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Won't Fix

Votes

1

Found in

2021.3.45f1

2022.3.51f1

6000.0.24f1

Issue ID

UUM-85046

Regression

No

GPU usage doubles when a project is running in the background

-

How to reproduce:
1. Open the Task Manager
2. Create and open a new 2D Core (Built-in Render Pipeline) project
3. Enable the “Run In Background“ checkbox
4. Sset the Fullscreen mode to “Maximized window“ in Project Settings > Player > Resolution and Presentation > Resolution
5. Build the empty project
6. Make the Player windowed (if it is not yet) and bring the Player to the foreground
7. Observe the Task Manager
8. Minimize the Player and observe the Task Manager again

Expected result: GPU usage of the Player is around the same if not less than before minimizing
Actual result: GPU usage doubles at least

Reproducible in: 2021.3.45f1, 2022.3.51f1, 6000.0.24f1

Reproduced on: Windows 11 Pro (23H2), Windows 10 (by the reporter)
Not reproduced on: No other environment tested

Note: While testing locally, GPU usage is ~5% when running in the foreground, and 8-15% when in the background

  1. Resolution Note:

    Thank you for reporting a bug to Unity.

    We have reviewed the issue carefully, and in this case, the team is unable to prioritize fixing this bug. There are a number of reasons we make this decision, including the impact and severity of the issue across our user and customer base, and the possibility that future plans may solve the problem in a different way, or that a workaround for the bug may be available.

    Today we will be closing this case. Thank you again for taking the time to report this issue, and please let us know if there is anything else that changes the impact or severity of this issue.

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