Thanks TJ. I do know about Quick AFL and I have read that document throughly before.
But I can't see how it applies in this case with these specific examples. And I definately can't see the difference between one being inside a function or not. Can you explain? TIA --- In [email protected], "Tomasz Janeczko" <[EMAIL PROTECTED]> wrote: > > Please read this: > > http://www.amibroker.com/kb/2008/07/03/quickafl/ > > Best regards, > Tomasz Janeczko > amibroker.com > ----- Original Message ----- > From: "sidhartha70" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Saturday, September 20, 2008 12:50 AM > Subject: [amibroker] Confusing Behaviour...!!! > > > > Hi, > > > > I'm trying to get some code to run as fast as possible. As such I've > > been studying the 'Display Chart Timing' option under preferences>misc. > > > > I've noticed some behaviour that I can't explain. I hope others may be > > able to. > > > > Firstly I notice that when my chart requires 10,000+ bars I start to > > notice latency in AmiBroker, despite running a very fast PC. I assume > > that is normal at that number of bars...? > > > > So here's the problem... > > > > Under normal circumstances my code requires 297 previous bars. > > > > However, If I add the following lines, the number of previous bars > > required increases by 5,000 for each instance. So after these three > > lines of code I am now needing 15,297 pervious bars. > > > > H1=SelectedValue(TimeFrameGetPrice( "H", inDaily, -1 )); > > L1=SelectedValue(TimeFrameGetPrice( "L", inDaily, -1 )); > > C1=SelectedValue(TimeFrameGetPrice( "C", inDaily, -1 )); > > > > Even stranger, when I add the following line of code into the main > > body of code, > > > > test=((BarCount - 1) - LastValue(TroughBars(L, 0.05,10))); > > > > It adds 500 bars to my previous bars required (total new 797). > > > > However if I call a function and simply return the following, > > > > return ((BarCount - 1) - LastValue(TroughBars(L, 0.05,10))); > > > > It now requires 5,000 previous bars instead of the 500 outside of the > > function (total now 5,297). > > > > Can anyone explain this behaviour...? > > > > Many Thanks > > > > > > > > > > ------------------------------------ > > > > Please note that this group is for discussion between users only. > > > > To get support from AmiBroker please send an e-mail directly to > > SUPPORT {at} amibroker.com > > > > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > > http://www.amibroker.com/devlog/ > > > > For other support material please check also: > > http://www.amibroker.com/support.html > > Yahoo! Groups Links > > > > > > >
