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If for some reason you think MUST run exhaustive search and they're large then get a multiprocessor / multicore machine and use MCO ... It's a freebie in the Files Section.
With that in mind I've yet to see the optimization problem that I thought necessitated exhaustive search.
----- Original Message -----
From: dingo
Date: Wednesday, March 11, 2009 10:22 am
Subject: Re: [amibroker] Re: OT: Computer recommendation for AB optimizing
To: amibroker@xxxxxxxxxxxxxxx
> IMHO - you should do everything you can to be able to run IO.
> There are ways
> to make discontinuous variables continuous for optimizations.
> Mind posting
> an example of yours?
>
> d
>
> On Wed, Mar 11, 2009 at 9:33 AM, dingo wrote:
>
> > Intel dual core i7 with fast clock - AB only uses 1 core. 3gig
> mem. Intel
> > SLC flash (if you've got the money otherwise WD Raptor).
> Medium video card.
> >
> >
> > d
> >
> > On Wed, Mar 11, 2009 at 12:57 AM, ozzyapeman
> wrote:>
> >> I should add that I need to run exhaustive optimizations, as
> opposed to
> >> CMAE or using Fred's IO, as my variables are discontinuous -
> not traditional
> >> indicator-type variables.
> >>
> >> In my parallel dream life, I run AB Ultra Professional 7.0 on
> 8 state of
> >> the art graphics cards, with thousands of processors, 500,000
> times faster
> >> than good old AB 5.24.
> >>
> >> But I digress. ;-)
> >>
> >> In the real world, what is the best I can do?
> >>
> >>
> >> --- In amibroker@xxxxxxxxxxxxxxx, "ozzyapeman"
> wrote:>> >
> >> > Now that I am just about trading full time, my main PC has
> become a
> >> dedicated trading computer. That only leaves me with a clunky
> second PC
> >> (6-years old) for doing offline optimizing. And it's waaay
> too slow.
> >> >
> >> > So I am in the market for a new PC, and want to get
> something powerful,
> >> but don't want to overpay for stuff that won't be used. For
> example, 8GB of
> >> RAM sounds great, but if WinXP only uses 4GB (or 3?) then I
> imagine the
> >> other 4 GB just goes to waste?
> >> >
> >> > If I plan to use this PC mainly for offline optimizing and
> backtesting,>> what are the recommended specs? I want as much
> speed as I can possibly get.
> >> My optimizations tend to be humongous, taking days on a quad core.
> >> >
> >> > Any hardware gurus please feel free to chime in:
> >> >
> >> > - RAM?
> >> > - Quad-core vs Eight-core?
> >> > - OS?
> >> > - HD type (flash vs mechanical)?
> >> > - any other hardware/software suggestions for increasing speed?
> >> >
> >> > Thanks!
> >> >
> >>
> >>
> >>
> >>
> >> ------------------------------------
> >>
> >> **** 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
> >>
> >>
> >>
> >>
> >
>
__._,_.___
**** 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/
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