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Re: st: Op. sys. refuses to provide memory - a cautionary tale


From   Tony <tchiang783@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Op. sys. refuses to provide memory - a cautionary tale
Date   Fri, 20 Aug 2010 16:07:09 -0500

I usually assign a dedicated drive when bootstrapping. That helps a
bit. Too much RAM will slow it down.

Cheers,

Tony


On Fri, Aug 20, 2010 at 1:28 PM, Craig, Benjamin M.
<Benjamin.Craig@moffitt.org> wrote:
> Thanks Nick, I have learned that to truly take advantage of the latest
> version of Stata, 64-bits and 4 or more cores is required. To be a bit
> more specific, lets assume I am using 6-core Stata MP on Windows 7
> Professional, 64-bit for computationally intensive simulation analyses.
>
> Does any listserv member think that I should go from 6 to 12 cores?
>
>  Six Core Processor,X5680,3.33GHz,12M,6.4GT/s
>  Dual Six Core Processor,X5680,3.33GHz,12M,6.4GT/s
>
> Is it worthwhile to upgrade from RAM and Hard drive? For example,
>
>  12GB DDR3 ECC SDRAM Memory,1333MHz,6X2GB
>
>  1TB SATA 3.0Gb/s,7200 RPM HardDrive with 32MB DataBurst Cache
>
> The purpose is real world speed, so has anyone actually noticed if going
> up to 24GB RAM, solid state drive expedited your jobs? In theory, it
> should, but I am hoping that someone has purchase a computer recently to
> test this hypothesis.
>
> Cheers,
> Ben
>
>
> Benjamin M. Craig, PhD
>
> Assistant Member, Health Outcomes & Behavior, Moffitt Cancer Center
>
> Associate Professor, Economics, University of South Florida
>
> 12902 Magnolia Dr, MRC-CANCONT, Tampa, FL 33612-9416
>
> Phone (813) 745-6710; Fax (813) 745-6525
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
> Sent: Friday, August 20, 2010 5:00 AM
> To: 'statalist@hsphsun2.harvard.edu'
> Subject: RE: st: Op. sys. refuses to provide memory - a cautionary tale
>
> I think this partially answers itself in that I don't think that it can
> fairly be expected that a company website is a proper place for a
> company, in this case StataCorp, to offer opinions about anything that
> is currently controversial.
>
> That said, Benjamin's question is obviously practical and a fair one for
> members of this list to venture opinions and comment from experience. In
> addition, presumably people other than econometricians are not excluded.
>
>
> Nick
> n.j.cox@durham.ac.uk
>
> Craig, Benjamin M.
>
> To clarify, the website answers essential questions (which systems are
> supported?) and provides some advice and education. I need to know more
> details on current controversies relating to multiple core, 64-bit and
> drive speeds in the real world. In this sense, it is a bit incomplete to
> say that more core, more bits, and faster drives are preferable. As was
> previously post, I had thought that a 32-bit dual core desktop was good
> enough for my needs, and was woefully wrong. Others seem to follow...
>
> http://www.stata.com/statalist/archive/2010-07/msg01337.html
>
> If a listserv member has tried STATA MP on multiple machines, I would
> like to know what worked best so that I can buy one. There is an obvious
> caveat: speed depends on the task. However, I would counter that some
> data are better than none. For example, I recently bootstrapped a ML
> with 1000 iteration and inequality constraints. It took 4 weeks. Do you
> think your machine can do better? Personally, I do not use stata for
> database management, and doubt that many econometricians do. If someone
> has a good analytics machine, and he/she thinks that it works well, I'd
> like to know its components. Maybe a consensus will emerge. Maybe not.
>
> Martin Weiss
>
> In which respect is the Stata website "incomplete"? There is advice at
> http://www.stata.com/products/opsysmp.html, and how is the website
> supposed to give more detailed advice? It does not know your specific
> setup, hence the reluctance to go into greater depth...
>
> Craig, Benjamin M.
>
> Okay, I give up... I need a new machine. Due to institutional policies,
> I need to buy a Dell. Otherwise, I would very much like any advice on
> this purchase. My best guess is a 64-bit 8-core desktop for a 6-core
> version of Stata MP. I don't need a rocket, just a racecar.
>
> If you have any specifications that you would like to share with me,
> please send them directly or post them on the listserv for others
> looking to upgrade. I have read the Stata website, which seems
> incomplete.
>
>
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