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- //
- // Copyright (c) 2018 Stefan Seefeld
- //
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE_1_0.txt or
- // copy at http://www.boost.org/LICENSE_1_0.txt)
- #define BOOST_UBLAS_ENABLE_OPENCL
- #include <boost/numeric/ublas/opencl.hpp>
- #include <boost/program_options.hpp>
- #include "benchmark.hpp"
- #include <complex>
- #include <string>
- namespace po = boost::program_options;
- namespace ublas = boost::numeric::ublas;
- namespace bm = boost::numeric::ublas::benchmark;
- namespace opencl = boost::numeric::ublas::opencl;
- namespace boost { namespace numeric { namespace ublas { namespace benchmark { namespace opencl {
- template <typename S, bool C> class add;
- template <typename V, bool C>
- class add<void(V,V,V), C> : public benchmark<void(V,V,V), C>
- {
- public:
- add(std::string const &name) : benchmark<void(V,V,V), C>(name) {}
- virtual void operation(long l)
- {
- ublas::opencl::element_add(*this->a, *this->b, *this->c, this->queue);
- }
- };
- }}}}}
- template <typename T>
- void benchmark(std::string const &type, bool copy)
- {
- using vector = ublas::vector<T>;
- std::string name = "opencl::elementwise_add(vector<" + type + ">)";
- std::vector<long> sizes({1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096});
- if (copy)
- {
- bm::opencl::add<void(vector, vector, vector), true> p(name);
- p.run(sizes);
- }
- else
- {
- bm::opencl::add<void(vector, vector, vector), false> p(name);
- p.run(sizes);
- }
- }
- int main(int argc, char **argv)
- {
- opencl::library lib;
- po::variables_map vm;
- try
- {
- po::options_description desc("Matrix-vector product (OpenCL)\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)");
- desc.add_options()("copy,c", po::value<bool>(), "include host<->device copy in timing");
- 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";
- bool copy = vm.count("copy") ? vm["copy"].as<bool>() : false;
- if (type == "float")
- benchmark<float>("float", copy);
- else if (type == "double")
- benchmark<double>("double", copy);
- else if (type == "fcomplex")
- benchmark<std::complex<float>>("std::complex<float>", copy);
- else if (type == "dcomplex")
- benchmark<std::complex<double>>("std::complex<double>", copy);
- else
- std::cerr << "unsupported value-type \"" << vm["type"].as<std::string>() << '\"' << std::endl;
- }
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