Search Issue Tracker
Duplicate
Votes
0
Found in
2017.1.0f3
Issue ID
947224
Regression
Yes
Particle System Sub Emitter maximizes CPU usage up to 95%
Reproduction steps:
1. Download project "Particle Bug.zip" and open in Unity
2. Select object "Problem Particle System" in Hierarchy
3. Enter Play mode
4. Select PostLateUpdate.ParticleSystemEndUpdateAll in Profiler
5. Disable / Enable Sub Emitters of "Problem Particle System"
Expected: CPU usage to be about 2 to 10%
Actual: maximum CPU usage is about 95% (reason for percentage is "Sub Emitter Particle" property Size over Lifetime)
Reproduced on: 2017.1.0b1; 2017.1.1f1; 2017.2.0b10; 2017.3.0a7
Not reproduced on: 5.6.3p2; 2017.1.0a6
Regression introduced: 2017.1.0b1
Note: "Sub Emitter Particle" property Collision also increases CPU usage, but not to that extent
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- VFX Graph Memory leak when calling the ClearPropertyBinders and AddRemoveVFXProperty
- Entering "Configure Avatar" inside the Inspector locks it
- [Render Graph Viewer] Resource list icons cropped and in inconsistent positions
- Scene View with Debug Draw Mode enabled is gray when GPU Resident Drawer is enabled
- The UI is not visible when resizing out of focus built Player window with Application.runInBackground set to false
This is a duplicate of issue #930933