blob: a6bd0e91a2ed6bbb88fd4585ce38864c316b35c5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#ifndef moses_Time_H
#define moses_Time_H
#include <ctime>
#include <iostream>
#include <iomanip>
#include "Util.h"
namespace Moses
{
/** Wrapper around time_t to time how long things have been running
* according to walltime. We avoid CPU time since it is less reliable
* in a multi-threaded environment and can spuriously include clock cycles
* used by other threads in the same process.
*/
class Timer
{
friend std::ostream& operator<<(std::ostream& os, Timer& t);
private:
bool running;
// note: this only has the resolution of seconds, we'd often like better resolution
// we make our best effort to do this on a system-by-system basis
time_t start_time;
// in seconds
double elapsed_time();
public:
/***
* 'running' is initially false. A timer needs to be explicitly started
* using 'start' or 'restart'
*/
Timer() : running(false) {
start_time = 0;
}
void start(const char* msg = 0);
// void restart(const char* msg = 0);
// void stop(const char* msg = 0);
void check(const char* msg = 0);
double get_elapsed_time();
};
}
#endif
|