It always feels good to know what Apple has rolled up its sleeves, that`s why developers dig inside iOS files hoping to stumble upon something great, and what they discovered truly is interesting. 

Hidden deep inside the latest iOS 5.1 beta is updated processing-core management software that supports both dual-core processing enabled by A5 iPhone and iPad chip as well as quad-core processing. The references to quad core iPhone and iPad chips show in a hidden panel that describes cores supported by iOS device hardware.

9to5Mac explained how the core 3 is reference to quad core:

The updated core-management software includes an option of “/cores/core .3,” A single core device would be limited to ”/cores/core.0,” and a dual-core device would come in at ”/cores/core.1.” A “core.2″ (which is not referenced in iOS code) would be a triple-core processor according to this labeling method. iOS 5.1 beta 2 now includes core.3, a seemingly quad-core chip from Apple. Below, you can view a comparison between the pre-iOS 5.1 beta iOS core management software and the iOS 5.1 beta version. The dual-core A5 chip, on the bottom, has the “core.1,” and the quad-core chip, on top, supporting iOS 5.1 beta is marked with the “core.3.”

Since Apple is currently testing the third –generation iPad which is rumored to support quad core processors,it`s only natural to see references to quad core chips in the iOS 5.1. Apple started with a single core chip in 2010 moving on to dual-core in 2011.A quad core chip in 2012 would fit the pattern.


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