summaryrefslogtreecommitdiffstats
path: root/tests/timer.h
blob: d3f08228e8c28e96e55985d8e19187fc9b259fef (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
/* 
 *  libpinyin
 *  Library to deal with pinyin.
 *  
 *  Copyright (C) 2011 Peng Wu <alexepico@gmail.com>
 *  
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#ifndef TIMER_H
#define TIMER_H

#include <sys/time.h>
#include <stdio.h>
#include <glib.h>


static guint32 record_time ()
{
    timeval tv;
    gettimeofday (&tv, NULL);
    return (guint32) tv.tv_sec * 1000000 + tv.tv_usec;
}

static void print_time (guint32 old_time, guint32 times)
{
    timeval tv;
    gettimeofday (&tv, NULL);

    guint32 wasted = (guint32) tv.tv_sec * 1000000 + tv.tv_usec - old_time;

    printf("Spent %d us for %d operations, %f us/op, %f times/s.\n\n" , wasted , times , ((double) wasted)/times , times * 1000000.0/wasted );
}


#endif