1 /*
2 PARTIO SOFTWARE
3 Copyright 2010 Disney Enterprises, Inc. All rights reserved
4 
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are
7 met:
8 
9 * Redistributions of source code must retain the above copyright
10 notice, this list of conditions and the following disclaimer.
11 
12 * Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in
14 the documentation and/or other materials provided with the
15 distribution.
16 
17 * The names "Disney", "Walt Disney Pictures", "Walt Disney Animation
18 Studios" or the names of its contributors may NOT be used to
19 endorse or promote products derived from this software without
20 specific prior written permission from Walt Disney Pictures.
21 
22 Disclaimer: THIS SOFTWARE IS PROVIDED BY WALT DISNEY PICTURES AND
23 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
24 BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
25 FOR A PARTICULAR PURPOSE, NONINFRINGEMENT AND TITLE ARE DISCLAIMED.
26 IN NO EVENT SHALL WALT DISNEY PICTURES, THE COPYRIGHT HOLDER OR
27 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
28 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
29 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND BASED ON ANY
31 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
34 */
35 
36 #ifndef _timer_h_
37 #define _timer_h_
38 
39 #ifndef PARTIO_WIN32
40 
41 #include <sys/time.h>
42 #include <iostream>
43 
44 struct Timer
45 {
46     const char* name;
47     struct timeval start;
48     bool running;
49 
TimerTimer50     Timer(const char* name)
51         :name(name)
52     {
53         gettimeofday(&start,0);
54         running=true;
55     }
56 
Stop_TimeTimer57     double Stop_Time()
58     {
59         struct timeval end;
60         gettimeofday(&end,0);
61         double seconds=(double)1e-6*(double)((end.tv_sec * 1000000 + end.tv_usec)
62             - (start.tv_sec * 1000000 + start.tv_usec));
63         std::cerr<<"Time for '"<<name<<"' was "<<seconds<<" s"<<std::endl;
64         running=false;
65         return seconds;
66     }
67 
~TimerTimer68     ~Timer()
69     {
70         if(running) Stop_Time();
71     }
72 
73 };
74 
75 #else
76 
77 #include <windows.h>
78 #include <string>
79 
80 struct Timer
81 {
82     const char* name;
83     bool running;
84 
85     __int64 start;
86     __int64 counts_per_sec;
87 
TimerTimer88     Timer(const char* name)
89         :name(name)
90     {
91         QueryPerformanceFrequency((LARGE_INTEGER*)&counts_per_sec);
92         QueryPerformanceCounter((LARGE_INTEGER*)&start);
93         running=true;
94     }
95 
Stop_TimeTimer96     double Stop_Time()
97     {
98         __int64 end;
99         QueryPerformanceCounter((LARGE_INTEGER*)&end);
100         double seconds=float(end-start)/float(counts_per_sec);
101         std::cerr<<"Time for '"<<name<<"' was "<<seconds<<" s"<<std::endl;
102         running=false;
103         return seconds;
104     }
105 
~TimerTimer106     ~Timer()
107     {
108         if(running) Stop_Time();
109     }
110 
111 };
112 
113 
114 #endif
115 
116 #endif
117