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Subject: Re: Please don't forget to mention CPU type/speed when you post an analysis

Author: Peter Collins

Date: 16:42:30 10/08/03

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On October 08, 2003 at 19:21:09, Christophe Theron wrote:

>There have been several hundreds of analysis posted by many different engines
>lately.
>
>That is very nice and we love to see all these results.
>
>But the ONE thing that make them hard to compare is that 90% of the posters love
>to mention their name, the *town* they are living in, the amount of hash table
>they are using BUT DO NOT EVEN CARE TO MENTION THE PROCESSOR THEY ARE USING and
>its clock frequency in MHz!!!
>
>There are huge differences among the machines people are using, and I have seen
>results computed on K6-2 450 and some other computed on Athlon 3000+ (one post
>recently even referred to an analysis on Pentium 120MHz).
>
>Please remember that you are probably not all using the same kind of computer
>and that there are huge differences in computing speed between these computers.
>
>PLEASE do not forget to mention the processor and clock speed in your analysis.
>
>If you don't, your results are losing a lot of their value.
>
>Thank you for your attention on this matter!
>
>
>
>    Christophe

This post reminds me of the dilemma I had 3 weeks ago, should I buy two cheaper
XP 2200+ systems with each having 256MB or one 2800+ system with more ram
(1.5GB) for about the same money?

My answer would bore most of you, but I was delighted to see that this one
faster system was more useful in that Silman position I had posted by a factor
that exceeded any estimation based on Fritzmark.  (I am just using it as a rough
guide...)  Viz., in some positions, the faster system came up with moves that
suggested that it would take 10-15 times the time using the slower system...

I'm happy to have splurged on that extra ram.  In a nutshell, the relationships
are not all linear.  (Sorry for my bad grammar.)



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