Date: Tue, 15 Sep 1998 01:56:16 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: dg@root.com Cc: tlambert@primenet.com, joelh@gnu.org, tom@uniserve.com, gpalmer@FreeBSD.ORG, irc@cooltime.simplenet.com, freebsd-current@FreeBSD.ORG Subject: Re: Download of FreeBSD 3.0-SNAP Message-ID: <199809150156.SAA12652@usr05.primenet.com> In-Reply-To: <199809150022.RAA21739@implode.root.com> from "David Greenman" at Sep 14, 98 05:22:29 pm
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> >Note that David points out that FreeBSD *does* do elevator sorting; > >it's still not optimal, however, since physical and logical cylinder > >boundaries are infrequently the same on modern hardware. > > FreeBSD's disksort function sorts by block number, not by cylinder number. Hence it being non-optimal; see Mike's post... optimial is "always does exactly the right thing". It's not pessimal, either (as Mike pointed out, too). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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