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# global_bencher.hh

    00001 // global_bencher.hh: this file is part of the Vaucanson project.
    00002 //
    00003 // Vaucanson, a generic library for finite state machines.
    00004 //
    00005 // Copyright (C) 2007 The Vaucanson Group.
    00006 //
    00007 // This program is free software; you can redistribute it and/or
    00008 // modify it under the terms of the GNU General Public License
    00009 // as published by the Free Software Foundation; either version 2
    00010 // of the License, or (at your option) any later version.
    00011 //
    00012 // The complete GNU General Public Licence Notice can be found as the
    00013 // `COPYING' file in the root directory.
    00014 //
    00015 // The Vaucanson Group consists of people listed in the `AUTHORS' file.
    00016
    00017 #ifndef VCSN_MISC_GLOBAL_BENCHER_HH
    00018 # define VCSN_MISC_GLOBAL_BENCHER_HH
    00019
    00020 /*-------------------.
    00021 | Use of a Bencher.  |
    00022 `-------------------*/
    00023
    00024 # ifdef GLOBAL_BENCHER
    00025
    00026 #  include <cbs/bench/bench.hh>
    00027 #  include <cbs/bench/bench_internals.hh>
    00028
    00029 #  ifdef VAUCANSON
    00030 #   include <vaucanson/misc/bencher.hh>
    00031 #  else
    00032 #   include "bencher.hh"
    00033 #  endif
    00034
    00035 #  define BENCHER_DO(Iterations)                                        \
    00036   for (unsigned i_ = 1; i_ <= (Iterations);                             \
    00037        ++i_, GLOBAL_BENCHER.push(bench::current_timer()), bench::restart())
    00038
    00039 # define BENCHER_PRINT(Stream)                          \
    00040   Stream << GLOBAL_BENCHER << std::endl
    00041
    00042 # define BENCHER_PLOT(Stream)                           \
    00043   GLOBAL_BENCHER.plot (Stream)
    00044
    00045 # define BENCHER_SAVE_PLOT(Filename)                                    \
    00046   do {                                                                  \
    00047     std::ofstream o (Filename,                                          \
    00048                      std::ofstream::out | std::ofstream::trunc);        \
    00049     BENCHER_PLOT(o);                                                    \
    00050     o.close();                                                          \
    00051   } while (0)
    00052
    00053 # else
    00054
    00055 # define BENCHER_DO(Iterations)         ((void) 0)
    00056 # define BENCHER_PRINT(Stream)          ((void) 0)
    00057 # define BENCHER_PLOT(Stream)           ((void) 0)
    00058 # define BENCHER_SAVE_PLOT(Filename)    ((void) 0)
    00059
    00060 # endif
    00061
    00062
    00063 #endif // ! VCSN_MISC_GLOBAL_BENCHER_HH