/usr/include/vigra/timing.hxx is in libvigraimpex-dev 1.7.1+dfsg1-2ubuntu4.
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/* */
/* Copyright 2008-2009 by Ullrich Koethe */
/* Cognitive Systems Group, University of Hamburg, Germany */
/* */
/* This file is part of the VIGRA computer vision library. */
/* The VIGRA Website is */
/* http://kogs-www.informatik.uni-hamburg.de/~koethe/vigra/ */
/* Please direct questions, bug reports, and contributions to */
/* ullrich.koethe@iwr.uni-heidelberg.de or */
/* vigra@informatik.uni-hamburg.de */
/* */
/* Permission is hereby granted, free of charge, to any person */
/* obtaining a copy of this software and associated documentation */
/* files (the "Software"), to deal in the Software without */
/* restriction, including without limitation the rights to use, */
/* copy, modify, merge, publish, distribute, sublicense, and/or */
/* sell copies of the Software, and to permit persons to whom the */
/* Software is furnished to do so, subject to the following */
/* conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the */
/* Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES */
/* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND */
/* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT */
/* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, */
/* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING */
/* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR */
/* OTHER DEALINGS IN THE SOFTWARE. */
/* */
/************************************************************************/
#ifndef VIGRA_TIMING_HXX
#define VIGRA_TIMING_HXX
#ifndef VIGRA_NO_TIMING
#include <iostream>
#include <sstream>
#ifdef MULTI_TICTOC
#include <vector>
#endif
// usage:
// void time_it()
// {
// USETICTOC;
// TIC;
// ...
// std::cerr << TOC << " for time_it\n";
// }
#ifdef WIN32
#include "windows.h"
namespace {
inline double queryTimerUnit()
{
LARGE_INTEGER frequency;
QueryPerformanceFrequency(&frequency);
return 1000.0 / frequency.QuadPart;
}
inline double tic_toc_diff_num(LARGE_INTEGER const & tic)
{
LARGE_INTEGER toc;
QueryPerformanceCounter(&toc);
static double unit = queryTimerUnit();
return ((toc.QuadPart - tic.QuadPart) * unit);
}
inline std::string tic_toc_diff_string(LARGE_INTEGER const & tic)
{
double diff = tic_toc_diff_num(tic);
std::stringstream s;
s << diff << " msec";
return s.str();
}
inline void tic_toc_diff(LARGE_INTEGER const & tic)
{
std::cerr << tic_toc_diff_string(tic) <<std::endl;
}
} // unnamed namespace
#ifndef MULTI_TICTOC
#define USETICTOC LARGE_INTEGER tic_timer;
#define TIC QueryPerformanceCounter(&tic_timer);
#define TOC tic_toc_diff (tic_timer);
#define TOCN tic_toc_diff_num (tic_timer);
#define TOCS tic_toc_diff_string(tic_timer);
#else
#define USETICTOC std::vector<LARGE_INTEGER> tic_timer;
#define TIC tic_timer.push_back(LARGE_INTEGER());\
QueryPerformanceCounter(&(tic_timer.back()));
#define TOC tic_toc_diff (tic_timer.back());\
tic_timer.pop_back();
#define TOCN tic_toc_diff_num (tic_timer.back());\
tic_timer.pop_back();
#define TOCS tic_toc_diff_string(tic_timer.back());\
tic_timer.pop_back();
#endif
#else
#if defined(VIGRA_HIRES_TIMING) && !defined(__CYGWIN__)
// requires linking against librt
#include <time.h>
namespace {
inline double tic_toc_diff_num(timespec const & tic)
{
timespec toc;
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &toc);
return ((toc.tv_sec*1000.0 + toc.tv_nsec/1000000.0) -
(tic.tv_sec*1000.0 + tic.tv_nsec/1000000.0));
}
inline std::string tic_toc_diff_string(timeval const & tic)
{
double diff = tic_toc_diff_num(tic);
std::stringstream s;
s << diff << " msec";
return s.str();
}
inline void tic_toc_diff(timeval const & tic)
{
std::cerr << tic_toc_diff_string(tic) << std::endl;
}
} // unnamed namespace
#ifndef MULTI_TICTOC
#define USETICTOC timespec tic_timer;
#define TIC clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &tic_timer);
#define TOC tic_toc_diff (tic_timer);
#define TOCN tic_toc_diff_num (tic_timer);
#define TOCS tic_toc_diff_string(tic_timer);
#else
#define USETICTOC std::vector<timespec> tic_timer;
#define TIC tic_timer.push_back(timespec());\
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &(tic_timer.back()));
#define TOC tic_toc_diff (tic_timer.back());\
tic_timer.pop_back();
#define TOCN tic_toc_diff_num (tic_timer.back());\
tic_timer.pop_back();
#define TOCS tic_toc_diff_string(tic_timer.back());\
tic_timer.pop_back();
#endif
#else
#include <sys/time.h>
namespace {
inline double tic_toc_diff_num(timeval const & tic)
{
timeval toc;
gettimeofday(&toc, NULL);
return ((toc.tv_sec*1000.0 + toc.tv_usec/1000.0) -
(tic.tv_sec*1000.0 + tic.tv_usec/1000.0));
}
inline std::string tic_toc_diff_string(timeval const & tic)
{
double diff = tic_toc_diff_num(tic);
std::stringstream s;
s << diff << " msec";
return s.str();
}
inline void tic_toc_diff(timeval const & tic)
{
std::cerr << tic_toc_diff_string(tic)<< std::endl;
}
} // unnamed namespace
#ifndef MULTI_TICTOC
#define USETICTOC timeval tic_timer;
#define TIC gettimeofday (&tic_timer, NULL);
#define TOC tic_toc_diff (tic_timer);
#define TOCN tic_toc_diff_num (tic_timer);
#define TOCS tic_toc_diff_string(tic_timer);
#else
#define USETICTOC std::vector<timeval> tic_timer;
#define TIC tic_timer.push_back(timeval());\
gettimeofday(&(tic_timer.back()), NULL);
#define TOC tic_toc_diff (tic_timer.back());\
tic_timer.pop_back();
#define TOCN tic_toc_diff_num (tic_timer.back());\
tic_timer.pop_back();
#define TOCS tic_toc_diff_string(tic_timer.back());\
tic_timer.pop_back();
#endif
#endif // VIGRA_HIRES_TIMING
#endif // WIN32
#else // NDEBUG
#define USETICTOC
#define TIC
#define TOC
#define TOCN
#define TICS
#endif // NDEBUG
#endif // VIGRA_TIMING_HXX
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