Author: Anthony Cozzie
Date: 08:05:41 01/02/04
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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? > >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. Ponder means that the engine thinks while its opponent moves. Since there is only 1 cpu, and both engines are thinking, they get half the cpu. HT is garbage for computer chess. A pentium 4 is ONE core. HT is designed for applications that spend most of their time in the memory system. anthony
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