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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/vector.hpp>
- #include <boost/program_options.hpp>
- #include "init.hpp"
- #include "benchmark.hpp"
- #include <complex>
- #include <string>
- namespace boost { namespace numeric { namespace ublas { namespace benchmark {
- template <typename S> class inner_prod;
- template <typename R, typename V1, typename V2>
- class inner_prod<R(V1, V2)> : public benchmark
- {
- public:
- inner_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)
- {
- c = ublas::inner_prod(a, b);
- }
- private:
- V1 a;
- V2 b;
- R c;
- };
- }}}}
- namespace po = boost::program_options;
- namespace ublas = boost::numeric::ublas;
- namespace bm = boost::numeric::ublas::benchmark;
- template <typename T>
- void benchmark(std::string const &type)
- {
- using vector = ublas::vector<T>;
- bm::inner_prod<T(vector, vector)> p("inner_prod(vector<" + type + ">)");
- p.run(std::vector<long>({1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536}));
- }
- int main(int argc, char **argv)
- {
- po::variables_map vm;
- try
- {
- po::options_description desc("Inner product\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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