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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

Physics

-

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)

  1. Miscellaneous

    Jan 16, 2021 18:15

    NOT FIXED 2019.4

  2. jstzwd

    Jan 13, 2021 04:46

    NOT FIXED!!! 2019.3.15, how come this just said it's fixed and you can not vote any more??

  3. nabI38

    Dec 15, 2020 15:58

    This bug still exists in unity 2029.1f.1 and it is detreminatal to my games preformance as it breaks the immersion with massive lag spikes

  4. naoya55

    Sep 16, 2020 20:01

    This bug is till exits in 2020.1.5f1

  5. Xaon

    Aug 04, 2020 15:20

    Bug is reintroduced in 202.1.0f1

  6. Oksana-Iashchuk

    Jun 30, 2020 11:06

    How to get “PerformanceIssue.zip” to test?

  7. malt_r

    Jun 04, 2020 18:32

    This is happening to me in 2019.3.15f1

  8. nscrivanich112325

    May 24, 2020 03:44

    Still exits in 2019.3.7f1

  9. vfilho

    May 22, 2020 20:48

    Happening with me on 2019.2.21f1.

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