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Subject: Re: Rating x Processor and RAM

Author: Bo Persson

Date: 00:45:55 06/10/03

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On June 09, 2003 at 15:21:10, Ricardo R Santana wrote:

>Hello All
>
>we have seen a big improvement in PC hardware, and so in chess programs rating.
>So, for standard time control I believe there are some relations . So, my
>questions are quite simple:
>
>1) Is there any basic relation with computer speed x rating ? what about RAm x
>rating ?

Higher speed, higher rating?  :-)

Double the speed, maybe +50 ELO points?

More RAM means larger hash tables, or more cache for the end game table bases.
But you also need a fast processor to use it all. Faster RAM can be an
advantage, but not much.


>
>2) If so, is there a graph with these plots for some programs (I believe there
>are different performances relations for each kind of program).
>
>3) SO, what was deep blue performance (in nodes or something like this)

200M NPS

>compared
>with today speed (nodes/second ??)

1-2M for normal PCs, 3M for 8 processor servers.


>
>Thanks in advance
>Ricardo Sant Ana


Bo Persson
bop2@telia.com



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