Author: Slater Wold
Date: 00:05:02 11/14/01
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On November 13, 2001 at 18:03:18, Robert Hyatt wrote: >On November 13, 2001 at 15:37:52, Slater Wold wrote: > >>On November 13, 2001 at 13:02:34, Joshua Lee wrote: >> >>>I have seen many argue this point weather or not DB had much in the way of >>>intellegence which makes no sense do you really think that IBM would risk just >>>having a node cruncher? Don't you think that Someone on the DB team would >>>explain how there are many positions where brute force wouldn't work even if >>>every cpu in the world were connected together? >>> >>>What technigues Can be used together and on micros? Has anyone tried to make >>>their program more like this enigma? >>> >>>Here's what i found: >>> >>>sophisticated quiescence search >>> - endgame heuristics >>> - a few small endgame databases >>> - position repetition detection >>> - calculates mobility >>> - evaluates space >>> - close to 50 tables to evaluate a chess move >>> (implied that this includes: >>> piece square tables >>> pawn bitmaps >>> open file >>> coefficient updates after each move (incremental evaluation) >>> >>>Deep Blue can recognize (in hardware) approximately 6,000 >>>chess-specific features >> >>DB's features were 75% hardware and 25% software. >> >>With a micro, they have to be 100% software. >> >>Hence the catch on trying to make something "like" it. >> >>DB was the last chess "super computer". Chess software is made to make money, >>or as a hobby. Chess hardware is made to spend money, and lots of it. >> >>Although DT I only cost about $5,000. Less than *most* servers now. A LOT less >>than Hyatt's quad 700. (A 700mhz Xeon CPU is about $1,300 right now. That's >>$5,200 just in CPU's.) > > >My total machine is worth about $10,000 now. We just bought another one >identical to my machine to use for our departmental file server. Only >difference it that the new one has 6 36 gig 10K scsi drives and a raid-5 >(hardware) controller. The chassis is now under $2K. $5K for the processors, >a couple of hundred bucks for 512mb of RAM, and then the disks of your choice >will give you a quad for under 10K. I don't know if Intel has released any >quad 900 or quad 1000 certified processors. They will work in this chassis >when/if they do. They have released certified 900mhz Xeon's. But they are almost double what the 700's are. Even with inflation from when DT was made, it still wouldn't be $10k.
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