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Fixed

Fixed in 2021.3.21f1, 2022.2.0a3, 2023.2.0a5

Votes

0

Found in

2021.3.11f1

2022.2.0b9

2023.2.0a4

Issue ID

UUM-19169

Regression

No

GameObject with AsyncGPUReadback class in the script leaks memory when the Editor is running in the background

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How to reproduce:
1. Open the “GPUReadbackLeak.zip” project from Google Drive
2. Turn on “Task Manager” on Windows
3. In the Hierarchy select the “Test” object
4. Enable “GPUReadbackLeakMVP” in the Inspector
5. Focus on another program window
6. Observe the “Editor” in “Task Manager”

Expected result: Memory usage should stay consistent.
Actual result: Memory usage increases by around 200mb/s.

Reproducible with: 2021.3.11f1, 2022.2.0b9

Reproducible on: Windows 10

Note: Could not reproduce the issue.

  1. Resolution Note (fix version 2023.2.0a5):

    Prevent AsyncGPUReadback requests accumulation when Editor is inactive.

  2. Resolution Note (fix version 2022.2.0a3):

    Prevent AsyncGPUReadback requests accumulation when Editor is inactive.

  3. Resolution Note (fix version 2021.3.21f1):

    Prevent AsyncGPUReadback requests accumulation when Editor is inactive.

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