Problem with really high overhead?

Unity Engine
1

In our first scene the main menu we are getting overhead percentages from 91 - 95 %:

NOTE: We are testing with the profile directing from an iPad air and not in editor:

Also In our second scene Level 1 the over head is about 45 - 81 % There is allot of Garbage Collection coming from Behavior.update and GUI.Repaint. We were wondering what these are exactly?

What are the best ways to tackle problems with overhead? Your help is appreciated.

2

I believe that overhead is overhead from using the profiler, which means that it should go away if you’re not using the profiler.

The alloc from GUI.Repaint is somewhat absurd - turn on deep profiling and browse to find out where exactly it’s comming from.

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