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Question by slushieboy99 · May 14, 2021 at 09:48 PM · freezestuckdotsnativethreading

DOTS Jobs memory leak and game freezing

Hi all,

I just finished converting quite a large chunk of my code to DOTS jobs instead of the old threading system. I must be getting a memory leak, because on the second frame of runtime my game completely freezes. Unfortunately I can't find any way to debug this as the program complete freezes up. Does anyone know ways to debug this to see what's causing it to freeze?

Thanks!

EDIT: Most of the lag seems to be caused by GC.Collect. I'm not sure why the garbage collector is taking so long, has anyone run into this problem when using JobHandle.CompleteAll?

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Answer by andrew-lukasik · May 17, 2021 at 10:04 AM

This GC.Collect points to managed memory being involved in this problem - not the native one. So imo this problem occurs in-between the jobs, somewhere on the main application thread, when you're processing job results or scheduling new ones.


PS: native memory leaks won't freeze the application, they will crash it instead (parts of operating system in some cases as well).

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