[R] Memory Limits in Ubuntu Linux

[Christos Hatzis]

Take a look at Windows FAQ 2.9.  Following the instructions there, I was
able to make WinXP use at least 3GB of RAM (physical RAM installed) with
Rgui.exe.

-Christos

Christos Hatzis, Ph.D.
Nuvera Biosciences, Inc.
400 West Cummings Park
Suite 5350
Woburn, MA 01801
Tel: 781-938-3830
www.nuverabio.com
 

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of 
> davidkat at davidkatzconsulting.com
> Sent: Tuesday, March 06, 2007 3:44 PM
> To: r-help at stat.math.ethz.ch
> Subject: [R] Memory Limits in Ubuntu Linux
> 
> I am an R user trying to get around the 2Gig memory limit in 
> Windows, so here I am days later with a working Ubuntu, and R 
> under Ubuntu. But - the memory problems seem worse than ever. 
> R code that worked under windows fails, unable to allocate memory.
> 
> Searching around the web, it appears that the problem may be 
> the ability to find contguous memory for my big vectors, but 
> a fresh boot of Ubuntu does not help either.
> 
> Which way to go?
> 
> 1) Try to install 64-bit version for bigger address space. 
> Would this help? Is this workable for my Athlon 64 Dual-core? 
> (the live cd seems to work but I never got it to boot after a 
> disk install, but then the 386 version was no better until I 
> learned more about Grub...I could try again if this might solve the
> problem)
> 
> 2) Recompile R to get bigger memory capability? (I'll have to 
> cross-post to some R forums too) This will be a challenge for 
> a Linux newbie...like me.
> 
> 3) Any other suggestions? My goal is to create a bigger 
> neural network than fits in my Windows R version.
> --
> David Katz
>  www.davidkatzconsulting.com
>    541 482-1137
> 
> 	[[alternative HTML version deleted]]
> 
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