How does enabling the coach optimization property, isOptimieCoachBoundaryEvent, improve performance for coaches?

A coach boundary event sends only the variables that are changed by the user back to the human service.

All bound variables are submitted to the human services at regular intervals even before a coach boundary event is reached.

A coach boundary event sends only the variable properties that are changed by the user back to the human service.

All bound variables are pre-initialized during loading of the coach.