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- //
- // Copyright (c) 2018 Stefan Seefeld
- // All rights reserved.
- //
- // This file is part of Boost.uBLAS. It is made available under the
- // Boost Software License, Version 1.0.
- // (Consult LICENSE or http://www.boost.org/LICENSE_1_0.txt)
- #include <boost/numeric/ublas/matrix.hpp>
- #include <boost/program_options.hpp>
- #include "../init.hpp"
- #include "../benchmark.hpp"
- #include <complex>
- #include <string>
- namespace po = boost::program_options;
- namespace ublas = boost::numeric::ublas;
- namespace boost { namespace numeric { namespace ublas { namespace benchmark {
- template <typename T>
- class prod : public benchmark
- {
- public:
- prod(std::string const &name) : benchmark(name) {}
- virtual void setup(long l)
- {
- init(a, l, 200);
- init(b, l, 200);
- }
- virtual void operation(long l)
- {
- for (int i = 0; i < l; ++i)
- for (int j = 0; j < l; ++j)
- {
- c(i,j) = 0;
- for (int k = 0; k < l; ++k)
- c(i,j) += a(i,k) * b(k,j);
- }
- }
- private:
- ublas::matrix<T> a;
- ublas::matrix<T> b;
- ublas::matrix<T> c;
- };
- }}}}
- namespace bm = boost::numeric::ublas::benchmark;
- template <typename T>
- void benchmark(std::string const &type)
- {
- // using matrix = ublas::matrix<T, ublas::basic_row_major<>>;
- bm::prod<T> p("ref::prod(matrix<" + type + ">)");
- p.run(std::vector<long>({1, 2, 4, 8, 16, 32, 64, 128, 256, 512}));//, 1024}));
- }
- int main(int argc, char **argv)
- {
- po::variables_map vm;
- try
- {
- po::options_description desc("Matrix product (reference implementation)\n"
- "Allowed options");
- desc.add_options()("help,h", "produce help message");
- desc.add_options()("type,t", po::value<std::string>(), "select value-type (float, double, fcomplex, dcomplex)");
- po::store(po::parse_command_line(argc, argv, desc), vm);
- po::notify(vm);
- if (vm.count("help"))
- {
- std::cout << desc << std::endl;
- return 0;
- }
- }
- catch(std::exception &e)
- {
- std::cerr << "error: " << e.what() << std::endl;
- return 1;
- }
- std::string type = vm.count("type") ? vm["type"].as<std::string>() : "float";
- if (type == "float")
- benchmark<float>("float");
- else if (type == "double")
- benchmark<double>("double");
- else if (type == "fcomplex")
- benchmark<std::complex<float>>("std::complex<float>");
- else if (type == "dcomplex")
- benchmark<std::complex<double>>("std::complex<double>");
- else
- std::cerr << "unsupported value-type \"" << vm["type"].as<std::string>() << '\"' << std::endl;
- }
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