🚀 go-pugleaf

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In article <SS.93Jan24084434@retour.astec.co.jp> ss@astec.co.jp (Sakashita Shiu) writes:

>	$B$$$$$,$+$j$@$C(B$B$?$i$9$$$^$;$s!#(BUSENIX 1991 Summer$B$G$N(B
>	$B!V(BExtent-like performance from UNIX File System$B!W(B$B$rFI$s$@8B$j(B
>	$B$G$O!"(BFFFS$B$H$[$\F1Ey$N$b$N$,<BAu$5$l$F$$$k$h$&$K;W$o$l$^(B$B$9!#$b(B
>	$B$A$m$s!"%+!<%M%kFb$G$N%$%s%?!<%U%'!<%9$O0c$C$F$$$k$+$b$7$l$^(B$B$;(B
>	$B$s$,!#(B

 $B$*$C$7$c$kDL$j$N$h$&$G$9!#K]Lu$rC5$7$^$7$?!#(B

 UNIX Mag. 91/4-p43 $B$N(B USENIX 1991 $B$N%l%]!<%H$G$O(B

$B!V8=:_$N(B UFS $B$G$O(B 12Mips $B$N(B CPU $B$G$b(B 1.5MB/s$B$H%G(B$B%#%9%/$NG=NO$NH>J,$NE>Aw(B
$B!!!!!!!!(B     $B!!!!(B        $B!!(B     $B!!!!(B        $B!v(B
$BB.EY$7(B$B$+F@$i$l$^$;$s!W(B                      

$B$H=q$$$F$"$j!"(B

>	$B$3$NO@J8$O!"(BUNIX Mag.$B$K(B$B$bK]Lu$,7G:\$5$l$F$$$?$H;W$$$^$9(B

 $B$G!"(BUNIX Mag. 91/8 $B$NK]Lu$r8+$k$H(B

$B!V4{(B$BB8$N(B UFS $B$rB,Dj$7$?$H$3$m!"(B12Mips $B$N(B CPU $B$NLsH>J,$,(B 1.5MB/s $B%G%#%9%/(B
$B$N%P%s%I(B$BI}$NH>J,$rF@$k$?$a$K>CHq$5$l$F$$$?!W(B
$B!v(B

$B$H=q$$$F$"$j$^$9!#(B

 $B;d$O#47n(B$B9f$N5-;v$r8+$F!"!V(B12Mips $B$N(B CPU $B$G(B 1.5MB/s $B=P$k!W$H;W$$!"(B
$BF1(B 91/8 -p19 $B$r8+$k$H(B 12.5Mips $B$N(B SLC $B$N%G%#%9%/E>AwB.EY$O$;$$$<$$(B 
600KB/s $B$/$i$$$7$+=P$F$$$J$$$h(B$B$&$K8+$($k$N$G!"(BReno $BHG$NJ}$,B.$/$J$k$+$J!D(B
$B$H;W$C$?$N$G$9$,!#!J$3$l$O(B$BC;Mm;W9M$G$7$?!K(B

 $B$3$N(B SLC $B$N%F%9%H$G$O(B OS $B$N%P!<%8%g%s$,$o$+$i$J$$$N$G(B$B!"(BUFS $B$,B.$/$J$kA0(B
$B$N(B 4.1 $B$N$^$^$J$N$+$b$7$l$^$;$s!#(B

 $B$H$$$&$3$H$O(B ufs $B$r(B$B:9$7BX$($F$b(B SLC $B$N%G%#%9%/E>AwB.EY$OB.$/$O$J$i$J$$(B
$B$N$G$7$g$&$+!#@'Hs(B$B$=$NJU$r65$($F2<$5$$!#(B

$B!t2K$,$G$-$?$iD)@o$7$h$&$H$O;W$C$F$$$^$9$N$G(B$B!#(B

$B3N$+$K(B what /sys/sun4c/OBJ/ufs*.o $B$7$F8+$?F|IU$H(B NET2 $B$N(B ufs $B$N%=!<%9$N(B
$BF|IU$O(B$B$=$&Bg$-$/$O0c$$$^$;$s$,!D(B

SunOS 4.1.2 $B$N(B /sys/sun4c/OBJ/ufs*.o

ufs_alloc.c 2.28 91/06/18 SMI
ufs_bmap.c 2.38 91/06/18 SMI
ufs_dir.c 2.58 91/06/18 SMI
ufs_inode.c 2.77 91/08/23 SMI
ufs_lockf.c 1.58 91/08/23 SMI
ufs_subr.c 2.49 91/10/03 SMI
ufs_vfsops.c 2.61 91/06/18 SMI
ufs_vnodeops.c 2.186 91/08/23 SMI

386BSD $B$N%=!<%9$O(B

mfs_vfsops.c	7.19 (Berkeley) 4/16/91
mfs_vnops.c	7.22 (Berkeley) 4/16/91
ufs_alloc.c	7.26 (Berkeley) 5/2/91
ufs_bmap.c	7.13 (Berkeley) 5/8/91
ufs_disksubr.c	7.16 (Berkeley) 5/4/91
ufs_inode.c	7.40 (Berkeley) 5/8/91
ufs_lockf.c	7.7 (Berkeley) 7/2/91
ufs_lookup.c	7.33 (Berkeley) 5/19/91
ufs_quota.c	7.11 (Berkeley) 6/21/91
ufs_vfsops.c	7.56 (Berkeley) 6/28/91
ufs_vnops.c	7.64 (Berkeley) 5/16/91

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--
	$BEl5~9)6HBg3X(B $BJ*M}3X2J(B $BNkLZ(B $BAo(B
		e-mail yamagata@phys.titech.ac.jp