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Subject: Intel Hyperthreading and Ponder (Permanent Brain)

Author: Jasmine Baer

Date: 06:57:38 01/02/04

I've seen it written that under the following conditions:

1.  Engine vs. Engine match or tournament
2.  Held on a single computer with a single processor

having ponder=ON(or Permanent Brain in the Fritz GUI) will impact the play of
the engines since the each individual engine would not have full access to the
processor during its own turn.

First, is this true?

Second, is this issue, if it actually is an issue, something that is eliminated
by running a two-processor system?

And, finally, does anyone have any solid insight on how ponder=off/on or
Permanent Brain works on a Pentium 4 with Hyperthreading?

Thanks.

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