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st: RE: RE: RE: RE: Error Message: r3900 - Problem with Memory of my Computer system ?!


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: RE: RE: Error Message: r3900 - Problem with Memory of my Computer system ?!
Date   Sun, 16 May 2010 12:49:43 +0200

<>

So, with a 32-bit OS you would struggle to get more performance out of it.
64-bit is an obvious way out. 

10.1, of course, is not the latest version of Stata. As a small bonus, Stata
11 does not make a fuss about 32 or 64-bit, you simply choose the
appropriate version during installation. Under Stata 10.1, I recall paying a
small fee to go to 64-bit.


HTH
Martin


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Pascal Stock
Sent: Sonntag, 16. Mai 2010 12:35
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: RE: RE: Error Message: r3900 - Problem with Memory of my
Computer system ?!

Hello Martin,

I am using Windows Vista, a 32-bit OS as my system says, and STATA SE 10.1,
the latest version. Let's see what the archives say about this problem.

Kind regards and thanks a lot

Pascal

____________________________________________
Pascal Stock

Quadrat N4, 8-9
68131 Mannheim
Germany

Phone: +49 (0) 621 - 16753 - 80
Fax: +49 (0) 621 - 16753 - 81
Mobile phone: +49 (0) 178 - 4981887
Email: pascalstock@freenet.de

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Martin Weiss
Sent: Sonntag, 16. Mai 2010 11:14
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: RE: Error Message: r3900 - Problem with Memory of my
Computer system ?!


<>

Pascal: 

You can search the archive, and will find threads like
http://www.stata.com/statalist/archive/2006-01/msg00357.html where users
have run into this problem. Of course, given the complexity (I imagine) of
-ssc d cmp-, you cannot just pull over to the hard shoulder and take a look
under the hood to split calculations into parts. What you can do is a)
decrease the sample size or b) get more memory. What is your current
hardware setup? What`s your OS? With 64-bit OSes and 64-bit Stata, you
almost never run out of memory.


HTH
Martin


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Pascal Stock
Sent: Sonntag, 16. Mai 2010 11:02
To: 'Pascal Stock'; statalist@hsphsun2.harvard.edu
Subject: st: RE: Error Message: r3900 - Problem with Memory of my Computer
system ?!

Hello STATAusers,

Martin gave me the extremely helpful advice to use the ?cmp? command to
implement a three-stage selection model. So far it works fine. However, when
modeling the three-stage system with two selection equations and 1,000,000
observations I get the following error message when cmp tries to estimate
the combined model:

<istmt>:  3900  unable to allocate real <tmp>[1224521,46]
r(3900);

I already allocated the maximum memory (1000m) and matsize (10,000) to
STATA. I still get this error message.

So you have an idea how to solve the memory problem?

____________________________________________
Pascal Stock

Quadrat N4, 8-9
68131 Mannheim
Germany





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