Author: Vincent Diepeveen
Date: 10:25:01 06/29/02
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On June 29, 2002 at 12:30:05, Roger D Davis wrote: >I see Diep is running on some incredible hardware for Maastricht. How does >today's Diep compare against Deep Blue? it will be answerred. Note that the last 13 years not a single supercomputer won a world title, including deep blue (which never won under the name deep blue a world title. Instead it lost in hong kong and drew a few horrible games too). Comparing 2002 software with Deep Blue is of course insane in itself, because the progress, especially algorithmically and weakest chain from a program has progressed a lot. For example Deep Blue had 4000 hand given in bookmoves by a grandmaster, the rest was a random book. Any serious program of today has more like 100000+ hand tuned bookmoves, majority of them top grandmaster moves which have proven themselves, as well as refutations of pretty recent lines. I would be pretty amazed if in the top10 of the world champs a program would end which has a hand tuned openingsbook of 4000 moves or less (of course using after that a database is something else). Remember a very old pc, P90 could beat deep blue in 1995. Imagine what happens nowadays. The 1997 version was not so much faster in nodes a second than the 1995 version, especially when taking their branching factor into account. The machine where the pc programs join at, at the wcc will be if i assume correct a dual k7, as no other PC is that fast at the moment. Despite rumours, of course dual K7 is a lightyear faster than a dual P4. Because *everyone* knows the name deep blue, this comparision will be made of course clearly. Best regards, Vincent
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