89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
//
|
|
// 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/numeric/ublas/vector.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 add : public benchmark
|
|
{
|
|
public:
|
|
add(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)
|
|
c(i) = a(i) + b(i);
|
|
}
|
|
private:
|
|
ublas::vector<T> a;
|
|
ublas::vector<T> b;
|
|
ublas::vector<T> c;
|
|
};
|
|
|
|
}}}}
|
|
|
|
namespace bm = boost::numeric::ublas::benchmark;
|
|
|
|
template <typename T>
|
|
void benchmark(std::string const &type)
|
|
{
|
|
bm::add<T> p("ref::add(vector<" + type + ">)");
|
|
p.run(std::vector<long>({1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096}));
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
po::variables_map vm;
|
|
try
|
|
{
|
|
po::options_description desc("Vector-vector addition (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;
|
|
}
|