Xcode 7 iOS 9 Swift 2.0 Spritekit performance is slow

Question

I had a sprite kit based game running fine on iOS8, however when testing the app on the iOS 9 beta 5 and it is jerky and quite slow.

So I installed the xcode 7 and recompiled the app in swift 2.0, but it is still very slow and jerky.

Is anybody else having this issue? an ideas how to fix it?

Answer 1

Not sure if you were able to resolve your problem, but I've been experiencing a lot of lagging with Swift2.0 and XCode7 - smh (9/23/15)

Here is what I did:

1. Clean your derived data for your project. Not just the content but the folder that contains the Derived data;
2. Go to Build Settings;
3. Click All ;
4. Search for Whole (Optimization Levels should come up)
5. Check Fast Module Optimization for debug and release.

I am seeing a huge performance increase. However, I'm still testing.