This is a follow for HHH-10363 Closed which has already introduced some optimizations to reduce the use of reflection.

The method Cascade#cascade(CascadingAction, CascadePoint, EventSource, EntityPersister, Object, Object) still uses unnecessary reflection that has a performance impact. Here's the code in question:

if ( action.deleteOrphans() && !isUninitializedProperty ) {
	cascadeLogicalOneToOneOrphanRemoval(
			action,
			eventSource,
			componentPathStackDepth,
			parent,
			persister.getPropertyValue( parent, i ),
			types[ i ],
			style,
			propertyName,
			false
	);
}

The cascadeLogicalOneToOneOrphanRemoval method that is called here looks like this:

if ( isLogicalOneToOne( type ) ) {
    [..CUT..]
}

This means that the value obtained by getPropertyValue is only used for properties of one-to-one type.

To optimize the performance the above test could be made in cascade method before calling persister.getPropertyValue(Object, int).