Date: Sun, 20 Jun 1999 19:37:22 +0100 From: Scott Mitchell <s.mitchell@computer.org> To: Warner Losh <imp@harmony.village.org> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: SMP and Celerons... Message-ID: <19990620193722.51258@goatsucker.org> In-Reply-To: <199906192257.QAA87169@harmony.village.org>; from Warner Losh on Sat, Jun 19, 1999 at 04:57:25PM -0600 References: <87hfo4c6dj.fsf@dhcp9545042.columbus.rr.com> <Pine.BSF.4.05.9906191302400.16699-100000@medulla.hippocampus.net> <199906191707.LAA86070@harmony.village.org> <87hfo4c6dj.fsf@dhcp9545042.columbus.rr.com> <199906192257.QAA87169@harmony.village.org>
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On Sat, Jun 19, 1999 at 04:57:25PM -0600, Warner Losh wrote: > By broke, I mean that they don't scale well due to cache effects. I > think it may just be a size thing, but it might also be a cache > coherency protocol ineffeciencies as well. The articles I've seen > show that for typical workloads, people with two celerons were getting > in the 1.5x range, while people with PIIs were getting 1.8x or so. > > Warnr Warner, Don't suppose you have a URL handy for those articles? I'm contemplating building a dual-Celery box so it's probably good to know this stuff. Although, with the Celerons over here selling for around half the price of an equivalent P-II they'd have to scale real bad to put me off the idea :-) Even if the performance sucks, I'll have an otherwise well-specced box that I can upgrade to P-II's as I can afford it. Cheers, Scott -- =========================================================================== Scott Mitchell | PGP Key ID | "Eagles may soar, but weasels London, England | 0x54B171B9 | don't get sucked into jet engines" s.mitchell@computer.org | 0xAA775B8B | -- Anon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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