Date: Thu, 04 Nov 1999 14:38:47 +0100 From: Thierry Herbelot <thierry.herbelot@alcatel.fr> To: remy@synx.com Cc: Joachim.Strombergson@emw.ericsson.se, freebsd-smp@FreeBSD.ORG Subject: Re: Good SMP Motherboards Message-ID: <38218C67.E1B2E838@alcatel.fr> References: <199911041204.NAA05362@gw0.boostworks.com>
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Salut, Remy Nonnenmacher wrote: > [COUIC] > - Linear interpolation for a Celeron 500 would lead to 2.80 Mkey/s which > is nearly what gave the PIII. If this is exact, the performance/price > ratio is outstanding. This is exactly what I get with my BP6 and a pair of 333 O'Cd @ 500 MHz, happily crunching for about one month, under the then-Current (the rc5 run was at the beginning just a test to validate the cooling system of the box - I have to find time to try 550 MHz) TfH > - This is a pure core test. Do not expect same ratio on dayly > operations. > - David Malone have a really interesting graph that shows impact of > cache size and RAM speed over a core-intensive process. It can be found > at : http://www.maths.tcd.ie/~dwmalone/comp/perf.ps and shows the L1, > L2 and RAM speed and size steps. > > Speculation: > > Intel build the same core every time. If the cache runs full speed, it's > a Xeon. If only half of the cache runs at full speed, it's a PIII, if a > quarter of the cache runs at full speed it's a celeron. If the cache > runs at half speed, it's a PII. If nothing works, back to the fundry. > > Probably exagerated, but it's the basic idea. > > RN. > IeM > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-smp" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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