_CREATE_KERNEL_FROM_FILE("compiler_long_bitcast", "compiler_bitcast_int2_to_long");
OCL_CREATE_BUFFER(buf[0], 0, sizeof(src), NULL);
OCL_CREATE_BUFFER(buf[1], 0, sizeof(src), NULL);
OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
globals[0] = n;
locals[0] = 16;
for (int32_t i = 0; i < (int32_t) n*v; ++i) {
src[i] = (int)rand();
}
OCL_MAP_BUFFER(0);
memcpy(buf_data[0], src, sizeof(src));
OCL_UNMAP_BUFFER(0);
// Run the kernel on GPU
OCL_NDRANGE(1);
// Compare
OCL_MAP_BUFFER(1);
for (int32_t i = 0; i < (int32_t) n; ++i) {
OCL_ASSERT(((uint64_t *)(buf_data[1]))[i] == dst[i]);
//printf("ref is 0x%lx, result is 0x%lx\n", dst[i], ((int64_t *)(buf_data[1]))[i]);
}
OCL_UNMAP_BUFFER(1);
}
void compiler_bitcast_long_to_int2(void)
{
const size_t n = 64;
const int v = 2;
uint64_t src[n];
uint32_t *dst = (uint32_t *)src;
// Setup kernel and buffers
OCL_CREATE_KERNEL_FROM_FILE("compiler_long_bitcast", "compiler_bitcast_long_to_int2");
OCL_CREATE_BUFFER(buf[0], 0, sizeof(src), NULL);
OCL_CREATE_BUFFER(buf[1], 0, sizeof(src), NULL);
OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
globals[0] = n;
locals[0] = 16;
for (int32_t i = 0; i < (int32_t) n; ++i) {
src[i] = ((int64_t)i << 32) + i;
}
OCL_MAP_BUFFER(0);
memcpy(buf_data[0], src, sizeof(src));
OCL_UNMAP_BUFFER(0);
// Run the kernel on GPU
OCL_NDRANGE(1);
// Compare
OCL_MAP_BUFFER(1);
for (int32_t i = 0; i < (int32_t) n*v; ++i) {
OCL_ASSERT(((uint32_t *)(buf_data[1]))[i] == dst[i]);
//printf("ref is 0x%2x, result is 0x%2x\n", dst[i], ((uint32_t *)(buf_data[1]))[i]);
}
OCL_UNMAP_BUFFER(1);
}
void compiler_bitcast_short4_to_long(void)
{
const size_t n = 64;
const int v = 4;
short src[n * v];
uint64_t *dst = (uint64_t *)src;
// Setup kernel and buffers
OCL_CREATE_KERNEL_FROM_FILE("compiler_long_bitcast", "compiler_bitcast_short4_to_long");
OCL_CREATE_BUFFER(buf[0], 0, sizeof(src), NULL);
OCL_CREATE_BUFFER(buf[1], 0, sizeof(src), NULL);
OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
globals[0] = n;
locals[0] = 16;
for (int32_t i = 0; i < (int32_t) n*v; ++i) {
src[i] = (short)rand();
}
OCL_MAP_BUFFER(0);
memcpy(buf_data[0], src, sizeof(src));
OCL_UNMAP_BUFFER(0);
// Run the kernel on GPU
OCL_NDRANGE(1);
// Compare
OCL_MAP_BUFFER(1);
for (int32_t i = 0; i < (int32_t) n; ++i) {
OCL_ASSERT(((uint64_t *)(buf_data[1]))[i] == dst[i]);
//printf("ref is 0x%lx, result is 0x%lx\n", dst[i], ((int64_t *)(buf_data[1]))[i]);
}
OCL_UNMAP_BUFFER(1);
}
void compiler_bitcast_long_to_short4(void)
{
const size_t n = 64;
const int v = 4;
uint64_t src[n];
uint16_t *dst = (uint16_t *)src;
// Setup kernel and buffers
OCL_CREATE_KERNEL_FROM_FILE("compiler_long_bitcast", "compiler_bitcast_long_to_short4");
OCL_CREATE_BUFFER(buf[0], 0, sizeof(src), NULL);
OCL_CREATE_BUFFER(buf[1], 0, sizeof(src), NULL);
OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
globals[0] = n;
locals[0] = 16;
for (int32_t i = 0; i < (int32_t) n; ++i) {
src[i] = ((int64_t)rand() << 32) + rand();
}
OCL_MAP_BUFFER(0);
memcpy(buf_data[0], src, sizeof(src));
OCL_UNMAP_BUFFER(0);
// Run the kernel on GPU
OCL_NDRANGE(1);
// Compare
OCL_MAP_BUFFER(1);
for (int32_t i = 0; i < (int32_t) n*v; ++i) {
OCL_ASSERT(((uint16_t *)(buf_data[1]))[i] == dst[i]);
//printf("ref is 0x%2x, result is 0x%2x\n", dst[i], ((uint16_t *)(buf_data[1]))[i]);
}
OCL_UNMAP_BUFFER(1);
}
MAKE_UTEST_FROM_FUNCTION(compiler_bitcast_char8_to_long);
MAKE_UTEST_FROM_FUNCTION(compiler_bitcast_long_to_char8);
MAKE_UTEST_FROM_FUNCTION(compiler_bitcast_int2_to_long);
MAKE_UTEST_FROM_FUNCTION(compiler_bitcast_long_to_int2);
MAKE_UTEST_FROM_FUNCTION(compiler_bitcast_short4_to_long);
MAKE_UTEST_FROM_FUNCTION(compiler_bitcast_long_to_short4);
|