Unity Issue Tracker - Editor slows down on each subsequent run when using compute shaders
Closed
UUM-29294
Editor slows down on each subsequent run when using compute shaders
Unity: Shader System
Win
Won't Fix
6.2.X
6.1.X
6.0.X
2023.3.X
2023.2.X
2023.1.X
2022.3.X
2022.2.X
2021.3.X
Cancelling this 2023.2 tech release issue since the support for this release has come to end of life. Cancelling this 2023.2 port case does not affect any LTS or Unity 6 Beta/Preview that remain open.
Reproduction steps:
1. Open the attached “Repro.zip” project
2. Open the “Assets/Tutorial01.unity” Scene
3. Enter the Play Mode
4. Observe the FPS in the Game View’s Status window
5. Exit the Play Mode
6. Repeat the 3-5 steps
Expected result: Performance always stays the same
Actual result: Significant performance decrease each subsequent time the Play Mode is entered
Reproducible with: 2021.3.20f1, 2022.2.9f1, 2023.1.0b6, 2023.2.0a4
Couldn’t test with: 2020.3.45f1 (Errors in the Scripts due to missing/changed features)
Reproducible on: M1 macOS 13.1, Windows 10 (21H2)
Note: The issue is reproducible on both Intel and Apple Silicon Editors on M1 Mac
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