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Diffstat (limited to 'btl/generic_bench/timers/x86_timer.hh')
| -rw-r--r-- | btl/generic_bench/timers/x86_timer.hh | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/btl/generic_bench/timers/x86_timer.hh b/btl/generic_bench/timers/x86_timer.hh deleted file mode 100644 index cfb5ee8..0000000 --- a/btl/generic_bench/timers/x86_timer.hh +++ /dev/null @@ -1,246 +0,0 @@ -//===================================================== -// File : x86_timer.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 _X86_TIMER_HH -#define _X86_TIMER_HH - -#include <sys/time.h> -#include <sys/resource.h> -#include <unistd.h> -#include <sys/times.h> -//#include "system_time.h" -#define u32 unsigned int -#include <asm/msr.h> -#include "utilities.h" -#include <map> -#include <fstream> -#include <string> -#include <iostream> - -// frequence de la becanne en Hz -//#define FREQUENCY 648000000 -//#define FREQUENCY 1400000000 -#define FREQUENCY 1695000000 - -using namespace std; - - -class X86_Timer { - -public : - - X86_Timer( void ):_frequency(FREQUENCY),_nb_sample(0) - { - MESSAGE("X86_Timer Default Ctor"); - } - - inline void start( void ){ - - rdtsc(_click_start.n32[0],_click_start.n32[1]); - - } - - - inline void stop( void ){ - - rdtsc(_click_stop.n32[0],_click_stop.n32[1]); - - } - - - inline double frequency( void ){ - return _frequency; - } - - double get_elapsed_time_in_second( void ){ - - return (_click_stop.n64-_click_start.n64)/double(FREQUENCY); - - - } - - unsigned long long get_click( void ){ - - return (_click_stop.n64-_click_start.n64); - - } - - inline void find_frequency( void ){ - - time_t initial, final; - int dummy=2; - - initial = time(0); - start(); - do { - dummy+=2; - } - while(time(0)==initial); - // On est au debut d'un cycle d'une seconde !!! - initial = time(0); - start(); - do { - dummy+=2; - } - while(time(0)==initial); - final=time(0); - stop(); - // INFOS("fine grained time : "<< get_elapsed_time_in_second()); - // INFOS("coarse grained time : "<< final-initial); - _frequency=_frequency*get_elapsed_time_in_second()/double(final-initial); - /// INFOS("CPU frequency : "<< _frequency); - - } - - void add_get_click( void ){ - - _nb_sample++; - _counted_clicks[get_click()]++; - fill_history_clicks(); - - } - - void dump_statistics(string filemane){ - - ofstream outfile (filemane.c_str(),ios::out) ; - - std::map<unsigned long long , unsigned long long>::iterator itr; - for(itr=_counted_clicks.begin() ; itr!=_counted_clicks.end() ; itr++) - { - outfile << (*itr).first << " " << (*itr).second << endl ; - } - - outfile.close(); - - } - - void dump_history(string filemane){ - - ofstream outfile (filemane.c_str(),ios::out) ; - - - - for(int i=0 ; i<_history_mean_clicks.size() ; i++) - { - outfile << i << " " - << _history_mean_clicks[i] << " " - << _history_shortest_clicks[i] << " " - << _history_most_occured_clicks[i] << endl ; - } - - outfile.close(); - - } - - - - double get_mean_clicks( void ){ - - std::map<unsigned long long,unsigned long long>::iterator itr; - - unsigned long long mean_clicks=0; - - for(itr=_counted_clicks.begin() ; itr!=_counted_clicks.end() ; itr++) - { - - mean_clicks+=(*itr).second*(*itr).first; - } - - return mean_clicks/double(_nb_sample); - - } - - double get_shortest_clicks( void ){ - - return double((*_counted_clicks.begin()).first); - - } - - void fill_history_clicks( void ){ - - _history_mean_clicks.push_back(get_mean_clicks()); - _history_shortest_clicks.push_back(get_shortest_clicks()); - _history_most_occured_clicks.push_back(get_most_occured_clicks()); - - } - - - double get_most_occured_clicks( void ){ - - unsigned long long moc=0; - unsigned long long max_occurence=0; - - std::map<unsigned long long,unsigned long long>::iterator itr; - - for(itr=_counted_clicks.begin() ; itr!=_counted_clicks.end() ; itr++) - { - - if (max_occurence<=(*itr).second){ - max_occurence=(*itr).second; - moc=(*itr).first; - } - } - - return double(moc); - - } - - void clear( void ) - { - _counted_clicks.clear(); - - _history_mean_clicks.clear(); - _history_shortest_clicks.clear(); - _history_most_occured_clicks.clear(); - - _nb_sample=0; - } - - - -private : - - union - { - unsigned long int n32[2] ; - unsigned long long n64 ; - } _click_start; - - union - { - unsigned long int n32[2] ; - unsigned long long n64 ; - } _click_stop; - - double _frequency ; - - map<unsigned long long,unsigned long long> _counted_clicks; - - vector<double> _history_mean_clicks; - vector<double> _history_shortest_clicks; - vector<double> _history_most_occured_clicks; - - unsigned long long _nb_sample; - - - -}; - - -#endif |