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//=====================================================
// File : bench.hh
// Author : L. Plagne <laurent.plagne@edf.fr)>
// Copyright (C) EDF R&D, lun sep 30 14:23:16 CEST 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 BENCH_HH
#define BENCH_HH
#include "btl.hh"
#include "bench_parameter.hh"
#include <iostream>
#include "utilities.h"
#include "size_lin_log.hh"
#include "dump_file_x_y.hh"
#include <vector>
#include <string>
#include "timers/portable_perf_analyzer.hh"
//#include "timers/mixed_perf_analyzer.hh"
//#include "timers/x86_perf_analyzer.hh"
//#include "timers/STL_perf_analyzer.hh"
using namespace std;
template <template<class> class Perf_Analyzer, class Action>
BTL_DONT_INLINE void bench( int size_min, int size_max, int nb_point )
{
if (BtlConfig::skipAction(Action::name()))
return;
BTL_DISABLE_SSE_EXCEPTIONS();
string filename="bench_"+Action::name()+".dat";
INFOS("starting " <<filename);
// utilities
std::vector<double> tab_mflops(nb_point);
std::vector<int> tab_sizes(nb_point);
// matrices and vector size calculations
size_lin_log(nb_point,size_min,size_max,tab_sizes);
// loop on matrix size
Perf_Analyzer<Action> perf_action;
for (int i=nb_point-1;i>=0;i--)
{
//INFOS("size=" <<tab_sizes[i]<<" ("<<nb_point-i<<"/"<<nb_point<<")");
std::cout << " " << "size = " << tab_sizes[i] << " " << std::flush;
tab_mflops[i] = perf_action.eval_mflops(tab_sizes[i]);
std::cout << tab_mflops[i] << " MFlops (" << nb_point-i << "/" << nb_point << ")" << std::endl;
}
// std::cout << "\n";
// dump the result in a file :
dump_file_x_y(tab_sizes,tab_mflops,filename);
}
// default Perf Analyzer
template <class Action>
BTL_DONT_INLINE void bench( int size_min, int size_max, int nb_point ){
// if the rdtsc is not available :
bench<Portable_Perf_Analyzer,Action>(size_min,size_max,nb_point);
// if the rdtsc is available :
// bench<Mixed_Perf_Analyzer,Action>(size_min,size_max,nb_point);
// Only for small problem size. Otherwize it will be too long
//bench<X86_Perf_Analyzer,Action>(size_min,size_max,nb_point);
//bench<STL_Perf_Analyzer,Action>(size_min,size_max,nb_point);
}
#endif
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