Author: Y A Tham
Date: 10:07:26 12/10/01
Go up one level in this thread
On December 10, 2001 at 09:57:50, Jonas Cohonas wrote: >On December 10, 2001 at 08:50:35, Randy Schmidt wrote: > >>Correction: I mean 15.3 ply of course. >> >>Also: I just did a search on Deep Fritz and I am reading some comments that DF >>is not always using the second processor? I do not mean to restir what I >>imagine was a hornet's nest. I will restate the question then using Shredder >>vs. Deep Shredder, Deep Junior vs. Junior etc. >> >>I am just wondering if it is worth a few 100 dollars to go with a dual setup is >>all! > >To me it was not really a question of strenght, when i bought my Dual MP 1600+, >but a question of actually being able to run SMP programs the way they were >meant to, also to have engine tournaments with ponder=on, analysis with 2 >engines simultaniously and a few other non chess related reasons. > >I am at the moment running a Gauntlet with Deep Junior 7, where it uses 1 >processor and ponder=on, after that i will run the gauntlet over again, but with >DJ7 using 2 processors and ponder=off, mainly to see if it will do much better >or just a little bit better. > >It is true that DF not only refuses to use the 2nd processor, but sometimes even >get's slower with 2 processors than with one!! i have stopped using it all >together as SMP. > >Regards >Jonas Hi Jonas I am curious to find out the differences between ponder on and ponder off. In your tournaments; does the engine rankings and ELO spread change when ponder is turned on or off (ie. dual or single CPU)? How much is the ELO spread differences if any? Regards Art
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