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Fixed in 2020.2.X

Fixed in 2020.1.X



Found in



Issue ID




High CPU usage by Semaphore.WaitForSignal when running on Mali GPU

Mobile Graphics


Reproduction steps:
1. Download and open the submitted project
2. Build and run for Android
3. Look at fps counter on the top-left corner of the screen

Expected result: Counter shows around 60 fps
Actual result: Counter shows around 20 - 30 fps

Reproducible with: 2020.1.0a23, 2020.1.0b2, 2020.2.0a3

Reproducible on:
VLNQA00012, Samsung Galaxy S6 (SM-G920F), Android 7.0, CPU: Exynos 7 Octa 7420, GPU: Mali-T760
VLNQA00122, Samsung Galaxy S9 (SM-G960F), Android 9, CPU: Exynos 9 Series 9810, GPU: Mali-G72
VLNQA00270, Samsung Galaxy S10e (SM-G970F), Android 9, CPU: Exynos 9 9820, GPU: Mali-G76

Not reproducible on:
VLNQA00125, Google Pixel 2 (Pixel 2), Android 8.1.0, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540

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