Search Issue Tracker
Fixed in 2018.2.X
Fixed in 2017.1.X, 2017.2.X, 2017.3.X, 2017.4.X, 2018.1.X
Votes
0
Found in
2017.2.0f2
2017.3.0b1
2017.3.0f3
Issue ID
983677
Regression
Yes
Massive performance drop with Size over Lifetime or Size over Speed modules enabled when emitting particles from script
Steps to reproduce:
1. Open attached “ParticlePerformance.zip” Unity project
2. Open Window->Profiler
3. Enter Play mode
Expected results:
Reasonable performance
Actual results:
Massive CPU usage by ParticleSystem.SizeOverVelocityModule and ParticleSystem.SizeOverLifetimeModule
Reproduced in: 2018.1.0b1, 2017.3.0p1 2017.3.0b1, 2017.2.1p1, 2017.2.0f2, 2017.1.3f1, 2017.1.2f1, 2017.1.1p4
Didn’t reproduce in: 2017.3.0a7, 2017.2.0f1, 2017.1.1p3, 5.6.5f1
Regression introduced in: 2017.3.0b1, 2017.2.0f2, 2017.1.1p4
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- Scene dependency changes do not trigger a scene re-hash during Content Archives build
- Crash on PhysicsCommands::PhysX::CreateCharacterController when a Prefab containing a CharacterController Component is Instantiated with NaN position values
- TextMeshPro Text Component reads bottom-to-top instead of top-to-bottom when using RTL Editor
- Xcode crash on "AudioToolbox`AQ::API::V2Impl::AudioQueueProcessingTapGetSourceAudio" when repeatedly opening and closing video via AVPro Video's MTAudioProcessingTap on macOS 26.0+
- Burger button in the Multiplayer Play Mode window is not visible when using the Light theme
Add comment