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Subject: Re: 88.86 ns on a Dual Xeon 2.8/533 ScienceMark 2.0 beta

Author: Vincent Diepeveen

Date: 12:21:37 03/22/03

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On March 22, 2003 at 02:47:17, Ian Kennedy wrote:

>On March 20, 2003 at 06:58:18, Frederic Louguet wrote:
>
>>I have a Dual Xeon 2.8 Ghz here (Dell WS450) with 533 Mhz bus, chipset E7505,
>>1 GB ram (2 x 512 PC2100 dual-channel non ECC non Registered), Windows XP Pro
>>
>>ScienceMark 2.0 beta indicates a maximum memory latency of 88.86 ns and a
>>2865 MB/s memory bandwith.
>>I don't run Linux and I don't have LMBench but maybe the ScienceMark results are
>>similar.
>
>I was just about to order one of these myself, maybe with more ram, what do you
>think of it, for chess programs?

Latest diep was tested a few days ago at a P4 3.06Ghz again. With SMT and diep
ran at 2 processes it was performing 1.44 slower than a XP.

So P4 3.06Ghz / 1.44 = K7 at about 2.13Ghz speed

So a XP-K7 > 2.2Ghz is faster for DIEP than a P4 at 3.06Ghz.

best regards,
Vincent




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