AS中变量读写速度

http://blogs.adobe.com/aharui/2007/10/actionscript_readwrite_perform_1.html

 

【结论概要】

读取：

封闭类中的变量200000次，耗时20ms ；

Reading From Dynamic Object: 40   ；

Reading From Proxy: 350

Reading From Sealed Classes via Getters: 38

Reading XML Attributes: 550

Reading XML Sub-Node: 750

 

写入：

Writing To Sealed Class Variables: 450

Writing To Sealed Class Setters: 930

Writing to Bindable Sealed Class: 1030

Writing to Dynamic Object: 500

Writing to Proxy: 830

Writing to XML Attributes: 580
Writing to XML Sub-Nodes: 950
Writing to XML Attributes That Have Binding: 7700
Writing to XML Sub-Nodes That Have Binding: 8900