Author: Tony Werten
Date: 05:20:26 07/26/00
Go up one level in this thread
On July 26, 2000 at 01:35:40, Ed Schröder wrote: >On July 25, 2000 at 19:45:11, Dave Gomboc wrote: > >>On July 25, 2000 at 17:29:34, Ed Schröder wrote: >> >>>On July 25, 2000 at 16:54:39, Alvaro Polo wrote: >> >>>>I worked for IBM as a scientist at the IBM Scientific Center in Madrid. I would >>>>very much more trust Hsu's number than "official IBM" numbers. PR's and >>>>marketers at IBM are not stupid people (my father was a country general manager >>>>there), they are on the contrary very intelligent, but they don't care that much >>>>about scientific exactness in documents directed to the general public. They >>>>probably wouldn't understand very well, for example, why the difference between >>>>256 and 480 processors is significant. >>>> >>>>Alvaro >>> >>>With all respect to your opinion I believe that P/R people very well >>>understand the value of numbers. If they don't they would do a very >>>poor job which I find hard to believe. >>> >>>Ed >> >>That was quite a statement from Alvaro. :) >> >>In any case, DB2 had 480 chess processors, not 256. >> >>Dave > >Sigh. From the IBM pages again: > > "The latest iteration of the Deep Blue computer is a 32-node > IBM RS/6000 SP high-performance computer, which > utilizes the new Power Two Super Chip processors > (P2SC). Each node of the SP employs a single > microchannel card containing 8 dedicated VLSI chess > processors, for a total of 256 processors working in > tandem. The net result is a scalable, highly parallel system > capable of calculating 60 billion moves within three minutes, These numbers are strange. 20 Lines above they state that they can search a maximum of 200M/s. Maybe not so scientificly correct. > which is the time allotted to each player's move in classical > chess." > >It says 256 processors. The URL: > >http://www.research.ibm.com/deepblue/meet/html/d.3.2.html > >Then look at the logo, it says the re-match. So 256 processors. If they think 200M/s is the same as 60B/3 min, then 256 is exactly the same as 480. Tony > >Ed
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