Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Fritz7 (No MMX)

Author: Terry McCracken

Date: 11:11:21 05/17/02

Go up one level in this thread


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



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.