Author: Robert Hyatt
Date: 06:43:52 01/05/99
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On January 05, 1999 at 01:18:15, Jouni Uski wrote: >On January 04, 1999 at 18:01:21, Robert Hyatt wrote: > >>On January 04, 1999 at 02:56:46, Jouni Uski wrote: >> >>>There is something wrong in hash with Wcrafty 16.2. When I increased hash from >>>3 MB to 6 MB NPS goes about 20 % lower and also times to certain ply level were >>>increased. This makes no sense - and please don't speak about hard disk swapping >>>I have enough RAM - this isn't the reason. >> >> >>try more positions. This is not uncommon. First, hashing should not affect >>NPS in any form. But it can and often does affect the "quality" of the search. >>And that "quality" might be in the form where the search (say to 10 plies) >>takes longer than before, but the search result has as much information as a >>full 11 ply search without the hashing. >> >>Or feel free to post a couple of positions where you thing something is wrong >>and I'll certainly look at them carefully. 16.2 had a rewrite of the hashing >>code so something _could_ be wrong of course... > >After more testing everything seems to work correct! Sorry Bob. >Crafty is now up to cemmercial programs in endgames (without TBs), but tactical >speed is mediocre (at least in my P90). >Two minor bugs in 16.2: >1) "d" doesn't display ascii board what happens? I get a normal display when I do this... >2) maximum search depth is always 32 this I can't explain. I just ran fine.70 and stopped it at depth=37... are you running it as a fritz engine or something???
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