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Hi Tomasz,
What is the the difference in terms of performance/speed between
-running 64 bit Amibroker on x64 windows and
-running 32 bit Amibroker on x64 windows?
Thanks,
Zozu
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> wrote:
>
> Hello,
>
> You guys seem to have some crazy expectations. Your computer hardware has limits !
>
> Let me calculate,
>
> 8 years, 1-minute data ? 480 minutes per trading day, 250 trading days per year = 960K bars per symbol
> One bar 40 bytes. One symbol 38MB.
>
> 100 Symbols = 3.8GB
>
> For data alone.
> ===========
>
> Now imagine that if you are running backtest you must have at least TWICE that memory to
> keep intermediate results.
>
> You have simplt run out of memory.
>
>
> Solutions for your "problem":
> 1. Decrease number of symbols
> 2. Decrease number of bars
> 3. Decrease in-memory cache in Tools->Preferences, "Data" to 11 symbols
> 4. Run 64 bit version of AmiBroker on 64 bit version of Windows and have 10GB RAM installed
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "mkecera" <mkecera@xxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Friday, July 31, 2009 9:55 AM
> Subject: [amibroker] AB has for Win32 stopped working problem
>
>
> >I tried backtesting on one minute data (8 years,100 symbols, 1 minute data). I run a strategy that backtested without any problems
> >on 5 minute data and every time I try it on 1 minute data I get an error: AB for Win32 has stopped working. This is when AB is
> >trying to list all the trades in AA. Then I am forced to close AB.
> >
> > Tried to fiddle with the Data settings in preferences to no success.
> > Has anyone encountered this problem before? I would appreciate any help.
> > Thanks.
> >
> > (I have Vista 32)
> >
> > BR,
> >
> > MK
> >
> >
> >
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> >
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>
------------------------------------
**** IMPORTANT PLEASE READ ****
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TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
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