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References: <199701291814.DAA08358@puutalo.geo.titech.ac.jp>
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Date: Thu, 30 Jan 1997 10:39:44 +0900
From: Kenichi Okuyama <okuyama@trl.ibm.co.jp>
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Subject: [FreeBSD-users-jp 9259] Re: performance on numerical calculationdepends
	 on shells?
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$B1|;3!w#I#B#M$G$9!#(B

>>>>> "$B>.NS(B" == Naoki Kobayashi <shibata@geo.titech.ac.jp> writes:
$B>.NS(B> csh% ./run_sh; ./run_bash; ./run_csh; ./run_tcsh
$B>.NS(B>        50.59 real        50.43 user         0.02 sys
$B>.NS(B>       110.54 real       110.27 user         0.02 sys
$B>.NS(B>        49.18 real        49.05 user         0.00 sys
$B>.NS(B>        55.07 real        54.91 user         0.01 sys

$B$3$N7k2L$,@5$7$$$H$9$k$J$i$P!"LdBj$O%7%'%k0MB8$G$O$"$j$^$;$s!#(B
$B!tFC$K%7%'%k%9%/%j%W%H$,@5$7$/!"$=$l$i$N%9%/%j%W%H$r5/F0$7$F$$$k%7%'(B
$B!t%k$,(B csh $B$G$"$k$3$H$b@5$7$$>l9g$O!#(B

tcsh$B$r7PM3$5$;$?$H$-$K(B 55 $BIC$K$J$C$F$*$j!"(Bbash $B$N;~$K(B 100 $BIC$K$J$C$F(B
$B$$$k$3$N7k2L$O!"D>@\<B9T$7$?$H$-$N7k2L!'(B

$B>.NS(B> csh% exec sh
$B>.NS(B> $ /usr/bin/time ./nbody
$B>.NS(B>        51.43 real        51.27 user         0.00 sys
$B>.NS(B> csh% exec bash
$B>.NS(B> bash$ /usr/bin/time ./nbody
$B>.NS(B>        46.91 real        46.82 user         0.02 sys
$B>.NS(B> csh% exec csh
$B>.NS(B> csh% /usr/bin/time ./nbody
$B>.NS(B>        50.34 real        50.22 user         0.01 sys
$B>.NS(B> csh% exec tcsh
$B>.NS(B> tcsh% /usr/bin/time ./nbody
$B>.NS(B>       104.56 real       104.32 user         0.03 sys

$B$HL@$i$+$KL7=b$7$^$9!#(Bbash $B$,CY$/$J$C$?$j!"(Btcsh $B$,CY$/$J$C$?$j$9$k$3(B
$B$N8=>]$O!"L@$i$+$KJL$NMW0x$,$^$:$"$C$F!"(Bbash $B$d(B tcsh $B$r;H$&$H!"$=$N(B
$BMW0x$,!J>l9g$K$h$C$F$O!K(B on $B$K$J$k$N$@!"$H8+$k$Y$-$G$9!#(B

$B>/$/$H$b!"!XFCDj$N(B shell $B$@$HH/@8$9$k!Y$H$$$&LdBj$@$H$O;W$($^$;$s!#(B
$B!t$b$A$m$s!"!X(Bsh $B$d(B csh $B$K$O$J$$5!G=!Y$,860x$H8@$&$3$H$O9M$($i$l$k$N(B
$B!t$G@53N$K$O!XFCDj$N(B shell $B$@$HH/@8$5$;$k$3$H$,$G$-$J$$!Y2DG=@-$O(B
$B!t;D$C$F$$$^$9$,!#(B

$B%W%m%0%i%`Cf$G(B clock $B4X?t$rMQ$$$FD>@\;~4V$r3MF@$7$F$_$k$N$O$I$&$G$7$g(B
$B$&$+!)(B
$B!tJQ$@$J$!!DIaDL$"$jF@$J$$$h$J$!!D(B
$B!t%M%C%H%o!<%/$N%5!<%P!<$H$+$K$J$C$F$F!"=E$$$H$+!"$=$&$$$&MW0x$O(B?
----
$B1|;3(B $B7r0l(B@$BEl5~4pAC8&5f=j(B.$BF|K\#I#B#M(B($B3t(B)[$BFzLn#F#C(B:No.0000000015]
http://karin.ip.titech.ac.jp/~okuyama/index.html
#$B:#F|$N$*8@MU!X$R$#$$$$$$$$!*!Y(B:$B4($$$C(B!$B$$$-$J$j$3$N@c$O2?$C(B!
