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
|
#include <stdio.h>
#include <stdlib.h>
#include <CL/cl.h>
int main(int argc, char ** argv)
{
const char * kernel_name = argv[1];
int arg0, arg1, expected, result;
cl_int error;
cl_device_id device_id;
cl_context context;
cl_command_queue command_queue;
cl_kernel kernel;
cl_mem out_buffer;
int out_value = 0;
size_t global_work_size = 1;
/* Parse command line args */
arg0 = atoi(argv[2]);
arg1 = atoi(argv[3]);
expected = atoi(argv[4]);
if (!cluInitGpuDevice(&device_id)) {
return EXIT_FAILURE;
}
context = clCreateContext(NULL, /* Properties */
1, /* Number of devices */
&device_id, /* Device pointer */
NULL, /* Callback for reporting errors */
NULL, /* User data to pass to error callback */
&error); /* Error code */
if (error != CL_SUCCESS) {
fprintf(stderr, "clCreateContext() failed: %s\n", cluErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clCreateContext() succeeded.\n");
command_queue = clCreateCommandQueue(context,
device_id,
0, /* Command queue properties */
&error); /* Error code */
if (error != CL_SUCCESS) {
fprintf(stderr, "clCreateCommandQueue() failed: %s\n",
cluErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clCreateCommandQueue() succeeded.\n");
if (!cluCreateKernel(context, device_id, &kernel, kernel_name)) {
return EXIT_FAILURE;
}
out_buffer = clCreateBuffer(context,
CL_MEM_WRITE_ONLY, /* Flags */
sizeof(int), /* Size of buffer */
NULL, /* Pointer to the data */
&error); /* error code */
if (error != CL_SUCCESS) {
fprintf(stderr, "clCreateBuffer() failed: %s\n", cluErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clCreateBuffer() succeeded.\n");
if ( !cluKernelSetArg(kernel, 0, sizeof(cl_mem), &out_buffer)
|| !cluKernelSetArg(kernel, 1, sizeof(int), &arg0)
|| !cluKernelSetArg(kernel, 2, sizeof(int), &arg1)) {
return EXIT_FAILURE;
}
error = clEnqueueNDRangeKernel(command_queue,
kernel,
1, /* Number of dimensions */
NULL, /* Global work offset */
&global_work_size,
&global_work_size, /* local work size */
0, /* Events in wait list */
NULL, /* Wait list */
NULL); /* Event object for this event */
if (error != CL_SUCCESS) {
fprintf(stderr, "clEnqueueNDRangeKernel() failed: %s\n",
cluErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clEnqueueNDRangeKernel() suceeded.\n");
error = clEnqueueReadBuffer(command_queue,
out_buffer,
CL_TRUE, /* TRUE means it is a blocking read. */
0, /* Buffer offset to read from. */
sizeof(int), /* Bytes to read */
&out_value, /* Pointer to store the data */
0, /* Events in wait list */
NULL, /* Wait list */
NULL); /* Event object */
if (error != CL_SUCCESS) {
fprintf(stderr, "clEnqueueReadBuffer() failed: %s\n",
cluErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clEnqueueReadBuffer() suceeded.\n");
if (out_value == expected) {
fprintf(stderr, "Pass\n");
return EXIT_SUCCESS;
} else {
fprintf(stderr, "Expected %d, but got %d\n", expected, out_value);
return EXIT_FAILURE;
}
}
|
