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Postponed means that the issue was either a feature request or something that requires major refactoring on our side. Since that makes the issue not actionable in the close future we choose to close it as Postponed and add it on our internal roadmaps and technical debt pages instead.
Postponed
Votes
1
Found in
2018.2.2f1
Issue ID
1069436
Regression
No
LoadSceneAsync gets a huge CPU spike when using Realtime GI
To reproduce:
1. Download attached project "RealtimeGILoadingCost.zip" and open in Unity
2. Create New Scene
3. Add both Root and A scenes in the Hierarchy
4. Open Lighting window, uncheck Mixed Lighting, clear Baked Aata and regenerate Lighting
5. Remove A scene from Hierarchy
6. Build and Run Development build and Autoconnect Profiler
7. Press L key on Keyboard and observe Profiler
Expected Result: There will be no CPU spike in Profiler
Actual Result: There will be a huge CPU spike in Profiler
Notes:
- This issue appears on both Windows and OSX
Reproduced on Unity 2017.1.5f1, 2017.2.3p3, 2017.3.2f1, 2017.4.9f1, 2018.1.9f1, 2018.2.3f1 and 2018.3.0a9
Comments (2)
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sayginkarahan
Dec 11, 2020 00:17
I'm using 2019.4.13f1 and it is still FPS drops when loading scenes async in Editor. It is very small spikes when the game in the build version.
ptbs
Jun 04, 2019 13:44
This issue is still occurring on 2019.1.5f1, loading a scene that only contains a cylinder incurs a 50ms frametime (tested on PC Standalone on i7-7700K 4.2GHz, GTX 1060)