Paul, btw... one further question. Obviously with trading computers on all day - almost every day - and with energy prices these days being significant, it makes sense in building a system to have one eye on this. I have heard anecdotally that graphics cards are the real power hogs...? Is there such a thing as an energy efficient graphics card option...?
Also, any recommendations on 24 inch monitors...? Thanks Rob --- In [email protected], "Rob" <sidharth...@...> wrote: > > Paul, > > That was super helpful. Thank's very much. > > Yeah, the little bit I'm stuck on at the moment is the video card. I need to > run 3 monitors so I guess I need two cards. I don't need anything spectacular > on the 3D front clearly. Just a fast an solid card for charting etc. Any > suggestions...? Or does your original choice still apply. > > I notice you put in 12Gb of memory!!! Wow. I thinking of reducing the memory > of my new system. I have been running an 8Gb memory Mac Pro and the most > memory I have seen myself use if about 2.7Gb of physical memory... so I'm > thinking 6Gb will be enough. Maybe you have some very large AB databases or > lots of symbols...? (I only look at about 30). > > Thanks again > > Rob > > --- In [email protected], Paul D <notanaiqgenius@> wrote: > > > > Hi Rob and other system builders, > > > > In 2009 I built my own i7 920 and overclocked it to a very very stable 3900 > > megahertz. I have XP 64 bit on it. > > > > In a Tradestation forums thread I posted a very detailed shopping list from > > Newegg of all the parts I used (more or less) and show that it can be done > > very > > cheap. In my opinion, the 920 version is (or at least was) the most > > affordable > > in terms of bang for your buck once overclocked. I had some problems > > getting > > things cool enough with all 8 virtual cores going, so I turned off the > > hyperthreading and just run with 4 cores. > > > > > > Attached is a PDF of my shopping list complete with colorful pictures of my > > i7 > > 920 build during and after. FYI, I was going for lowest price rather than > > the > > very nicest stuff, though I did not skimp on mobo, power supply, CPU, or > > memory. > > The case, graphics card, and fans were not the best (or quietest). > > > > > > > > Hope this helps. > > > > Paul > > > > > > > > ________________________________ > > From: Rob <sidhartha70@> > > To: [email protected] > > Sent: Thu, July 22, 2010 2:38:22 AM > > Subject: [amibroker] New System Question > > > > > > 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. > > >
