[R] Testing memory limits in R??

[Jonathan Greenberg]

You could probably just make a big array and watch "top" usage -- a 5gb 
array would do the trick -- if you can break 4gb you are golden. 

big_vector=c(1:1000000) and keep adding zeroes...

--j

Scott Zentz wrote:
> Hello Everyone,
>
>    We have recently purchased a server which has 64GB of memory 
> running a 64bit OS and I have compiled R from source with the 
> following config
>
> ./configure --prefix=/usr/local/R-2.9.1 --enable-Rshlib 
> --enable-BLAS-shlib --enable-shared --with-readline --with-iconv 
> --with-x --with-tcktk --with-aqua --with-libpng --with-jpeglib
>
> and I would like to verify that I can use 55GB-60GB of the 64GB of 
> memory within R. Does anyone know how this is possible? Will R be able 
> to access that amount of memory from a single process? I am not an R 
> user myself but I just wanted to test this before I turned the server 
> over to the researchers..
>
> Thanks!
> -scz
>
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-- 

Jonathan A. Greenberg, PhD
Postdoctoral Scholar
Center for Spatial Technologies and Remote Sensing (CSTARS)
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