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Article:
  What Is Preview (and Why You Should Use It)
Subject:   Why so inefficient?
Date:   2005-08-01 07:32:22
From:   frankie1969
Response to: Why so inefficient?

CoreImage doesn't use raw G4 code, it calls Apple's SIMD libraries. Those libs support G4 Altivec and now also x86 SSE instructions.


Altivec beats SSE3 silly in a lot of tasks, but SSE still whomps G3 in turn.


http://developer.apple.com/hardware/ve/summary.html