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st: More than 3g of memory


From   mathew.stalker@dotecon.com
To   statalist@hsphsun2.harvard.edu
Subject   st: More than 3g of memory
Date   Sat, 20 Oct 2007 11:49:41 +0100

I am attempting to analysis a large dataset (around 1g).  I can read the
data in but run out of memory when using xtreg.

When I try to set memory greater than 3g I get error messages, at 4g I get
r(910) 'value too small' and at 5g or more I get r(912) 'value too large'.

I can set the memory in m blocks but only up to 3800m after which I get the
message 'op. sys. refused to provide memory'.

The machine I am running it on is has fedora 7 64bit and 4g of ram.  I have
stata-se 9 (32 bit).  When I look at ulimit -a there doesn't seem to be any
limitations.

Is there any way of setting more memory than 3800m?

Regards

Mathew

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