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Subject: Re: HyperThreading & Comp v Comp matches

Author: Tony Werten

Date: 04:53:15 11/24/04

Go up one level in this thread


On November 23, 2004 at 23:08:42, Robert Hyatt wrote:

>On November 23, 2004 at 01:11:10, Ray Banks wrote:
>
>>On November 22, 2004 at 23:20:58, Robert Hyatt wrote:
>>
>>>I use ponder-on all the time, one cpu or not...  If both engines ponder, each
>>>gets 1/2 the processor, and that doesn't disrupt normal time allocation...
>>
>>Why does everyone use ponder off then on their tourneys?
>
>I don't have any idea...
>
>
>>
>>I've previously been told that with a single processor you can't guarantee each
>>engine will get 50%, therefore to use ponder off.
>
>With a decent O/S I don't see how there could be any imbalance at all, except
>for the case where one engine is to lazy to find a move to ponder, and it just
>"sits"...  but that is an engine deficiency, not a problem with testing with
>ponder=on...

When engine A is out of book and engine B isn't, A is rewarded for engine B
having a better book.

Tony




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