4k4's Activity |Apple Developer Forums

cfromns in SpriteKit11 months ago (Show more)

I don't recall the sample SpriteKit and SceneKit (Hello World and rotating jet plane) projects requiring so much memory prior to iOS 12. Using Xcode 10.0, memory debug indicates requirements of 73.9MB and 63MB respectively for these example projects. My app assigns an overlaySKScene to a SCNView; so its memory requirements are much higher than… (Show more)

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4k4 (to MildaGenius) 6 months ago (Show more Show less)

Hi cfromns, MildaGenius, It's likely that your SceneKit, SpriteKit and Unity apps are using the same amount of memory that they were in iOS 11 but it is being accounted for differently in iOS 12. Check out this article to understand your memory footprint and techniques to use memory efficiently to prevent jetsam.…

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EdenGames in iOS 12 beta12 months ago (Show more)

Apps takes a lot of more memory in ios12

Hi, we have some memory issue with the ios12 beta 12. We use Unity as game engine. Our game use a large ammount of memory (around 550mo on ios11). We test our game on ios12 and we can no more launch some part of the game because our game came above 650MB so it crashs on 1GB device (iphone6 for example). So we have made some memory test. … (Show more)

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4k4 (to Claude31) 6 months ago (Show more Show less)

Hi EdenGames, sannyasi, It's likely that your app is using the same amount of memory that it was in iOS 11 but it is being accounted for differently in iOS 12. Check out this article to understand your memory footprint and techniques to use memory efficiently to prevent jetsam.…

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foobar in Metal7 months ago (Show more)

Why does a MTLHeap texture use *so much more* memory than a device allocated texture?

Why does a MTLHeap allocated texture use so much more memory than a device allocated texture? Taking a 1080x1920 (+mipmaps) texture allocation: device: ~11MB heap: ~21MB It's even more out of control when you're allocating an 4xMSAA buffer for an iPhone X sized display. A view of 1125x2172 pixels takes: heap: 128MB device: 40MB … (Show more)

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4k4 (to foobar) 6 months ago (Show more Show less)

Thank you for the bug report foobar. Although this doesn't address the internal padding mentioned above, I think you'll find this article helpful for understanding memroy usage and reducing the memory footprint of your Metal apps in general. …

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