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
|
#include <gtest/gtest.h>
#include <time.h>
#include <flann/flann.h>
#include <flann/io/hdf5.h>
#include <flann/nn/ground_truth.h>
#include "flann_tests.h"
using namespace flann;
class Autotuned_SIFT100K : public FLANNTestFixture {
protected:
flann::Matrix<float> data;
flann::Matrix<float> query;
flann::Matrix<size_t> match;
flann::Matrix<float> dists;
flann::Matrix<size_t> indices;
void SetUp()
{
dists = flann::Matrix<float>(new float[1000*5], 1000, 5);
indices = flann::Matrix<size_t>(new size_t[1000*5], 1000, 5);
printf("Reading test data...");
fflush(stdout);
flann::load_from_file(data, "sift100K.h5","dataset");
flann::load_from_file(query,"sift100K.h5","query");
flann::load_from_file(match,"sift100K.h5","match");
printf("done\n");
}
void TearDown()
{
delete[] data.ptr();
delete[] query.ptr();
delete[] match.ptr();
delete[] dists.ptr();
delete[] indices.ptr();
}
};
TEST_F(Autotuned_SIFT100K, TestSearch)
{
flann::log_verbosity(FLANN_LOG_INFO);
Index<L2<float> > index(data, flann::AutotunedIndexParams(0.8,0.01,0,0.1)); // 80% precision
start_timer("Building autotuned index...");
index.buildIndex();
printf("done (%g seconds)\n", stop_timer());
index.save("autotuned.idx");
start_timer("Searching KNN...");
index.knnSearch(query, indices, dists, 5, flann::SearchParams(FLANN_CHECKS_AUTOTUNED) );
printf("done (%g seconds)\n", stop_timer());
float precision = compute_precision(match, indices);
EXPECT_GE(precision, 0.75);
printf("Precision: %g\n", precision);
}
TEST_F(Autotuned_SIFT100K, SavedTest)
{
float precision;
// -------------------------------------
// autotuned index
printf("Loading autotuned index\n");
flann::Index<L2<float> > autotuned_index(data, flann::SavedIndexParams("autotuned.idx"));
const flann::IndexParams index_params = autotuned_index.getParameters();
printf("The index has the following parameters:\n");
flann::print_params(index_params);
printf("Index type is: %d\n", autotuned_index.getType());
start_timer("Searching KNN...");
autotuned_index.knnSearch(query, indices, dists, 5, flann::SearchParams(-2) );
printf("done (%g seconds)\n", stop_timer());
precision = compute_precision(match, indices);
EXPECT_GE(precision, 0.75);
printf("Precision: %g\n", precision);
}
TEST_F(Autotuned_SIFT100K, TestCopy)
{
float precision;
// -------------------------------------
// autotuned index
printf("Loading autotuned index\n");
flann::Index<L2<float> > index(data, flann::SavedIndexParams("autotuned.idx"));
start_timer("Searching KNN...");
index.knnSearch(query, indices, dists, 5, flann::SearchParams(-2) );
printf("done (%g seconds)\n", stop_timer());
precision = compute_precision(match, indices);
EXPECT_GE(precision, 0.75);
printf("Precision: %g\n", precision);
// test copy constructor
Index<L2<float> > index2(index);
start_timer("Searching KNN...");
index2.knnSearch(query, indices, dists, 5, flann::SearchParams(-2) );
printf("done (%g seconds)\n", stop_timer());
float precision2 = compute_precision(match, indices);
printf("Precision: %g\n", precision2);
EXPECT_EQ(precision, precision2);
// test assignment operator
Index<L2<float> > index3(data, flann::LinearIndexParams());
index3 = index;
start_timer("Searching KNN...");
index3.knnSearch(query, indices, dists, 5, flann::SearchParams(-2) );
printf("done (%g seconds)\n", stop_timer());
float precision3 = compute_precision(match, indices);
printf("Precision: %g\n", precision3);
EXPECT_EQ(precision, precision3);
}
TEST_F(Autotuned_SIFT100K, TestCopy2)
{
float precision;
// -------------------------------------
// autotuned index
printf("Loading autotuned index\n");
flann::AutotunedIndex<L2<float> > index(data);
FILE* f = fopen("autotuned.idx", "r");
index.loadIndex(f);
fclose(f);
start_timer("Searching KNN...");
index.knnSearch(query, indices, dists, 5, flann::SearchParams(-2) );
printf("done (%g seconds)\n", stop_timer());
precision = compute_precision(match, indices);
EXPECT_GE(precision, 0.75);
printf("Precision: %g\n", precision);
// test copy constructor
AutotunedIndex<L2<float> > index2(index);
start_timer("Searching KNN...");
index2.knnSearch(query, indices, dists, 5, flann::SearchParams(-2) );
printf("done (%g seconds)\n", stop_timer());
float precision2 = compute_precision(match, indices);
printf("Precision: %g\n", precision2);
EXPECT_EQ(precision, precision2);
// test assignment operator
AutotunedIndex<L2<float> > index3(data);
index3 = index;
start_timer("Searching KNN...");
index3.knnSearch(query, indices, dists, 5, flann::SearchParams(-2) );
printf("done (%g seconds)\n", stop_timer());
float precision3 = compute_precision(match, indices);
printf("Precision: %g\n", precision3);
EXPECT_EQ(precision, precision3);
}
int main(int argc, char** argv)
{
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
|
