----- Original Message -----
Sent: Friday, August 22, 2008 9:36
AM
Subject: Re: [amibroker] Re: profiler
checks and finds cci function most offending
Something is odd...
Using AB 6.16.0 Plot this: Plot(CCI(20),"",2,1);
Gives me this timing:
![]()
herman
Friday, August 22, 2008, 12:30:26 PM, you wrote:
> the default. here is the timings that i am
seeing
> start=GetPerformanceCounter();
> CCIVAL=CCI(14);
> finish=GetPerformanceCounter();
> printf( "lapsedtime in ms = %g ", abs(finish-start)
);
> i am getting 505 ms. does not add up for me. what
else can i look at
> to trouble shoot it.
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx>
> wrote:
>> The timing is somewhat strange. The CCI is
computationally
> intensive (with complexity
>> O(Range * NumBars )) but still your timinings
are weird.
>> I have done check on 80000 bars with rather
long-period CCI( 150 )
> and it takes just 26 ms.
>> You have less bars in your example. What PERIOD
of CCI are you
> using ?
>> Best regards,
>> Tomasz Janeczko
>> amibroker.com
>> ----- Original Message -----
>> From: "murthysuresh"
<money@xxx>
>> To: <amibroker@xxxxxxxxxxxxxxx>
>> Sent: Friday, August 22, 2008 3:21 PM
>> Subject: [amibroker] profiler checks and finds
cci function most
> offending
>> > 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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>> >
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