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Re: st: Re: Memory Settings


From   Erkanda Bujari <eb246@columbia.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Re: Memory Settings
Date   Sat, 8 Jun 2002 23:22:08 -0400 (EDT)

The memory that Stata means is Virtual memory and that is Ram. This is
my understanding as just changed my memory settings.



On Sat, 8 Jun 2002, Alan Riley
wrote:

> Scott Watermasysk (swatermasysk@ConsumerHealthSciences.com) wrote
> > I am using Stata V 7 on a machine with 2 gigs of Ram.
> >
> > My dataset is about 0.8 gigs.
> >
> > For some reason (using windows XP), I can't set the memory more than 1.3
> > gigs, and Stata won't let me open the file because it says there is not
> > enough memory available.
>
> The maximum theoretical amount of memory a process can use on
> a 32-bit Windows machine is 2 GB.  However, Windows typically
> will not give that much memory to any given process.  In our
> testing on various computers with nothing else running other
> than the operating system and a simple memory-allocation application,
> we have seen Windows top out at anywhere from 1.2 to 1.6 GB on
> a machine with 2 GB of RAM.
>
> Scott does not mention whether his .8 GB dataset is already
> in Stata .dta format or if it is ASCII text that he is trying
> to read into Stata with insheet, infile, or infix.
>
> If it is already in .dta format, then I would think that it would
> fit into a Stata with 1.3 GB of memory allocated to it, but would
> need to see more details about the contents of the dataset including
> number of variables, number of observations, and variable types.
>
> If the data is in ASCII text format, it may be that the variable
> types being used to read in the data are such that it would occupy
> much more than .8 GB of memory once loaded.
>
> In either case, if Scott continues to have problems, he should
> contact Stata tech support at tech-support@stata.com with as
> much information about the dataset as possible so that they can
> help him work with it on his machine.
>
>
> --Alan
> (ariley@stata.com)
> *
> *   For searches and help try:
> *   http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>

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*
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