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I did Bob, should've mentioned that. All ATC's are each specific
ticker related and pretty much similar, but I did try combining
different ones to make sure there's not one "spoiler".
-treliff
--- In amibroker@xxxxxxxxxxxxxxx, "Bob Jagow" <bjagow@xxxx> wrote:
> "These jumps in execution time"?
> Did you, for example, try replacing the offending 17th statement
with the
> 18th?
>
> -----Original Message-----
> From: treliff [mailto:treliff@x...]
> Sent: Monday, April 26, 2004 8:47 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Q. re. AddToComposite execution time
>
>
> I am running a pretty intense AddToComposite scan on a collection
of
> stock options. Within this scan there are (so far, I'm only just
> beginning) 30 separate ATC statements that will create hundreds of
> artificial tickers. I interrupted the scan with some 97 minutes to
> go...
>
> I then split the formula into two scans of 15 ATC's each (but
> running over the same collection of issues) and it turned out each
> separate scan takes about one minute. I drilled down a bit further
> and discovered that 16 statements also take about one minute but as
> soon as I add the 17th execution time jumps to 44 minutes (I
> actually let this scan run for about ten minutes to make sure the
> estimated remaining time was indeed correct) .
>
> Of course 17 is no magic number here, all will depend on the #
> issues scanned, the complexity of the formulas and PC power. The
> heart of the matter is:
>
> - is there an explanation for these "jumps" in execution
> time, and
> - is there a setting I can change in my PC so it will be able to
> handle a larger scan?
>
> Thanks for your advice.
>
> -treliff
>
>
>
>
>
>
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