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May be Its alright for you to change your subject to this. But I DO
NOT WANT TO discuss Code Check and Profile. I was talking about
QuickAFL which part of the Beta Release. I dont want what I want to
my post to be dragged onto a different topic. Please do not change my
subject in the future. You can start your own thread.
--- In amibroker@xxxxxxxxxxxxxxx, "J. Biran" <jbiran@xxx> wrote:
>
>
> Can I suggest changing the subject line when the subject
> changes? It is really hard to keep track of what the
> messages are about when they ALL have same subject while
> spanning the globe with contents
> I have noticed that the excution times reported by this tool
> are not always consisitent. When repeating the test multiple
> times, once in a while the result changes dramatically. But
> it is still helpful.
>
> Joseph Biran
> ____________________________________________
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx
> [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of Paul Ho
> Sent: Saturday, July 05, 2008 8:32 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: AmiBroker 5.14.0 BETA released
>
> Hi
> I have just done some checking on my afls. I have been
> custom cuting
> databases for a few years now to speed up run time. So I
> know
> from experience how much data these afls need before the
> start date.
> In looking at Code Check & profile, One of the AFLs state I
> need 4342
> past bars before the start date, which is approx 20 years of
> daily
> data. I only have approx 18 years. So using QuickAFL wouldnt
> make any
> difference to the execution time. But from experimenting
> with various
> starting date in my custom database, I know that this afl
> only needs
> 400 bars (1 & 1/2 years) of data before the start date.
> Obviously,
> 400 bars back would make a marked difference in speed (thats
> why I
> started this years ago).
> I do not know why there is a difference between what AB
> calculates
> and what it actually uses.
> I also notice that setting the bars required manually to
> something
> less than what Code and Profile says makes no difference to
> either
> the results (which I would expect to ) or runtime. Is that
> correct
> that setbarsrequired cannot be set to less than What AB
> calculates?
>
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