I do not doubt itWell that is a concern too but when it comes to even the iPhone 4 apps and games do not get all of that ram in the system, in fact I'm pretty sure they don't get more than 64MBs unless it's an app that only runs on the iPad or iPhone 4 for example. Do you think the freedom of using all of the Pandora's ram helps? Speaking of which I was wondering if Virtual Memory helps games and apps work better or is it painfully slow?
I doubt any iPhone 3GS or better is limited to 64MB. The OS probably does use too much memory (although if you really want to see a flagrant example check out the OS on Blackberry Playbook, which uses over 512MB at startup!) but I doubt it uses that much. Surely you can get over half of it.. by the way, iPhone 3GS had as much memory as the first iPad, 256MB.
Virtual memory is definitely too slow to use for a program to have a working set of > 256MB, but it could be used to prevent programs from running at all. You just have to be careful when enabling it.. Most people probably won't be doing a bunch of extra stuff simultaneously, but if for some reason you leave a web browser with a bunch of tabs running it won't kill your memory supply.
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