Objectを使うのとinterfaceを使うのとどっちが速いか検証用
/**
* Copyright kaikoga ( http://wonderfl.net/user/kaikoga )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/cfyu
*/
// 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 { }