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Speeding up NinjaTrader with a RAM drive (ramdisk)
Thanks to @Beljevina and @Big Mike for those posts. A lot of time went into that first one.
I'm not one to tolerate poorly coded indicators. But with multi time frame indicators that are taking the votes of MACD's that may be running on 50 different time frames in one chart panel, with three of those on one chart, and three or more charts like that in each of four workspaces running at the same time, there is no way around having an obscene amount of CPU demand.
Oh yeah, I just started running the mtf indicators on COBC false... so far so good.
The way the charts flash when the workspaces load is almost scary. But the charts really don't freeze very often.
"If we don't loosen up some money, this sucker is going down." -GW Bush, 2008
“Lack of proof that something is true does not prove that it is not true - when you want to believe.” -Humpty Dumpty, 2014
“The greatest shortcoming of the human race is our inability to understand the exponential function.” Prof. Albert Bartlett
Can you help answer these questions from other members on NexusFi?
I tried ram disk and it quit working for me, but my computer is kind of fast anyways. I have 28gigs ram, 1.5 TB hard drive, but I am having problem getting NT to communicate with excel or vise versa. I have tried DDE into NT but can not get office 2013 to accept it. But that is a subject for another place.
I was wondering - how many charts you can have open so that you don't get slowing problem?
I noticed that if I have more than 3 instruments open (especially ES being one of them), when the US market opens, I have this problems of freezing quotes, sometimes disconnections.
Would be nice to know others experience.
That's not really a question for this thread, but I do not get the same issue.
Try making a copy of the workspace and remove all of the indicators and then see if you get the same issue. If not, add the indicators back one by one to see if you find one that is causing the problem.
Also, check that you don't have other workspaces open unintentionally. In the control centre menus, File -> Workspaces will show a list of open workspaces at the bottom. There should be one listed unless you intend to run more than one workspace.
I'm just running Ninja on Windows XP on virtual machine under Linux. Even with regular hard drive a performance is great.
An attached picture has a disk performance comparison for "bare metal" system with SATA-III disk (red color) and a VM on system with SATA-II disk (!). As you can see a random read/write is somewhat 100 times faster while running under VM.
