ceph/src/boost/libs/numeric/ublas/benchmarks/mm_prod.cpp

   1 //
   2 // Copyright (c) 2018 Stefan Seefeld
   3 // All rights reserved.
   4 //
   5 // This file is part of Boost.uBLAS. It is made available under the
   6 // Boost Software License, Version 1.0.
   7 // (Consult LICENSE or http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #include <boost/numeric/ublas/matrix.hpp>
  10 #include <boost/program_options.hpp>
  11 #include "prod.hpp"
  12 #include <complex>
  13 #include <string>
  14
  15 namespace po = boost::program_options;
  16 namespace ublas = boost::numeric::ublas;
  17 namespace bm = boost::numeric::ublas::benchmark;
  18
  19 template <typename T>
  20 void benchmark(std::string const &type)
  21 {
  22   using matrix = ublas::matrix<T, ublas::basic_row_major<>>;
  23   bm::prod<matrix(matrix, matrix)> p("prod(matrix<" + type + ">)");
  24   p.run(std::vector<long>({1, 2, 4, 8, 16, 32, 64, 128, 256, 512}));//, 1024}));
  25 }
  26
  27 int main(int argc, char **argv)
  28 {
  29   po::variables_map vm;
  30   try
  31   {
  32     po::options_description desc("Matrix product\n"
  33                                  "Allowed options");
  34     desc.add_options()("help,h", "produce help message");
  35     desc.add_options()("type,t", po::value<std::string>(), "select value-type (float, double, fcomplex, dcomplex)");
  36
  37     po::store(po::parse_command_line(argc, argv, desc), vm);
  38     po::notify(vm);
  39
  40     if (vm.count("help"))
  41     {
  42       std::cout << desc << std::endl;
  43       return 0;
  44     }
  45   }
  46   catch(std::exception &e)
  47   {
  48     std::cerr << "error: " << e.what() << std::endl;
  49     return 1;
  50   }
  51   std::string type = vm.count("type") ? vm["type"].as<std::string>() : "float";
  52   if (type == "float")
  53     benchmark<float>("float");
  54   else if (type == "double")
  55     benchmark<double>("double");
  56   else if (type == "fcomplex")
  57     benchmark<std::complex<float>>("std::complex<float>");
  58   else if (type == "dcomplex")
  59     benchmark<std::complex<double>>("std::complex<double>");
  60   else
  61     std::cerr << "unsupported value-type \"" << vm["type"].as<std::string>() << '\"' << std::endl;
  62 }