1
2//g++ -O3 -g0 -DNDEBUG  sparse_transpose.cpp -I.. -I/home/gael/Coding/LinearAlgebra/mtl4/ -DDENSITY=0.005 -DSIZE=10000 && ./a.out
3// -DNOGMM -DNOMTL
4// -DCSPARSE -I /home/gael/Coding/LinearAlgebra/CSparse/Include/ /home/gael/Coding/LinearAlgebra/CSparse/Lib/libcsparse.a
5
6#ifndef SIZE
7#define SIZE 10000
8#endif
9
10#ifndef DENSITY
11#define DENSITY 0.01
12#endif
13
14#ifndef REPEAT
15#define REPEAT 1
16#endif
17
18#include "BenchSparseUtil.h"
19
20#ifndef MINDENSITY
21#define MINDENSITY 0.0004
22#endif
23
24#ifndef NBTRIES
25#define NBTRIES 10
26#endif
27
28#define BENCH(X) \
29  timer.reset(); \
30  for (int _j=0; _j<NBTRIES; ++_j) { \
31    timer.start(); \
32    for (int _k=0; _k<REPEAT; ++_k) { \
33        X  \
34  } timer.stop(); }
35
36int main(int argc, char *argv[])
37{
38  int rows = SIZE;
39  int cols = SIZE;
40  float density = DENSITY;
41
42  EigenSparseMatrix sm1(rows,cols), sm3(rows,cols);
43
44  BenchTimer timer;
45  for (float density = DENSITY; density>=MINDENSITY; density*=0.5)
46  {
47    fillMatrix(density, rows, cols, sm1);
48
49    // dense matrices
50    #ifdef DENSEMATRIX
51    {
52      DenseMatrix m1(rows,cols), m3(rows,cols);
53      eiToDense(sm1, m1);
54      BENCH(for (int k=0; k<REPEAT; ++k) m3 = m1.transpose();)
55      std::cout << "  Eigen dense:\t" << timer.value() << endl;
56    }
57    #endif
58
59    std::cout << "Non zeros: " << sm1.nonZeros()/float(sm1.rows()*sm1.cols())*100 << "%\n";
60
61    // eigen sparse matrices
62    {
63      BENCH(for (int k=0; k<REPEAT; ++k) sm3 = sm1.transpose();)
64      std::cout << "  Eigen:\t" << timer.value() << endl;
65    }
66
67    // CSparse
68    #ifdef CSPARSE
69    {
70      cs *m1, *m3;
71      eiToCSparse(sm1, m1);
72
73      BENCH(for (int k=0; k<REPEAT; ++k) { m3 = cs_transpose(m1,1); cs_spfree(m3);})
74      std::cout << "  CSparse:\t" << timer.value() << endl;
75    }
76    #endif
77
78    // GMM++
79    #ifndef NOGMM
80    {
81      GmmDynSparse  gmmT3(rows,cols);
82      GmmSparse m1(rows,cols), m3(rows,cols);
83      eiToGmm(sm1, m1);
84      BENCH(for (int k=0; k<REPEAT; ++k) gmm::copy(gmm::transposed(m1),m3);)
85      std::cout << "  GMM:\t\t" << timer.value() << endl;
86    }
87    #endif
88
89    // MTL4
90    #ifndef NOMTL
91    {
92      MtlSparse m1(rows,cols), m3(rows,cols);
93      eiToMtl(sm1, m1);
94      BENCH(for (int k=0; k<REPEAT; ++k) m3 = trans(m1);)
95      std::cout << "  MTL4:\t\t" << timer.value() << endl;
96    }
97    #endif
98
99    std::cout << "\n\n";
100  }
101
102  return 0;
103}
104
105