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To: dybdahl who wrote (119179)11/25/2000 1:45:47 PM
From: Tenchusatsu  Read Replies (3) of 186894
 
Dybdahl, <There are many types of calculations out there, where you can choose between a very precise Floating Point version and an approximate SSE2 version.>

I thought SSE2 supported full IEEE-1394 floating-point. You must be thinking of 3DNow, which uses "approximate" floating-point because of its focus on games and other non-scientific applications.

<Toms Hardware chose a DVD encoding benchmark for testing P4 against Athlon, and chose an SSE2 method to do this first, but after some external input he changed his mind to use Floating Point, because the results were better.>

Wrong. Tom originally used MMX encoding, not SSE2. Here's the link to the e-mail sent by one of Tom's readers:

tomshardware.com

I think Tom will change his tone once his beloved MPEG4 decoders start supporting SSE2, along with other software. Right now, all the AMDroids can do is deny that anyone will ever support SSE2.

Tenchusatsu
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