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Subject: Re: P4-2.53

Author: Koundinya Veluri

Date: 09:51:46 07/19/02

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On July 18, 2002 at 09:13:38, Ricardo Gibert wrote:

>On July 18, 2002 at 08:51:53, Enrique Irazoqui wrote:
>
>>On July 18, 2002 at 08:39:20, Vincent Diepeveen wrote:
>>
>>>On July 18, 2002 at 08:38:16, Enrique Irazoqui wrote:
>>>
>>>>I have been offered a P4-2.53 with 533 bus. Are there any tests showing how this
>>>>processor does in chess compared with the AMD?
>>>>
>>>>Any information will be welcome.
>>>>
>>>>Thanks, Enrique
>>>
>>>divide by 1.7 for chessprograms to have the real speed of it in AMD K7 Mhz.
>>
>>I don't think this works, since it would make the P4-2.53 slower than the AMD
>>1800+ (1533), while in fact the 1800+ is not faster than the P4-2.2
>>
>>Enrique
>
>If you use the runtime figure from the crafty section of the specint benchmark,
>you will find that the 2.533Ghz P4 does 116 which is 22% slower than the 1.8Ghz
>Athlon which gets a 94.4. After doing the math, I come up with a divider that is
>slightly over 1.7 so Vince appears to be accurate.
>
>Here's a link so you can verify: http://www.aceshardware.com/SPECmine/

IMO the 1.7 ratio is accurate for a *very* small percentage of engines,
including Crafty. Most engines I have tested are relatively much faster on a P4.



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