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><H1
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><A
NAME="FAQ"
>2. BogoMips $B$K$D$$$F$N$h$/$"$k<ALd(B</A
></H1
><P
>BogoMips $B$K$D$$$F2??M$+$NJ}$,$o$?$7$K>\$7$$>pJs$rDs6!$7$F$/$l$^$7$?!#(B
$B$3$3$GH`$i$K?<$/46<U$7$?$$$H;W$$$^$9!#(B</P
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN82"
>2.1. BogoMips $B$H$O(B</A
></H2
><P
>$BC/$,8@$$=P$7$?$N$+$OJ,$+$j$^$;$s$,!"(BEric S Raymond <esr@thyrsus.com> $B$H(B
Geoff Mackenzie <freon@dialstart.net> $B$+$i65$C$?!"%$%s%?!<%M%C%H(B
$B>e$G$h$/;H$o$l$k(B BogoMips $B$NFCD'$rB*$($?Dj5A$K<!$K$h$&$J$b$N$,$"$j$^$9!#(B
$B!V%W%m%;%C%5$,0lIC4V$K2?I4K|2sL51W$J=hM}$r$G$-$k$+$r7WB,$7$??tCM!W(B</P
><P
>1993$BG/(B9$B7n(B9$BF|$N(B Lars Wirzenius <wirzenius@kruuna.Helsinki.FI> $B$+$i$N(B
$B%a!<%k$K(B Alessandro Rubini <rubini@norgana.systemy.it> $B$H(B
Wim van Dorst $B$K$h$kJdB-$r2C$($F!"(BBogoMips $B$r$h$j@53N$KDj5A$9$k$H!"0J2<$N(B
$B$h$&$K$J$j$^$9!#(B</P
><P
><BLOCKQUOTE
CLASS="BLOCKQUOTE"
><P
>MIPS $B$H$O!"(BMillions of Instructions Per Second $B$NN,$G$"$j!"%W%m%0%i%`$N(B
$B7W;;B.EY$rB,$k4p=`CM$G$9!#$3$&$7$?4p=`CM$K$"$j$,$A$J$3$H$G$9$,!"E,@Z$K(B
$BMxMQ$5$l$k$H$$$&$h$j!"$`$7$m4V0c$C$?;H$$J}$r$5$l$k798~$K$"$j$^$9(B
($B0[$J$k<oN`$N%3%s%T%e!<%?4V$G(B MIPS $BCM$r8x@5$KHf3S$9$k$3$H$OHs>o$K(B
$B:$Fq$G$9(B)$B!#(B</P
><P
>BogoMips $B$O!"(BLinus $B$,H/L@$7$?$b$N$G$9!#%+!<%M%k(B($B$b$7$+$9$k$H:G=i$O%G%P%$%9(B
$B%I%i%$%PMQ$@$C$?$+$b(B?)$B$K$O!"%^%7%s$N%W%m%;%C%5B.EY$r7WB,$9$k$?$a$N%?%$%_%s%0(B
$B%k!<%W$,I,MW$G$9!#(B
$B$3$N%k!<%W$OC;$$4V3V$r@53N$K7WB,$G$-$J$1$l$P$J$i$J$$$N$G!"BT$A>uBV(B
$B$G$N6u%k!<%W$O;($9$.$F;H$($^$;$s!#$=$3$G!"%+!<%M%k$O5/F0;~$K%3%s%T%e!<%?>e$G(B
$B0l<o$N%S%8!<%k!<%W$r<B9T$7!"$=$NB.EY$rB,$j$^$9!#(B"Bogo" $B$O(B "bogus
($B56!"$$$s$A$-(B)" $B$KM3Mh$9$k$b$N$G!"!V56J*!W$r0UL#$7$^$9!#$=$l$f$(!"(BBogoMips
$B$O!"%W%m%;%C%5B.EY$K4X$9$k$"$k<o$N<\EY$K$O$J$j$^$9$,!"$"$^$j$K$b!VHs2J3XE*!W$J(B
$BJ}K!$G$7$+7WB,$7$F$$$J$$$N$G!"(BBogoMips $B$H8F$P$l$F$$$k$o$1$G$9!#(B</P
><P
>$B5/F0;~$K(B BogoMips $BCM$,I=<($5$l$kM}M3(B( 2 $B$D$"$j$^$9(B)$B$O!"(Ba)
$B%3%s%T%e!<%?$N%-%c%C%7%e$d%?!<%\%9%$%C%A$,F/$$$F$$$k$+$I$&$+(B
$B%G%P%C%0$7$?$j%A%'%C%/$7$?$j$9$k:]$KB?>/$H$bLr$KN)$D$3$H!"$*$h$S(B
b) Linus $B<+?H!"%M%C%H%K%e!<%9>e$GB>?M$,8MOG$C$F$$$k$N$r(B
$B8+$FLLGr$,$kJJ$,$"$k$+$i!"$G$9!#(B</P
></BLOCKQUOTE
></P
><P
>BogoMips $B$O!"(B<TT
CLASS="FILENAME"
>/usr/src/linux/init/main.c</TT
> $B$N%7%s%W%k$J(B C
$B%"%k%4%j%:%`$GB,Dj$5$l$F$$$^$9!#$=$7$F!"$=$NCM$O%+!<%M%kJQ?t(B
<TT
CLASS="ENVAR"
>loop_per_sec</TT
> $B$KJ];}$5$l$F!"@53N$J%?%$%_%s%0(B
$B$N7WB,$rI,MW$H$9$kMM!9$J%I%i%$%P$K$h$C$FMxMQ$5$l$^$9!#<B:]$N(B delay $B4X?t(B
<TT
CLASS="FUNCTION"
>udelay()</TT
> $B$O!"%"%;%s%V%i$G5-=R$5$l$F$$$k$N$G!"(B
$B8D!9$N%"!<%-%F%/%A%c$4$H$NDj5A%U%!%$%k$,(B <TT
CLASS="FILENAME"
>/include/asm/delay.h</TT
> $B$KCV$+$l$F$$$^$9!#$3$N(B <TT
CLASS="ENVAR"
>loops_per_sec</TT
>
$BJQ?t$H(B <TT
CLASS="FUNCTION"
>udelay</TT
> $B4X?t$O$+$J$j$N?t$N%I%i%$%P$GMxMQ$5$l$F(B
$B$$$F!"0J2<$N$h$&$J%3%^%s%I$r;H$&$H!"$=$l$r3NG'$G$-$^$9!#(B</P
><P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="PROGRAMLISTING"
>cd /usr/src/linux #linux $B$N%=!<%9%U%!%$%k$,$"$k>l=j$K0\F0$7$^$9!#(B
find . -name '*.[hcS]' -exec fgrep loops_per_sec {} /dev/null \;
find . -name '*.[hcS]' -exec fgrep udelay {} /dev/null \;</PRE
></FONT
></TD
></TR
></TABLE
></P
><P
>BogoMips $B$N7WB,%k!<%W$O%"%;%s%V%i8@8l$G5-=R$5$l$F$$$k$N$G!"(BIntel CPU $B0J30$N(B
$B>l9g!"7WB,%k!<%W$ON`;w$7$F$O$$$^$9$,!"F10l$G$O$"$j$^$;$s!#$?$@!"(B(Intel $B@=(B
$B$b$7$/$O(B Intel $B0J30$N(B)$BMM!9$J(B CPU $B$K$*$$$F!"$=$N$*$*$^$+$JB.EY$rI=<($9$kJ}K!(B
$B$H$7$F!"(BBogoMips $B$OM#0l$NHFMQE*$J<jCJ$H$J$C$F$$$^$9!#(BCPU $B$N%/%m%C%/(B
$B%9%T!<%I$H$$$&4pK\E*>pJs$9$iITL@$@$H$$$&>l9g$,$"$k$+$i$G$9!#(B</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN101"
>2.2. CPU $B$N<oN`$K1~$8$?(B BogoMips $BCM$NL\0B(B</A
></H2
><P
>$B0J2<$NI=$O!"(BIan Jackson <ijackson@nyx.cs.du.edu> $B$H(B Przemek Klosowski
$B$K$h$j:n@.$5$l!"(BWim van Dorst $B$,8=:_$N>uBV$K99?7!&3HD%$7$?$b$N$G$9!#(B</P
><P
>$BHs>o$K$*$*$^$+$G$O$"$j$^$9$,!"%7%9%F%`JL$N(B BogoMips $B$N7WB,CM$O$@$$$?$$0J2<$N(B
$B$h$&$K$J$j$^$9!#(B</P
><P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>$B%7%9%F%`(B BogoMips $BCM(B $BHf3S(B
Intel 8088 clock * 0.004 0.02
Intel/AMD 386SX clock * 0.14 0.8
Intel/AMD 386DX clock * 0.18 1 ($B4p=`CM(B)
Motorola 68030 clock * 0.25 1.4
Cyrix/IBM 486 clock * 0.34 1.8
Intel Pentium clock * 0.40 2.2
Intel 486 clock * 0.50 2.8
AMD 5x86 clock * 0.50 2.8
Mips R4000/R4400 clock * 0.50 2.8
Nexgen Nx586 clock * 0.75 4.2
PowerPC 601 clock * 0.84 4.7
Alpha 21064/21064A clock * 0.99 5.5
Alpha 21066/21066A clock * 0.99 5.5
Alpha 21164/21164A clock * 0.99 5.5
Intel Pentium Pro clock * 0.99 5.5
Cyrix 5x86/6x86 clock * 1.00 5.6
Intel Pentium II/III clock * 1.00 5.6
AMD K7/Athlon clock * 1.00 5.6
Intel Celeron clock * 1.00 5.6
Mips R4600 clock * 1.00 5.6
Alpha 21264 clock * 1.99 11.1
AMD K5/K6/K6-2/K6-III clock * 2.00 11.1
AMD Duron clock * 2.00 11.1
UltraSparc II clock * 2.00 11.1
Pentium MMX clock * 2.00 11.1
PowerPC 604/604e/750 clock * 2.00 11.1
Motorola 68060 clock * 2.01 11.2
Motorola 68040 ($B:#$N$H$3$m(B)$B%G!<%?ITB-(B
IBM S390 ($B:#$N$H$3$m(B)$B%G!<%?ITB-(B</PRE
></FONT
></TD
></TR
></TABLE
></P
><P
>BogoMips $B$N7WB,%k!<%W$O!"(BIntel Pentium $B$d(B Alpha 21164 $B$H$$$C$?3F<o%W%m%;%C%5(B
$B$GJBNs=hM}$7$?>l9g!"$^$@40A4$K$=$NJBNs2=$NMxE@$r@8$+$7@Z$l$J$$$N$GCm0U$7$F(B
$B$/$@$5$$!#(B</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN108"
>2.3. $B8=:_$N(B BogoMips $BCM$N3NG'J}K!(B</A
></H2
><P
>$B8=:_$N%^%7%s$N(B BogoMips $BCM$r3NG'$9$kJ}K!$O(B 3 $B<oN`$"$j$^$9!#$9$J$o$A!"(B</P
><P
> <P
></P
><OL
TYPE="1"
><LI
><P
><TT
CLASS="FILENAME"
>/proc/cpuinfo</TT
> $B$r8+$kJ}K!!#Nc$($P!"(B'<B
CLASS="COMMAND"
>cat /proc/cpuinfo</B
>' $B$H$7$^$9!#$3$l$,0lHV$*$9$9$a$NJ}K!$G$"$j!"(B
$BB>$O$=$NBeBX<jCJ$G$9!#(B</P
></LI
><LI
><P
>syslog $B$N=PNO$r8+$F!"5/F0;~$KI=<($5$l$F$$$?%a%C%;!<%8$r3NG'$9$kJ}K!(B
($BI,MW$K1~$8$F!"(B<B
CLASS="COMMAND"
>dmesg</B
> $B$d(B <B
CLASS="COMMAND"
>syslogk</B
> $B$r(B
$B;H$C$F!">pJs$r0z$-=P$7$F$/$@$5$$(B)$B!#$3$NJ}K!$r;H$&$H@53N$J>pJs$,F@$i$l$^$9$,!"(B
$B$A$g$C$HF~NO$,LLE]$G$O$"$j$^$9!#(B</P
></LI
><LI
><P
>bogomips $B%W%m%0%i%`$rC1FH$G;H$&J}K!!#$3$NJ}K!$O!"$*;H$$$N%7%9%F%`$,(B Linux
$B$G$J$$>l9g$7$+$*$9$9$a$G$-$^$;$s!#M}M3$O0J2<$G@bL@$7$^$9!#(B</P
></LI
></OL
> </P
><P
>$BI,$:$7$b:GNI$NJ}K!$H$O8@$($^$;$s$,!"(BCray $B$J$I$N(B Linux $B0J30$N%7%9%F%`$K$b(B
$BE,MQ$G$-$k$N$,!"$3$N(B bogomips $B%W%m%0%i%`$rC1FH$G;H$&J}K!$G$9!#(B
Jeff Tranter <jeff_tranter@mitel.com> $B$K$h$k(B README $B%U%!%$%k(B
$B$K$O<!$N$h$&$K=q$+$l$F$$$^$9!#(B</P
><P
><BLOCKQUOTE
CLASS="BLOCKQUOTE"
><P
>$B$o$6$o$6%7%9%F%`$N:F5/F0$r$7$J$/$H$b!":#F|$I$NDxEY$N(B BogoMips $BCM$r=P$7$F(B
$B$$$k$N$+3NG'$G$-$J$$$@$m$&$+$H;W$C$?$3$H$O$J$$$G$7$g$&$+!)(B [...]
"bogomips" $B$O!"@$3&E*$KG'CN$5$l$?%Y%s%A%^!<%/CM$N$R$H$D$r;H$C$F!"(B
$B%7%9%F%`$N%Q%U%)!<%^%s%9$rI=<($9$k%9%?%s%I%"%m!<%s$N%W%m%0%i%`$G$9!#(B
$B$3$l$O!"5/F0;~$K(B Linux $B$G;HMQ$5$l$k$b$N$HF1$8%3!<%I$r;H$C$F$$$^$9$,!"(B
$B%f!<%6%W%m%0%i%`$H$7$F<B9T$9$k$3$H$,$G$-$^$9!#(B[...] BogoMips $B%P!<%8%g%s(B
1.3 $B$O8=:_MM!9$J%"!<%-%F%/%A%c$KBP1~$7$F$*$j!"(BANSI C $B%3%s%Q%$%i$H%i%$%V%i%j(B
$B$r%5%]!<%H$7$F$$$k$I$N$h$&$J%7%9%F%`>e$G$bF0$/$h$&$K$J$C$F$$$^$9!#(B</P
></BLOCKQUOTE
></P
><P
>$B$?$@!"%9%?%s%I%"%m!<%s%W%m%0%i%`$,7WB,$7$?CM$O!"%7%9%F%`Ii2Y$N4X78$G!"(B
$B8e$[$I7G:\$9$k%j%9%H$KEPO?$5$l$F$$$kCM$h$j$bDc$a$K$J$k$3$H$KCm0U$7$F$/$@$5$$!#(B
$B$b$H$b$H!"%9%?%s%I%"%m!<%s%W%m%0%i%`$,%V!<%H%7!<%1%s%9$N(B BogoMips $BCM$H(B
$B87L)$KF1$8CM$rI=<($9$k$H$$$&$N$OL5M}$J$N$G$9!#0lHL%f!<%6$N8"8B$GF0$/$3$N(B
$B%W%m%0%i%`$O!"%7%9%F%`Ii2Y$N1F6A$rD>@\<u$1$k$+$i$G$9!#$=$l$f$(!"8e$[$I(B
$B7G:\$9$k%j%9%H$G$O!"%V!<%H%7!<%1%s%9$N(B BogoMips $BCM$N$_$r5-:\$7$F$$$^$9!#(B</P
><P
><A
HREF="ftp://sunsite.unc.edu:/pub/Linux/system/status/bogo-1.2.tar.gz"
TARGET="_top"
>sunsite.unc.edu:/pub/Linux/system/status/bogo-1.2.tar.gz</A
> $B$H$$$&(B
$B%U%!%$%k$K$O:G?7HG$N%P!<%8%g%s(B 1.3 ($B%^%^(B) $B$,4^$^$l$F$$$^$9$,!"$3$l$O(B
$B$b$&4{$K$d$dFbMF$,8E$/$J$C$F$$$^$9!#$H$O$$$(!"%7%9%F%`$rA*$P$J$$%W%m%0%i%`(B
$B$J$N$G!"(BC $B%3%s%Q%$%i$,;H$($k$[$H$s$I$9$Y$F$N%7%9%F%`>e$G%3%s%Q%$%k$7$F(B
$B<B9T$9$k$3$H$,$G$-$^$9!#(B</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN130"
>2.4. BogoMips $BCM$N$f$l(B</A
></H2
><P
>Linus Torvalds <torvalds@cc.helsinki.fi> $B$O!"%f!<%6$,L\$K$9$k(B BogoMips
$BCM$N$f$l$K$D$$$F!"%K%e!<%9%0%k!<%W(B comp.os.linux.development $B$G<!$N$h$&$K(B
$B@bL@$7$F$$$^$9!#(B</P
><P
><BLOCKQUOTE
CLASS="BLOCKQUOTE"
><P
>BogoMips $B7WB,%k!<%W$O!VNL;R2=!W$5$l$F$$$k$N$G!"Kh2s$[$\3N<B(B
$B$KF1$8CM$rI=<($7$^$9!#$?$@!"0c$&7WB,CM$,I=<($5$l$?$j$9$k$N$O!"(B($B$=$N;~$N3d$j9~$_(B
$B?.9f$N0c$$$J$I$G!"(B)$BC<?tItJ,$,7+$j>e$,$C$?$j@Z$j<N$F$i$l$?$j$9$k$3$H$,(B
$B$"$k$+$i$G$9!#(B</P
></BLOCKQUOTE
></P
><P
>$B%^%7%s$N(B CPU $B$K9g$o$;$F%+!<%M%k$,%3%s%Q%$%k$5$l$F$$$J$$>l9g!"<g$K:GE,2=$,(B
$B>e<j$/$$$+$:$K!"$=$&$7$?(B BogoMips $BCM$N$f$l$,(B($B>e5-$N>l9g$h$j$b82Cx$K(B)$B@8$8$k(B
$B$3$H$,$"$j$^$9!#$3$NLdBj$O!"<o!9$N(B x86 CPU (Intel $B@=$d$=$N%/%m!<%s(B) $B>e$G(B
$B$N$_L\N)$D8=>]$G$9!#$5$$$o$$!"$3$l$O4JC1$K2r7h$G$-$^$9!#(BCPU $B$K9g$o$;$F!"(B
$B%+!<%M%k$r:F%3%s%Q%$%k$9$l$P$$$$$N$G$9!#(B</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN137"
>2.5. BogoMips $B$N%"%k%4%j%:%`$N99?7$O!)(B</A
></H2
><P
>$B0lHL$N4|BT$KH?$7$F!"(BBogoMips $B%"%k%4%j%:%`$O%+!<%M%k$N%P!<%8%g%s$,>e$,$C$F$b(B
$BA4$/JQ99$5$l$F$$$^$;$s!#2C$($F!"$I$3$N%a!<%+$N(B CPU $B$K4X$7$F$bK\<AE*$KF1$8(B
$B$b$N$,;H$o$l$F$$$^$9!#(B</P
><P
>$B%+!<%M%k(B 2.2.14 $B$GJQ99$5$l$?$N$O!"(BBogoMips $B$N7WB,D>A0$G$N(B CPU $B%9%F!<%H$N@_Dj(B
$B$G$9!#$3$NJQ99$N1F6A$O!"(BIntel $B$*$h$S(B AMD $B$N(B Pentium $B7O(B CPU $B$9$Y$F$N(B BogoMips
$BCM$K5Z$s$G$$$F!"$=$l$K$h$C$F:#$^$G(B BogoMips $BCM$O(B 2*clock $B$G$O$J$+$C$?$H$3$m!"(B
$BLs(B 2*clock $B$H$J$j$^$7$?!#$3$&$7$?%+!<%M%k%P!<%8%g%s$N99?7$K$h$kJQ99$K$D$$$F$O!"(B
$B0J2<$N%j%9%H$K$*$$$F(B * $B0u$G%^!<%/$7$F$"$j$^$9!#(B</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN141"
>2.6. <TT
CLASS="COMPUTEROUTPUT"
>BogoMips ... failed</TT
> $B$H$$$&I=<((B</A
></H2
><P
>$B$3$l$K4X$9$k<ALd$O!"%M%C%H>e$G$b8D?M%a!<%k$G$b?tB?$/4s$;$i$l$^$7$?!#Nc$($P!"(B
Lily <lbliao@alumni.caltech.edu> $B$d(B Pierre Frenkiel <
frenkiel@cdfap2.in2p3.fr> $B$H$$$C$?J}!9$+$i$G$9!#(B1995$BG/(B3$B7n$K$O!"<!$N$h$&$J(B
$B<ALd$,$"$j$^$7$?!#(B</P
><P
><BLOCKQUOTE
CLASS="BLOCKQUOTE"
><P
>Linux $B$r5/F0$9$k$H0J2<$N$h$&$J%a%C%;!<%8$,I=<($5$l$^$9!#(B</P
><P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
> Calibrating delay loop.. ok - 23.96 BogoMips failed</PRE
></FONT
></TD
></TR
></TABLE
></P
><P
>calibration delay loop $B$O!"$I$NItJ,$G!"2?8N<:GT$7$F$$$k$N$G$7$g$&$+!)(B</P
></BLOCKQUOTE
></P
><P
>$B$$$$$(!"$3$l$O<:GT$G$O$"$j$^$;$s!#$b$7<:GT$7$?$N$J$i!"<!$K$h$&$JI=<($K(B
$B$J$k$O$:$G$9!#(B</P
><P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
> Calibrating delay loop.. failed</PRE
></FONT
></TD
></TR
></TABLE
></P
><P
>$B<:GT$HI=<($5$l$k$N$O!"%^%7%s>e$K$J$$%G%P%$%9$N%I%i%$%P$,860x$G$O$J$$$+$H(B
$B;W$o$l$^$9!#%G%P%$%9%I%i%$%P$O!"(BBogoMips $BCM$N7WB,$ND>8e$K=i4|2=$5$l$^$9!#(B
$B$^$:(B SCSI $B%G%P%$%9!"<!$K%M%C%H%G%P%$%9Ey!9$G$9!#=i4|2=$K<:GT$7$?>l9g$O!"(B
$BI,$:$=$l$,I=<($5$l$^$9!#$H$/$K(B AHA152x $B%I%i%$%P$G$h$/LdBj$,5/$3$j$^$9!#(B
$B%I%i%$%P$N=i4|2=$N<:GT(B($B$*$h$S(B BogoMips $B7WB,$N<:GT(B)$B0J30$K$b!"%7%9%F%`(B
$B%/%i%C%7%e!"BT$A;~4V$ND62a$d%7%9%F%`$,40A4$K%m%C%/$7$F$7$^$&$H$$$C$?8=>]$,(B
<TT
CLASS="COMPUTEROUTPUT"
>ok - xx.xx BogoMips</TT
> $B$r=PNO$9$kD>A0$dD>8e$K(B
$B5/$3$C$F$$$k$3$H$,9M$($i$l$^$9!#(B</P
><P
>Linux 1.2 $B0J9_$G$O%(%i!<%a%C%;!<%8$NB?$/$,0JA0$h$j$b2~A1$5$l$F$$$k$N$G!"(B
$B:G?7HG$N%+!<%M%k$r;H$C$F$I$N%I%i%$%P$,=i4|2=$K<:GT$7$F$$$k$N$+3N$+$a$k$H$h$$$H(B
$B;W$$$^$9!#$^$?!"8=:_$N%+!<%M%k$r:F%3%s%Q%$%k$7$F!"%O!<%I%&%'%"$N@_Dj$K(B
$BK\Ev$KI,MW$J%I%i%$%P$@$1$rAH$_9~$`$h$&$K$9$kJ}K!$b$"$j$^$9!#(B</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN157"
>2.7. (Cyrix, NexGen, AMD $B$H$$$C$?(B) $B%/%m!<%s(B CPU $B$G$O$I$&$+(B</A
></H2
><P
>Cyrix 486 $B7O(B CPU $B$K$O!"%-%c%C%7%e$rM-8z$K$9$k%=%U%H%&%'%"(B($B$3$l$O!"(BBogoBoost
$B$H8F$P$l$?$j$7$^$9(B)$B$,I,MW$G$9!#(BCyrix 5x86 $B$H(B 6x86 CPU $B$G$O!"(B(BIOS $B%*%W%7%g%s(B
$B$N(B)$BJ,4tM=B,$K$h$j(B BogoMips $BCM$,BgI}$K2~A1$5$l$F$$$k$h$&$G$9!#$?$@!"(B
$B%Q%U%)!<%^%s%9<+BN$O$=$l$[$I2~A1$5$l$J$$>l9g$,$"$k$N$G!"(BCyrix CPU $B$ND4@0MQ$K(B
BogoBoost $B%Q%C%A$d(B cx5x86mod, set6x86 $B$H$$$C$?%Q%C%1!<%8$,:n@.$5$l$F$$$^$9!#(B
$B$3$l$i$O0lHL$N%"!<%+%$%V$J$i$I$3$G$bJ,$+$j0W$$>l=j$K$"$j$^$9!#$^$?!"(BCyrix
6x86 CPU $B$G$O!"(BCPU $B$N:GE,2=$K(B Pentium $B$rA*$V$h$j(B 486 $B$rA*$s$G%+!<%M%k$r(B
$B%3%s%Q%$%k$7$?J}$,%Q%U%)!<%^%s%9$,8~>e$9$k>l9g$,$"$k$3$H$,Js9p$5$l$F$$$^$9!#(B</P
><P
>Nx586 $B$H5-:\$5$l$F$$$k(B NexGen 386 $B%(%s%O%s%9%I(B CPU $B$O!"$3$NJ8=q$G$O(B
386 $B7O(B CPU $B$H$7$F%j%9%H$K7G:\$7$F$$$^$9!#$3$l$i$N(B CPU $B$,(B Pentium $B$HF1MM$N(B
$BF0:n$r$9$k$+$i$H$$$C$F!"$=$N$3$H$O(B BogoMips $B$N7WB,$H$O4X78$J$$$+$i$G$9!#(B</P
><P
>AMD 5x86 $B$K$D$$$F$b!"(BAMD 486DX5 $B$H5-:\$7$F$$$^$9!#$3$l$O!"(B486/33 $B$r(B 4 $BG\B.$K(B
$B$7$?$b$N$G$"$j!"B>$N(B 486 CPU $B$HA4$/F1$87ONs$KB0$7$F$$$^$9!#(BAMD K5 $B$d(B K6 $B$O!"(B
Pentium $B7O(B CPU $B$G$"$k$N$G!"$=$l$>$lE,@Z$J%j%9%H>e$K(B BogoMips $BCM$N7WB,7k2L$r(B
$B5-:\$7$F$$$^$9!#(B</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN162"
>2.8. $B$J$<(B BogoMips $BCM$,=EMW$J$N$+(B</A
></H2
><P
>Linux $B$N5/F0Cf$KI=<($5$l$k(B BogoMips $BCM$KCm0U$rJ'$&$Y$-M}M3$O(B 2 $B$D$7$+$"$j$^(B
$B$;$s!#$=$l$O0J2<$N$h$&$J$3$H$G$9!#(B</P
><P
> <P
></P
><OL
TYPE="1"
><LI
><P
>$B%/%m%C%/?t$d%-%c%C%7%e5!G=$J$I$K1~$8$?$=$N%W%m%;%C%5$KE,@Z$JHO0O$NCM$,I=<((B
$B$5$l$F$$$k$+3NG'$9$k$?$a!#(BCPU $B$NB?$/$O!"<!$K$h$&$J2U=j$N@_Dj$,E,@Z$K$J$5$l$F(B
$B$$$J$$$3$H$,$"$k$+$i$G$9!#(B
<P
></P
><UL
><LI
><P
>$B%a%b%j%-%c%C%7%e$N@_Dj!#(B($B%i%$%H%P%C%/(B(write-back)$B$K$9$k$H(B 5 % $B$[$I(B BogoMips
$B$,2<$,$k$H8@$o$l$F$$$^$9!#%i%$%H%9%k!<(B(write-through)$B$K$7$F$*$1$P(B OK $B$G$9!#(B)</P
></LI
><LI
><P
>$B%?!<%\%9%$%C%A!#(B( ON $B$K$7$F$*$/$Y$-$G$9!#(B)</P
></LI
><LI
><P
>BIOS $B%=%U%H%&%'%"$r;H$C$?%=%U%H%&%'%"%-%c%C%7%e$N%(%_%e%l!<%7%g%s!#(B
($B<B%-%c%C%7%e$r;H$&$h$&$K$7$F$/$@$5$$!#(B)</P
></LI
><LI
><P
>$B>e5-$KN`$9$k%-%c%C%7%e$d%/%m%C%/4XO"$N;vJA!#$^$?!"$H$-$H$7$F!"(BBIOS $B%=%U%H%&%'%"(B
$B4XO"$N;vJA!#(B</P
></LI
></UL
>
</P
></LI
><LI
><P
>$BB>?M$N%7%9%F%`$H$I$A$i$,Aa$$$+Hf$Y$k$?$a!#$b$A$m$s!"$3$l$OA4$/$N4V0c$$$G$"$j!"(B
$B?.Mj$G$-$:!":,5r$N$J$$!"$"$-$i$+$KL5BL$JMxMQJ}K!$G$9$,!"$I$N%Y%s%A%^!<%/$K$b(B
$BF1$8LdBj$O$D$-$^$H$$$^$9!#$@$C$?$i!";H$C$A$c$$$1$J$$$H$$$&$o$1$G$O$J$$$@$m$&!"(B
$B$H$J$kLu$G$9!#LdBj$,4^$^$l$F$$$k$H$O$$$(!"$_$s$J%Y%s%A%^!<%/$r;H$&$N$r;_$a$k(B
$B$3$H$O$J$+$C$?!"$=$&$8$c$"$j$^$;$s!)(B</P
></LI
></OL
> </P
><P
>$BK\J*$N%Y%s%A%^!<%/$r$b$C$H??LLL\$KMxMQ$7$h$&$H;W$&>l9g$O!"(B
Andre D. Balsa $B$N(B <A
HREF="http://www.linuxdoc.org/HOWTO/Benchmarking-HOWTO.html"
TARGET="_top"
>Linux Benchmarking HOWTO</A
> (<A
HREF="http://www.linux.or.jp/JF/JFdocs/Benchmarking-HOWTO.html"
TARGET="_top"
>$BF|K\8lLu(B</A
>) $B$r$4Mw$/$@$5$$!#(B</P
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