From owner-FreeBSD-users-jp@jp.freebsd.org  Tue Feb  4 19:51:49 1997
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From: Hiroshi Murakami <nws830@ca2.so-net.or.jp>
Message-Id: <199702041053.TAA02042@i386.my.domain>
To: FreeBSD-users-jp@jp.freebsd.org
Date: Tue, 4 Feb 1997 19:53:50 +0900 (JST)
In-Reply-To: <9702040744.AA03729@gotenba.lp.nm.fujitsu.co.jp> from "TANAKA Keishiro" at "Feb 4, 97 04:44:07 pm"
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Subject: [FreeBSD-users-jp 9438] Re: gcc with -malign-double (Re: performance  on numerical calculationdependsonshells?)
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> >$@$b$A$m$s!"$9$Y$F$N%i%$%V%i%j$r(J -malign-double $@$G%3%s%Q%$%k$9$l$P0c$&(J
> >$@$N$+$bCN$l$^$;$s$,!"$=$&$9$k$h$j$O(J malloc() $@$d(J mmap() $@$rMxMQ$7$F(J 
> >dynamic $@$K<h$C$F!"$=$N(J align $@$,9g$&$h$&$KEXNO$9$kJ}$,4JC1$@$H$*$b$$(J
> >$@$^$9!#(J
> $@EXNO$7$J$/$F$b!"(Jsparc$@$@$H!"(Jmalloc$@$GLa$5$l$kCM$O!">o$K(J8$@%P%$%H%P%&%s%@%j(J
> $@$J$s$G$9$1$I!"(JFreeBSD$@$G$O!"(J4$@%P%$%H$J$N$G$9$+!)(J i386$@$,%j%+%P$C$F$/$l$A$c(J
> $@$&$N$G$"$^$j0U<1$;$:$K;H$($F$7$^$&$+$i(J4$@%P%$%H$K$7$F$k$N$+$J$"!#(J

FreeBSD $@$N;H$C$F$$$k(J malloc $@$O(J 8 byte $@@09g$7$?%"%I%l%9$rJV$7$F$/$l$^$9!#(J
$@%=!<%9$r$_$l$P$o$+$j$^$9!#(J
386/486 $@$@$H!"%G!<%?%P%9$b(JCPU$@FbIt$N%P%9$b#4%P%$%H9=@.$K$J$C$F$$$k(J
$@$i$7$/$F(J,Pentium$@$N$h$&$K(J 8byte $@@09g$7$F$$$J$/$F$b(J 
4byte $@@09g$7$F$$$l$PF1$8@-G=$,(J
(cache $@$N%i%$%sD9$+$iMh$k@-G=$NMI$l$O$"$k$1$I(J)$@$G$^$9!#(J
i386 $@%"!<%/%F%/%A%c!<$N(J ABI $@$,(J 8$@%P%$%H%P%s%@%j$r0U<1$7$?(J
$@$b$N$K$J$C$F$$$J$$$3$H$,!"4b$@$H;W$$$^$9!#(J

$@0JA0(J Solaris x86 $@MQ$N(J C/C++, Fortran $@%3%s%Q%$%i$N;nMQHG$r(J
$@<j$KF~$l$F%3!<%I$rEG$+$;$F$_$^$7$?$,!"%a%b%j$N3d$jIU$1(J
$@$O#8%P%$%H@09g$rA4$/$7$F$$$J$$%*%V%8%'%/%H$r=P$7$F$$$?$3$H$r(J
$@8+$F$,$C$+$j$7$^$7$?!#(J ($@:#$O$I$&$J$C$F$$$k$G$7$g$&$M(J)

# $@$"$J$?$N(J Pentium 200MHz $@$O$"$J$?$,5$$,$D$+$:$K(J Pentium 100MHz
# $@DxEY$N;E;v$7$+$7$F$$$J$$$+$b$7$l$^$;$s!#(JCPU$@$N%/%m%C%/$@$1$G$J$/$F!"(J
# $@%G!<%?%P%9$d(JCPU$@FbIt$N%"!<%-%F%/%A%c!<$r9MN8$KF~$l$?(J
# $@%W%m%0%i%`%3!<%I$b=EMW$G$"$j$^$9!#(J

