File: speed3.c

package info (click to toggle)
grass 6.0.2-6
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k
  • size: 40,044 kB
  • ctags: 31,303
  • sloc: ansic: 321,125; tcl: 25,676; sh: 11,176; cpp: 10,098; makefile: 5,025; fortran: 1,846; yacc: 493; lex: 462; perl: 133; sed: 1
file content (71 lines) | stat: -rw-r--r-- 1,105 bytes parent folder | download | duplicates (2)
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
/*
**  Written by David Gerdes  US Army Construction Engineering Research Lab
**  	April 1992
**  Copyright 1992 USA-CERL   All rights reserved.
**
*/

/*
**  This is a simple performance comparison between linkm and malloc
**   I think it better simulates normal use of the library than
**   speed.c or speed2.c
*/
#include <stdio.h>
#include "linkm.h"

struct link {
    char let;
    struct link *next;
};

#define LINKM

int 
main (int argc, char *argv[])
{
    register int i, j;
    VOID_T *head;
    struct link List, *tmp, *p;



#ifdef LINKM
    head = (VOID_T *) link_init (sizeof (struct link));
#endif


    for (j = 0 ; j < 1000 ; j++)
    {
	tmp = &List;

	for (i = 0 ; i < 2000 ; i++)
	{
#ifdef LINKM
	    p = (struct link *) link_new (head);
#else
	    p = (struct link *) malloc (sizeof (struct link));
#endif
	    tmp->next = p;
	    tmp = p;
	    tmp->next = NULL;
	}

	for (p = List.next ; p != NULL  ; )
	{
	    tmp = p->next;
#ifdef LINKM
	    link_dispose (head, p);
#else
	    free (p);
#endif
	    p = tmp;
	}
    }


#ifdef LINKM
    link_cleanup (head);
#endif

    exit (0);
}