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
|
#define NOGMM
#define NOMTL
#include <map>
#include <ext/hash_map>
#include <google/dense_hash_map>
#include <google/sparse_hash_map>
#ifndef SIZE
#define SIZE 10000
#endif
#ifndef DENSITY
#define DENSITY 0.01
#endif
#ifndef REPEAT
#define REPEAT 1
#endif
#include "BenchSparseUtil.h"
#ifndef MINDENSITY
#define MINDENSITY 0.0004
#endif
#ifndef NBTRIES
#define NBTRIES 10
#endif
#define BENCH(X) \
timer.reset(); \
for (int _j=0; _j<NBTRIES; ++_j) { \
timer.start(); \
for (int _k=0; _k<REPEAT; ++_k) { \
X \
} timer.stop(); }
int main(int argc, char *argv[])
{
int rows = SIZE;
int cols = SIZE;
float density = DENSITY;
EigenSparseMatrix sm1(rows,cols), sm2(rows,cols);
int n = rows*cols*density;
std::cout << "n = " << n << "\n";
int dummy;
BenchTimer t;
t.reset(); t.start();
for (int k=0; k<n; ++k)
dummy = ei_random<int>(0,rows-1) + ei_random<int>(0,cols-1);
t.stop();
double rtime = t.value();
std::cout << "rtime = " << rtime << " (" << dummy << ")\n\n";
const int Bits = 6;
for (;;)
{
{
RandomSetter<EigenSparseMatrix,StdMapTraits,Bits> set1(sm1);
t.reset(); t.start();
for (int k=0; k<n; ++k)
set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
t.stop();
std::cout << "std::map => \t" << t.value()-rtime
<< " nnz=" << set1.nonZeros() << "\n";getchar();
}
{
RandomSetter<EigenSparseMatrix,GnuHashMapTraits,Bits> set1(sm1);
t.reset(); t.start();
for (int k=0; k<n; ++k)
set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
t.stop();
std::cout << "gnu::hash_map => \t" << t.value()-rtime
<< " nnz=" << set1.nonZeros() << "\n";getchar();
}
{
RandomSetter<EigenSparseMatrix,GoogleDenseHashMapTraits,Bits> set1(sm1);
t.reset(); t.start();
for (int k=0; k<n; ++k)
set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
t.stop();
std::cout << "google::dense => \t" << t.value()-rtime
<< " nnz=" << set1.nonZeros() << "\n";getchar();
}
{
RandomSetter<EigenSparseMatrix,GoogleSparseHashMapTraits,Bits> set1(sm1);
t.reset(); t.start();
for (int k=0; k<n; ++k)
set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
t.stop();
std::cout << "google::sparse => \t" << t.value()-rtime
<< " nnz=" << set1.nonZeros() << "\n";getchar();
}
std::cout << "\n\n";
}
return 0;
}
|
