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 [email protected], "Tomasz Janeczko" <gro...@...> 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" <mkec...@...> > To: <[email protected]> > 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 > > > > > > > > ------------------------------------ > > > > **** IMPORTANT PLEASE READ **** > > This group is for the discussion between users only. > > This is *NOT* technical support channel. > > > > TO GET TECHNICAL SUPPORT send an e-mail directly to > > SUPPORT {at} amibroker.com > > > > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at > > http://www.amibroker.com/feedback/ > > (submissions sent via other channels won't be considered) > > > > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > > http://www.amibroker.com/devlog/ > > > > Yahoo! Groups Links > > > > > > >
