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Date:      Mon, 21 Jul 1997 09:48:59 -0700 (PDT)
From:      Doug White <dwhite@gdi.uoregon.edu>
To:        Joshua Fielden <shag@concentric.net>
Cc:        "Gary D. Margiotta" <gary@tbe.net>, Joe Diehl <joed@ptn.net>, freebsd-questions@FreeBSD.ORG
Subject:   Re: [Nevermind: System Rebooting when starting X]
Message-ID:  <Pine.BSF.3.96.970721094753.1259C-100000@localhost>
In-Reply-To: <33D188E5.E8F24625@concentric.net>

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On Sun, 20 Jul 1997, Joshua Fielden wrote:

> Doesn't MMX use <I'm not a chip engineer, don't flame me for terminology
> :-) > opcodes and/or instructions that were previously reserved for
> FLOPs, therefore having to do context-switching at a very slow speed to
> do any FPU-intensive operations? I had a friend who ran Quake on a
> P200-MMX, and said it ran faster on his P-133. <Quake is one of the few
> games that uses complex FLOPs to achieve it's results> Please gently
> correct me if I'm wrong, but wouldn't that make MMX non-optimal for most
> BSD apps?

It depends on your application, I would guess.  One thing that isn't
mentioned on the MMX is that the level 1 cache has been increased from 16
to 32 kbytes, which is a gigantic win for most applications. 

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major
Spam routed to /dev/null by Procmail    | Death to Cyberpromo




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