[R] Win Server x64/R: Memory Allocation Problem

[Dirk Eddelbuettel]

On Wed, Jul 14, 2010 at 05:51:17PM +0200, will.eagle at gmx.net wrote:
> Dear all,
> 
> how can I use R on a 64-bit Windows Server 2003 machine (24GB RAM) with more than 3GB of working memory and make full use of it.
> 
> I started R --max-mem-size=3G since I got the warning that larger values are too large and ignored.
> 
> In R I got: 
> > memory.size(max=FALSE)
> [1] 10.5
> > memory.size(max=TRUE)
> [1] 12.69
> > memory.limit()
> [1] 3072
> 
> but when I run the next command, I get an error:
> >climb.expset <- ReadAffy(celfile.path="./Data/Original/CLIMB/CEL/")
> Error: cannot allocate vector of size 2.4 Gb
> 
> Here is the R version I am using:
> platform       i386-pc-mingw32              
> arch           i386                         
> os             mingw32                      
> system         i386, mingw32                                       
> version.string R version 2.11.1 (2010-05-31)
> 
> What can I do?

Maybe you want to consider switching to the 64-bit version of R.

-- 
  Regards, Dirk