Old School Optimization
Explore the performance differences in 4D between a few commands that can be used for the same purpose but have extremely different processing times that may not immediately be apparent without testing…  Apply To Selection, Array To Selection, and Save Record/ Next Record.

Get the demo source code here… https://github.com/4dmethod/ApplyToSelection

See comments thread on Reddit…
https://www.reddit.com/r/4dapps/comments/59i0fj/apply_to_selection_some_old_school_optimization/