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Subject: Re: Nodes per second?universal utility?

Author: Paul Doire

Date: 13:59:59 12/03/00

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On December 03, 2000 at 15:34:48, Bruce Moreland wrote:

>On December 03, 2000 at 13:25:00, Paul Doire wrote:
>
>>I am attempting same pc engine matches. It has been brought to my attention
>>that Didziz has a page that describes the procedure for proper comparison.
>>I have attempted to implement his suggestions(comparing think times with other
>>prog running in background).
>>But CM6000 doesn't have ability in "think lines" to measure nodes, only depth
>>such as 4/09,5/10.Rebel 11 and CM8000 do have the ability to measure nodes.
>>Is there a universal nodes measurement utility available so I can properly
>>gauge nodes per second???
>>
>>I have attempted "Depth" searches but am unsure if accurate,Chess Tiger
>>searches to depth of ten with CM6000 running in background in only 2.6 secs.
>>While CM6000 takes 42 secs to get to 5/10 with Chess Tiger in background.
>>Is it possible for Chess Tiger to search over 16 times faster???
>>
>>Thanks,
>>Paul
>
>Does one card whose engine is turning 4500 RPM's go 1.5 times faster than one
>whose engine is turning 3500 RPM's?
>
>The RPM figure is useful, but only in context of gear ratio.
>
>It is very difficult for chess programmers to supply you with gear ratio
>figures, but RPM's are easy.
>
>You can't compare them, because the gear ratio isn't supplied.
>
>Perhaps some programs have search in their eval.  You do less nodes if you count
>a three-ply search as one node.
>
>Who knows?
>
>bruce

I guess a better term to use is each progs CPU usage regardless of task
at hand,then one could allocate proper time based on each progs cpu"hoggage"!!??

Paul



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