(Since the other issue was closed) V2 is announced as **faster**. I re-built the Circle benchmark to test it (it's on Evan's fiddles) - v0.10 http://jsfiddle.net/azimuth/4u9pLhy3/4/ - v2.0 http://jsfiddle.net/azimuth/tofnsu5e/4/ It is not obvious that 2.0 is faster ;-( Am I missing something?