Author: Ricardo Gibert
Date: 09:46:24 05/30/05
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On May 30, 2005 at 11:32:48, Bo Persson wrote: >On May 30, 2005 at 06:16:02, Joost Buijs wrote: > >>40 mln nodes /sec. is for the old Hydra-Chimera. >> >>The new Hydra-Scylla is much faster. I saw it run at 130 mln nodes/sec. on >>several occasions. So the speed of Hydra is roughly comparable with the speed of >>Deeper Blue. > >That's not an accurate comparison. Deep Blue's 200M nodes/s where an average >number. It was seen to peek at 1 billion nodes/s "on several occations". Average 120M NPS Practical Peak 200M NPS Theoretical Peak 1B NPS You will conflicting information on this even in his book, but the above is correct as per Hsu. > >> >>The search of Hydra is much more advanced. The software part of Deep Blue was >>probably nothing more than a souped up version of GNU-Chess. > >The Deep Blue teem chose not to complicate the search too much, because their >speed advantage was big enough anyway at the time. > > >Bo Persson
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