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I forgot to mention that the maximum time span that needs to be examined is 45 days, the processor is an AMD 1000 and there is 768 MB of RAM that is NOT DDR. The computer is a PowerSpec from Microcenter bought in early 2002. Ron D
----- Original Message -----
From: mrdavis9
To: amibroker@xxxxxxxxxxxxxxx
Sent: Friday, September 10, 2004 11:00 AM
Subject: Re: [amibroker] computer Memory usage
I am running some custom smoothing code on EOD data, and this smoothing code is used for actual trading purposes, not for backtesting.
There are 230 different ema's, and all of these ema's are AFL functions, as opposed to price or volume. The average number of bars in each of these 230 AFLfunctions is 23, which gives a total of 6290 bars that have to be examined for each day that the code is run.
What values should I have for IN MEMORY CACHE, and NUMBER OF BARS TO LOAD in Preferences>data.
Remember, this only for finding real life trading setups, not for backtesting. TIA for any suggestions. Ron D
===========================================
----- Original Message -----
From: Tomasz Janeczko
To: amibroker@xxxxxxxxxxxxxxx
Sent: Thursday, September 09, 2004 4:32 AM
Subject: Re: [amibroker] computer Memory usage
Ed,
Go to Tools->Preferences, "DATA" tab and enter 11
into "In-memory cache" field.
This will solve your problem.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "ed nl" <ed2000nl@xxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Thursday, September 09, 2004 11:02 AM
Subject: [amibroker] computer Memory usage
> hi,
>
> one of my computers crashed and apparently the motherboard broke down. I have 500 MB internal memory. When I do a backtest (on the
complete NYSE or NASDAQ market -I use QP2-) it uses all the memory but when it is finished it still uses 448 MB memory, it does not
free it. I noticed this is the same basicly on another computer (which has 256 + 128 MB memory). But this AMD Athlon is slowed down
dramatically by the process, it basicly paralizes my computer. Only by exiting Amibroker I get this memory back. Never noticed this
being this dramatic before (also because usually I do not do a backtest on a complete market). Is this a computer problem you think?
Or do I need to change a setting in Windows?
>
> regards, Ed
>
> [Non-text portions of this message have been removed]
>
>
>
>
> Check AmiBroker web page at:
> http://www.amibroker.com/
>
> Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> Yahoo! Groups Links
>
>
>
>
>
>
Check AmiBroker web page at:
http://www.amibroker.com/
Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
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