Maciej Veteran   Posts: 297 Joined: 12/19/2003 Location: Paris  User Profile | For what its worth, my I7s are all running 24*7 as as well as running OT I run Chaoshunter from Ward Systems (distributed multi PC, multi core, multi thread) also NeuroTrader (multi threading) and when not doing my trading work, they all run FAH (Folding @ Home) so typically 90-100% utilisation all of the time. Only issues that I have had so far have been power supply failures so I have opted for overkill on the power supplies and since doing that no hardware issues. OT issues do occur fairly often but OT is resilient and manages to carry on after the 60 second duration of the error message which is a real pain when processing a thousand symbols and most of then have this error. From my experience with other financial systems mid-range to mainframe, the Nirvana policy of leaving the core of their software untouched and adding add-ons is very risky and I have to admire how resilient the basic OT is but IMHO without major rework on the architecture Nirvana will hit costly issues; its just a question of time. Overall I wouldn't worry about Xeon or I7, just make sure it has a high clock rate and above all don't bother to overclock anything as that will increase a risk of overheating. By the way my I7 are mostly in small cases; I prefer the smaller mATX or miniATX boards (remember OT won't use additional cards) and the coolers are standard Intel offers or fancier ones that claim to reduce noise levels but then I will only use the 65TDP versions of the I7. Generally the latest generations aren't getting much faster more like getting more efficient. You should look at the total cost of ownership say over a year, so you have the Capex = cost of the hardware and the running costs (Opex). I haven't looked at the TDP of your 2010 Xeons but I'm pretty sure they'll have higher running costs and unless their speed is a lot higher (in gHZ) then it'll cost you more for the same amount of work done. Pity that Nirvana don't publish statistics on which processor would be best but that's about par for most software companies. On memory usage, I haven't noticed OT using a lot of memory so my 16GB of RAM seems easily enough and I have no evidence that OT will load into memory to speed up processing (by the way NeuroTrader does just that). Typically I have up to 3000 stocks and focus on the London & Paris stocks. For the US I trade futures but OT has basically forgotten futures emphasising stocks so I use the Ward Systems software or futures. You suggest that you'll run Win7/10 on Xeons as VMs, which ones Ciitrix, Vmware or one of the others? In my view such virtulisation will work but the bottom line remains how fast are your processors, the VMs won't run @ 4.3 gHZ if your Xeons are capab;e of only 2.3. | |
