a question about code speed of flex

>CODE 1 > >function test():void{ >        var loop:int = 0; >var i:int = 0; >var j:int = 0; >var now:Date = new Date(); >var d:Number = 1.1; >for(i=0;i<10;i++){ >for(j=0;j<10000000;j++){ > >  (d*=1.0000001)>1; >} >now = new Date(); > >text.text+=(""+now.getTime()+" "+d+"\n"); >} >} > >CODE 2 > >function test():void{ > >var loop:int = 0; >var i:int = 0; >var j:int = 0; >var now:Date = new Date(); >var d:Number = 1.1; >for(i=0;i<10;i++){ >for(j=0;j<10000000&&(d*=1.0000001)>1;j++){ > >   >} >now = new Date(); > >text.text+=(""+now.getTime()+" "+d+"\n"); >} >} > >RESULT >1 >1265207560811 2.9901098635452765 >1265207562139 8.127960905517952 >1265207563374 22.094087340094895 >1265207564593 60.05795316514031 >1265207565764 163.25443467583585 >1265207567061 443.7715412652174 >1265207568389 1206.2960569981067 >1265207569624 3279.052489441804 >1265207570921 8913.38835614975 >1265207572124 24229.100401210693 > >2 >1265207634858 2.9901098635452765 >1265207634968 8.127960905517952 >1265207635077 22.094087340094895 >1265207635171 60.05795316514031 >1265207635280 163.25443467583585 >1265207635374 443.7715412652174 >1265207635483 1206.2960569981067 >1265207635577 3279.052489441804 >1265207635686 8913.38835614975 >1265207635780 24229.100401210693 > >Do anyone know what's the cause. This is because the test is run under debug mode, after I export the project as release build the problem is gone.