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Mail Archives: djgpp/2000/01/09/16:56:35

Date: Sun, 9 Jan 2000 09:47:58 +0100 (CET)
From: Wilmer van der Gaast <lintux AT dds DOT nl>
To: djgpp AT delorie DOT com
Subject: Re: Is there any point in MMX?
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On Sun, 9 Jan 2000, Bas Hamstra wrote:

> About MMX: why does one hear so little about it? Could there be any
> speedgain for my chess app using MMX? Aren't there a couple of extra
> registers, which the x86 needs so badly?
MMX = Multi Media eXtensions.
It's meant for multimedia stuff, and it allows you to apply the same
calculation on, I believe it was 8 bytes, 4 words, 2 dwords or 1 qword,
simultaneously.
If your chess program does the same thing pretty often, you can use MMX,
but I don't think chess programs do that.


Greetings,

---------

Wilmer van der Gaast (lintux AT dds DOT nl)
ICQ 55707076

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