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Subject: Re: Nodes per second?universal utility?

Author: Paul Doire

Date: 14:12:13 12/03/00

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On December 03, 2000 at 17:03:32, Bruce Moreland wrote:

>On December 03, 2000 at 16:59:59, Paul Doire wrote:
>
>>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
>
>That's the thing, they are all using 100% of it constantly.
>
>bruce
 Than is the info I received incorrect?? Is there no way to run engine-engine
matches on same pc with accuracy.Everyone tells me CM6000 is cpu dominant,is
there no way around this issue except separate machine matches?

Paul



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