[R] 1024GB max memory on R for Windows XP?

Jonathan Greenberg greenberg at ucdavis.edu
Fri Feb 20 02:52:44 CET 2004

Hmm, I went over to a unix box that should have had plenty of RAM and swap
space and running the same prune.tree process ended up causing R to be
"Killed" (e.g. It quit out).  Thoughts?


On 2/19/04 4:58 PM, "Duncan Murdoch" <dmurdoch at pair.com> wrote:

> On Thu, 19 Feb 2004 15:14:36 -0800, Jonathan Greenberg wrote:
>> I have 2GB installed on my windows XP box running R 1.9.0, and after
>> performing a prune.tree(intree,newdata), I get an out of memory error within
>> R, but it says the maximum allowed is 1024gb (1/2 of what I have!)  Can R
>> not use more than 1GB on an XP box?  I noticed I had ~600mb left over after
>> R conked out, so clearly I had more memory...  What about virtual memory?
> See the FAQ.  You can increase the limit, but not past 2GB (no matter
> how much RAM or virtual memory you've got), and maybe not all the way
> there.
> Duncan Murdoch

Jonathan Greenberg
Graduate Group in Ecology, U.C. Davis
AIM: jgrn307 or jgrn3007
MSN: jgrn307 at msn.com or jgrn3007 at msn.com

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