Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 19 Jan 1998 17:40:16 -0800
From:      Amancio Hasty <hasty@rah.star-gate.com>
To:        hykel@yoda.eng.hou.compaq.com (Richard Hykel)
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: what does MMX mean? 
Message-ID:  <199801200140.RAA00387@rah.star-gate.com>
In-Reply-To: Your message of "Mon, 19 Jan 1998 11:38:07 CST." <m0xuL9E-000AwZC@yoda.eng.hou.compaq.com> 

next in thread | previous in thread | raw e-mail | index | archive | help

It may be worthwhile to explore the MMX instruction set for
network checksum algorithms or error correction algorithms.

	Cheers,
	Amancio

> I have already replied to Archie, but perhaps the list might be
> interested in this part also.
> 
> ---------------------------------------------------------------------
> 
> According to the FAQ from Intel's developer website,
> http://developer.intel.com/drg/mmx/Support/faq.htm,  MMX(TM)
> is not an acronym.  They filed for a trade mark world wide, and
> probably already received it in most cases.
> 
> But to answer what you really appear to be looking for, MMX(TM)
> is the trademarked name for the technology that is used to speed
> up matrix math.  There are new matrix math instructions and registers
> available on processors with MMX(TM) technology.
> 
> Check out http://developer.intel.com/drg/news/class3/sld031.htm
> and search their website for 'MMX' and 'matrix math'
> 
> The information that I found referenced integer operations only.
> 
> It appears that << Archie Cobbs >> wrote:
> > 
> > 
> > What, exactly, does MMX mean?
> > 
> > Does it mean the processor has NEW instructions for DSP type operations?
> > Does it speed up EXISTING instructions? Integer or floating point (or both)?
> > 
> > Thanks,
> > -Archie
> > 
> > ___________________________________________________________________________
> > Archie Cobbs   *   Whistle Communications, Inc.  *   http://www.whistle.com
> > 
> 
> ---------------------------------------------------------------------
> Richard Hykel                       Compaq Computer Corporation
> hykel@twisto.compaq.com             
> Disclamer: Opinions expressed are my own, not Compaq's.
> ---------------------------------------------------------------------
> 
> 
> 





Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199801200140.RAA00387>