Re:Godot at GDC 2018
by Danieru on Sunday March 25, 2018 @11:12PM
(#16676337)
Unreal does use GC and it is the stop the world variety, yet unlike unity the GC has never even showed up for us as a problem. I cannot tell you why or how but Unreal just handles GC better than Unity. I am speaking from my experience of shipping a commercial game on console with Unreal. Maybe things are worse on mobile.
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The difference is going to be what type of objects generate garbage. In Unity, everything you instantiate has the potential to make garbage (because C#), but for UE, it’s mostly top level objects which don’t have a lot of churn.