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Won't Fix
Votes
0
Found in
2022.3.42f1
6000.0.15f1
Issue ID
UUM-77868
Regression
No
[Android] "/memfd:jit-cache" and "/memfd:jit-zygote-cache" heavy runtime memory usage when building to Android
Steps to reproduce:
1. Create a new project
2. Switch to Android and build
3. Open Memory Profiler
4. Capture a snapshot of the device
5. Navigate to "All of Memory -> Executables & Mapped"
6. Observe "/memfd:jit-cache" and "/memfd:jit-zygote-cache" taking up 128mb and 56mb respectively
Expected results: "/memfd:jit-cache" and "/memfd:jit-zygote-cache" are lower in memory usage than what is reported
Actual results: heavy runtime memory usage coming from a memfd:jit-cache when building to Android
Reproducible with: 2022.3.42f1, 6000.0.15f1
Couldn't Test on 2021.3.42f1 due to Memory Profiler not displaying "All Of Memory" -> "Executables and Mapped"
Reproducible with these devices
VLNQA00609 - Oculus Quest 3 (Quest 3), CPU: Snapdragon XR2 Gen 2 (SM8550), GPU: Adreno 740, OS: 12
VLNQA00415 - Oculus Quest 2 (Quest 2), CPU: Snapdragon XR2, GPU: Adreno 650, OS: 12
VLNQA00528 - HMD Global Nokia G20 (Nokia G20), CPU: Mediatek MT6765G Helio G35 (12 nm), GPU: PowerVR Rogue GE8320, OS: 13
VLNQA00423 - Google Pixel 3 (Pixel 3), CPU: Snapdragon 845, GPU: Adreno 630, OS: 9
VLNQA00422 - Galaxy S21 Ultra 5G (SM-G998B), CPU: Exynos 2100, GPU: Mali-G78, OS: 11
VLNQA00381 - Xiaomi Redmi Note 8 Pro (Redmi Note 8 Pro), CPU: MediaTek Helios G90T MT6785T, GPU: Mali-G76 MC4, OS: 9
VLNQA00282 - Samsung Galaxy S10e USA (SM-G970U), CPU: Snapdragon 855 SM8150, GPU: Adreno 640, OS: 9
Notes:
-Issue is reproducible on a new project
-Memory Profiler data attached "MemoryProfilerData.snap"
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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.
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