Monica Palaseanu-Lovejoy wrote:

Hi,

I am trying to increase the memory R can use. I am running R under Windows on a machine with 2 GB of physical RAM and 4GB of paged memory.

I wrote in the R property windows --sdi --max-mem-size=4094M, but the R itself when it is doing a bayesian modelling (geoR) it stops at 1,096K and i get memory errors because it cannot allocate a new segment of about 500K of memory.

In that case either
a) your memory is too fragmented and you should start a new R session or
b) or you need much more than 500K, and you are just getting the error from one allocation (out of many) that fails.


The next question is which version of Windows this is. Some versions do not support that much memory, others have a hole of 512M (???, PCI address space is within the 4GB address space, AFAIR)...


I don't have Visual Basic so i cannot use the other commands suggested in Help.

Also, if i am using memory.size(max=TRUE) i get a value corresponding to about 1024K, and if i am using memory.limit(size=NA) i get a value of about 4000K.

I hope you mean about 4000*M*... Or more precisely, what you get is: > 4094*1024*1024 [1] 4292870144

Uwe Ligges


How can i force R to use more memory?

thank you for any suggestion,

Monica
Monica Palaseanu-Lovejoy
University of Manchester
School of Geography
Mansfield Cooper Bld. 3.21
Oxford Road
Manchester M13 9PL
England, UK
Tel: +44 (0) 275 8689
Email: [EMAIL PROTECTED]

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