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Old Oct 24, 2006, 02:13 PM   #1
macusersoon
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Mac OS X Tiger Now Enhanced for Intel Core 2 Duo

I was surprised to read the following:

Mac OS X Tiger Now Enhanced for Intel Core 2 Duo
"Apple has enhanced Mac OS® X to take advantage of the technology advances from Intel’s Core 2 Duo processors, resulting in increased performance in professional applications like Aperture™ 1.5, Final Cut Pro® 5 and Logic Pro 7"

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What did Apple do to enhance Mac OS X for the Core 2 Duo chips?
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Old Oct 24, 2006, 02:26 PM   #2
ksz
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Very interesting find. While I don't know what Apple did, it is likely that they recompiled some of the Core Libraries to take advantage of the Core 2 architecture. Compilers that optimize code for a particular processor architecture can render significant performance increases not unlike the 39% that Apple is quoting. While I have to see the benchmarks myself to judge the merit of Apple's claim, it is quite possible for code optimization to render such large improvements.
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Old Oct 24, 2006, 02:39 PM   #3
mkrishnan
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I'm curious, too. I'm guessing it really just means that elements of Tiger were re-compiled using an optimized compiler for C2D from Intel. I don't understand all the subtleties of the difference between the Core architecture and the pre-existing architecture that Core Duo used, but I'm guessing there are probably advantages for large memory manipulations and so on?
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Old Oct 24, 2006, 03:38 PM   #4
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Hopefully Apple will publish some details on the "enhancements". I'm eager to know what they are.
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Old Oct 24, 2006, 04:10 PM   #5
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It will probably have apps compiled to use the 64-bit features of the cpu. On the Core 2 Duo you a nice little speed boost just by using the 64-bit instruction set and its extra registers
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