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/vector.hpp>
10 #include <boost/numeric/ublas/matrix.hpp>
11 #include <boost/program_options.hpp>
12 #include "add.hpp"
13 #include <complex>
14 #include <string>
15
16 namespace po = boost::program_options;
17 namespace ublas = boost::numeric::ublas;
18 namespace bm = boost::numeric::ublas::benchmark;
19
20 template <typename T>
benchmark(std::string const & type)21 void benchmark(std::string const &type)
22 {
23 using vector = ublas::vector<T>;
24 bm::add<vector(vector, vector)> a("add(vector<" + type + ">, vector<" + type + ">)");
25 a.run(std::vector<long>({1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096}));
26 }
27
main(int argc,char ** argv)28 int main(int argc, char **argv)
29 {
30 po::variables_map vm;
31 try
32 {
33 po::options_description desc("Vector-vector addition\n"
34 "Allowed options");
35 desc.add_options()("help,h", "produce help message");
36 desc.add_options()("type,t", po::value<std::string>(), "select value-type (float, double, fcomplex, dcomplex)");
37
38 po::store(po::parse_command_line(argc, argv, desc), vm);
39 po::notify(vm);
40
41 if (vm.count("help"))
42 {
43 std::cout << desc << std::endl;
44 return 0;
45 }
46 }
47 catch(std::exception &e)
48 {
49 std::cerr << "error: " << e.what() << std::endl;
50 return 1;
51 }
52 std::string type = vm.count("type") ? vm["type"].as<std::string>() : "float";
53 if (type == "float")
54 benchmark<float>("float");
55 else if (type == "double")
56 benchmark<double>("double");
57 else if (type == "fcomplex")
58 benchmark<std::complex<float>>("std::complex<float>");
59 else if (type == "dcomplex")
60 benchmark<std::complex<double>>("std::complex<double>");
61 else
62 std::cerr << "unsupported value-type \"" << vm["type"].as<std::string>() << '\"' << std::endl;
63 }
64