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To: Dan3 who wrote (73239)	5/18/2001 9:34:30 PM
From: SBHX	Respond to of 93625

Dan3, My guess : AMD would have liked to support SSE, so would via. But Unlike MMX, intel never licensed SSE to anyone early in the design cycle. They were so paranoid about SSE that they kept one last instruction --- the sum absolute difference one (for motion estimation of mpeg encoding) secret from even their most trusted ISVs for a long time for fear that someone will clone it. SSE used to be called MMX II. MMX was widely available to everyone and AMD implemented it (poorly at first). This is why MMX applications are so widely adopted now. But as extensions to x86 instructions, they did not do the industry a favour by keeping SSE proprietary. SbH