test3

package
{

    import flash.utils.*;


    public final class test2
    {
        public var i:int;
        public var start:int;
        public var controlList:ByteArray;

        public function test2():void
        {
            start = getTimer();
            controlList = new ByteArray();
            controlList.length = 4096;
        }

        public const MAX_RATIO:Number = 1 / uint.MAX_VALUE;
        public var r:uint = Math.random() * uint.MAX_VALUE;


        public final function XORandom():Number
        {
            r ^= (r << 21);
                r ^= (r >>> 35);
                r ^= (r << 4);
                return (r * MAX_RATIO);
        }

        public final function getTargets( s:int ):Vector.<int>
        {
            var t:Vector.<int> = new Vector.<int>();
            var i:int;
            var j:int;

            s = s<<6;
            do
            {
                if (controlList[s|i])
                {
                    t[j++] = i;
                }
            }
            while(i++ < 63);

            return t;
        }

        public final function loop1():void
        {
            for (i=0; i<4096; i++)
            {
                controlList[i]   = int( XORandom() );
            }
        }

        public final function loop2():void
        {
            for (i=0; i<10000000; i++)
            {
                getTargets( int( XORandom() << 6 ) );
            }
        }

    }

var t2:test2 = new test2();
    t2.loop1();
    t2.loop2();

trace("done in", getTimer()-t2.start, "ms");


}

/*
java -jar asc.jar -AS3 -strict -import builtin.abc -import toplevel.abc test3.as

test3.abc, 893 bytes written
done in 17722 ms
*/