Author: Juergen Wolf
Date: 12:56:36 01/02/04
Go up one level in this thread
On January 02, 2004 at 13:30:09, Robert Hyatt wrote: >On January 02, 2004 at 09:57:38, Jasmine Baer wrote: > >>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? > >yes. Since both engines are running, each should get about 1/2 the >computational cycles. usually yes, if the priority-level is controlled by the GUI and not overwritten by the engine. i just want to mention this as i have seen one (weaker) engine resetting the priority-level. > >> >>Second, is this issue, if it actually is an issue, something that is eliminated >>by running a two-processor system? > >Partially. What about engines that can use _both_ processors? :) > > > >> >>And, finally, does anyone have any solid insight on how ponder=off/on or >>Permanent Brain works on a Pentium 4 with Hyperthreading? >> >>Thanks. > > >Same way. PIV with SMT on looks like two slower processors...
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