Vector.<String>のlengthを変えて使い回し

/**
 * Copyright yasurageruheya ( http://wonderfl.net/user/yasurageruheya )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/rYFB
 */

package {
	import flash.display.Loader;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.geom.Rectangle;
	import flash.system.System;
	import flash.text.TextField;
	import flash.utils.ByteArray;
	public class FlashTest extends Sprite {
		
		public const LOOP:int = 1000;
		
		public const txt:TextField = new TextField();
		
		public var tests:Vector.<Tester> = new Vector.<Tester>();
		
		public var freeMemory:int;
		
		public var gcCount10byte:int = 0;
		
		public var gcCount100byte:int = 0;
		
		public var gcCount1KB:int = 0;
		
		public var gcCount10KB:int = 0;
		
		public var gcCount100KB:int = 0
		
		public var gcCount1MB:int = 0;
		
		public var gcCount10MB:int = 0;
		
		public var gcCount100MB:int = 0;
		
		public var gcCount:int = 0;
		
		public var totalFrames:Number = 1;
		
		public function FlashTest() {
			
			var vec:Vector.<String> = new Vector.<String>();
			var count:int = 0;
			var strings:Vector.<String> = Vector.<String>(["w","q","u","C","p","t","m","r","M","r","j","a","J","J","L","U","p","r","T","z","c","l","V","j","Q","A","e","T","Z","m","R","Y","x","m","o","o","y","w","k","g","m","A","G","s","n","i","V","Q","G","m","q","p","a","t","I","q","k","k","d","z","K","g","o","w","X","M","E","F","u","e","H","g","r","Z","d","C","U","n","h","J","D","P","H","b","C","u","j","E","l","P","k","t","O","C","F","g","c","p","z","T","r","i","F","x","Y","V","a","j","D","O","U","b","O","z","S","O","L","w","Z","h","L","X","R","y","B","p","J","f","T","d","f","r","s","k","q","o","W","f","f","I","e","p","A","V","P","Z","B","v","B","Q","m","O","H","j","B","V","W","d","j","r","h","f","H","J","x","a","Y","K","A","t","c","I","d","U","H","m","t","B","E","D","g","z","J","q","D","d","y","D","t","r","c","O","q","V","h","Y","U","t","M","h","L","t","z","D","W","s","H","I","T","n","V","K","Z","k","d","q","b","B","n","n","k","z","w","d","n","r","B","h","P","r","q","R","M","w","P","x","j","e","W","C","r","x","r","Q","I","w","D","K","c","D","k","h","e","k","X","G","f","Z","g","G","p","g","B","R","f","C","i","g","b","J","N","G","v","w","p","y","l","D","a","N","w","T","l","C","i","g","r","V","M","F","q","z","H","B","r","f","w","D","z","W","W","C","K","V","i","m","R","A","A","Z","B","h","A","T","R","K","E","L","u","B","B","t","q","J","m","u","u","n","p","U","x","m","E","a","a","v","n","e","v","e","P","C","a","E","X","f","c","v","O","H","h","f","s","p","M","i","Y","t","r","u","I","a","E","V","F","h","S","x","A","x","i","C","G","o","H","Y","V","j","s","n","L","w","J","X","r","r","T","e","k","U","d","S","e","F","b","i","g","Y","U","L","Z","Z","D","F","I","U","L","z","b","t","x","D","t","c","y","d","S","k","O","V","S","y","z","F","q","o","n","r","O","m","o","w","P","z","L","M","v","B","N","i","j","E","C","V","P","S","M","e","c","f","H","y","H","c","o","t","d","i","j","B","n","e","W","C","L","R","i","h","Q","C","z","t","b","I","g","T","E","Q","Z","I","Z","o","j","z","Z","z","N","C","C","U","B","P","y","a","N","z","j","v","t","e","B","O","O","H","r"]);
			
			/*
			tests[tests.length] = new Tester("プールが空の状態 fromPool : ", function():void
			{
				var i:int = LOOP;
				while (i--)
				{
					vec[i] = PoolLoader.fromPool();
				}
			});
			
			tests[tests.length] = new Tester("プーリング toPool : ", function():void
			{
				var i:int = LOOP;
				while (i--)
				{
					PoolLoader.toPool(vec[i]);
				}
			});
			
			vec = new Vector.<Loader>(LOOP);
			
			tests[tests.length] = new Tester("プールから取り出す fromPool : ", function():void
			{
				var i:int = LOOP;
				while (i--)
				{
					vec[i] = PoolLoader.fromPool();
				}
			});
			/*/
			tests[tests.length] = new Tester("vec.length=500 : ", function():void
			{
				var i:int = LOOP;
				var j:int;
				while (i--)
				{
					vec.length = 0;
					vec.length = 500;
					j = vec.length;
					while (j--)
					{
						vec[j] = strings[j];
					}
				}
			});
			//*/
			
			tests.reverse();
			txt.width = 500;
			txt.height = 500;
			addChild(txt);
			
			freeMemory = System.freeMemory;
			
			// write as3 code here..
			addEventListener(Event.ENTER_FRAME, test);
		}
		
		private function test(e:Event):void 
		{
			var str:String = "";
			var i:int = tests.length;
			while (i--)
			{
				str += tests[i].start();
			}
			if (tests.length > 1)
			{
				str += "プーリングと取り出しの合計 : " + (tests[0].timeAverage + tests[1].timeAverage) + " ms.\n";
			}
			str += "memory : total " + System.totalMemory + " / private " + System.privateMemory + "\n";
			
			const currentFreeMemory:Number = System.freeMemory;
			
			if (freeMemory < currentFreeMemory)
			{
				gcCount++;
				const gcMemory:Number = currentFreeMemory - freeMemory;
				if (gcMemory > 100000000)
				{
					gcCount100MB++;
				}
				else if (gcMemory > 10000000)
				{
					gcCount10MB++;
				}
				else if (gcMemory > 1000000)
				{
					gcCount1MB++;
				}
				else if (gcMemory > 100000)
				{
					gcCount100KB++;
				}
				else if (gcMemory > 10000)
				{
					gcCount10KB++;
				}
				else if (gcMemory > 1000)
				{
					gcCount1KB++;
				}
				else if (gcMemory > 100)
				{
					gcCount100byte++;
				}
				else if (gcMemory > 10)
				{
					gcCount10byte++;
				}
			}
			freeMemory = System.freeMemory;
			
			str += "\n100MB\tGC発生回数？\t: " + gcCount100MB;
			str += "\n10MB\t\tGC発生回数？\t: " + gcCount10MB;
			str += "\n1MB\t\tGC発生回数？\t: " + gcCount1MB;
			str += "\n100KB\t\tGC発生回数？\t: " + gcCount100KB;
			str += "\n10KB\t\tGC発生回数？\t: " + gcCount10KB;
			str += "\n1KB\t\tGC発生回数？\t: " + gcCount1KB;
			str += "\n100byte\tGC発生回数？\t: " + gcCount100byte;
			str += "\n10byte\t\tGC発生回数？\t: " + gcCount10byte;
			str += "\n\t\t\tGC発生回数？\t: " + gcCount;
			
			str += "\n\t\t\tGC発生率？\t: " + ((gcCount / (totalFrames++)) * 100) + "%";
			
			txt.text = str;
		}
	}
}

import flash.display.Loader;
import flash.display.LoaderInfo;
import flash.geom.Rectangle;
import flash.system.System;
import flash.utils.ByteArray;
import flash.utils.Dictionary;
import flash.utils.getTimer;
class Tester
{
	public var time:Number = 0;
	
	public var name:String;
	
	public var test:Function;
	
	public var count:Number = 1;
	
	[Inline]
	final public function start():String
	{
		const startTime:int = getTimer();
		test();
		time += getTimer() - startTime;
		return name + (time / (count++)) + " ms.\n";
	}
	
	[Inline]
	final public function get message():String
	{
		return name + (time / count) + " ms.\n";
	}
	
	[Inline]
	final public function get timeAverage():Number
	{
		return time / count;
	}
	
	public function Tester(name:String, test:Function)
	{
		this.name = name;
		this.test = test;
	}
}