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GeomSubset performance issues #4514

@wandth

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@wandth

Describe the bug
If a model contains many facesets, then export them as usd. Then load the usd as a usd reference. Then moving the exported group will be very slowly, but if you just move the model group instead of the mtl scope, there is no problem

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Specs (if applicable):

  • OS & version : windows 10
  • Maya version : maya2025.3
  • Maya USD : 0.34.5
  • arnold : MtoA 5.4.7.1

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