Author: Ricardo Gibert
Date: 00:15:33 05/31/05
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On May 30, 2005 at 12:46:24, Ricardo Gibert wrote: >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 [find] >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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