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Technology Stocks : Intel Corporation (INTC)

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12:35 PM EST

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To: Larry Loeb who wrote (5425)	11/18/1996 8:01:00 PM
From: Anthony Mascarenhas	of 186894

Hi Larry, Just thought I'd take a swag at it (Am by no means as knowledgeable as Paul when it comes to processors). There are two issues mentioned 1. Interleaving (NOT Mixing) floating point and MMX instructions would result in slower performance. a. Most of the code dealing with MMX instructions would reside in libraries. b. The URL pointed to in the document describes how to best modifiy applications for optimal performance (with regards to Integer, and floating point). Integer operations will not have any effect. Given a and b above, It would take a lousy programmer to write applications which degrade performance and nobody would buy his/her application. Bad programming is possible even today (Just look at Microsoft! -- being facititious) so the MMX does not add anything new. 2. Applications can cause floating point errors if "it forgets to context switch" That's a problem in the application. Will not happen with well written libraries. Also the Operating system (Priviledge levels) prevent this from happening. Tried to answer this in the least possible non-techno language. regards Anthony

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