Author: Robert Hyatt
Date: 11:06:46 08/21/02
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On August 21, 2002 at 11:30:02, chris larson wrote: >I thought the last IBM setup that Kasparov played (and lost to) was called >"deeper blue". Now everyone seems to be referring to it as just "Deep Blue". Is >it not true that deeper blue could assess approx 1 billions n/s compared to the >predecessor deep blue's rate of about 200,000 n/s? It was really always "deep blue". Hsu refered to the 1997 version as DB2 because the chess chips were new designs, distinct from the chips used in the 1996 DB. DB2 could do over 1B nps _peak_. But it rarely hit that for reasons I have explained in the past, dealing with balancing the speed of the SP2 against the speed of the chess chips. Hsu wrote that it averaged about 200M nps in 1992.
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