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Hi Tomasz,
This is good news. But for some reason I am not experiencing the same
results. I am sure it is operator error on my end. My version of the
TC2000/TCNet Plug-in is 1.4.3. And for some reason states it is not
certified.
Each of my subsequent scans are different and not only need calculations to
be performed as part of the filters, but I have calculations that are
required for display only.
Regards,
Dave
-----Original Message-----
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of Tomasz Janeczko
Sent: Tuesday, July 11, 2006 12:51 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Scan/Explore Times
Yes this is so becasue TC2000 plugin has a performance tweak inside so if it
finds out that AB's own database is in sync with external database it does
not request all bars from TC2000 but only the last one.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "EF" <fasttrader@xxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Tuesday, July 11, 2006 4:48 AM
Subject: RE: [amibroker] Scan/Explore Times
> Dave,
>
> Yes, if you read the text of my last post. I saved the database after
> scan 1 and went to scan 2(different scan) and saved database again. By
scan
> 3 (again a different scan), I was back down to Avg speed of 50 seconds for
> all subsequent scans.
>
> EF
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
Behalf
> Of MarketMonk777
> Sent: Monday, July 10, 2006 7:29 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Scan/Explore Times
>
> Curious to know if you have solved the problem. What is the status?
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
Behalf
> Of EF
> Sent: Monday, July 10, 2006 7:43 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Scan/Explore Times
>
> May have figured it out. Tomasz mentioned that I might have been scanning
> against a native database. No, I have always scanned against the TC 2005
> database. But what I did do, was after I had done my first scan, I saved
> the database. Next scan which was a different from the first scan
occurred
> in half the time. Saved the database again. My third scan (again
different
> from the prior 2) occurred in about 50 seconds. All scans from there,
> occurred in about the same time. I am scanning the TC2005 database group
of
> stocks in all cases.
>
> EF
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
Behalf
> Of MarketMonk777
> Sent: Sunday, July 09, 2006 4:07 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Scan/Explore Times
>
> Post the code or shoot it to me via a private email and I will run it
> against my database. Another thing is even though your scanning or
filters
> may not have changed - did you add any additional colums for display that
> require calculations?
>
> Each of my scans take on average 4 to 6 minutes.
>
> Dave
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
Behalf
> Of John Emery
> Sent: Sunday, July 09, 2006 4:03 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Scan/Explore Times
>
> Dave,
>
> I have held everything constant. I am very experienced at computer use,
> so that was the first questions I asked myself. "What has changed?" I can
> not figure out what I might have done that changed the scan times from 50
> seconds to 5 minutes. I even saved my afls and unistalled/reinstalled the
> AB to see I could reset to the original state that gave me the 50 second
> scans. No luck. I came to group to see if anybody else had experienced
> this type of problem and could provide some insight into the issue.
>
> EF
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
Behalf
> Of MarketMonk777
> Sent: Sunday, July 09, 2006 10:11 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Scan/Explore Times
>
> Hi EF,
>
> That's a fairly typical scan time. Has your filter been set to "all
stocks"
> the entire time? Maybe in the past you were looking at a smaller set of
> stocks? Has your code changed in that it requires more computations now?
>
> Regards,
>
> Dave
> MarketMonk777
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
Behalf
> Of fasttrader101
> Sent: Friday, July 07, 2006 3:05 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Scan/Explore Times
>
> I have been using AB for about 8 weeks. Really like the program. I have
> developed an issue that I have not been able to figure out. I used to be
> able to do a scan in about 50 seconds.
>
> About 2 weeks ago, the same scans started to take about 3-4 minutes per
> scan. I have tried to adjust my database size, increased the amount of
> available memory, increased the number of bars and nothing seems to change
> the amount of time needed for a scan
>
> My current settings in Database settings are:
> Using the tc2000 Plugin
> Local Data Storage Enabled
> # of Bars 2000
> Base interval EOD
>
> Megabytes 4000
> In memory cache 8936
>
> any suggestions on how to get back to the faster scans
>
> Thanks
> EF
>
>
>
>
>
>
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to SUPPORT
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For other support material please check also:
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