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Subject: Re: Permanent Brain ON vs Permanent Brain OFF

Author: Robert Hyatt

Date: 19:38:01 07/26/01

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On July 26, 2001 at 18:40:48, Odd Gunnar Malin wrote:

>On July 26, 2001 at 10:43:45, Robert Hyatt wrote:
>>On July 26, 2001 at 09:56:24, Matthias Gemuh wrote:
>>>I think you just wanted to make a joke. We all know that PONDER OFF hurts nobody
>>>(Fritz used its full time). PONDER ON on one CPU is very appropriate to arrive
>>>at wrong engine comparasons.
>
>>Nope... no joke at all.  Two programs, one machine, my preference is ponder=on.
>>both will get 1/2 of the machine and the time controls won't be screwed up.
>>
>>ponder=off exposes the opportunity for a program to get into time trouble
>>because it assumes it will save time with ponder=on when it really can't since
>>it is disabled...
>>
>>ponder=on is the right way to test _everything_ IMHO, unless you have so little
>>memory that both programs won't fit at the same time.
>
>What if only one engine have ponder on?
>Who would be the sufferer, maybe that with ponder on. At least in timetrouble it
>could make some bad moves?
>An idea to normalize the time usage in the search with cpu-time?
>
>Odd Gunnar

\


That would be bad.  the one with ponder=on would get 100% of the cpu when
it was thinking, and 50% of the time when the opponent is thinking...

single-machine tournaments are worthless for that reason...



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