Author: Robert Hyatt
Date: 21:40:53 09/24/01
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On September 24, 2001 at 23:45:30, Dave Gomboc wrote: >On September 24, 2001 at 22:30:26, Vincent Diepeveen wrote: > >>Hello, >> >>Here written down speedups as claimed by a guy called R. Hyatt >>by cray blitz for 24 different positoins as they occured in >>a game: >> >>pos speedup >>1 2.0 >>2 2.0 >>3 2.0 >>4 2.0 >>5 2.0 >>6 2.0 >>7 1.9 >>8 2.0 >>9 2.0 >>10 2.0 >>11 2.0 >>12 1.9 >>13 1.9 >>14 2.0 >>15 2.0 >>16 1.9 >>17 1.7 >>18 1.8 >>19 2.0 >>20 2.0 >>21 2.0 >>22 1.9 >>23 2.0 >>24 2.0 >>avg 2.0 >> >>So YOU, Robert Hyatt, claims in an OFFICIAL magazine, >>called ICCA journal march 1997, >>an AVERAGE speedup of 2.0 with cray blitz at 2 processors. >> >>Now i claim the same with DIEP if i'm not using dangerous >>extensions (which btw are turned on by default). >> >>It appears you hadn't turned them on either (smart guy >>to publish only speedups without dangerous extensions and only >>tell in 2001 that you hadn't turned them on). > >2.0 isn't a problem, it's >2.0 that gets people up in arms. > >Dave It isn't even 2.0... I don't have the paper handy now but I seem to recall that it was 1.9. Certainly it isn't 2.0 just by inspecting the numbers he gave... And the 4 8 and 16 processor tests were worse. But comparing them to crafty is very hard because of the different approaches to almost everything from move ordering to search algorithm...
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