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Dave, odd indeed. I don't have as many stocks as Terry in that my QP
database is only about 8000+ but again using my slowest computer was
still around 2 minutes for both scan and exploration modes. Tomasz is
probably swamped with Marcin on vacation but maybe you will get lucky
and he will have some suggestions.
Regards,
Duke Jones, CMT
MarketMonk777 wrote:
> Well the only thing I can think of then is that the TC2005 database plug-in
> retrieves all available bars for each symbol. The code below only needs 1
> bar. And I can't think of any other parameters or settings to change.
>
> Anyone else using TC2005 and experiencing their explorations running slow?
>
> Dave
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
> Of Terry
> Sent: Tuesday, April 04, 2006 9:48 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Re: TC2005
>
> I have a CSI database, but I ran your test file anyway.
> If I pick N last quotes = 1 it takes 54 seconds to run on 14,400 stocks.
> If I pick all quotes (in this case, 500 bars and 14,400 stocks) it takes
> ~15 minutes to run.
>
> Hope this helps.
> --
> Terry
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
> Behalf Of MarketMonk777
> Sent: Tuesday, April 04, 2006 21:56
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Re: TC2005
>
> Hi Duke,
>
> Here is a sample AFL scan that takes 7 minutes.
>
> PRF = ParamToggle("Check for Price in range?", "No|Yes");
> HCV = Param("High close value ", 50, 5, 300, 0.5);
> LCV = Param("Low close value " , 5, 1, 10, 0.25);
>
> PR = (Close >= LCV AND Close <= HCV);
>
> My_Conditions = IIf(PRF,PR,1);
>
> Filter = My_Conditions;
> Buy = Filter;
>
> AddColumn(C, "Close", 2.2, colorDarkGreen, colorLightGrey);
>
>
> This is simplified down and still takes a while to run. It would be
> nice to
> know where the problem is (if there is one).
>
> Dave
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
> Behalf
> Of Duke Jones, CMT
> Sent: Tuesday, April 04, 2006 8:16 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: Re: [amibroker] Re: TC2005
>
> Dave,
>
> That scan time does seems awfully long. I ran a simple scan of
> C>=(Ref(C,-1)*1.20) and it took only about 2 minutes on an older Dell
> Computer.
> I am not sure how to keep all the data from loading as I have the same
> issue with QP but there might be some other issues that are also
> affecting your scan times.
>
> You might check out Dan Clark's batch scripts or Fred's Batman to help
> automate the task as well which might also save you some run time.
>
> Regards,
>
> Duke Jones, CMT
>
> MarketMonk777 wrote:
>
>> Hi Bill,
>>
>> It is taking about 9 minutes to run my simple exploration. I have it
>> applied to the "Stocks" group and set for looking at the last 1
>>
> day(s).
>
>> My goal is to run multiple explorations back to back, with each one
>>
> saving
>
>> the results to a specific watchlist.
>>
>> If this is the way it is, so be it. This software is 1000x better
>>
> than
>
>> TC2005 and all others out there.
>>
>> Dave
>>
>> -----Original Message-----
>> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
>>
> Behalf
>
>> Of bvandyke
>> Sent: Tuesday, April 04, 2006 4:29 PM
>> To: amibroker@xxxxxxxxxxxxxxx
>> Subject: [amibroker] Re: TC2005
>>
>> Dave,
>> I also use TC2005 and have noticed the same thing. No matter how many
>>
>
>
>> days i set a backtest or exploration to....or what settings i use in
>> File--->database as described in the Help files, i still note
>>
> Amibroker
>
>> apparently scans the #of bars in my TC2005 database.
>>
>> Maybe i'm missing something also. After using what you've tried
>>
> months
>
>> ago and the File--> database settings , which take precedence over
>> Preferences (which i also varied), i just gave up. Maybe somebody
>> knows something we don't.
>>
>> Bill
>>
>>
>> --- In amibroker@xxxxxxxxxxxxxxx, "marketmonk777" <dlittner@xxx>
>>
> wrote:
>
>>
>>
>>> Hi folks,
>>>
>>> I am using TC2005 database as my source for EOD data. I was running
>>>
> a
>
>>> simple exploration to look for all stocks that are up 20% over
>>> yesterdays closing price. Simple enough and it works.
>>>
>>> But what I noticed is that while scanning through my database it
>>>
> seems
>
>>> to be loading all available bars. When I really only need 2 bars.
>>>
> Is
>
>>> there a way to specific this? It would speed up the exloration
>>> significantly.
>>>
>>> Dave
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>> Please note that this group is for discussion between users only.
>>
>> To get support from AmiBroker please send an e-mail directly to
>> SUPPORT {at} amibroker.com
>>
>> For other support material please check also:
>> http://www.amibroker.com/support.html
>>
>>
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>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Please note that this group is for discussion between users only.
>>
>> To get support from AmiBroker please send an e-mail directly to
>> SUPPORT {at} amibroker.com
>>
>> For other support material please check also:
>> http://www.amibroker.com/support.html
>>
>>
>> Yahoo! Groups Links
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
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