Author: Uri Blass
Date: 15:52:10 09/24/03
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On September 24, 2003 at 18:00:09, Sune Fischer wrote: >On September 24, 2003 at 17:37:06, Uri Blass wrote: > >>>Of course it matters most when doing long analysis, not very important for blitz >>>games. >> >>How much it matters? > >Every tiny bit matters. > >>I read claims in the past that doubling the hash only gives 6-7% speed >>improvement and if you lose 1-2% from division then it may be important. > >Yes it is in that ball park probably. > >I don't think it's constant though, those 6-7% could be less in very fast bullet >games and more in long over-night analysis sessions. I am talking about long analysis. The question is if bigger hash tables mean always better branching factor or only in some plies when the behaviour of better branching factor stops after them. > >>The only way to know is testing and from my experience 1-2% speed reduction >>because of division is possible. > >It's crazy that they take so long. Other people may say that it is crazy to want to use always more hash tables. Uri
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