[R] R-1.8.0 memory.limit()

[Uwe Ligges]

James MacDonald wrote:

> Using R-1.8.0 (d/l and compiled on 2003-10-01) on WinXP, I seem to be
> unable to determine the maximum memory allocated to R. The help still
> says to use memory.limit(size=NA), but this returns the value NA.
> 
> In addition, I have set --max-mem-size=2G but I run out of memory
> somewhere around 500Mb (which is why I am trying to find out how much
> memory is allocated). I don't have any other programs open, so I should
> certainly be able to address more memory than that.
> 
> Any ideas?

Yes. 2GB is a bit more than the possible theoretical maximal value for a 
single process on 32-bit Windows. Instead, try starting with, e.g., 
"--max-mem-size=1700M" and you'll get

 > memory.limit()
[1] 1782579200

Uwe Ligges


> TIA
> 
> Jim
> 
> 
> 
> James W. MacDonald
> Affymetrix and cDNA Microarray Core
> University of Michigan Cancer Center
> 1500 E. Medical Center Drive
> 7410 CCGC
> Ann Arbor MI 48109
> 734-647-5623
> 
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