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Subject: Re: Permanent Brain ON vs Permanent Brain OFF

Author: Terry McCracken

Date: 10:57:32 07/26/01

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On July 26, 2001 at 12:36:09, Robert Hyatt wrote:

>On July 26, 2001 at 11:09:02, Chessfun wrote:
>
>>On July 26, 2001 at 10:43:45, Robert Hyatt wrote:
>>
>>>On July 26, 2001 at 09:56:24, Matthias Gemuh wrote:
>>>
>>>>
>>>>Hi Robert,
>>>>
>>>>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.
>>>>
>>>>Regards,
>>>>Matthias.
>>>
>>>
>>>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.
>>
>>Didn't Volker Pittlik do some tests with on v off a while back and found the
>>differences minimal. Does anyone have the url for the page?.
>>
>>Sarah.
>
>
>The differences can be minimal if both programs make the same mistakes in how
>they allocate time.  But not necessarily.  IE remove the airbox/cleaner from
>your car, and it will run just fine if you avoid dusty/gritty environments.
>
>Remove the airbox from your outboard boat motor and you will discover that it
>will run lean and possibly fry a piston or two.
>
>It all depends on the design decisions that were made by the two different
>designers.

I myself haven't seen a real problem with the time with pondering off.
However I could re-test some of the engines with pondering on just to see
if I get any real difference in results?

Terry



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