PERF: Make `ImageRegion` trivially copyable (LEGACY_REMOVE)

InsightSoftwareConsortium / ITK

Insight Toolkit (ITK) -- Official Repository. ITK builds on a proven, spatially-oriented architecture for processing, segmentation, and registration of scientific images in two, three, or more dimensions.

https://itk.org

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PERF: Make `ImageRegion` trivially copyable (LEGACY_REMOVE) #4691

Closed N-Dekker closed 1 month ago

N-Dekker commented 1 month ago

Replaced ITK_FUTURE_LEGACY_REMOVE with ITK_LEGACY_REMOVE, regarding its inheritance from itk::Region.

A run-time performance improvement of more than 25% on default-constructing and destructing a sequence of ImageRegion objects was observed.

Follow-up to pull request https://github.com/InsightSoftwareConsortium/ITK/pull/4344 commit 1f3bbb658698556ff0d437c4effb9c1e42acc7c2