you can profile the memory using the tools on the ios simulator if you find the MobileSafari system service in the target list selection list when you have your mac selected as the target and ios sim open. from there just highlight the highlight and vm tracker, and you should see how many bars are used in the vm tracker.
iPad 1 256 RAM, ipad 2 512, ipad 3/4 - 1 ( , 650 ). , , ios , ( , , ).
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