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
|
//
// Copyright (c) 2017 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "harness/compat.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "procs.h"
const char *int2float_kernel_code =
"__kernel void test_int2float(__global int *src, __global float *dst)\n"
"{\n"
" int tid = get_global_id(0);\n"
"\n"
" dst[tid] = (float)src[tid];\n"
"\n"
"}\n";
int
verify_int2float(cl_int *inptr, cl_float *outptr, int n)
{
int i;
for (i=0; i<n; i++)
{
if (outptr[i] != (float)inptr[i])
{
log_error("INT2FLOAT test failed\n");
return -1;
}
}
log_info("INT2FLOAT test passed\n");
return 0;
}
int
test_int2float(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements)
{
cl_mem streams[2];
cl_int *input_ptr;
cl_float *output_ptr;
cl_program program;
cl_kernel kernel;
void *values[2];
size_t threads[1];
int err;
int i;
MTdata d;
input_ptr = (cl_int*)malloc(sizeof(cl_int) * num_elements);
output_ptr = (cl_float*)malloc(sizeof(cl_float) * num_elements);
streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_int) * num_elements, NULL, NULL);
if (!streams[0])
{
log_error("clCreateBuffer failed\n");
return -1;
}
streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_float) * num_elements, NULL, NULL);
if (!streams[1])
{
log_error("clCreateBuffer failed\n");
return -1;
}
d = init_genrand( gRandomSeed );
for (i=0; i<num_elements; i++)
input_ptr[i] = (cl_int)get_random_float(-MAKE_HEX_FLOAT( 0x1.0p31f, 0x1, 31), MAKE_HEX_FLOAT( 0x1.0p31f, 0x1, 31), d);
free_mtdata(d); d = NULL;
err = clEnqueueWriteBuffer(queue, streams[0], CL_TRUE, 0, sizeof(cl_int)*num_elements, (void *)input_ptr, 0, NULL, NULL);
if (err != CL_SUCCESS)
{
log_error("clWriteArray failed\n");
return -1;
}
err = create_single_kernel_helper(context, &program, &kernel, 1, &int2float_kernel_code, "test_int2float");
if (err != CL_SUCCESS)
{
log_error("create_single_kernel_helper failed\n");
return -1;
}
values[0] = streams[0];
values[1] = streams[1];
err = clSetKernelArg(kernel, 0, sizeof streams[0], &streams[0]);
err |= clSetKernelArg(kernel, 1, sizeof streams[1], &streams[1]);
if (err != CL_SUCCESS)
{
log_error("clSetKernelArgs failed\n");
return -1;
}
threads[0] = (size_t)num_elements;
err = clEnqueueNDRangeKernel( queue, kernel, 1, NULL, threads, NULL, 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clEnqueueNDRangeKernel failed\n");
return -1;
}
err = clEnqueueReadBuffer( queue, streams[1], true, 0, sizeof(cl_float)*num_elements, (void *)output_ptr, 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clEnqueueReadBuffer failed\n");
return -1;
}
err = verify_int2float(input_ptr, output_ptr, num_elements);
// cleanup
clReleaseMemObject(streams[0]);
clReleaseMemObject(streams[1]);
clReleaseKernel(kernel);
clReleaseProgram(program);
free(input_ptr);
free(output_ptr);
return err;
}
|
