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      1 //=====================================================
      2 // File   :  intel_bench_fixed_size.hh
      3 // Author :  L. Plagne <laurent.plagne (at) edf.fr)>
      4 // Copyright (C) EDF R&D,  mar dc 3 18:59:37 CET 2002
      5 //=====================================================
      6 //
      7 // This program is free software; you can redistribute it and/or
      8 // modify it under the terms of the GNU General Public License
      9 // as published by the Free Software Foundation; either version 2
     10 // of the License, or (at your option) any later version.
     11 //
     12 // This program is distributed in the hope that it will be useful,
     13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15 // GNU General Public License for more details.
     16 // You should have received a copy of the GNU General Public License
     17 // along with this program; if not, write to the Free Software
     18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
     19 //
     20 #ifndef _BENCH_FIXED_SIZE_HH_
     21 #define _BENCH_FIXED_SIZE_HH_
     22 
     23 #include "utilities.h"
     24 #include "function_time.hh"
     25 
     26 template <class Action>
     27 double bench_fixed_size(int size, unsigned long long  & nb_calc,unsigned long long & nb_init)
     28 {
     29 
     30   Action action(size);
     31 
     32   double time_baseline=time_init(nb_init,action);
     33 
     34   while (time_baseline < MIN_TIME) {
     35 
     36     //INFOS("nb_init="<<nb_init);
     37     //INFOS("time_baseline="<<time_baseline);
     38     nb_init*=2;
     39     time_baseline=time_init(nb_init,action);
     40   }
     41 
     42   time_baseline=time_baseline/(double(nb_init));
     43 
     44   double time_action=time_calculate(nb_calc,action);
     45 
     46   while (time_action < MIN_TIME) {
     47 
     48     nb_calc*=2;
     49     time_action=time_calculate(nb_calc,action);
     50   }
     51 
     52   INFOS("nb_init="<<nb_init);
     53   INFOS("nb_calc="<<nb_calc);
     54 
     55 
     56   time_action=time_action/(double(nb_calc));
     57 
     58   action.check_result();
     59 
     60   time_action=time_action-time_baseline;
     61 
     62   return action.nb_op_base()/(time_action*1000000.0);
     63 
     64 }
     65 
     66 #endif
     67