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Fixed in 2018.2.X
Fixed in 2018.1.X
Votes
6
Found in
2018.1.0a7
2018.1.0b1
Issue ID
983582
Regression
Yes
Random spikes in CPU usage in runtime caused by Physics.Processing
Steps to reproduce:
1. Open attached “PerformanceIssue.zip” Unity project
2. Open scene “Main”
3. Enter Play mode
4. Open Window->Profiler
Expected results:
Smooth performance with no unexpected spikes in CPU usage
Actual results:
Physics.Processing CPU usage spikes at random moments
Reproduced in: 2018.2.0a1, 2018.1.0b2, 2018.1.0a7
Didn’t reproduce in 2018.1.0a6, 2017.3.0p1
Regression introduced in: 2018.1.0a7
Fixed in: 2018.2.0a6, 2018.1.0b13
Comments (34)
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sylvainbergeon
Jan 31, 2019 08:44
Similar issue with 2018.3.3f1
PlayerLoop.FixedUpdate.PhysicsFixedUpdate is eating 50% of my process ...
xiaomo0809
May 15, 2018 00:27
I was able to reproduce this issue in 2018.1.0f2.
A_Savvidis
Apr 01, 2018 07:00
According to release notes, in 2018.1.0b13
"Physics: Fixed issue resulting in frame CPU spikes in physics. (983582)"
wallazz
Mar 22, 2018 10:25
In what version is this problem fixed?