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To: FreeBSD-users-jp@jp.FreeBSD.org
In-reply-to: Your message of Fri, 21 Jun 2002 17:02:11 JST.
             <20020621170211D.tomoaki@koke.nibb.ac.jp>
Date: Fri, 21 Jun 2002 19:03:21 +0900
From: Takashi SHIRAI <shirai@nintendo.co.jp>
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Subject: [FreeBSD-users-jp 69474] Re: [info] Updated FreeBSD QandA
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$B!!$7$i$$$G$9!#(B

$B!!3NN(E}7W$O6l<j$G$9!%!%!%!#(B

In Message-Id <20020621170211D.tomoaki@koke.nibb.ac.jp>
        Tomoaki NISHIYAMA <tomoaki@nibb.ac.jp>$B$5$s(Bwrites:
> $B!V%5%$%3%m$NL\$,$I$l$bF1$8?t$@$1=P$k!W$N$O%i%s%@%`$G$O(B
> $B$J$$$G$7$g$&!#(B
> 256$BLLBN$N%5%$%3%m$r(B256$B2s$U$C$?$i(B1-256$B$,(B1$B2s$:$D=P$k$N$O(B
> $B6vA3$G$O$[$H$s$I$"$jF@$J$$$3$H$G$7$g!#(B

$B!!$J$k$[$I!#%]%"%=%sJ,I[$OJl=8CD$,==J,$KBg$-$$>l9g@55,J,I[$K(B
$B6a$E$/H&$G$9$,!"5U$KJl=8CD$,>.$5$$>l9g$O$=$s$Je:No$JJ,I[$K$J(B
$B$C$F$7$^$C$F$O5Q$C$F$*$+$7$$Lu$G$9$M!#(B
$B!!Mp?t$N873J$J0lMM@-$OI,$:$7$bNI$$Mp?t$G$OL5$$$H!"$=$&$$$&0U(B
$BL#$G$NIJ<A$r8@$C$F$$$?Lu$G$9$+!#;d$O$=$N0UL#$N$J$$0lMM@-$NIt(B
$BJ,$@$1$K<h$j4:$($:CeL\$7$?Lu$G!"$=$NJU$j$N4QE@$,0[$J$kLu$G$9(B
$B$M!#(B

$B!!$=$&$$$&4QE@$+$i2~$a$FO@$8$k$J$i$P!"I8=`JP:9$HJl=8CD$H$NAj(B
$B4X4X78$K$D$$$F$bO@$8$k$Y$-$+$H;W$$$^$9!#(B
$B!!0J2<$K!"Jl=8CD$N?t$r(B 1 $BK|(B -> 10 $BK|(B -> 100 $BK|(B -> 1000 $BK|(B ->
1 $B2/$HA}$d$7$F$$$C$?>l9g$NI8=`JP:9$NCM$r5-$7$^$9!#>e$+$i=g$K!"(B
$B$=$l$>$l(B rand(), random(), lrand48(), arc4random(), urandom
$B$N7k2L$G$9!#:G2<CJ$O%]%"%=%sJ,I[$K$h$kM}O@CM$G$9!#(B

N = 10,000:
	  0.242061	    2.436680
	  6.128507	    0.389728
	  6.569639	    0.390237
	  6.026310	    0.391096
	  6.482850	    0.391174

	  6.250000	    0.390625

N = 100,000:
	  0.484123	   24.366351
	 18.746250	    1.232532
	 18.767908	    1.231988
	 19.193301	    1.231715
	 19.063422	    1.235154

	 19.764235	    1.235265

N = 1,000,000:
	  0.433013	  243.663323
	 65.627083	    3.896548
	 59.334131	    3.858839
	 62.385958	    3.929899
	 67.249071	    3.901421

	 62.500000	    3.906250

N = 10,000,000:
	  0.500000	 2436.633213
	196.388088	   12.301083
	163.170875	   10.386279
	186.131443	   12.434074
	198.756446	   12.389120

	197.642354	   12.352647

N = 100,000,000:
	  0.000000	24366.332127
	602.077004	   39.005789
	 51.209664	    9.651428
	590.226102	   39.016306
	N/A		N/A

	625.000000	   39.062500

$B!!(Brand(3) $B$OO@30$H$7$F!"(BN $B$,>.$5$$$&$A$O$I$NMp?t$b%]%"%=%sJ,(B
$BI[$K=>$C$F$$$k$3$H$,H=$k$H;W$$$^$9!#FC$KM-0U$J:90[$O8+Ev$?$j(B
$B$^$;$s!#(B
$B!!$H$3$m$,!"(BN $B$rBg$-$/$7$F$$$/$H(B lrand48(3) $B$@$1$,%]%"%=%sJ,(B
$BI[$N4|BTCM$h$j$b>.$5$JI8=`JP:9CM$r=P$7;O$a$kLu$G$9!#$3$N$3$H(B
$B$O(B 1 $B2/2s$N;n9T;~$K1w$$$F82Cx$KI=$l$F$$$k$H;W$$$^$9!#(B
$B!!(B1000 $BK|2s$NCM$rNc<($7$?$N$O!"$3$N:90[$,I=$l$J$$DxEY$NJl=8(B
$BCD$r<($7$?$N$G$O0UL#$,L5$$$H;W$C$?$+$i$G!"$=$N7k2L(B lrand48(3)
$B$@$1$,%]%"%=%sJ,I[$K=>$o$J$$7k2L$H$J$C$F$7$^$$$^$7$?$,!"$3$l(B
$B$OMp?t$H$7$F$NIJ<A$,0-$$$3$H$r<($7$F$$$k$s$G$7$g$&$+!)(B
$B!!(BN $B$,==J,Bg$-$1$l$PI8=`JP:9$O(B 0 $B$K6a$E$$$F$$$/Lu$G!"0lHLO@(B
$B$H$7$F$=$N!V==J,Bg$-$$!W$H$$$&ogCM$,$I$NJU$j$K$"$k$N$+;d$K$O(B
$BH=CG=PMh$J$$$N$G$9$,!"$3$N(B lrand48(3) $B$N7k2L$K1w$$$F$O!V(BN $B$,(B
$B==J,$KBg$-$$!W$H;d$O;W$C$?$N$G$9$,!#(B

$B!!$=$l$H$b!"$3$l$O(B lrand48(3) $B$N<~4|$,B>$HHf$Y$FC;$$$?$a$K!"(B
N $B$,Bg$-$/$J$k$H(B rand(3) $B$N$h$&$JIT<+A3$J0lMMJ,I[$r<($7$F$7(B
$B$^$C$?7k2L$J$s$G$7$g$&$+!)(B
$B!!$@$H$9$k$H!"(B256 $BLLBN%5%$%3%m$K1w$$$F!"$I$NL\$bKX$s$IF1$82s(B
$B?t$@$1=P$k$/$i$$$K!V==J,Bg$-$$!W;n9T2s?t$C$F$I$N$/$i$$$N$b$N(B
$B$K$J$k$s$G$7$g$&$+!)(B


> $B$?$@$7!"(Brandom()$B$O(Binitstate()$B$G(B8$B$+$i(B256bytes$B$N>uBV(Bbuffer$B$NBg$-$5$r(B
> $B;XDj$G$-$F(B256 bytes$B$K$9$l$P!"(B2^69$B$N<~4|$K$J$k$H=q$+$l$F$*$j$^$9!#(B
> $B$?$V$s%G%U%)%k%H$h$jCY$/$J$k$N$G$7$g$&!#(B

$B!!(Blrand48(3) $B$h$j5Q$C$FCY$/$J$C$F$7$^$$$^$7$?$M!#(B1 $BK|2s$+$i(B
10 $BG\$:$D;n9T2s?t$rA}$d$7$F$$$C$?7k2L$r:\$;$^$9$,!"AG$N>l9g(B
$B$HHf$Y$FM-0U$JIJ<A8~>e$OG'$a$i$l$J$$$s$8$c$J$$$G$7$g$&$+!#(B
	  6.211444	 0.391836
	 18.432309	 1.233399
	 59.807373	 3.903450
	208.920327	12.405144
	636.000540	39.043876


> $B6qBNNc$O$D$1$J$/$H$b!"%7%9%F%`30$N$b$N$r;H$&<j$,(B
> $B$"$k$3$H$r<(:6$7$F$*$/$/$i$$$O$7$?J}$,$$$$$H;W$$$^$9!#(B

$B!!5R4QE*$K$=$l$r<($9$3$H$O=PMh$^$9$+!):#$N$H$3$m(B MT $B$/$i$$$7(B
$B$+L>A0$,=P$F$-$F$$$J$$$N$G$9$,!"4:$($F$3$l0l$D$@$1<h$j>e$2$F(B
$B?d>)$9$kDx!"5R4QE*$K$bIJ<A$NNI$5$,G'$a$i$l$F$$$kMp?t$J$s$G$7(B
$B$g$&$+!)(B
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$B$N$G$7$?$i!"$=$NItJ,$N(B QandA $BJ8LL$OB>$NJ}$K$*G$$;$7$?$$$H;W(B
$B$$$^$9!#(B
$B!!@lLgE*$J$3$H$r8@$$;O$a$?$i$-$j$,$J$$$H;W$$$^$9$,!"(BQandA $B$N(B
$BJ8LL$H$7$F$O$"$NDxEY$,BEEv$J$s$8$c$J$$$+$H;d$OH=CG$7$^$7$?!#(B

                                               $B$7$i$$(B $B$?$+$7(B
