Author: Peter Stahlhacke
Date: 06:34:46 12/13/99
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On December 13, 1999 at 04:36:26, Gunnar Andersson wrote: >I'm the creator of the engine in the Othello program WZebra and I'm curious >about how you obtained the figure 35%. Did you actually test it on a Coppermine >processor? > >I did some back-of the envelope estimates recently and came up with 0% in the >midgame and 5% in the endgame without any changes to the code, probably up to >10%, at least in the midgame, if the Coppermine provides lots of registers (> 32 >would be nice). (I'm a bit confused here, is the Coppermine the same thing as >the Merced/Itanium?) > >/ Gunnar Hupps! Gunnar you are right! I again put my old PIII-558 into Slot1 and found out that i get 445 kN/s (instead of 345) in the middelgame. (Wzebra2.0) In the same position i get 695kN/s with my PIII838.5E (oc 650), --> speedup 4% I also checked the other results from the chessprogs, and they seem to be ok. Peter
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