Campbell Barton
de13d0a80c
While \file doesn't need an argument, it can't have another doxy command after it.
113 lines
5.1 KiB
C++
113 lines
5.1 KiB
C++
/*
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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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*
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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 Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2013 Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup bli
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* \brief Utility defines for timing/benchmarks.
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*/
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#ifndef __PIL_TIME_UTILDEFINES_H__
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#define __PIL_TIME_UTILDEFINES_H__
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#include "PIL_time.h" /* for PIL_check_seconds_timer */
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#include "BLI_utildefines.h" /* for AT */
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#define TIMEIT_START(var) \
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{ \
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double _timeit_##var = PIL_check_seconds_timer(); \
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printf("time start (" #var "): " AT "\n"); \
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fflush(stdout); \
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{ (void)0
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/**
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* \return the time since TIMEIT_START was called.
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*/
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#define TIMEIT_VALUE(var) (float)(PIL_check_seconds_timer() - _timeit_##var)
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#define TIMEIT_VALUE_PRINT(var) \
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{ \
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printf("time update (" #var "): %.6f" " " AT "\n", TIMEIT_VALUE(var));\
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fflush(stdout); \
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} (void)0
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#define TIMEIT_END(var) \
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} \
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printf("time end (" #var "): %.6f" " " AT "\n", TIMEIT_VALUE(var));\
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fflush(stdout); \
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} (void)0
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/**
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* _AVERAGED variants do same thing as their basic counterpart, but additionally add elapsed time to an averaged
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* static value, useful to get sensible timing of code running fast and often.
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*/
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#define TIMEIT_START_AVERAGED(var) \
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{ \
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static float _sum_##var = 0.0f; \
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static float _num_##var = 0.0f; \
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double _timeit_##var = PIL_check_seconds_timer(); \
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printf("time start (" #var "): " AT "\n"); \
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fflush(stdout); \
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{ (void)0
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#define TIMEIT_AVERAGED_VALUE(var) (_num##var ? (_sum_##var / _num_##var) : 0.0f)
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#define TIMEIT_END_AVERAGED(var) \
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} \
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const float _delta_##var = TIMEIT_VALUE(var); \
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_sum_##var += _delta_##var; \
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_num_##var++; \
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printf("time end (" #var "): %.6f" " " AT "\n", _delta_##var); \
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printf("time averaged (" #var "): %.6f (total: %.6f, in %d runs)\n", \
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(_sum_##var / _num_##var), _sum_##var, (int)_num_##var); \
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fflush(stdout); \
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} (void)0
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/**
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* Given some function/expression:
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* TIMEIT_BENCH(some_function(), some_unique_description);
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*/
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#define TIMEIT_BENCH(expr, id) \
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{ \
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TIMEIT_START(id); \
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(expr); \
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TIMEIT_END(id); \
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} (void)0
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#define TIMEIT_BLOCK_INIT(id) \
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double _timeit_var_##id = 0
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#define TIMEIT_BLOCK_START(id) \
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{ \
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double _timeit_block_start_##id = PIL_check_seconds_timer(); \
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{ (void)0
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#define TIMEIT_BLOCK_END(id) \
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} \
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_timeit_var_##id += (PIL_check_seconds_timer() - \
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_timeit_block_start_##id); \
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} (void)0
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#define TIMEIT_BLOCK_STATS(id) \
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{ \
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printf("%s time (in seconds): %f\n", #id, _timeit_var_##id); \
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fflush(stdout); \
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} (void)0
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#endif /* __PIL_TIME_UTILDEFINES_H__ */
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