#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(); } static double rtime; static double nentries; template<typename SetterType> void dostuff(const char* name, EigenSparseMatrix& sm1) { int rows = sm1.rows(); int cols = sm1.cols(); sm1.setZero(); BenchTimer t; SetterType* set1 = new SetterType(sm1); t.reset(); t.start(); for (int k=0; k<nentries; ++k) (*set1)(internal::random<int>(0,rows-1),internal::random<int>(0,cols-1)) += 1; t.stop(); std::cout << "std::map => \t" << t.value()-rtime << " nnz=" << set1->nonZeros() << std::flush; // getchar(); t.reset(); t.start(); delete set1; t.stop(); std::cout << " back: \t" << t.value() << "\n"; } int main(int argc, char *argv[]) { int rows = SIZE; int cols = SIZE; float density = DENSITY; EigenSparseMatrix sm1(rows,cols), sm2(rows,cols); nentries = rows*cols*density; std::cout << "n = " << nentries << "\n"; int dummy; BenchTimer t; t.reset(); t.start(); for (int k=0; k<nentries; ++k) dummy = internal::random<int>(0,rows-1) + internal::random<int>(0,cols-1); t.stop(); rtime = t.value(); std::cout << "rtime = " << rtime << " (" << dummy << ")\n\n"; const int Bits = 6; for (;;) { dostuff<RandomSetter<EigenSparseMatrix,StdMapTraits,Bits> >("std::map ", sm1); dostuff<RandomSetter<EigenSparseMatrix,GnuHashMapTraits,Bits> >("gnu::hash_map", sm1); dostuff<RandomSetter<EigenSparseMatrix,GoogleDenseHashMapTraits,Bits> >("google::dense", sm1); dostuff<RandomSetter<EigenSparseMatrix,GoogleSparseHashMapTraits,Bits> >("google::sparse", sm1); // { // RandomSetter<EigenSparseMatrix,GnuHashMapTraits,Bits> set1(sm1); // t.reset(); t.start(); // for (int k=0; k<n; ++k) // set1(internal::random<int>(0,rows-1),internal::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(internal::random<int>(0,rows-1),internal::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(internal::random<int>(0,rows-1),internal::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; }