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//=====================================================
// Copyright (C) 2011 Andrea Arteaga <andyspiros@gmail.com>
//=====================================================
//
// 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_NODE_HH
#define _PORTABLE_PERF_ANALYZER_NODE_HH
#include "utilities.h"
#include "timers/portable_timer.hh"
#include "blacs.h"
template <class Action>
class Distributed_Perf_Analyzer_Node{
public:
Distributed_Perf_Analyzer_Node( ):_nb_calc(0){
MESSAGE("Distributed_Perf_Analyzer_Node Ctor");
int temp, what = 0;
blacs_get_(&temp, &what, &context);
};
Distributed_Perf_Analyzer_Node( const Distributed_Perf_Analyzer_Node& ){
INFOS("Copy Ctor not implemented");
exit(0);
};
~Distributed_Perf_Analyzer_Node(){
MESSAGE("Distributed_Perf_Analyzer_Node Dtor");
};
BTL_DONT_INLINE double eval_mflops(int size, bool silent = false)
{
Action action(size);
/* Find best _nb_calc_ */
int bcast_receive, iZERO = 0, iONE = 1;
igebr2d_(&context, "A", " ", &iONE, &iONE, &bcast_receive, &iONE, &iZERO, &iZERO);
while (bcast_receive > 0) {
_nb_calc = bcast_receive;
action.initialize();
time_calculate(action);
igebr2d_(&context, "A", " ", &iONE, &iONE, &bcast_receive, &iONE, &iZERO, &iZERO);
}
int tries = -bcast_receive;
/* Optimize */
for (int i = 1; i < tries; ++i) {
Action _action(size);
_action.initialize();
time_calculate(_action);
}
/* Check */
int do_check;
igebr2d_(&context, "A", " ", &iONE, &iONE, &do_check, &iONE, &iZERO, &iZERO);
if (do_check > 0) {
action.initialize();
action.calculate();
action.check_result();
}
/* Return a void value */
return 0.;
}
BTL_DONT_INLINE void time_calculate(Action & action)
{
// no need for time measurement
action.calculate();
for (int i = 0; i < _nb_calc; ++i)
action.calculate();
}
unsigned long long get_nb_calc()
{
return _nb_calc;
}
private:
int context;
unsigned long long _nb_calc;
};
#endif //_PORTABLE_PERF_ANALYZER_NODE_HH
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