Author: Chuck
Date: 05:29:09 08/27/05
Go up one level in this thread
On August 25, 2005 at 07:24:46, Gian-Carlo Pascutto wrote: >On August 25, 2005 at 07:22:51, Chuck wrote: > >>On August 25, 2005 at 07:09:29, Günther Simon wrote: >> >>>On August 25, 2005 at 06:37:21, Mark Mason wrote: >>> >>>>Gian-Carlo, >>>> >>>>Thanks for your comments. 2 kinds of results: >>>> >>>>a) It is quite often coming out of the opening already down on score, and then >>>>seems to struggle to catch up. I'm using the standard Shredder.ctg that came >>>>with the software. Are there improvememnts to this opening book that I could try >>>>? >>>> >>>>b) fairly even until late middle game/start of end game, but then seems to go >>>>downhill as time stats runninjg out. I have 4 man Nalimovs loaded, and am going >>>>through loading 5 man tables, but only have a few on at the moment. Maybe this >>>>is making a difference ? >>>> >>>>Any thought about changing default engine parameters ? >>>> >>>>Thanks, >>>> >>>>Mark >>> >>>Post one or 2 games including depth/eval/time which show what you mean >>>and we will know a bit more. >>>(your hash setting is no prob and Shredder is much slower in nps than Fruit, >>>not sure though, if the relation is really ~3:1 normally) >>> >>>Guenther >> >> >>I have noticed when playing Shredder 9 UCI in the chessbase GUI that in engine >>matches Shredder 9 will often take 15-50 seconds or so before it starts >>thinking. I say this because that's when the first line of analysis displays and >>it is at a low (starting) depth. This pause is also the reason for the low nps >>display, after the 1st 30 seconds, 0 nodes have been evaluated. On my 2000 (2.4) >>GHz Athlon, Shredder 9 UCI gets generally about 320-360 Knps. I haven't tried to >>solve this problem, but I did not it's impossible to play game in 1' or even 5' >>with this kind of lag. :0 > >Sounds like too large hashtables that are being swapped to disk. > >-- >GCP Yes, after posting my last I did look into it and that may be the case. It seems that even if you specify only 8 MB hash tables for Shredder 9, it still eats up about 100 MB when it loads (being the UCI version and not the native CB version). Having a few other apps open was probably pushing the machine above its 512 MB of physical memory. Chuck
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