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Fixed
Fixed in 2020.3.48f1, 2021.3.8f1, 2022.1.9f1, 2022.2.0a20
Votes
2
Found in
2021.3.0f1
2022.1.1f1
2022.2.0a9
Issue ID
UUM-6515
Regression
Yes
[Backport] Performance cost of looping animations increases over time
Steps to reproduce:
1. Open the attached "InflatingAnimationCostBugReport.zip" project
2. Open SampleScene in Assets > Scenes
3. In the Toolbar select Window > Analysis > Profiler
4. In the Profiler window set Play mode as Target Selection
5. In the Profiler window press Record
6. Enter Play Mode
7. In the Profiler window observe the Animation category of the CPU Usage Profiler module for at least a minute
Expected result: time spent on animation processes remains roughly the same
Actual result: time spent on animation processes increases continuously
Reproducible with: 2021.2.0a7, 2021.3.3f1, 2022.1.1f1, 2022.2.0a15
Not reproducible with: 2019.4.39f1, 2020.3.35f1, 2021.2.0a6
Notes:
- The shorter the animation clip, the faster the performance cost increases
- Turning off Loop Time in the Animation tab of the Idle_Pose.fbx clip prevents this issue
- Anything that resets state time, such as jumping to or transitioning to any other state temporarily staves off the issue
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Resolution Note (fix version 2022.2.0a20):
Verified with:
2022.2.0b1.2674
Revision: 2022.2/staging d791230a58d5
Built: Tue, 05 Jul 2022 21:03:20 GMT