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Date: Sat, 17 Jun 2000 03:57:21 -0400
To: FreeBSD-users-jp@jp.freebsd.org
From: Yoshihiro Ota <hiro@mail.advok.com>
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Subject: [FreeBSD-users-jp 52676] Re: =?ISO-2022-JP?B?GyRCJS8lbRsoQg==?=
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$BB@ED$G$9!#(J

At 3:55 PM +0900 6/17/00, yamasaki@arch.ce.hiroshima-cu.ac.jp wrote:
> $B;3:j(J@$B9-Eg;TN)Bg3X$G$9!#(J
>
> ush> $B$"$k%W%m%;%9$,>CHq$7$?%/%m%C%/?t$r87L)$K7W$kJ}K!$O$J$$$N$G$O(J
> ush> $B$J$$$+$H;W$$$^$9!%(J
>
> $B$=$&$J$N$G$9$+!"$I$&$b$"$j$,$H$&$4$6$$$^$7$?!#(J
> $B;~4V$8$c$J$/$F$I$&$7$F$b%/%m%C%/?t$rB,$j$?$+$C$?$N$G$9$,(J
> $B$"$-$i$a$^$9!#(J

$B2<$N%3!<%I$G<B9T;~4V$r7W$C$?$3$H$,$"$k$N$G$9$,!"(J CLOCKS_PER_SEC
$B$G3d$k$N$G(J elapsed_time $B$O%/%m%C%/?t$K$"$?$k$H;W$$$^$9!#(J

CLOCKS_PER_SEC $B$O$I$3$+$K(J #define $B$5$l$F$$$?$O$:$G$9!#(J
$B$?$@!"F1$85!3#$r;H$C$F$b(J OS $B$,0c$&$H$3$N?t;z$b0c$C$?$N$,(J
$B>/$75$$K$+$+$k$N$G$9$,!D(J

$BF1$85!3#$G$b(J OS $B$K$h$C$F0lIC4V$N%/%m%C%/?t$,JQ$C$?$j$9$k$N$+$J!D(J

#include <time.h>
#include <stdio.h>
static clock_t start_time;
static clock_t elapsed_time;
/*/
#define CLOCKS_PER_SEC 1000000
/*/

main()
{
  long j ;
  long k ;
  int m ;

  start_time = clock() ;
  for (m = 1 ; m <= 10 ; ++m)
    {
      k = 0 ;
      for (j = 1 ; j <= 1000000 ; ++j) k += j ;
      printf("%ld\n",k);
    }
  elapsed_time = clock() - start_time;
  printf("%ld\n",start_time);
  printf("%ld\n",elapsed_time);
  printf("CPS = %ld\n",CLOCKS_PER_SEC);
  printf("e CPU t = %-5.3f\n",(double) elapsed_time/ (double) CLOCKS_PER_SEC);
}


