bench/btl/generic_bench/timers/mixed_perf_analyzer.hh

//=====================================================
// File   :  mixed_perf_analyzer.hh
// Author :  L. Plagne <laurent.plagne@edf.fr)>
// Copyright (C) EDF R&D,  mar déc 3 18:59:36 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 _MIXED_PERF_ANALYSER_HH
#define _MIXED_PERF_ANALYSER_HH

#include "x86_perf_analyzer.hh"
#include "portable_perf_analyzer.hh"

// choose portable perf analyzer for long calculations and x86 analyser for short ones

template <class Action>
class Mixed_Perf_Analyzer {
 public:
  Mixed_Perf_Analyzer(void) : _x86pa(), _ppa(), _use_ppa(true) { MESSAGE("Mixed_Perf_Analyzer Ctor"); };
  Mixed_Perf_Analyzer(const Mixed_Perf_Analyzer&) {
    INFOS("Copy Ctor not implemented");
    exit(0);
  };
  ~Mixed_Perf_Analyzer(void) { MESSAGE("Mixed_Perf_Analyzer Dtor"); };

  inline double eval_mflops(int size) {
    double result = 0.0;
    if (_use_ppa) {
      result = _ppa.eval_mflops(size);
      if (_ppa.get_nb_calc() > DEFAULT_NB_SAMPLE) {
        _use_ppa = false;
      }
    } else {
      result = _x86pa.eval_mflops(size);
    }

    return result;
  }

 private:
  Portable_Perf_Analyzer<Action> _ppa;
  X86_Perf_Analyzer<Action> _x86pa;
  bool _use_ppa;
};

#endif