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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!lucy.swin.edu.au!news.rmit.EDU.AU!news.unimelb.EDU.AU!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!dispatch.news.demon.net!demon!rill.news.pipex.net!pipex!tank.news.pipex.net!pipex!halon.vggas.com!not-for-mail From: JYoungman@vggas.com (James Youngman) Newsgroups: comp.os.linux.misc,comp.os.linux.networking,comp.os.linux.setup,comp.unix.bsd.bsdi.misc,comp.unix.bsd.misc Subject: Re: User-space file systems. (Re: Linux vs BSD) Date: 7 Mar 1997 14:01:32 GMT Organization: VG Gas Analysis Systems Message-ID: <5fp73s$8l$4@halon.vggas.com> References: <5e6qd5$ivq@cynic.portal.ca> <5fj9q4$s0i@pulp.ucs.ualberta.ca> <5fjek4$gtm@cynic.portal.ca> <5fl7gf$urs@pulp.ucs.ualberta.ca> <5flmlf$6a3@cynic.portal.ca> <5fmtsp$112u@pulp.ucs.ualberta.ca> NNTP-Posting-Host: uriel.vggas.com Mime-Version: 1.0 Content-Type: Text/Plain; charset=US-ASCII X-Newsreader: WinVN 0.99.8 (x86 32bit) Lines: 14 Xref: euryale.cc.adfa.oz.au comp.os.linux.misc:163267 comp.os.linux.networking:71174 comp.os.linux.setup:101409 comp.unix.bsd.bsdi.misc:6248 comp.unix.bsd.misc:2746 In article <5fmtsp$112u@pulp.ucs.ualberta.ca>, jgg@gpu5.srv.ualberta.ca says... >Actually, I do have 1 question, you have been saying a protection switch >is taking > 20 us (Is it even that much?) It almost certainly isn't. I wrote a program to drive a certain serial protocol, and it turned out that my P100 averaged under 1us CPU time per *message* as measured by time(1), on a benchmark that ran overnight. -- James Youngman VG Gas Analysis Systems The trouble with the rat-race Before sending advertising material, read is, even if you win, you're http://www.law.cornell.edu/uscode/47/227.html still a rat.