Author: m.d.hurd
Date: 11:49:04 09/28/99
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On September 28, 1999 at 09:39:08, Bertil Eklund wrote: >On September 28, 1999 at 08:54:53, Enrique Irazoqui wrote: > >>On September 28, 1999 at 08:40:06, Shep wrote: >> >>>On September 28, 1999 at 06:49:54, Bertil Eklund wrote: >>> >>> >>>>If H7.32 is weaker then H7.01 my guess it´s because of the table-bases that >>>>slows it down a lot in the endgame. If you have played both versions I guess you >>>>should have recognized it immediately. >>> >>>I wouldn't say it gets slowed down "a lot". I have never seen Hiarcs drop below >>>its usual middle game node count even during heavy tablebase access. >>>Maybe it would be faster without them, but certainly not to the point where it >>>is actually harmful. >>>If TB usage is indeed counterproductive, it is probably not related to decreased >>>search speed. >>>Example: FIN09 from Louguet II. Hiarcs 7.0 solves this in 18 minutes on my >>>P6-233 while 7.32 cannot solve it in 40 minutes! Yet this is a position where >>>a) Hiarcs does not slow down to a crawl (although it does probe them >>> a lot more than e.g. Nimzo) and >>>b) tablebases are quite useful IMO >>> >>>Besides, if indeed 7.32 plays weaker than 7.0 in general, it is definitely not >>>tablebase-related; for example in my recent big tournament, there were only two >>>games where Hiarcs ever probed the TB's, and neither of them was anything but a >>>draw anyway. >>> >>>--- >>>Shep >> >>I think that H732 is stronger than H701 (so does Mark), even if only because >>it's faster. But it also knows a bit better. I didn't notice significant slower >>searches when accessing tablebases, maybe because I copied them to disk. >> >>Enrique > >Hallo! > >I have them on my disk but I can see the nps go down from say 90-100 to 50-60, >it´s not that much but significant I think. > >Regards Bertil SSDF Could this have anything to do with the TB cache being set to low in the ini file ? Regards Mike Mike@hurd.swinternet.co.uk
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