diff options
Diffstat (limited to 'bench/btl/generic_bench/timers/STL_perf_analyzer.hh')
-rw-r--r-- | bench/btl/generic_bench/timers/STL_perf_analyzer.hh | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/bench/btl/generic_bench/timers/STL_perf_analyzer.hh b/bench/btl/generic_bench/timers/STL_perf_analyzer.hh new file mode 100644 index 000000000..c9f894b1f --- /dev/null +++ b/bench/btl/generic_bench/timers/STL_perf_analyzer.hh @@ -0,0 +1,82 @@ +//===================================================== +// File : STL_perf_analyzer.hh +// Author : L. Plagne <laurent.plagne@edf.fr)> +// Copyright (C) EDF R&D, mar déc 3 18:59:35 CET 2002 +//===================================================== +// +// This program 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 2 +// of the License, or (at your option) any later version. +// +// This program 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 this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +#ifndef _STL_PERF_ANALYSER_HH +#define _STL_PERF_ANALYSER_HH + +#include "STL_timer.hh" +#include "bench_parameter.hh" + +template<class ACTION> +class STL_Perf_Analyzer{ +public: + STL_Perf_Analyzer(unsigned long long nb_sample=DEFAULT_NB_SAMPLE):_nb_sample(nb_sample),_chronos() + { + MESSAGE("STL_Perf_Analyzer Ctor"); + }; + STL_Perf_Analyzer( const STL_Perf_Analyzer & ){ + INFOS("Copy Ctor not implemented"); + exit(0); + }; + ~STL_Perf_Analyzer( void ){ + MESSAGE("STL_Perf_Analyzer Dtor"); + }; + + + inline double eval_mflops(int size) + { + + ACTION action(size); + + _chronos.start_baseline(_nb_sample); + + do { + + action.initialize(); + } while (_chronos.check()); + + double baseline_time=_chronos.get_time(); + + _chronos.start(_nb_sample); + do { + action.initialize(); + action.calculate(); + } while (_chronos.check()); + + double calculate_time=_chronos.get_time(); + + double corrected_time=calculate_time-baseline_time; + + // cout << size <<" "<<baseline_time<<" "<<calculate_time<<" "<<corrected_time<<" "<<action.nb_op_base() << endl; + + return action.nb_op_base()/(corrected_time*1000000.0); + //return action.nb_op_base()/(calculate_time*1000000.0); + + } +private: + + STL_Timer _chronos; + unsigned long long _nb_sample; + + +}; + + + +#endif |