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
|
#include "pocl_opencl.h"
#define CL_HPP_ENABLE_EXCEPTIONS
#define CL_HPP_MINIMUM_OPENCL_VERSION 120
#define CL_HPP_TARGET_OPENCL_VERSION 120
#include <CL/opencl.hpp>
#include <cassert>
#include <iostream>
using namespace std;
const char *SOURCE = R"RAW(
__kernel void test(global uint *output, global const uint* trialValue){
/* Variable declarations */
int lid = get_local_id(0);
int i, j, k;
uint result[Y][Z];
__local uint localResult[X][Y][Z];
for (i = 0; i < Y; ++i)
for (j = 0; j < Z; ++j) {
result[i][j] = 0;
localResult[lid][i][j] = 0;
}
for (i = 0; i < Y; ++i)
for (j = 0; j < Z; ++j) {
result[i][j] += trialValue[j] * 4;
localResult[lid][i][j] += result[i][j];
}
barrier (CLK_LOCAL_MEM_FENCE);
uint sum = 0;
for (k = 0; k < X; ++k)
for (i = 0; i < Y; ++i)
for (j = 0; j < Z; ++j) {
sum += localResult[k][i][j];
}
output[lid] = sum;
}
)RAW";
bool test_invocation(unsigned x, unsigned y, unsigned z,
const std::string &arg_x, const std::string &arg_y,
const std::string &arg_z, cl::CommandQueue &queue) {
unsigned expected_sum = x * y * z * 4;
unsigned local_size = x;
assert(local_size > 0);
assert(local_size <= 256);
cl::Program program(SOURCE);
std::string options = "-cl-std=CL1.2";
options += " -DX=" + arg_x + " -DY=" + arg_y + " -DZ=" + arg_z;
program.build(options.c_str());
cl_uint *in1 = new cl_uint[z];
cl_uint *out = new cl_uint[x];
for (size_t i = 0; i < x; ++i) {
out[i] = 0;
}
for (size_t i = 0; i < z; ++i) {
in1[i] = 1;
}
cl::Buffer inbuf((cl_mem_flags)(CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR),
(z * sizeof(cl_uint)), in1);
cl::Buffer outbuf((cl_mem_flags)(CL_MEM_WRITE_ONLY | CL_MEM_USE_HOST_PTR),
(x * sizeof(cl_uint)), out);
// This triggers compilation of dynamic WG binaries.
cl::Program::Binaries binaries{};
int err = program.getInfo<>(CL_PROGRAM_BINARIES, &binaries);
assert(err == CL_SUCCESS);
auto kernel = cl::KernelFunctor<cl::Buffer, cl::Buffer>(program, "test");
kernel(
cl::EnqueueArgs(queue, cl::NDRange(local_size), cl::NDRange(local_size)),
outbuf, inbuf);
queue.enqueueReadBuffer(outbuf, 1, 0, (x * sizeof(cl_uint)), out);
queue.finish();
bool correct = true;
for (size_t i = 0; i < x; ++i) {
if (out[i] != expected_sum)
correct = false;
}
std::cout << (correct ? "OK\n" : "FAIL\n");
delete[] in1;
delete[] out;
return correct;
}
int main(int argc, char *argv[]) {
if (argc < 4) {
std::cout << "USAGE: $0 X Y Z\n";
return EXIT_FAILURE;
}
cl::Platform platform = cl::Platform::getDefault();
cl::Device device = cl::Device::getDefault();
std::string arg_x(argv[1]);
std::string arg_y(argv[2]);
std::string arg_z(argv[3]);
unsigned x = std::stoi(argv[1]);
unsigned y = std::stoi(argv[2]);
unsigned z = std::stoi(argv[3]);
try {
cl::CommandQueue queue = cl::CommandQueue::getDefault();
if (!test_invocation(x, y, z, arg_x, arg_y, arg_z, queue))
return EXIT_FAILURE;
if (!test_invocation(y, z, x, arg_y, arg_z, arg_x, queue))
return EXIT_FAILURE;
if (!test_invocation(z, x, y, arg_z, arg_x, arg_y, queue))
return EXIT_FAILURE;
} catch (cl::Error &err) {
std::cerr << "ERROR: " << err.what() << "(" << err.err() << ")"
<< std::endl;
return EXIT_FAILURE;
}
platform.unloadCompiler();
return EXIT_SUCCESS;
}
|
