Blender  V2.93
PIL_time_utildefines.h
Go to the documentation of this file.
1 /*
2  * This program is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU General Public License
4  * as published by the Free Software Foundation; either version 2
5  * of the License, or (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software Foundation,
14  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15  *
16  * The Original Code is Copyright (C) 2013 Blender Foundation.
17  * All rights reserved.
18  */
19 
25 #pragma once
26 
27 #include "BLI_utildefines.h" /* for AT */
28 #include "PIL_time.h" /* for PIL_check_seconds_timer */
29 
30 #define TIMEIT_START(var) \
31  { \
32  double _timeit_##var = PIL_check_seconds_timer(); \
33  printf("time start (" #var "): " AT "\n"); \
34  fflush(stdout); \
35  { \
36  (void)0
37 
41 #define TIMEIT_VALUE(var) (float)(PIL_check_seconds_timer() - _timeit_##var)
42 
43 #define TIMEIT_VALUE_PRINT(var) \
44  { \
45  printf("time update (" #var \
46  "): %.6f" \
47  " " AT "\n", \
48  TIMEIT_VALUE(var)); \
49  fflush(stdout); \
50  } \
51  (void)0
52 
53 #define TIMEIT_END(var) \
54  } \
55  printf("time end (" #var \
56  "): %.6f" \
57  " " AT "\n", \
58  TIMEIT_VALUE(var)); \
59  fflush(stdout); \
60  } \
61  (void)0
62 
68 #define TIMEIT_START_AVERAGED(var) \
69  { \
70  static float _sum_##var = 0.0f; \
71  static float _num_##var = 0.0f; \
72  double _timeit_##var = PIL_check_seconds_timer(); \
73  printf("time start (" #var "): " AT "\n"); \
74  fflush(stdout); \
75  { \
76  (void)0
77 
78 #define TIMEIT_AVERAGED_VALUE(var) (_num##var ? (_sum_##var / _num_##var) : 0.0f)
79 
80 #define TIMEIT_END_AVERAGED(var) \
81  } \
82  const float _delta_##var = TIMEIT_VALUE(var); \
83  _sum_##var += _delta_##var; \
84  _num_##var++; \
85  printf("time end (" #var \
86  "): %.6f" \
87  " " AT "\n", \
88  _delta_##var); \
89  printf("time averaged (" #var "): %.6f (total: %.6f, in %d runs)\n", \
90  (_sum_##var / _num_##var), \
91  _sum_##var, \
92  (int)_num_##var); \
93  fflush(stdout); \
94  } \
95  (void)0
96 
101 #define TIMEIT_BENCH(expr, id) \
102  { \
103  TIMEIT_START(id); \
104  (expr); \
105  TIMEIT_END(id); \
106  } \
107  (void)0
108 
109 #define TIMEIT_BLOCK_INIT(id) double _timeit_var_##id = 0
110 
111 #define TIMEIT_BLOCK_START(id) \
112  { \
113  double _timeit_block_start_##id = PIL_check_seconds_timer(); \
114  { \
115  (void)0
116 
117 #define TIMEIT_BLOCK_END(id) \
118  } \
119  _timeit_var_##id += (PIL_check_seconds_timer() - _timeit_block_start_##id); \
120  } \
121  (void)0
122 
123 #define TIMEIT_BLOCK_STATS(id) \
124  { \
125  printf("%s time (in seconds): %f\n", #id, _timeit_var_##id); \
126  fflush(stdout); \
127  } \
128  (void)0
Platform independent time functions.