Date: Thu, 27 Jun 2002 10:48:23 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: "Greg 'groggy' Lehey" <grog@FreeBSD.org> Cc: Terry Lambert <tlambert2@mindspring.com>, arch@freebsd.org Subject: Re: Larry McVoy's slides on cache coherent clusters Message-ID: <Pine.BSF.4.21.0206271044050.69706-100000@InterJet.elischer.org> In-Reply-To: <20020627071219.GB73837@wantadilla.lemis.com>
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Not "overly impressed" is not quite accurate.. "not sure that it was relevant to us" is more to the point He was against making the system scale to N processors where N is a large number, stating that if corrupted the system too much to have such fine grained locking, and that such large-scale MP situations should be achieved with clusters of "Small-N" machines, connected together by higher level constructs. I did take some mental notes from the meeting. e.g. "make sure we don't make our kernel TOO fine grained. On Thu, 27 Jun 2002, Greg 'groggy' Lehey wrote: > On Wednesday, 26 June 2002 at 23:29:24 -0700, Terry Lambert wrote: > > I read an interesting article that was tangentially related to > > scaling OS's to a large numbre of CPU's (in this case, Linux). > > > > In it, there was a pointer to a talk that Larry McVoy gave at > > one point regarding CPU scalability and clustering. Here's > > the HTTP version of his slide show: > > > > http://www.bitmover.com/cc-pitch/ > > > > While it's technically about Linux, his criticisms, if valid > > also apply equally to FreeBSD. In any case, it's a thought > > provoking read. > > Julian Elischer and I met with Larry during the last BSDCon. He had > intended to come and talk to us about it, but for some reason changed > his mind. Admittedly neither Julian nor I were overly impressed with > what he had to say about the concept. > > Greg > -- > See complete headers for address and phone numbers > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-arch" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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