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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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GuillemSunyer
Dec 28, 2021 19:53
Still exists in 2020.3.25f1
amiel_ace
Jul 08, 2021 15:14
this still exists as of today, in unity 2020.3.13f1
GenialPP
Jul 02, 2021 14:06
Still exists in 2020.3.13f1
JacobK
Jun 10, 2021 14:29
Seeing this in 2020.3.10f :(
Physics.Processing spiking to 30ms, almost entirely self time
rodrycode
May 25, 2021 08:42
Still exists in 2020.3.9f1
Trungdv
Mar 26, 2021 18:26
Still happened in 2019.4.16f1
OneManArmy3D
Mar 21, 2021 03:43
In 2020 LTS i constantly see 140ms Physics.Processing spikes.
GreenPandaStudios
Feb 24, 2021 14:00
This is not fixed.
studentvz
Feb 11, 2021 17:42
We made a detailed report on this issue, made a bug report and there is a new issue tracker. Help us expand this issue so it can be fixed.
https://forum.unity.com/threads/unity-performance-regressions-cpu-usage-physics-proccesing-rendering-spikes-and-more.1056236/
Zunno
Jan 24, 2021 22:10
Still exist in 2019.4.18