Editor Way Laggy When in Play Mode on New MacBook Pro

Question

Unity Editor works fine until I enter play mode. Then it becomes incredibly laggy regardless of what is in the scene. In a new scene with no geometry or logic running it is still laggy.

Why would this be the case? My thoughts are that it's either Unity is having issues with an Intel Iris Graphics card or that the card is the issue.

Unity works fine outside of play mode. Not sure what to make of it. How does Unity use the card different when in play mode? What could be the issue?

I've searched and only been able to find an answer for pc, where they say to force unity to use open gl. My understanding is that Mac only uses open gl. so doesn't seem to fit. Am I wrong there?

I'm running:

macOS Sierra 3.3 GHz Intel Core i7 Intel Iris Graphics 550 1536 MB.

I have build settings on on Mac OS X _x86_64

Any help would be appreciated. Thanks!

Answer 1

Answer by dl_studios · May 03, 2017 at 10:57 PM

Weird. I went to Quality Settings, toggled off Anti Aliasing and it suddenly worked with no lag. I toggled Anti Aliasing back on and lag did not return. Very weird. I've dealt with the lag for two days and now it is gone suddenly. While the issue is resolved for me for now it still begs the question what is going on?

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akduy · Jun 12, 2020 at 01:46 AM 0

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I faced the same problems and your solution has worked for me! Thanks

Answer 2

Answer by Brian-Santos · Mar 19, 2018 at 04:46 PM

Unity seems to in fact be on drugs. I randomly started having a huge 1-2 seconds lag in the editor, could barely even click the buttons. Restarted my computer and all, lag was still there. I disabled all components in my Hierarchy, reenabled them, and now the lag is gone. ???

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Editor Way Laggy When in Play Mode on New MacBook Pro

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