VRAM usage on XR UI

Omniverse General Discussion
1

I’m working on creating XR Ui , based on (omni.kit.xr.example.usd_scene_ui) extension created UI designs for general app panels ,app home screen , file browsers in XR(worldspace Ui).

Every time when the Ui gets enabled inside the stage , the VRAM gets eaten up on 4090, and even more on 30 series cards,

please provide any methods to restrict and handle this consumption,

PS : Enabling a static label or transform Ui in the default (omni.kit.xr.example.usd_scene_ui) extension consumes 100-200mb of VRAM and goes adding it on every time its enabled.

2

Ok let me find out and get back to you. Can you provide your usd file for us to test ?

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3

Ok so we have confirmed we have a memory leak issue with the UI in XR. So thanks for that. We have created a ticket to investigate. If I have any updates on this issue I will come back and let you know. Sorry for the issue.

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4

Thanks for the update! and yes , the leak exists in the built in XR UI examples which are using the UsdSceneView and `omni.kit.xr.sceneview_utils .

5

We will try to get it fixed asap.

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