flash on 2010-5-17
/**
* Copyright uwi ( http://wonderfl.net/user/uwi )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/ia58
*/
package {
import flash.display.*;
import flash.geom.*;
import flash.events.*;
import flash.text.*;
import flash.utils.*;
import flash.system.*;
public class Main extends Sprite
{
static private const N:uint = 300000;
static private const M:uint = 30;
private function _init():void
{
_debug(
"各テスト " + N + " 回処理させた計算結果(アクセスは" + N + "*" + M + "回) [単位 ： ミリ秒]"
);
_measure("アクセスループのみ", function ():void
{
for(var j : uint = 0;j < M;j++){
for (var i:uint = 0; i < N; i++) {
}
}
});
testObject();
_debug("--------------------");
testClass();
_debug("--------------------");
testNumber();
_debug("--------------------");
testUint();
_debug("--------------------");
_debug("アクセスはそれほど変わらず、格納は中身が単純になるほどVector有利になる印象");
_debug("ArrayとVectorの順番を入れ替えると結果が変わるのもある");
}
private function testObject() : void
{
_measure("ループのみ(Object)", function ():void
{
for (var i:uint = 0; i < N; i++) {
{i:i};
}
});
_measure("Array格納(Object)", function ():void
{
var ar : Array = new Array(N);
for (var i:uint = 0; i < N; i++) {
ar[i] = {i:i};
}
});
_measure("Vector格納(Object)", function ():void
{
var vec : Vector.<Object> = new Vector.<Object>(N);
for (var i:uint = 0; i < N; i++) {
vec[i] = {i:i};
}
});
var i : uint;
var gvec : Vector.<Object> = new Vector.<Object>(N);
for (i = 0; i < N; i++) {
gvec[i] = {i:i};
}
var gar : Array = new Array(N);
for (i = 0; i < N; i++) {
gar[i] = {i:i};
}
_measure("Arrayアクセス(Object)", function ():void
{
for(var j : uint = 0;j < M;j++){
for (var i:uint = 0; i < N; i++) {
var t : Object = gar[i];
}
}
});
_measure("Vectorアクセス(Object)", function ():void
{
for(var j : uint = 0;j < M;j++){
for (var i:uint = 0; i < N; i++) {
var t : Object = gvec[i];
}
}
});
}
private function testClass() : void
{
_measure("ループのみ(Class)", function ():void
{
for (var i:uint = 0; i < N; i++) {
new A();
}
});
_measure("Array格納(Class)", function ():void
{
var ar : Array = new Array(N);
for (var i:uint = 0; i < N; i++) {
ar[i] = new A();
}
});
_measure("Vector格納(Class)", function ():void
{
var vec : Vector.<A> = new Vector.<A>(N);
for (var i:uint = 0; i < N; i++) {
vec[i] = new A();
}
});
var i : uint;
var gvec : Vector.<A> = new Vector.<A>(N);
for (i = 0; i < N; i++) {
gvec[i] = new A();
}
var gar : Array = new Array(N);
for (i = 0; i < N; i++) {
gar[i] = new A();
}
_measure("Arrayアクセス(Class)", function ():void
{
for(var j : uint = 0;j < M;j++){
for (var i:uint = 0; i < N; i++) {
var t : A = gar[i];
}
}
});
_measure("Vectorアクセス(Class)", function ():void
{
for(var j : uint = 0;j < M;j++){
for (var i:uint = 0; i < N; i++) {
var t : A = gvec[i];
}
}
});
}
private function testNumber() : void
{
_measure("ループのみ(Number)", function ():void
{
for (var i:uint = 0; i < N; i++) {
Math.sqrt(i);
}
});
_measure("Array格納(Number)", function ():void
{
var ar : Array = new Array(N);
for (var i:uint = 0; i < N; i++) {
ar[i] = Math.sqrt(i);
}
});
_measure("Vector格納(Number)", function ():void
{
var vec : Vector.<Number> = new Vector.<Number>(N);
for (var i:uint = 0; i < N; i++) {
vec[i] = Math.sqrt(i);
}
});
var i : uint;
var gvec : Vector.<Number> = new Vector.<Number>(N);
for (i = 0; i < N; i++) {
gvec[i] = Math.sqrt(i);
}
var gar : Array = new Array(N);
for (i = 0; i < N; i++) {
gar[i] = Math.sqrt(i);
}
_measure("Arrayアクセス(Number)", function ():void
{
for(var j : uint = 0;j < M;j++){
for (var i:uint = 0; i < N; i++) {
var t : Number = gar[i];
}
}
});
_measure("Vectorアクセス(Number)", function ():void
{
for(var j : uint = 0;j < M;j++){
for (var i:uint = 0; i < N; i++) {
var t : Number = gvec[i];
}
}
});
}
private function testUint() : void
{
_measure("ループのみ(uint)", function ():void
{
for (var i:uint = 0; i < N; i++) {
i;
}
});
_measure("Array格納(uint)", function ():void
{
var ar : Array = new Array(N);
for (var i:uint = 0; i < N; i++) {
ar[i] = i;
}
});
_measure("Vector格納(uint)", function ():void
{
var vec : Vector.<uint> = new Vector.<uint>(N);
for (var i:uint = 0; i < N; i++) {
vec[i] = i;
}
});
var i : uint;
var gvec : Vector.<uint> = new Vector.<uint>(N);
for (i = 0; i < N; i++) {
gvec[i] = i;
}
var gar : Array = new Array(N);
for (i = 0; i < N; i++) {
gar[i] = i;
}
_measure("Arrayアクセス(uint)", function ():void
{
for(var j : uint = 0;j < M;j++){
for (var i:uint = 0; i < N; i++) {
var t : uint = gar[i];
}
}
});
_measure("Vectorアクセス(uint)", function ():void
{
for(var j : uint = 0;j < M;j++){
for (var i:uint = 0; i < N; i++) {
var t : uint = gvec[i];
}
}
});
}
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(null, 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 - 40;
_field.x = 20;
_field.y = 40;
_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 = 10;
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();
});
}
}
}
class A
{
}