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synced 2026-04-10 11:34:33 +08:00
sparse module:
- remove some useless stuff => let's focus on a single sparse matrix format - finalize the new RandomSetter
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@@ -1,5 +1,5 @@
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#define EIGEN_TAUCS_SUPPORT
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#define EIGEN_CHOLMOD_SUPPORT
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// #define EIGEN_TAUCS_SUPPORT
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// #define EIGEN_CHOLMOD_SUPPORT
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#include <Eigen/Sparse>
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// g++ -DSIZE=10000 -DDENSITY=0.001 sparse_cholesky.cpp -I.. -DDENSEMATRI -O3 -g0 -DNDEBUG -DNBTRIES=1 -I /home/gael/Coding/LinearAlgebra/taucs_full/src/ -I/home/gael/Coding/LinearAlgebra/taucs_full/build/linux/ -L/home/gael/Coding/LinearAlgebra/taucs_full/lib/linux/ -ltaucs /home/gael/Coding/LinearAlgebra/GotoBLAS/libgoto.a -lpthread -I /home/gael/Coding/LinearAlgebra/SuiteSparse/CHOLMOD/Include/ $CHOLLIB -I /home/gael/Coding/LinearAlgebra/SuiteSparse/UFconfig/ /home/gael/Coding/LinearAlgebra/SuiteSparse/CCOLAMD/Lib/libccolamd.a /home/gael/Coding/LinearAlgebra/SuiteSparse/CHOLMOD/Lib/libcholmod.a -lmetis /home/gael/Coding/LinearAlgebra/SuiteSparse/AMD/Lib/libamd.a /home/gael/Coding/LinearAlgebra/SuiteSparse/CAMD/Lib/libcamd.a /home/gael/Coding/LinearAlgebra/SuiteSparse/CCOLAMD/Lib/libccolamd.a /home/gael/Coding/LinearAlgebra/SuiteSparse/COLAMD/Lib/libcolamd.a -llapack && ./a.out
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@@ -70,7 +70,7 @@ void doEigen(const char* name, const EigenSparseSelfAdjointMatrix& sm1, int flag
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std::cout << ":\t" << timer.value() << endl;
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std::cout << " nnz: " << sm1.nonZeros() << " => " << chol.matrixL().nonZeros() << "\n";
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//std::cout << "sparse\n" << chol.matrixL() << "%\n";
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std::cout << "sparse\n" << chol.matrixL() << "%\n";
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}
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int main(int argc, char *argv[])
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@@ -37,6 +37,31 @@
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X \
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} timer.stop(); }
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static double rtime;
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static double nentries;
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template<typename SetterType>
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void dostuff(const char* name, EigenSparseMatrix& sm1)
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{
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int rows = sm1.rows();
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int cols = sm1.cols();
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sm1.setZero();
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BenchTimer t;
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SetterType* set1 = new SetterType(sm1);
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t.reset(); t.start();
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for (int k=0; k<nentries; ++k)
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(*set1)(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
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t.stop();
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std::cout << "std::map => \t" << t.value()-rtime
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<< " nnz=" << set1->nonZeros() << std::flush;
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// getchar();
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t.reset(); t.start(); delete set1; t.stop();
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std::cout << " back: \t" << t.value() << "\n";
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}
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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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@@ -46,56 +71,52 @@ int main(int argc, char *argv[])
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EigenSparseMatrix sm1(rows,cols), sm2(rows,cols);
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int n = rows*cols*density;
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std::cout << "n = " << n << "\n";
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nentries = rows*cols*density;
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std::cout << "n = " << nentries << "\n";
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int dummy;
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BenchTimer t;
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t.reset(); t.start();
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for (int k=0; k<n; ++k)
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for (int k=0; k<nentries; ++k)
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dummy = ei_random<int>(0,rows-1) + ei_random<int>(0,cols-1);
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t.stop();
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double rtime = t.value();
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rtime = t.value();
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std::cout << "rtime = " << rtime << " (" << dummy << ")\n\n";
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const int Bits = 6;
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for (;;)
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{
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{
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RandomSetter<EigenSparseMatrix,StdMapTraits,Bits> set1(sm1);
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t.reset(); t.start();
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for (int k=0; k<n; ++k)
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set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
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t.stop();
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std::cout << "std::map => \t" << t.value()-rtime
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<< " nnz=" << set1.nonZeros() << "\n";getchar();
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}
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{
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RandomSetter<EigenSparseMatrix,GnuHashMapTraits,Bits> set1(sm1);
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t.reset(); t.start();
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for (int k=0; k<n; ++k)
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set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
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t.stop();
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std::cout << "gnu::hash_map => \t" << t.value()-rtime
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<< " nnz=" << set1.nonZeros() << "\n";getchar();
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}
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{
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RandomSetter<EigenSparseMatrix,GoogleDenseHashMapTraits,Bits> set1(sm1);
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t.reset(); t.start();
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for (int k=0; k<n; ++k)
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set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
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t.stop();
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std::cout << "google::dense => \t" << t.value()-rtime
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<< " nnz=" << set1.nonZeros() << "\n";getchar();
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}
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{
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RandomSetter<EigenSparseMatrix,GoogleSparseHashMapTraits,Bits> set1(sm1);
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t.reset(); t.start();
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for (int k=0; k<n; ++k)
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set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
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t.stop();
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std::cout << "google::sparse => \t" << t.value()-rtime
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<< " nnz=" << set1.nonZeros() << "\n";getchar();
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}
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dostuff<RandomSetter<EigenSparseMatrix,StdMapTraits,Bits> >("std::map ", sm1);
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dostuff<RandomSetter<EigenSparseMatrix,GnuHashMapTraits,Bits> >("gnu::hash_map", sm1);
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dostuff<RandomSetter<EigenSparseMatrix,GoogleDenseHashMapTraits,Bits> >("google::dense", sm1);
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dostuff<RandomSetter<EigenSparseMatrix,GoogleSparseHashMapTraits,Bits> >("google::sparse", sm1);
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// {
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// RandomSetter<EigenSparseMatrix,GnuHashMapTraits,Bits> set1(sm1);
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// t.reset(); t.start();
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// for (int k=0; k<n; ++k)
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// set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
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// t.stop();
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// std::cout << "gnu::hash_map => \t" << t.value()-rtime
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// << " nnz=" << set1.nonZeros() << "\n";getchar();
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// }
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// {
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// RandomSetter<EigenSparseMatrix,GoogleDenseHashMapTraits,Bits> set1(sm1);
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// t.reset(); t.start();
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// for (int k=0; k<n; ++k)
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// set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
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// t.stop();
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// std::cout << "google::dense => \t" << t.value()-rtime
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// << " nnz=" << set1.nonZeros() << "\n";getchar();
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// }
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// {
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// RandomSetter<EigenSparseMatrix,GoogleSparseHashMapTraits,Bits> set1(sm1);
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// t.reset(); t.start();
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// for (int k=0; k<n; ++k)
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// set1(ei_random<int>(0,rows-1),ei_random<int>(0,cols-1)) += 1;
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// t.stop();
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// std::cout << "google::sparse => \t" << t.value()-rtime
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// << " nnz=" << set1.nonZeros() << "\n";getchar();
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// }
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std::cout << "\n\n";
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}
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