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Found in

2022.3.68f1

6000.0.62f1

6000.2.12f1

6000.3.0b9

6000.4.0a4

6000.5.0a1

Issue ID

UUM-126334

Regression

Yes

[Android] AssetBundle loading performance degradation when loading from a local Assetbundle

-

How to reproduce:
1. Open the “ReproProject.zip“ project
2. Open the “SampleScene“
3. In the top-bar, click “Build > Build Android APK“
4. Install the “.apk“ on a device
5. Open the “Window > Analysis > Profiler“ window
6. Open the application on a device (it should autoconnect to the Profiler)
7. Press the “Load Asset“ button
8. Observe the Profiler

Expected result: No spikes
Actual result: Large spike when loading AssetBundles

Reproducible with: 2022.3.64f1, 2022.3.68f1, 6000.0.62f1, 6000.2.12f, 6000.3.0b9, 6000.4.0a4, 6000.5.0a1
Not reproducible with: 2022.3.63f1

Reproducible environment: macOS 15.7 (M4 Max), Windows 11 (Reporters)
Not reproducible environment: No other environment tested

Reproducible with these devices:
VLNQA00319, Google - (Pixel 4), Android 13, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00511, Samsung Galaxy S8 (SM-G950F), Android 9, CPU: Exynos 9 Octa 8895, GPU: Mali-G71
VLNQA00612, Samsung Galaxy S24 (SM-S921B), Android 15, CPU: Exynos 2400, GPU: ANGLE (Samsung Xclipse 940) on Vulkan 1.3.279
VLNQA00335, Samsung Galaxy S20+ 5G (SM-G986B), Android 10, CPU: Exynos 990, GPU: Mali-G77
VLNQA00107, Huawei Nexus 6P (Nexus 6P), Android 8.1.0, CPU: Snapdragon 810 MSM8994, GPU: Adreno (TM) 430

Note: Asset loading delay only occurs when loading from a local asset bundle (packaged into the “APK” in “StreamingAssets”)

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