// forked from tail_y's forked from: [最適化 Tips] Number, int, uint の計算による処理速度の違い // forked from muta244's [最適化 Tips] Number, int, uint の計算による処理速度の違い package { import flash.display.*; import flash.geom.*; import flash.events.*; import flash.text.*; import flash.utils.*; public class Main extends Sprite { static private const _NUM_TIMES:int = 1000000; private function _init():void { _debug( "各テスト " + _NUM_TIMES + " 回処理させた計算結果 [単位 ： ミリ秒]\n" + "(誤差は多少生じます)" ); _measure("ループのみ", function ():void { for (var i:uint = 0; i < _NUM_TIMES; i++) { } }); _measure("Object.undefined", function ():void { var obj:Object = {}; for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.y; } }); _measure("Object[hash]", function ():void { var obj:Object = {y:1}; for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj["y"]; } }); _measure("Object.hash", function ():void { var obj:Object = {y:1}; for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.y; } }); _measure("dynamic.undefined", function ():void { var obj:Dynamic = new Dynamic(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.y; } }); _measure("Object(dynamic).hash", function ():void { var obj:Object = new Dynamic(); obj.y = 1; for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.y; } }); _measure("dynamic[hash]", function ():void { var obj:Dynamic = new Dynamic(); obj.y = 1; for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj["y"]; } }); _measure("dynamic.hash", function ():void { var obj:Dynamic = new Dynamic(); obj.y = 1; for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.y; } }); _measure("Object(dynamic).defined", function ():void { var obj:Object = new Dynamic(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.x; } }); _measure("dynamic[defined]", function ():void { var obj:Dynamic = new Dynamic(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj["x"]; } }); _measure("dynamic.defined", function ():void { var obj:Dynamic = new Dynamic(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.x; } }); _measure("Object(sealed).defined", function ():void { var obj:Object = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.x; } }); _measure("sealed[defined]", function ():void { var obj:Sealed = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj["x"]; } }); _measure("sealed.defined", function ():void { var obj:Sealed = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.x; } }); _measure("Sealed(sealed).defined", function ():void { var obj:Object = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = Sealed(obj).x; } }); _measure("sealed[getter]", function ():void { var obj:Sealed = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj["x"]; } }); _measure("sealed.getter", function ():void { var obj:Sealed = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.getter; } }); _measure("Sealed(sealed).getter", function ():void { var obj:Object = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = Sealed(obj).getter; } }); _measure("(sealed as Sealed).getter", function ():void { var obj:Object = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = (obj as Sealed).getter; } }); _measure("interface.getter", function ():void { var obj:Interface = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = obj.getter; } }); _measure("Interface(interface).getter", function ():void { var obj:Object = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = Interface(obj).getter; } }); _measure("(interface as Interface).getter", function ():void { var obj:Object = new Sealed(); for (var i:uint = 0; i < _NUM_TIMES; i++) { var o:int = (obj as Interface).getter; } }); _debug("\n結果を説明するスペースなんてなかった"); } private var _field:TextField; private var _time:uint; public function Main():void { _setup(); _init(); } private function _measure(title:String, func:Function, ...params):void { _time = getTimer(); func.apply(this, params); _time = getTimer() - _time; _debug("[ " + title + " ] --> " + _time + " ms"); } private function _debug(log:String):void { _field.appendText(log + "\n"); } private function _setup():void { _field = new TextField(); _field.width = stage.stageWidth - 40; _field.height = stage.stageHeight - 60; _field.x = 20; _field.y = 60; _field.multiline = true; _field.wordWrap = true; var format:TextFormat = _field.defaultTextFormat; format.font = "_sans"; _field.defaultTextFormat = format; addChild(_field); var button:Sprite = new Sprite(); button.graphics.lineStyle(1, 0xBBBBBB); button.graphics.beginFill(0xEEEEEE); button.graphics.drawRoundRect(0, 0, 100, 20, 5, 5); button.graphics.endFill(); addChild(button); button.x = 20; button.y = 20; button.mouseChildren = false; button.buttonMode = true; var field:TextField = new TextField(); field.width = 100; field.height = 20; field.htmlText = "<p align='center'><font face='_sans'>再計算</span></p>"; button.addChild(field); button.addEventListener(MouseEvent.CLICK, function ():void { _field.text = ""; _init(); }); } } } dynamic class Dynamic implements Interface { public var x:int = 1; public function get getter():int { return this.x; } } class Sealed implements Interface { public var x:int = 1; public function get getter():int { return this.x; } } class Sealed2 implements Interface, Interface2, Interface3, Interface4, Interface5, Interface6, Interface7, Interface8 { public var x:int = 1; public function get getter():int { return this.x; } } interface Interface { function get getter():int; } interface Interface2 { } interface Interface3 { } interface Interface4 { } interface Interface5 { } interface Interface6 { } interface Interface7 { } interface Interface8 { }