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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.mel.connect.com.au!news.mira.net.au!vic.news.telstra.net!act.news.telstra.net!psgrain!iafrica.com!uct.ac.za!quagga.ru.ac.za!howland.erols.net!news.sprintlink.net!news-peer.sprintlink.net!arclight.uoregon.edu!dispatch.news.demon.net!demon!awfulhak.demon.co.uk!awfulhak.demon.co.uk!awfulhak.demon.co.uk!not-for-mail From: brian@awfulhak.demon.co.uk (Brian Somers) Newsgroups: comp.unix.bsd.freebsd.misc,comp.unix.solaris,comp.os.linux.misc Subject: Re: Benchmarking different Unix Operating Systems Followup-To: comp.unix.bsd.freebsd.misc,comp.unix.solaris,comp.os.linux.misc Date: 14 Sep 1996 22:58:58 +0100 Organization: Coverform Ltd. Lines: 19 Distribution: inet Message-ID: <51f9r2$12n@anorak.coverform.lan> References: <aak2.842008017@Isis.MsState.Edu> <50p41e$1ie@nnrp1.news.primenet.com> <5120jc$qh5@panix.com> <32399C1B.7EC4FD4F@lambert.org> NNTP-Posting-Host: localhost.coverform.lan X-NNTP-Posting-Host: awfulhak.demon.co.uk X-Newsreader: TIN [version 1.2 PL2] Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:27297 comp.unix.solaris:82591 comp.os.linux.misc:129273 Terry Lambert (terry@lambert.org) wrote: : In my opinion, once the scheduler gives me a quantum, it is *MY* : quantum; I should not have to be penalized for making a system : call, when another process could use up its full quantum without : penalty by not calling the system. : Probably the correct way (as opposed to the Solaris/SVR4 suggested : method of implementing a new scheduling class) would be to have : a cooperative scheduler in user space an convert all blocking : kernel calls to non-blocking calls plus a user space thread : context switch. But what's the difference ? Even if I lose my chance at running 'cos I do a "kernel" thing, I end up w/ a higher priority than the guy that gets his whole quantum..... don't I ? -- Brian <brian@awfulhak.demon.co.uk> Don't _EVER_ lose your sense of humour....