Author: Joshua Lee
Date: 06:03:49 10/10/00
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> >You will have to rephrase your question a bit. But to help, if you meant >"can crafty on the quad xeon play with Cray Blitz on the T90?" the answer >is _NO_. CB on the T90 runs at around 7M nodes per second, about 7X faster >than the quad xeon. I wouldn't want to play such a handicap match. > >On the other hand, if you mean "Can Crafty, on the best box you can get today >play with CB on the T90?" the answer is yes. I have some data from Tim Mann's >21264a machine which is about as fast as my quad xeon, but using a single cpu >at 667 mhz. A 16 cpu machine would be faster than Cray Blitz. And I would >expect it to win more than it would lose, although I think it would be pretty >close. Great that answers that question to recap singular extentions, King safety, selectiveness near the leaf positions in CB , while crafty probably has more positional(particularly endgame) knowledge. What do the Vectorizable algorithms do? What were the NPS of crafty in later years? I know there were several Cray versions but thats about it. I think another good question is if the two were on compareable systems which isn't likely do to cost (if i get a multi-cpu alpha i'll let you know) would the two be fairly equal maybe 45% for crafty? Lastly What has been the most difficult thing for you to put into crafty or CB, what are your plans with crafty, What can't you put into it? I ask this one because i know there are certain things in chess computers don't understand and i know that when botvinnik was working on his computer it was difficult to translate his ideas... Thanks again for your time i could talk your head off.
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