Author: Ricardo Gibert
Date: 20:47:12 05/24/05
Go up one level in this thread
On May 24, 2005 at 20:45:48, Vincent Lejeune wrote: >On May 24, 2005 at 17:13:45, Dann Corbit wrote: > >>On May 24, 2005 at 16:16:35, Ricardo Gibert wrote: >> >>>On May 24, 2005 at 14:57:25, Dann Corbit wrote: >>> >>>>On May 24, 2005 at 14:51:01, GuyHaworth wrote: >>>> >>>>> >>>>>Channel 4 TV has a story that Michael Adams is to play HYDRA in a 6-game match, >>>>>? in London next month. >>>>> >>>>>"The smart money's on the chip, which is 6x more powerful than DEEP BLUE". No >>>>>reference to Adams tailing off badly at the Mtel event. >>>> >>>>Deep Blue hit one billion NPS (with full eval) peak and 200M NPS sustained. >>>>6x that would be 1.2 Billion NPS sustained. >>> >>>There is contradictory information on this. Hsu was finally pinned down on the >>>issue and it turned out that the 1 billion NPS figure is a theoretical peak. The >>>200 million NPS figure is the practical peak with 120 million NPS the sustained >>>figure. Of course, it is the latter figure that is most useful, but the 1 >>>billion figure was tailor made for hyperbole. >> >>At 120M NPS (about 1000 times faster than Shredder on a 2.2 GHz machine) >>Six times that would rate at 720,000,000 NPS sustained for Hydra. Certainly, >>this would be rather impressive if it were the correct figure. >> >>If doubling the speed gave one more ply, it would be 12 plies deeper than what >>my machine can perform. >> > >If my memory serve me well (it's not sure ;o) ), from operator chat on playchess >: "hydra do 400,000,000 N/S : 200 M/S in 32 CPU + 200 M/s in 32 FPGA" Given the estimated Deep Blue EBF of 4, that should be at least an order of magnitude greater of what is needed to overtake Deep Blue depth-wise. > >>>>>Mmm: I guess the usual discussion will start but this seems hype to me. >>>>>However, it confirms that the 'DEEP_BLUE' is still taken as the 'SI unit' of >>>>>computer chess. >>>> >>>>It's the stuff that legends are made of.
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