1 | //=====================================================
|
---|
2 | // File : STL_perf_analyzer.hh
|
---|
3 | // Author : L. Plagne <laurent.plagne@edf.fr)>
|
---|
4 | // Copyright (C) EDF R&D, mar déc 3 18:59:35 CET 2002
|
---|
5 | //=====================================================
|
---|
6 | //
|
---|
7 | // This program is free software; you can redistribute it and/or
|
---|
8 | // modify it under the terms of the GNU General Public License
|
---|
9 | // as published by the Free Software Foundation; either version 2
|
---|
10 | // of the License, or (at your option) any later version.
|
---|
11 | //
|
---|
12 | // This program is distributed in the hope that it will be useful,
|
---|
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
15 | // GNU General Public License for more details.
|
---|
16 | // You should have received a copy of the GNU General Public License
|
---|
17 | // along with this program; if not, write to the Free Software
|
---|
18 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
---|
19 | //
|
---|
20 | #ifndef _STL_PERF_ANALYSER_HH
|
---|
21 | #define _STL_PERF_ANALYSER_HH
|
---|
22 |
|
---|
23 | #include "STL_timer.hh"
|
---|
24 | #include "bench_parameter.hh"
|
---|
25 |
|
---|
26 | template<class ACTION>
|
---|
27 | class STL_Perf_Analyzer{
|
---|
28 | public:
|
---|
29 | STL_Perf_Analyzer(unsigned long long nb_sample=DEFAULT_NB_SAMPLE):_nb_sample(nb_sample),_chronos()
|
---|
30 | {
|
---|
31 | MESSAGE("STL_Perf_Analyzer Ctor");
|
---|
32 | };
|
---|
33 | STL_Perf_Analyzer( const STL_Perf_Analyzer & ){
|
---|
34 | INFOS("Copy Ctor not implemented");
|
---|
35 | exit(0);
|
---|
36 | };
|
---|
37 | ~STL_Perf_Analyzer( void ){
|
---|
38 | MESSAGE("STL_Perf_Analyzer Dtor");
|
---|
39 | };
|
---|
40 |
|
---|
41 |
|
---|
42 | inline double eval_mflops(int size)
|
---|
43 | {
|
---|
44 |
|
---|
45 | ACTION action(size);
|
---|
46 |
|
---|
47 | _chronos.start_baseline(_nb_sample);
|
---|
48 |
|
---|
49 | do {
|
---|
50 |
|
---|
51 | action.initialize();
|
---|
52 | } while (_chronos.check());
|
---|
53 |
|
---|
54 | double baseline_time=_chronos.get_time();
|
---|
55 |
|
---|
56 | _chronos.start(_nb_sample);
|
---|
57 | do {
|
---|
58 | action.initialize();
|
---|
59 | action.calculate();
|
---|
60 | } while (_chronos.check());
|
---|
61 |
|
---|
62 | double calculate_time=_chronos.get_time();
|
---|
63 |
|
---|
64 | double corrected_time=calculate_time-baseline_time;
|
---|
65 |
|
---|
66 | // cout << size <<" "<<baseline_time<<" "<<calculate_time<<" "<<corrected_time<<" "<<action.nb_op_base() << endl;
|
---|
67 |
|
---|
68 | return action.nb_op_base()/(corrected_time*1000000.0);
|
---|
69 | //return action.nb_op_base()/(calculate_time*1000000.0);
|
---|
70 |
|
---|
71 | }
|
---|
72 | private:
|
---|
73 |
|
---|
74 | STL_Timer _chronos;
|
---|
75 | unsigned long long _nb_sample;
|
---|
76 |
|
---|
77 |
|
---|
78 | };
|
---|
79 |
|
---|
80 |
|
---|
81 |
|
---|
82 | #endif
|
---|