eigen/bench/btl/generic_bench/timers/mixed_perf_analyzer.hh

59 lines
1.9 KiB
C++

//=====================================================
// 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