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Question by Stonecliff · Mar 17, 2016 at 10:34 PM · scene-loadinglagloadlevelloadlevelasyncspike

SceneManager.LoadSceneAsync causes lag spikes, how to make background loading less CPU heavy

Title says it all, recently upgraded to unity 5.3 for the new scene manager, the gist is im trying to load the levels in the background so i can have animations play during the changeover but SceneManager.LoadSceneAsync causes lag spikes and stuttering when first initiated, usually for less than a second but its quite noticeable, the method im using is to initiate loadlevelasync but set allowSceneActivation to false so it can be called when needed, does anyone have any tips or pointers on how to make this more efficient?

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avatar image Jordi-Bonastre · Mar 22, 2016 at 02:38 PM 0
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Can you report a bug with a repro project and share the bug number?

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Answer by TheNoobieWaffle · Mar 22, 2016 at 02:55 PM

Maybe this helps? http://docs.unity3d.com/ScriptReference/AsyncOperation-priority.html

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avatar image Jordi-Bonastre · Mar 22, 2016 at 02:56 PM 0
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yes, it could help. Check if the GameObjects included in the scene have Awake functions and the performance of these functions.

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