Author: Sean Empey
Date: 14:33:12 05/25/04
Go up one level in this thread
On May 25, 2004 at 17:09:02, Matthew Hull wrote: >On May 25, 2004 at 05:48:02, Sean Empey wrote: > >>No, it is not a clone of crafty. I will tell you that it does use Dan Corbit's >>big book and crafty's book code, and the same egtb code that is used in crafty >>18.15. Other than that not much else is from crafty. Oh some of the Print >>functions I referenced are from crafty 16.x if memory serves correct. Storm is >a >SMP engine and uses a completely different algorithm for its search eval. It >>uses ABDADA.I have offered portions of code to Professor Hyatt but on the >terms >it not be published or used by him or others. My move generator >functions are >completely different and I can not go into detail regarding them >as some of the >code came from a professional programmer (at least the >approach) on the >condition I not release that code ever. Because a program has >similar evals does >not make it a clone. If I wanted to clone crafty I would >not have been working >on Storm for years; actually starting about one year >before CCT1. As I have told >Professor Hyatt. I am not cloning crafty. We have >talked and he is fine. Any >other questions someone may have; I'm willing to >answer them to the best of my >ability. I would appreciate ad hominems and >other unnecessary comments not be >made as I have stated I'm willing to back-up >my claim. > >Hi Sean, > >A question about SMP. Does Storm use threads or processes when splitting the >search? Which do you think is most effective? >Thanks! > I use ABDADA, which I learned from an ICCA publication. You can find info here: http://www.recherche.enac.fr/~weill/publications.html There is no communication between threads. Just a shared hash table and it's pretty easy to implement. I have been happy with it. It may not be the best for SMP machines. Professor Hyatt says nothing beats a perfectly implemented PVS. He may be right. > > >> >>Thank you >>Sean Empey
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.