Thanks TJ. Number of bars in DB setting is set to 175,000 which should sit within my CPU cache as I understand it...? So no benefit to making it smaller. Also, my code is optimized as much as possible using only visible bars + 40 more... one particular lopping section of code has also been programmed as a dll in C++.
--- In [email protected], Tomasz Janeczko <gro...@...> wrote: > > Hello, > > Considering price-to-performance i7-980x is overkill. I would suggest i7-920 > or i7-930 and overclock it slightly. > Both overclock perfectly if only cooling system is appropriate. You would not > see practical difference between 980 and 920 > in typical usage. > Also for real time trading you would get better benefit from decreasing > "number of bars" in the database settings > than from buying new machine. > > Best regards, > Tomasz Janeczko > amibroker.com > > On 2010-07-22 11:38, Rob wrote: > > Hi TJ, > > > > I am considering building myself a new computer system. Basically I am > > running AB on a Mac Pro right now. 8GB Ram (ram is not one my constraints). > > I am running 2 x quad core Intel Xeon X5365 2.99 Ghz processors. > > > > I use AB for real time day trading... (not backtesting)... but I am pushing > > the core I run AB on to the max pretty much (My performance indicator in AB > > runs pretty consistently between 200 - 260%... I also have another 4 charts > > running on another instance of AB to utilise another core. > > > > Question is, in building a new system, what should I be looking for > > maximise AB performance....? Obviously I am looking at the i7 range of > > processors. However, given that I can only utilise one core per instance of > > AB (and I want to run as few instances of AB as possible), should I less > > concerned with going for more cores and more concerned with perhaps > > overclocking the cores I do have...? > > > > I could go the whole hog and overclock a Intel Core i7-980X Extreme Edition > > to 4Ghz... I don't know if that would be overkill given there would be a > > lot of processing power I couldn't access....? (although having 12Mb of > > onboard cache looks attractive since I could run larger DB's in AB more > > quickly). > > > > Any other critical issues I should be thinking of in terms of speed running > > AB...? > > > > Thanks for your time. > > > > > > > > ------------------------------------ > > > > **** 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 > > > > > > > > >
