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neurali:nemo_esempio1_c [2015/07/16 11:38]
profpro
neurali:nemo_esempio1_c [2020/06/08 22:20] (current)
Line 1: Line 1:
 +Questo ed altri esempi si trovano nelle cartelle dei sorgenti
  
 +nemo/src/app
 +
 +nemo/src/examples
 +
 +
 +<code c>
 +/* Copyright 2010 Imperial College London
 + *
 + * This file is part of NeMo.
 + *
 + * This software is licenced for non-commercial academic use under the GNU
 + * General Public Licence (GPL). You should have received a copy of this
 + * licence along with nemo. If not, see <http://www.gnu.org/licenses/>.
 + */
 +
 +/* This is a top-level utility app for NeMo, which currently only prints
 + * information about the library and the parts of the systems on which it can
 + * run.
 + */
 +
 +#include <iostream>
 +#include <boost/program_options.hpp>
 +
 +#include <nemo.hpp>
 +#include <nemo/config.h>
 +
 +
 +void
 +listCudaDevices()
 +{
 +#ifdef NEMO_CUDA_ENABLED
 + unsigned dcount  = nemo::cudaDeviceCount();
 +
 + if(dcount == 0) {
 + std::cout << "No CUDA devices available\n";
 + return;
 + }
 +
 + for(unsigned d = 0; d < dcount; ++d) {
 + std::cout << d << ": " << nemo::cudaDeviceDescription(d) << std::endl;
 + }
 +#else
 + std::cout << "No CUDA devices available\n";
 +#endif
 +}
 +
 +
 +
 +int
 +main(int argc, char* argv[])
 +{
 + namespace po = boost::program_options;
 + po::options_description desc("Allowed options");
 + desc.add_options()
 + ("help,h", "print this message")
 + ("version,v", "print version number")
 + ("list-devices,l", "print the available simulation devices")
 + ("system-plugin-path", "print the path to the system plugin path for NeMo")
 + ("user-plugin-path", "print the path to the user plugin path for NeMo")
 + ;
 +
 + po::variables_map vm;
 + try {
 + po::store(po::parse_command_line(argc, argv, desc), vm);
 + } catch(boost::program_options::error& e) {
 + std::cerr << "Error: " << e.what() << std::endl;
 + exit(1);
 + }
 + po::notify(vm);
 +
 + if(vm.count("help") != 0) {
 + std::cout << "Usage:\n\t" << argv[0] << " [OPTIONS]\n\n";
 + std::cout << desc << std::endl;
 + exit(0);
 + }
 +
 + if(vm.count("version") != 0) {
 + std::cout << nemo::version() << std::endl;
 + //! \todo list exact build as well
 + //! \todo list build options as well
 + exit(0);
 + }
 +
 + if(vm.count("list-devices") != 0) {
 + listCudaDevices();
 + exit(0);
 + }
 +
 + if(vm.count("system-plugin-path") != 0) {
 + std::cout << NEMO_SYSTEM_PLUGIN_DIR << std::endl;
 + exit(0);
 + }
 +
 + if(vm.count("user-plugin-path") != 0) {
 + std::cout << NEMO_USER_PLUGIN_DIR << std::endl;
 + exit(0);
 + }
 +
 + /* No options chosen, so return error */
 +
 + std::cout << "Usage:\n\t" << argv[0] << " [OPTIONS]\n\n";
 + std::cout << desc << std::endl;
 + return 1;
 +}
 +</code>
neurali/nemo_esempio1_c.txt ยท Last modified: 2020/06/08 22:20 (external edit)