Author: Terry McCracken
Date: 11:11:21 05/17/02
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On May 17, 2002 at 14:06:54, Mike S. wrote: >On May 17, 2002 at 09:41:13, Terry McCracken wrote: > >>What? What systems are those? First generation Pentiums and earlier? Yes those >>systems didn't support MMX, but from Jan. 97 Intel chips did incorporate MMX >>technology. >> >>So by that logic, why wasn't there a Fritz 6 (No MMX)? > >AFAIK there was no need for a Fritz 6 (NoMMX), because F6 and earlier versions >didn't use MMX technology anyway. In other words, it didn't matter if the >computer supported that or not. > >AFAIK Deep Fritz (6) was the first Fritz which utilized MMX CPU registers. Here >in CCC, Frans Morsch was quoted saying that Fritz 7 uses those registers for >bitboard operations. > >Fritz 7 (NoMMX) ensures that users of old "No MMX"-CPUs have a strong engine >available with the Fritz 7 software, too. > >I would prefer to be able to use the NoMMX engine, without hacks, in the Fritz 7 >GUI (too) also on MMX CPUs... but in this case, users of newer CPUs would get 2 >Fritz engines, while users of very old CPUs get only one engine and might >complain. But I don't know if that idea was the reason. I can use both, because >I've kept the Hiarcs 7.32 GUI as an alternative. :o) > >Regards, >M.Scheidl It's all making sense now thanks! Terry
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