1 files changed, 134 insertions, 0 deletions
diff --git a/bench/btl/generic_bench/timers/portable_perf_analyzer_old.hh b/bench/btl/generic_bench/timers/portable_perf_analyzer_old.hh
new file mode 100644
index 000000000..fce378168
--- /dev/null
+++ b/bench/btl/generic_bench/timers/portable_perf_analyzer_old.hh
@@ -0,0 +1,134 @@
+//=====================================================
+// File   :  portable_perf_analyzer.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
+// Copyright (C) EDF R&D,  mar d�c 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 _PORTABLE_PERF_ANALYZER_HH
+#define _PORTABLE_PERF_ANALYZER_HH
+
+#include "utilities.h"
+#include "timers/portable_timer.hh"
+
+template <class Action>
+class Portable_Perf_Analyzer{
+public:
+  Portable_Perf_Analyzer( void ):_nb_calc(1),_nb_init(1),_chronos(){
+    MESSAGE("Portable_Perf_Analyzer Ctor");
+  };
+  Portable_Perf_Analyzer( const Portable_Perf_Analyzer & ){
+    INFOS("Copy Ctor not implemented");
+    exit(0);
+  };
+  ~Portable_Perf_Analyzer( void ){
+    MESSAGE("Portable_Perf_Analyzer Dtor");
+  };
+
+
+
+  inline double eval_mflops(int size)
+  {
+
+    Action action(size);
+
+//     double time_baseline = time_init(action);
+//     while (time_baseline < MIN_TIME_INIT)
+//     {
+//       _nb_init *= 2;
+//       time_baseline = time_init(action);
+//     }
+//
+//     // optimize
+//     for (int i=1; i<NB_TRIES; ++i)
+//       time_baseline = std::min(time_baseline, time_init(action));
+//
+//     time_baseline = time_baseline/(double(_nb_init));
+
+    double time_action = time_calculate(action);
+    while (time_action < MIN_TIME)
+    {
+      _nb_calc *= 2;
+      time_action = time_calculate(action);
+    }
+
+    // optimize
+    for (int i=1; i<NB_TRIES; ++i)
+      time_action = std::min(time_action, time_calculate(action));
+
+//     INFOS("size="<<size);
+//     INFOS("_nb_init="<<_nb_init);
+//     INFOS("_nb_calc="<<_nb_calc);
+
+    time_action = time_action / (double(_nb_calc));
+
+    action.check_result();
+
+
+    double time_baseline = time_init(action);
+    for (int i=1; i<NB_TRIES; ++i)
+      time_baseline = std::min(time_baseline, time_init(action));
+    time_baseline = time_baseline/(double(_nb_init));
+
+
+
+//     INFOS("time_baseline="<<time_baseline);
+//     INFOS("time_action="<<time_action);
+
+    time_action = time_action - time_baseline;
+
+//     INFOS("time_corrected="<<time_action);
+
+    return action.nb_op_base()/(time_action*1000000.0);
+  }
+
+  inline double time_init(Action & action)
+  {
+    // time measurement
+    _chronos.start();
+    for (int ii=0; ii<_nb_init; ii++)
+      action.initialize();
+    _chronos.stop();
+    return _chronos.user_time();
+  }
+
+
+  inline double time_calculate(Action & action)
+  {
+    // time measurement
+    _chronos.start();
+    for (int ii=0;ii<_nb_calc;ii++)
+    {
+      action.initialize();
+      action.calculate();
+    }
+    _chronos.stop();
+    return _chronos.user_time();
+  }
+
+  unsigned long long get_nb_calc( void )
+  {
+    return _nb_calc;
+  }
+
+
+private:
+  unsigned long long _nb_calc;
+  unsigned long long _nb_init;
+  Portable_Timer _chronos;
+
+};
+
+#endif //_PORTABLE_PERF_ANALYZER_HH