[amibroker] Re: profiler checks and finds cci function most offending

["murthysuresh" <money@xxxxxxxxxxxxxx>]

my initial thinking was that it should use quickafl for doing just 
the cci calculation. 
i though i read somewhere TJ comments that the built in formulas are 
very quick. but cci does not seems to be the case.

--- In amibroker@xxxxxxxxxxxxxxx, Dennis Brown <see3d@xxx> wrote:
>
> Yes, CCI is a calculation time hog.  It is the nature of the CCI  
> algorithm.  I use CCI sparingly and never recalculate them if I 
can  
> save the result from a previous calculation.  The real time 
penalty  
> comes when referencing a large range, as CCI calculates the whole  
> range for each bar.  Look up the actual CCI algorithm and you will  
> understand.  Depending on the details of what you are doing, it 
might  
> be possible to save out the CCI as an ATC instead of recalculating 
it  
> over and over if for instance you were using it with an optimize 
for  
> other parameters that do not affect it.
> 
> BR,
> Dennis
> 
> On Aug 22, 2008, at 9:21 AM, murthysuresh wrote:
> 
> > the cci function provided by afl seems to cause .5 seconds to
> > calculate. i find that to be astonishing.
> >
> > here are the screenshots of the profiler showing the overall 
timing
> > with and without the cci.
> > i am lost for words and dont know what to do as cci is a big part 
of  
> > my
> > charting exercise
> >
> > http://screencast.com/t/NInZ3HQK with cci
> > http://screencast.com/t/Dlki7CxwJ without cci
> >
> >
> > ------------------------------------
>



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