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105 lines
2.3 KiB
105 lines
2.3 KiB
4 months ago
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//g++ -O3 -g0 -DNDEBUG sparse_transpose.cpp -I.. -I/home/gael/Coding/LinearAlgebra/mtl4/ -DDENSITY=0.005 -DSIZE=10000 && ./a.out
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// -DNOGMM -DNOMTL
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// -DCSPARSE -I /home/gael/Coding/LinearAlgebra/CSparse/Include/ /home/gael/Coding/LinearAlgebra/CSparse/Lib/libcsparse.a
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#ifndef SIZE
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#define SIZE 10000
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#endif
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#ifndef DENSITY
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#define DENSITY 0.01
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#endif
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#ifndef REPEAT
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#define REPEAT 1
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#endif
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#include "BenchSparseUtil.h"
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#ifndef MINDENSITY
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#define MINDENSITY 0.0004
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#endif
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#ifndef NBTRIES
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#define NBTRIES 10
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#endif
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#define BENCH(X) \
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timer.reset(); \
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for (int _j=0; _j<NBTRIES; ++_j) { \
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timer.start(); \
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for (int _k=0; _k<REPEAT; ++_k) { \
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X \
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} timer.stop(); }
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int main(int argc, char *argv[])
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{
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int rows = SIZE;
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int cols = SIZE;
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float density = DENSITY;
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EigenSparseMatrix sm1(rows,cols), sm3(rows,cols);
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BenchTimer timer;
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for (float density = DENSITY; density>=MINDENSITY; density*=0.5)
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{
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fillMatrix(density, rows, cols, sm1);
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// dense matrices
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#ifdef DENSEMATRIX
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{
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DenseMatrix m1(rows,cols), m3(rows,cols);
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eiToDense(sm1, m1);
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BENCH(for (int k=0; k<REPEAT; ++k) m3 = m1.transpose();)
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std::cout << " Eigen dense:\t" << timer.value() << endl;
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}
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#endif
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std::cout << "Non zeros: " << sm1.nonZeros()/float(sm1.rows()*sm1.cols())*100 << "%\n";
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// eigen sparse matrices
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{
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BENCH(for (int k=0; k<REPEAT; ++k) sm3 = sm1.transpose();)
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std::cout << " Eigen:\t" << timer.value() << endl;
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}
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// CSparse
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#ifdef CSPARSE
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{
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cs *m1, *m3;
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eiToCSparse(sm1, m1);
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BENCH(for (int k=0; k<REPEAT; ++k) { m3 = cs_transpose(m1,1); cs_spfree(m3);})
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std::cout << " CSparse:\t" << timer.value() << endl;
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}
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#endif
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// GMM++
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#ifndef NOGMM
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{
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GmmDynSparse gmmT3(rows,cols);
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GmmSparse m1(rows,cols), m3(rows,cols);
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eiToGmm(sm1, m1);
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BENCH(for (int k=0; k<REPEAT; ++k) gmm::copy(gmm::transposed(m1),m3);)
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std::cout << " GMM:\t\t" << timer.value() << endl;
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}
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#endif
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// MTL4
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#ifndef NOMTL
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{
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MtlSparse m1(rows,cols), m3(rows,cols);
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eiToMtl(sm1, m1);
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BENCH(for (int k=0; k<REPEAT; ++k) m3 = trans(m1);)
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std::cout << " MTL4:\t\t" << timer.value() << endl;
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}
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#endif
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std::cout << "\n\n";
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}
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return 0;
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}
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