/******************************************************************************* * * TRIQS: a Toolbox for Research in Interacting Quantum Systems * * Copyright (C) 2011 by O. Parcollet * * TRIQS is free software: you can redistribute it and/or modify it under the * terms of the GNU General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later * version. * * TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along with * TRIQS. If not, see <http://www.gnu.org/licenses/>. * ******************************************************************************/ #ifndef TRIQS_SPEEDTESTER_H #define TRIQS_SPEEDTESTER_H #include <triqs/utility/first_include.hpp> #include "boost/date_time/posix_time/posix_time.hpp" #include <triqs/utility/typeid_name.hpp> /** * To measure the speed of a function. */ template<typename Obj> void speed_tester(size_t n_iter) { Obj x; using namespace boost::posix_time; using namespace boost::gregorian; boost::posix_time::ptime start_time = boost::posix_time::second_clock::local_time(); for (size_t u=0; u<n_iter; ++u) x(); boost::posix_time::ptime stop_time = boost::posix_time::second_clock::local_time(); time_duration td = stop_time - start_time; std::cerr << triqs::utility::typeid_name(x)<<" : "<<to_simple_string(td) << std::endl; }; #endif