e955c94ed3
Listing the "Blender Foundation" as copyright holder implied the Blender Foundation holds copyright to files which may include work from many developers. While keeping copyright on headers makes sense for isolated libraries, Blender's own code may be refactored or moved between files in a way that makes the per file copyright holders less meaningful. Copyright references to the "Blender Foundation" have been replaced with "Blender Authors", with the exception of `./extern/` since these this contains libraries which are more isolated, any changed to license headers there can be handled on a case-by-case basis. Some directories in `./intern/` have also been excluded: - `./intern/cycles/` it's own `AUTHORS` file is planned. - `./intern/opensubdiv/`. An "AUTHORS" file has been added, using the chromium projects authors file as a template. Design task: #110784 Ref !110783.
116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
/* SPDX-FileCopyrightText: 2013 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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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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#pragma once
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#include "BLI_utildefines.h" /* for AT */
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#include "PIL_time.h" /* for PIL_check_seconds_timer */
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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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{ \
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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 \
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"): %.6f" \
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" " AT "\n", \
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TIMEIT_VALUE(var)); \
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fflush(stdout); \
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} \
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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 \
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"): %.6f" \
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" " AT "\n", \
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TIMEIT_VALUE(var)); \
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fflush(stdout); \
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} \
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(void)0
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/**
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* _AVERAGED variants do same thing as their basic counterpart,
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* but additionally add elapsed time to an averaged static value,
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* 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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{ \
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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 \
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"): %.6f" \
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" " AT "\n", \
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_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), \
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_sum_##var, \
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(int)_num_##var); \
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fflush(stdout); \
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} \
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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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} \
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(void)0
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#define TIMEIT_BLOCK_INIT(id) 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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{ \
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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() - _timeit_block_start_##id); \
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} \
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(void)0
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#define TIMEIT_BLOCK_VALUE(id) (float)(_timeit_var_##id)
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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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} \
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(void)0
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