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Fixed in 2021.3.30f1
Fixed in 2023.2.0a22
Votes
0
Found in
2022.2.20f1
2023.1.0b17
2023.2.0a15
Issue ID
UUM-35987
Regression
Yes
[M1] Physics.Processing spikes when using physics in the scene
Reproduction steps:
1. Open project “URP Performance Physics.zip”
2. Enter Play Mode
3. Open “Window\Analysis\Profiler”
Expected result: spikes on Physics.Processing reach around 4ms
Actual result: spikes on Physics.Processing reach around 10ms
Reproducible with: 2022.2.0f1, 2022.2.20f1, 2023.1.0b17, 2023.2.0a15
Not reproducible with: 2020.3.48f1, 2021.3.25f1, 2022.2.0b16
Reproducible on: macOS Ventura 13.0 (M1)
Not reproducible on: macOS Ventura 13.2.1 (Intel)
Notes:
- Performance spikes are gone when disabling the “Cube” Box Collider
- Reproducible with URP and HDRP
- Also reproducible in Standalone Player
- Seems to only reproduce on a freshly extracted project
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Resolution Note (fix version 2021.3.30f1):
Fixed by another internal issue: UUM-27803: ProcessAllPhysicsTasks calls CurrentThread::Yield, which can cause very long hangs
Resolution Note (fix version 2023.2.0a22):
Fixed by another internal issue: UUM-27803: ProcessAllPhysicsTasks calls CurrentThread::Yield, which can cause very long hangs