From owner-FreeBSD-users-jp@jp.freebsd.org  Sat Feb 17 08:47:59 1996
Received: by mail.jp.freebsd.org (8.7.3+2.6Wbeta5/8.7.3) id IAA25670
	Sat, 17 Feb 1996 08:47:59 +0900 (JST)
Received: by mail.jp.freebsd.org (8.7.3+2.6Wbeta5/8.7.3) with SMTP id IAA25665
	for <FreeBSD-users-jp@jp.freebsd.org>; Sat, 17 Feb 1996 08:47:55 +0900 (JST)
Received: (from mizuta@localhost) by jwf01.bme.ei.hosei.ac.jp (8.6.12/3.3W-bme-3.0) id IAA07133; Sat, 17 Feb 1996 08:47:44 +0900
Message-Id: <199602162347.IAA07133@jwf01.bme.ei.hosei.ac.jp>
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: Your message of "Fri, 16 Feb 1996 12:27:00 +0900"
References: <199602160327.MAA00410@jwf01.bme.ei.hosei.ac.jp>
X-Mailer: Mew version 1.00.4 on Emacs 19.28.2, Mule 2.3
X-PGP-Fingerprint: 5B 1C 4F 19 78 57 6D BE  DA 20 E1 7F 7A B9 AD 1A
Mime-Version: 1.0
Content-Type: Text/Plain; charset=iso-2022-jp
Date: Sat, 17 Feb 1996 08:47:43 +0900
From: Hirohisa Mizuta <mizuta@bme.ei.hosei.ac.jp>
Reply-To: FreeBSD-users-jp@jp.freebsd.org
X-Distribute: distribute [version 2.1 (Alpha) patchlevel=19]
X-Sequence: FreeBSD-users-jp 398
Subject: [FreeBSD-users-jp 398] Re: Pentium
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org

$B?eED!wK!@/Bg$G$9!#(B

$B<+8J%U%)%m!<$G$9!#(B

  On Fri, 16 Feb 1996 12:27:00 +0900, Subject: [FreeBSD-users-jp 374] Re: Pentium
  Hirohisa Mizuta <mizuta@bme.ei.hosei.ac.jp> said:

mizuta> $B$G!":#(B FreeBSD 2.1.0R $B$G3NG'$7$F$_$?$N$G$9$,(B
mizuta> $B:G=i$K%$%s%9%H!<%k$5$l$?(B libm.a $B$NJ}$,(B msun $B$G:n$C$?%b%N$h$j(B
mizuta> $BB.$/$J$C$F$7$^$$$^$7$?!#(B

$B$H$$$&$3$H$G!"<B83$7$F$_$^$7$?!#(B

P5-200 + FreeBSD 2.1.0R $B$G(B
cc  => $BIUB0$N(B cc ( = gcc2.6.3 )
gcc => gcc2.7.2p

org  => $BIUB0$N(B libm.a
msun => msun $B$G:n$C$?(B libm.a

n => $BB>$K:GE,2=%*%W%7%g%s$r$D$1$J$$!#(B
y => -fthread-jumps -fdefer-pop -fomit-frame-pointer -finline-functions
     -fno-float-store -fcse-follow-jumps -frerun-cse-after-loop 
     -fno-pcc-struct-return -fforce-addr -fforce-mem -fcaller-saves 
     -ffast-math -fexpensive-optimizations -mieee-fp -fbuiltin 
     -funroll-loops -fno-strength-reduce

$B7WB,$O!"(BNifty $B$N(B FEXT $B$K$"$C$?(B whetstone $B$G!"(B7$B2s<B9T$7$F(B
1$BHVNI$$$N$H!"0-$$$N$r<N$F$?(B 5$B2s$NJ?6Q$G$9!#(B
$B$"$H!"(B-static $B$r$D$1$F$$$^$9!#(B

+-----+-----+---+------+-----------+ |-----+-----+---+------+-----------+ 
| cc  | -O0 | n | org  |  51577.56 | | gcc | -O0 | n | org  |  54623.86 |
|     |     |   +------+-----------+ |     |     |   +------+-----------+
|     |     |   | msun |  78522.82 | |     |     |   | msun |  85750.78 |
|     |     +---+------+-----------+ |     |     +---+------+-----------+
|     |     | y | org  |  51908.1  | |     |     | y | org  |  55717.6  |
|     |     |   +------+-----------+ |     |     |   +------+-----------+
|     |     |   | msun |  79046.96 | |     |     |   | msun |  88282.04 |
|     +-----+---+------+-----------+ |     +-----+---+------+-----------+
|     | -O  | n | org  |  57329.74 | |     | -O  | n | org  |  98666.56 |
|     |     |   +------+-----------+ |     |     |   +------+-----------+
|     |     |   | msun |  94710.54 | |     |     |   | msun | 100700.44 |
|     |     +---+------+-----------+ |     |     +---+------+-----------+
|     |     | y | org  |  61701.74 | |     |     | y | org  | 130600.88 | *
|     |     |   +------+-----------+ |     |     |   +------+-----------+
|     |     |   | msun | 104620.12 | |     |     |   | msun | 121593.14 | *
|     +-----+---+------+-----------+ |     +-----+---+------+-----------+
|     | -O2 | n | org  |  56810.68 | |     | -O2 | n | org  | 100779.66 | !
|     |     |   +------+-----------+ |     |     |   +------+-----------+
|     |     |   | msun |  94083.7  | |     |     |   | msun |  99649.84 | !
|     |     +---+------+-----------+ |     |     +---+------+-----------+
|     |     | y | org  |  61797.2  | |     |     | y | org  | 129883.46 | *
|     |     |   +------+-----------+ |     |     |   +------+-----------+
|     |     |   | msun | 104653.82 | |     |     |   | msun | 121615.78 | *
|     +-----+---+------+-----------+ |     +-----+---+------+-----------+
|     | -O6 | n | org  |  60283.5  | |     | -O6 | n | org  | 128527.58 |
|     |     |   +------+-----------+ |     |     |   +------+-----------+
|     |     |   | msun | 103267.66 | |     |     |   | msun | 129384.92 |
|     |     +---+------+-----------+ |     |     +---+------+-----------+
|     |     | y | org  |  61743.46 | |     |     | y | org  | 144912.16 | *
|     |     |   +------+-----------+ |     |     |   +------+-----------+
|     |     |   | msun | 105133.58 | |     |     |   | msun | 134808.02 | *
|-----+-----+---+------+-----------+ |-----+-----+---+------+-----------+

cc $B$G$O!"(Bmsun $B$r;H$C$?J}$,3N<B$KB.$/$J$C$F$$$k$N$G$9$,(B
gcc $B$G$O!"$4$A$c$4$A$c$H%*%W%7%g%s$r$D$1$k$H(B msun $B$NJ}$,CY$/$J$C$F$$$^$9!#(B
(*$B0u$N$H$3$m!#(B !$B0u$N$H$3$m$O!"B,Dj8m:9$K8+$($^$9$,!"2?2s$d$C$F$b(B
 $B$3$N$/$i$$$N:9$,$G$^$9!#(B)

$B$A$J$_$K!"(Bgcc $B$G!"$5$i$K(B
-mpentium -floop-after-global -flift-stores -freplace-mem -fcopy-prop 
-fruntime-lift-stores -fopt-reg-stack -frisc-mem-dest -frisc -fpeep-spills 
-fall-mem-givs -fdo-offload -malign-double
$B$rDI2C$9$k$H(B
  org  = 148029.12
  msun = 138184.88
$B$H$J$j$^$7$?!#(B

$B!V(By$B!W$G$D$1$?%*%W%7%g%s$K$D$$$F$O!"$I$l$,8z$$$F$$$k$N$+(B
$BA4A38!F$$7$F$$$J$$$G$9$7!"$@$$$?$$!"NI$/$o$+$i$J$$$G$D$1$F$$$k$N$b(B
$BB?$$$N$G$J$s$J$N$G$9$,!"$3$N(B msun $B;H$C$?J}$,CY$/$J$k$H$$$&8=>]$O(B
$B$I$&9M$($?$i$h$$$b$N$J$s$G$7$g$&$+!)(B

-- Hirohisa  Mizuta
Department of Electronic Informatics, College of Engineering, Hosei University
E-Mail: mizuta@bme.ei.hosei.ac.jp
