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Votes

0

Found in

2021.3.45f1

2022.3.51f1

6000.0.24f1

6000.1.0a1

Issue ID

UUM-85249

Regression

No

GarbageCollector CPU usage spikes when a Scene is loaded

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How to reproduce:
1. Open the attached “IN-86602“ project
2. Enter Play mode
3. Open the Profiler window (Window → Analysis → Profiler)
4. In the Profiler window observe the CPU Usage module and look at Highlights for any spikes in CPU usage

Expected result: GarbageCollector does not cause any spikes in CPU usage
Actual result: GarbageCollector causes a CPU usage spike (~150-200 ms in the project)

Reproducible with: 2021.3.45f1, 2022.3.51f1, 6000.0.24f1, 6000.1.0a1

Reproduced on: Windows 11
Not reproduced on: No other environment tested

Notes:
- The CPU usage spike seems to be related to Asset GarbageCollector whenever a Scene is loaded

Comments (1)

  1. ZabAyAI

    Oct 22, 2024 15:38

    Isn't it developed by design? GC calls with scene unloading by unity

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