gtsam
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Eigen
bench
btl
generic_bench
timers
x86_perf_analyzer.hh
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//=====================================================
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// File : x86_perf_analyzer.hh
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// Author : L. Plagne <laurent.plagne@edf.fr)>
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// Copyright (C) EDF R&D, mar d�c 3 18:59:35 CET 2002
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//=====================================================
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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#ifndef _X86_PERF_ANALYSER_HH
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#define _X86_PERF_ANALYSER_HH
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#include "
x86_timer.hh
"
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#include "
bench_parameter.hh
"
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template
<
class
ACTION>
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class
X86_Perf_Analyzer
{
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public
:
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X86_Perf_Analyzer
(
unsigned
long
long
nb_sample=
DEFAULT_NB_SAMPLE
):
_nb_sample
(nb_sample),
_chronos
()
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{
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MESSAGE
(
"X86_Perf_Analyzer Ctor"
);
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_chronos
.
find_frequency
();
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};
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X86_Perf_Analyzer
(
const
X86_Perf_Analyzer
& ){
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INFOS
(
"Copy Ctor not implemented"
);
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exit(0);
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};
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~X86_Perf_Analyzer
(
void
){
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MESSAGE
(
"X86_Perf_Analyzer Dtor"
);
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};
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inline
double
eval_mflops
(
int
size
)
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{
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ACTION
action
(
size
);
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int
nb_loop=5;
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double
calculate_time=0.0;
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double
baseline_time=0.0;
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for
(
int
j
=0 ;
j
< nb_loop ;
j
++){
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_chronos
.
clear
();
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for
(
int
i
=0 ;
i
<
_nb_sample
;
i
++)
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{
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_chronos
.
start
();
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action
.initialize();
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action
.calculate();
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_chronos
.
stop
();
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_chronos
.
add_get_click
();
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}
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calculate_time += double(
_chronos
.
get_shortest_clicks
())/
_chronos
.
frequency
();
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if
(
j
==0)
action
.check_result();
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_chronos
.
clear
();
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for
(
int
i
=0 ;
i
<
_nb_sample
;
i
++)
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{
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_chronos
.
start
();
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action
.initialize();
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_chronos
.
stop
();
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_chronos
.
add_get_click
();
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}
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baseline_time+=double(
_chronos
.
get_shortest_clicks
())/
_chronos
.
frequency
();
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}
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double
corrected_time = (calculate_time-baseline_time)/
double
(nb_loop);
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// INFOS("_nb_sample="<<_nb_sample);
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// INFOS("baseline_time="<<baseline_time);
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// INFOS("calculate_time="<<calculate_time);
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// INFOS("corrected_time="<<corrected_time);
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// cout << size <<" "<<baseline_time<<" "<<calculate_time<<" "<<corrected_time<<" "<<action.nb_op_base() << endl;
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return
action
.nb_op_base()/(corrected_time*1000000.0);
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//return action.nb_op_base()/(calculate_time*1000000.0);
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}
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private
:
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X86_Timer
_chronos
;
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unsigned
long
long
_nb_sample
;
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};
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#endif
X86_Timer::find_frequency
void find_frequency(void)
Definition:
x86_timer.hh:84
X86_Timer::get_shortest_clicks
double get_shortest_clicks(void)
Definition:
x86_timer.hh:169
X86_Perf_Analyzer::_nb_sample
unsigned long long _nb_sample
Definition:
x86_perf_analyzer.hh:101
X86_Perf_Analyzer::X86_Perf_Analyzer
X86_Perf_Analyzer(unsigned long long nb_sample=DEFAULT_NB_SAMPLE)
Definition:
x86_perf_analyzer.hh:29
X86_Perf_Analyzer::X86_Perf_Analyzer
X86_Perf_Analyzer(const X86_Perf_Analyzer &)
Definition:
x86_perf_analyzer.hh:34
X86_Timer::clear
void clear(void)
Definition:
x86_timer.hh:204
size
Scalar Scalar int size
Definition:
benchVecAdd.cpp:17
MESSAGE
#define MESSAGE(chain)
Definition:
3rdparty/Eigen/bench/btl/generic_bench/utils/utilities.h:76
j
std::ptrdiff_t j
Definition:
tut_arithmetic_redux_minmax.cpp:2
X86_Perf_Analyzer::_chronos
X86_Timer _chronos
Definition:
x86_perf_analyzer.hh:100
X86_Timer::start
void start(void)
Definition:
x86_timer.hh:53
X86_Timer::stop
void stop(void)
Definition:
x86_timer.hh:60
X86_Timer::add_get_click
void add_get_click(void)
Definition:
x86_timer.hh:111
X86_Perf_Analyzer
Definition:
x86_perf_analyzer.hh:27
gtsam.examples.DogLegOptimizerExample.action
action
Definition:
DogLegOptimizerExample.py:115
x86_timer.hh
bench_parameter.hh
INFOS
#define INFOS(chain)
Definition:
3rdparty/Eigen/bench/btl/generic_bench/utils/utilities.h:22
X86_Perf_Analyzer::~X86_Perf_Analyzer
~X86_Perf_Analyzer(void)
Definition:
x86_perf_analyzer.hh:38
DEFAULT_NB_SAMPLE
#define DEFAULT_NB_SAMPLE
Definition:
bench_parameter.hh:48
X86_Timer
Definition:
x86_timer.hh:44
i
int i
Definition:
BiCGSTAB_step_by_step.cpp:9
X86_Timer::frequency
double frequency(void)
Definition:
x86_timer.hh:67
X86_Perf_Analyzer::eval_mflops
double eval_mflops(int size)
Definition:
x86_perf_analyzer.hh:43
gtsam
Author(s):
autogenerated on Fri Nov 1 2024 03:43:12