Hello, http://en.wikipedia.org/wiki/Virtual_memory http://en.wikipedia.org/wiki/Virtual_address_space
Best regards, Tomasz Janeczko amibroker.com ----- Original Message ----- From: "Steve Dugas" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, September 15, 2008 12:20 AM Subject: Re: [amibroker] AmiBroker 5.17.0 BETA released > TJ, thank you for adding /3GB ability, now I am able to run 4 instances > with larger opts than before - I still haven't hit the new limit yet. > 8 - ) But if you or anyone knows, I guess I still don't understand > exactly how the memory limitations work. I have 4G of RAM. At first I > thought that with virtual memory ( paging file ), I would be able to > effectively have more than 4G. Then I learned that 32-bit windows can only > allocate 4G, and apps are limited to 2G, or 3G with /3GB switch. But when I > finish running large opts and then look at Task Manager, it *looks* like, > with the paging file included, I *do* have more than 3G available to me. I > have included some stats from Task Manager below - could anyone explain to > me exactly how this works and if it is possible to know in advance how much > total memory I can use? Thank you! > > Steve > > Task Manager stats after running 4 simultaneous large Opts > ----------------------------------------------------------- > > Page file usage = 3.79 G > > Commit Charge ( total memory allocated to apps and OS ) > total = 3.999 G > limit = 9.409 G > peak = 5.147 G > > Physical Memory ( RAM ) > total = 3.406 G > available = 2.757 G > system cache = 0.579 G > > > ----- Original Message ----- > From: "Tomasz Janeczko" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Tuesday, September 09, 2008 1:44 PM > Subject: Re: [amibroker] AmiBroker 5.17.0 BETA released > > >> Hello, >> >> This is now fixed. >> >> >> >> CHANGES IN VERSION 5.17.1 (as compared to 5.17.0): >> >> a.. In 5.17.0 "Current symbol" selection in AA always used first symbol >> in the database. Fixed. >> http://www.amibroker.com/devlog/2008/09/09/amibroker-5170-beta-released/ >> >> >> Best regards, >> Tomasz Janeczko >> amibroker.com >> ----- Original Message ----- >> From: "Prashanth" <[EMAIL PROTECTED]> >> To: <[email protected]> >> Sent: Tuesday, September 09, 2008 7:18 PM >> Subject: Re: [amibroker] AmiBroker 5.17.0 BETA released >> >> >>> Hllo Tj, >>> >>> I am facing the same problem. >>> >>> If I click on either BackTest or Individual Backtest after selecting >>> Apply >>> to Current Symbol, it runs the backtest on the First Symbol of the >>> Database >>> ir-respective of which ticker is currently displayed. >>> >>> Regards. >>> >>> Prashanth >>> >>> ----- Original Message ----- >>> From: "Tomasz Janeczko" <[EMAIL PROTECTED]> >>> To: <[email protected]> >>> Sent: Tuesday, September 09, 2008 21:51 >>> Subject: Re: [amibroker] AmiBroker 5.17.0 BETA released >>> >>> >>>> I have run backtest /individual over current symbol and over watchlist >>> without any problems. >>>> >>>> 5.17 is highly recommended over 5.16 as >>>> 5.16 has a bug causing it to occassionally create very large files on >>> disk. >>>> All users should upgrade to 5.17 if they use any earlier beta. >>>> >>>> Best regards, >>>> Tomasz Janeczko >>>> amibroker.com >>>> ----- Original Message ----- >>>> From: "Boris Kanevsky" <[EMAIL PROTECTED]> >>>> To: <[email protected]> >>>> Sent: Tuesday, September 09, 2008 5:59 PM >>>> Subject: Re: [amibroker] AmiBroker 5.17.0 BETA released >>>> >>>> >>>> >>>> > Hi Tomasz! >>>> > I have problem to run AmiBroker 5.17.0 BETA on AA, >>>> > when I try to backtest Individual stock from watchlist.? >>>> > When I return to 5.16.0 BETA it works fine. >>>> > >>>> > ------------------------------------ >>>> > >>>> > 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 NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: >>>> > http://www.amibroker.com/devlog/ >>>> > >>>> > For other support material please check also: >>>> > http://www.amibroker.com/support.html >>>> > Yahoo! Groups Links >>>> > >>>> > >>>> > >>>> >>>> ------------------------------------ >>>> >>>> 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 NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: >>>> http://www.amibroker.com/devlog/ >>>> >>>> For other support material please check also: >>>> http://www.amibroker.com/support.html >>>> Yahoo! Groups Links >>>> >>>> >>>> >>> >>> >>> ------------------------------------ >>> >>> 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 NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: >>> http://www.amibroker.com/devlog/ >>> >>> For other support material please check also: >>> http://www.amibroker.com/support.html >>> Yahoo! Groups Links >>> >>> >>> >> >> ------------------------------------ >> >> 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 NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: >> http://www.amibroker.com/devlog/ >> >> For other support material please check also: >> http://www.amibroker.com/support.html >> Yahoo! Groups Links >> >> >> >> > > > > ------------------------------------ > > 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 NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > http://www.amibroker.com/devlog/ > > For other support material please check also: > http://www.amibroker.com/support.html > Yahoo! Groups Links > > >
