id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
11231	[Patch] MapCSS uses slow sorted ArrayLists	michael2402	team	"Currently, MapCSS creates and sorts an ArrayList for every OSM primitive it handles. This is pretty slow because we only want to walk the rules in the right order.

Speed can be improved significantly (30% for render phase 1 in styles that use many non-key-value-rules).

Here is a patch:
https://github.com/michaelzangl/josm/commit/b547b1f4f5b055213ce5140d6176c48229fb7351

The dupplicate test never triggered for me, but I left it there just to be sure and not break anything."	enhancement	closed	normal	15.03	Core mappaint		fixed	mapcss performance