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Fixed

Fixed in 2022.3.18f1, 2023.2.6f1, 2023.3.0b1

Votes

0

Found in

2022.3.10f1

2023.1.16f1

2023.2.0b12

2023.3.0a8

Issue ID

UUM-52194

Regression

Yes

Performance degrades and FPS decreases when adding a lot of inactive AudioSources to a Scene with Audibility Computation taking 11ms

-

Steps to reproduce:
1. Open the attached user's project "1657950_Gavin.zip"
2. Open "SampleScene.unity" and enter Play Mode with Game View Stats turned on
3. Observe in the Profiler CPU Module and Audio Module

Expected results: No performance hit and fps does not decrease when adding more inactive Audio Sources to the Scene
Actual results: Performance degrades and FPS decreases when adding a lot of inactive AudioSources to a Scene (See attached Results.png)

Reproducible with: 2022.1.0a3, 2022.3.10f1, 2023.1.16f1, 2023.2.0b12, 2023.3.0a8
Not reproducible with: 2021.3.31f1, 2022.1.0a2

Reproducible on: Windows 10
Not reproducible on: No other environment tested

Notes:
-"Audibility computation fwd" and "Audibility computation clear" both take around ~6ms
-There are only 5 active AudioSources active in the Scene and 1500 inactive

  1. Resolution Note (fix version 2023.3.0b1):

    Fixed performance bottleneck in audibility calculations.

  2. Resolution Note (fix version 2023.2.6f1):

    Fixed a performance issue that would occur when having many inactive audio sources in a scene.

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