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Fixed in 2018.3.X
Votes
10
Found in
5.3.2p1
Issue ID
765905
Regression
No
[Shuriken] Culled particle systems cause CPU spikes when re-entering view after some time
Steps to reproduce:
1. Open the attached project "ParticleRendered.zip" and the profiler window
2. Go into hierarchy and note that particles are looping, but Prewarm is DISABLED.
3. Start the Scene scene
4. Use the left/right arrows to rotate the camera, rotate the camera until the particles are not visible anymore
4. Let it run for 2+ minutes
5. Rotate the camera back to the particles, keeping an eye on the profiler
6. Notice spikes in Camera.Render.Culling.SceneCulling.CullSendEvents.ParticleSystem.Prewarm
Expected results: Prewarm does not build up over time
Actual results: It slowly build up
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jparedes90
Jun 16, 2020 21:38
Not fixed in 2018.4.9 LTS
duplexius
Jul 24, 2016 14:32
This is not fixed but turned out worse between version 5.3.4p2 and 5.3.4p4 and it's still in 5.3.6f1.
I'm still using 5.3.4p2 because of this.