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st: Addressing > 2 gig of RAM


From   Jon Eckhardt <jeckhardt@wisc.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: Addressing > 2 gig of RAM
Date   Sun, 19 Jun 2005 22:47:31 -0500

Greetings,

I find myself in a situation where I will be able to save a lot of time if
I could address greater than 2 gig of RAM (somewhere around 4 - 6 gig of
RAM would be optimal) in a single stata process. In other words, I would
like to be able to type:

set memory 5g

from within STATA.

It is my understanding from conversations with folks at STATA:

1. This can be achieved with STATA for Windows under a 64bit version of
Windows

2. This can be achieved with STATA for Linux64 (64 bit version of Linux,
such as Red Hat)

3. This can't be achieved with STATA for MAC OSX, due to limitations of the
64bit implementation of MAC Unix. (I have heard that Tiger is fully 64 bit
compatible <http://developer.apple.com/macosx/64bit.html>) but apparently
the official word from STATA corp. is that MAC OSX STATA can't address > 2
gig of RAM.

If you have experience running STATA under any of these configurations
(Windows, Linux, MAC OSX) where you have been able to address > 2 gig of
RAM, I would appreciate your thoughts regarding the true ability to address
large blocks of RAM. Specifically, I'm interested in information regarding
specific configurations that have worked, although I'm interested in other
thoughts you may have regarding this issue as well.

If the MAC works, I would prefer that platform over Linux or Windows.

Thanks in advance,


Jon





Jon Eckhardt, Ph.D.
University of Wisconsin--Madison


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