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vigra/timing.hxx |

    00001 /************************************************************************/
    00002 /*                                                                      */
    00003 /*               Copyright 2008-2009 by Ullrich Koethe                  */
    00004 /*       Cognitive Systems Group, University of Hamburg, Germany        */
    00005 /*                                                                      */
    00006 /*    This file is part of the VIGRA computer vision library.           */
    00007 /*    The VIGRA Website is                                              */
    00008 /*        http://kogs-www.informatik.uni-hamburg.de/~koethe/vigra/      */
    00009 /*    Please direct questions, bug reports, and contributions to        */
    00010 /*        ullrich.koethe@iwr.uni-heidelberg.de    or                    */
    00011 /*        vigra@informatik.uni-hamburg.de                               */
    00012 /*                                                                      */
    00013 /*    Permission is hereby granted, free of charge, to any person       */
    00014 /*    obtaining a copy of this software and associated documentation    */
    00015 /*    files (the "Software"), to deal in the Software without           */
    00016 /*    restriction, including without limitation the rights to use,      */
    00017 /*    copy, modify, merge, publish, distribute, sublicense, and/or      */
    00018 /*    sell copies of the Software, and to permit persons to whom the    */
    00019 /*    Software is furnished to do so, subject to the following          */
    00020 /*    conditions:                                                       */
    00021 /*                                                                      */
    00022 /*    The above copyright notice and this permission notice shall be    */
    00023 /*    included in all copies or substantial portions of the             */
    00024 /*    Software.                                                         */
    00025 /*                                                                      */
    00026 /*    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND    */
    00027 /*    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES   */
    00028 /*    OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND          */
    00029 /*    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT       */
    00030 /*    HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,      */
    00031 /*    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING      */
    00032 /*    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR     */
    00033 /*    OTHER DEALINGS IN THE SOFTWARE.                                   */
    00034 /*                                                                      */
    00035 /************************************************************************/
    00036
    00037
    00038 #ifndef VIGRA_TIMING_HXX
    00039 #define VIGRA_TIMING_HXX
    00040 #ifndef VIGRA_NO_TIMING
    00041
    00042 #include <iostream>
    00043 #include <sstream>
    00044 #ifdef MULTI_TICTOC
    00045     #include <vector>
    00046 #endif
    00047 // usage:
    00048 // void time_it()
    00049 // {
    00050 //     USETICTOC;
    00051 //     TIC;
    00052 //      ...
    00053 //     std::cerr << TOC << " for time_it\n";
    00054 // }
    00055
    00056 #ifdef WIN32
    00057
    00058     #include "windows.h"
    00059
    00060     namespace {
    00061
    00062     inline double queryTimerUnit()
    00063     {
    00064         LARGE_INTEGER frequency;
    00065         QueryPerformanceFrequency(&frequency);
    00066         return 1000.0 / frequency.QuadPart;
    00067     }
    00068
    00069     inline double tic_toc_diff_num(LARGE_INTEGER const & tic)
    00070     {
    00071         LARGE_INTEGER toc;
    00072         QueryPerformanceCounter(&toc);
    00073         static double unit = queryTimerUnit();
    00074         return ((toc.QuadPart - tic.QuadPart) * unit);
    00075     }
    00076
    00077     inline std::string tic_toc_diff_string(LARGE_INTEGER const & tic)
    00078     {
    00079         double diff = tic_toc_diff_num(tic);
    00080         std::stringstream s;
    00081         s << diff << " msec";
    00082         return s.str();
    00083     }
    00084
    00085     inline void tic_toc_diff(LARGE_INTEGER const & tic)
    00086     {
    00087         std::cerr << tic_toc_diff_string(tic) <<std::endl;
    00088     }
    00089
    00090     } // unnamed namespace
    00091
    00092 #ifndef MULTI_TICTOC
    00093     #define USETICTOC LARGE_INTEGER tic_timer;
    00094     #define TIC QueryPerformanceCounter(&tic_timer);
    00095     #define TOC  tic_toc_diff       (tic_timer);
    00096     #define TOCN tic_toc_diff_num   (tic_timer);
    00097     #define TOCS tic_toc_diff_string(tic_timer);
    00098 #else
    00099     #define USETICTOC std::vector<LARGE_INTEGER> tic_timer;
    00100     #define TIC tic_timer.push_back(LARGE_INTEGER());\
    00101                 QueryPerformanceCounter(&(tic_timer.back()));
    00102     #define TOC  tic_toc_diff       (tic_timer.back());\
    00103                  tic_timer.pop_back();
    00104     #define TOCN tic_toc_diff_num   (tic_timer.back());\
    00105                  tic_timer.pop_back();
    00106     #define TOCS tic_toc_diff_string(tic_timer.back());\
    00107                  tic_timer.pop_back();
    00108 #endif
    00109
    00110 #else
    00111
    00112     #if defined(VIGRA_HIRES_TIMING) && !defined(__CYGWIN__)
    00113         // requires linking against librt
    00114
    00115         #include <time.h>
    00116
    00117         namespace {
    00118
    00119         inline double tic_toc_diff_num(timespec const & tic)
    00120         {
    00121             timespec toc;
    00122             clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &toc);
    00123             return ((toc.tv_sec*1000.0 + toc.tv_nsec/1000000.0) -
    00124                   (tic.tv_sec*1000.0 + tic.tv_nsec/1000000.0));
    00125         }
    00126
    00127         inline std::string tic_toc_diff_string(timeval const & tic)
    00128         {
    00129             double diff = tic_toc_diff_num(tic);
    00130             std::stringstream s;
    00131             s << diff << " msec";
    00132             return s.str();
    00133         }
    00134
    00135         inline void tic_toc_diff(timeval const & tic)
    00136         {
    00137             std::cerr << tic_toc_diff_string(tic) << std::endl;
    00138         }
    00139         } // unnamed namespace
    00140
    00141 #ifndef MULTI_TICTOC
    00142         #define USETICTOC timespec tic_timer;
    00143         #define TIC clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &tic_timer);
    00144         #define TOC  tic_toc_diff       (tic_timer);
    00145         #define TOCN tic_toc_diff_num   (tic_timer);
    00146         #define TOCS tic_toc_diff_string(tic_timer);
    00147 #else
    00148
    00149         #define USETICTOC std::vector<timespec> tic_timer;
    00150         #define TIC tic_timer.push_back(timespec());\
    00151                     clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &(tic_timer.back()));
    00152         #define TOC  tic_toc_diff       (tic_timer.back());\
    00153                      tic_timer.pop_back();
    00154         #define TOCN tic_toc_diff_num   (tic_timer.back());\
    00155                      tic_timer.pop_back();
    00156         #define TOCS tic_toc_diff_string(tic_timer.back());\
    00157                      tic_timer.pop_back();
    00158 #endif
    00159     #else
    00160
    00161         #include <sys/time.h>
    00162
    00163         namespace {
    00164
    00165         inline double tic_toc_diff_num(timeval const & tic)
    00166         {
    00167             timeval toc;
    00168             gettimeofday(&toc, NULL);
    00169             return  ((toc.tv_sec*1000.0 + toc.tv_usec/1000.0) -
    00170                         (tic.tv_sec*1000.0 + tic.tv_usec/1000.0));
    00171         }
    00172         inline std::string tic_toc_diff_string(timeval const & tic)
    00173         {
    00174             double diff = tic_toc_diff_num(tic);
    00175             std::stringstream s;
    00176             s << diff << " msec";
    00177             return s.str();
    00178         }
    00179         inline void tic_toc_diff(timeval const & tic)
    00180         {
    00181             std::cerr << tic_toc_diff_string(tic)<< std::endl;
    00182         }
    00183
    00184         } // unnamed namespace
    00185
    00186 #ifndef MULTI_TICTOC
    00187         #define USETICTOC timeval tic_timer;
    00188         #define TIC  gettimeofday       (&tic_timer, NULL);
    00189         #define TOC  tic_toc_diff       (tic_timer);
    00190         #define TOCN tic_toc_diff_num   (tic_timer);
    00191         #define TOCS tic_toc_diff_string(tic_timer);
    00192 #else
    00193
    00194         #define USETICTOC std::vector<timeval> tic_timer;
    00195         #define TIC tic_timer.push_back(timeval());\
    00196                     gettimeofday(&(tic_timer.back()), NULL);
    00197         #define TOC  tic_toc_diff       (tic_timer.back());\
    00198                      tic_timer.pop_back();
    00199         #define TOCN tic_toc_diff_num   (tic_timer.back());\
    00200                      tic_timer.pop_back();
    00201         #define TOCS tic_toc_diff_string(tic_timer.back());\
    00202                      tic_timer.pop_back();
    00203 #endif
    00204
    00205     #endif // VIGRA_HIRES_TIMING
    00206
    00207 #endif // WIN32
    00208
    00209
    00210
    00211
    00212 #else // NDEBUG
    00213
    00214 #define USETICTOC
    00215 #define TIC
    00216 #define TOC
    00217 #define TOCN
    00218 #define TICS
    00219 #endif // NDEBUG
    00220
    00221 #endif // VIGRA_TIMING_HXX

© Ullrich Köthe (ullrich.koethe@iwr.uni-heidelberg.de) Heidelberg Collaboratory for Image Processing, University of Heidelberg, Germany | html generated using doxygen and Python vigra 1.7.1 (3 Dec 2010)