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