appleguy 42d1c9a55b [ASCellNode] Add subclass method cache; skip visibility rect calculations in the common case. (#2388) ...

Profiling showed this area as the most expensive part of ASRangeController propogation of .interfaceState,
when scrolling an ASTableView.  This is very much on the critical path for sustained 60FPS in these views.

2016-10-15 09:58:57 -07:00

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