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So metal code be used for UI calls and could give the appearance that it is working faster but indeed it might be just about as fast. The render of a page would not interact with metal. Safari might interact with Metal if they are using it to render some of the graphics. I would say it is optimizations of the render engine inside safari. These are lurches forward in builds as there is a nightly build of the rendering engine since it is used all over the web. I also suspect that the whole OS has more of a RAM diet and this allows safari just a touch more resources. The iPhone 6 should have shipped with 2 gigs of ram to accommodate the beastly mess of iOS 8 but that is another story all together. I would say the iPad air 2 should see the best bump with iOS 9 as clearly the hardware was over kill for iOS 8. I look forward to a stable and clean release this time. I know that is probably wishful thinking though
It's possible that they're using it for GPGPU acceleration.
http://memkite.com/blog/2014/12/18/...lerate-on-iphone-6-5s-ipad-air-and-ipad-mini/
 
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Most of the time it is completely stutter free, except for a few instances where you do get one or two frame drops, especially if there are other tasks happening in the background & with notifications.
 
Most of the time it is completely stutter free, except for a few instances where you do get one or two frame drops, especially if there are other tasks happening in the background & with notifications.
Yeah I forgot to complete the reply I was asking about the 1-2 dropped frames that occurs when a notification banner comes up that's plagued iOS since they first introduced them. Was a lot worse pre-7, the screen flipover animation they used really killed performance in games. I'm curious has anyone with a Air 2 noticed these?
 
So metal code be used for UI calls and could give the appearance that it is working faster but indeed it might be just about as fast. The render of a page would not interact with metal. Safari might interact with Metal if they are using it to render some of the graphics. I would say it is optimizations of the render engine inside safari. These are lurches forward in builds as there is a nightly build of the rendering engine since it is used all over the web. I also suspect that the whole OS has more of a RAM diet and this allows safari just a touch more resources. The iPhone 6 should have shipped with 2 gigs of ram to accommodate the beastly mess of iOS 8 but that is another story all together. I would say the iPad air 2 should see the best bump with iOS 9 as clearly the hardware was over kill for iOS 8. I look forward to a stable and clean release this time. I know that is probably wishful thinking though


And for 2g ram in the new iPhones!
 
very true they might be. I know we have been told that they phone will now run longer and smoother. I suspect they have worked over time to plug up ram leaks. IOS 8 took a working iPad and made safari flash re-spring coming from iOS 7. That leads me down the ram bloat issue of iOS 8 that was not present in iOS 7 at the very end. I hope that not having a feature set release breathing down there necks they can go back and find all the little memory glitches and restore 1gig of ram service to iPhone 6 like it would have been in iOS 7
 
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I imagine that Metal would be very handy for heavy-duty apps like iMovie when exporting video (imagine exporting a 4K clip on the 6S?).
 
I imagine that Metal would be very handy for heavy-duty apps like iMovie when exporting video (imagine exporting a 4K clip on the 6S?).
I think the reason apple hasn't released a 4K camera yet is encase they either want to wait until it's more mainstream, or until they can it get right.
 
Apple say on iOS 9 hompage http://www.apple.com/ios/ios9-preview/

Faster and more responsive.
The apps in iOS 9 now take advantage of Metal, making more efficient use of the CPU and GPU to deliver faster scrolling, smoother animation, and better overall performance. Email, messages, web pages, and PDFs render faster. And multitasking features on iPad feel fluid and natural.
 
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