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Improve UsdImagingDelegate performance when editing many instances of the same prototype #1608

Merged
merged 1 commit into from
Sep 13, 2021
Merged

Improve UsdImagingDelegate performance when editing many instances of the same prototype #1608

merged 1 commit into from
Sep 13, 2021

Commits on Aug 30, 2021

  1. Address a performance issue when applying a large number of edits to 

    instanceable references of the same prototype. The TrackVariability call
is O(n) on the number of instances, and it was being called for each
modified instance, resulting in O(n^2) cost to such an edit. This change
globally keeps track of all paths for which we call TrackVariability as
part of an update to avoid calling it more than once for any particular
primitive.
    @marktucker
    marktucker committed Aug 30, 2021
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