Author: Steffen Jakob
Date: 06:59:04 07/24/02
Go up one level in this thread
On July 24, 2002 at 09:50:24, Uri Blass wrote: >On July 24, 2002 at 09:36:33, Slater Wold wrote: > >>On July 24, 2002 at 09:11:54, K. Burcham wrote: >> >>> >>> >>>I am curious how you look at operating systems and the chess software we use, >>>in relation to limitations due to hardware speed increases. >>> >>>do you think the operating systems as we know them can handle the speed >>>increases we will see over the next few years. I would think that there is some >>>sort of limitation that the current operating systems could handle when pushed >>>running a chess program at greater speeds. >>> >>>also the same for chess programs. can the chess code, the way it is written >>>today, function without errors at greater speed increases. what do you see is >>>the limitation of our chess programs when it comes to hardware speed increases? >> >>The only thing I will say on this topic is that I know when *some* engines are >>getting 10M+ nps SEE and null move are going to back fire. > >I do not know it. > >null move without detecting zugzwangs is going to back fire at some speed >but we are not close to that speed. > >I do not believe that with 10M nodes per second null move is going to be counter >productive. > >> >>Of course, some programs like Rebel don't use null move, so they will be >>unaffected. > >I remember from previous post of Ed that the latest Rebel use null move pruning >and null move pruning is more productive at long time control(exactly against >your intuition and the intuition of the deep blue team). > >I believe that today Junior is the only top program that does not use null move >pruning. From the "CSS Sprechstunde" with Christophe Theron: "Eduard Nemeth: Is The Tiger nullmove free (genius is)? Stimmt es, dass der ChessTiger nullmove -frei ist, wie zB. der Genius? CT: Null move is not the major selective search algorithm of Tiger." see also http://www.computerschach.de/sprechstunde/archiv/theron1e.htm Greetings, Steffen.
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