If you compile GAP in 64 bit mode (check the value of 
GAPInfo.BytesPerVariable it should be 8)

then there should be no problem allocated 8GB of memory.

how to compile in 64 bit mode and whether it is the default, depend on your C
compiler setup.

        Steve

On Tue, 7 Oct 2008 20:05:07 +0100
"Attila Egri-Nagy" <[EMAIL PROTECTED]> wrote:

> Hello,
> 
> I wonder what is the current situation regarding the allocation of big
> amount of memory for GAP? We have 8GB and Xeon 64bit processors, but there
> seem to be a limit around 2GB. We run GAP on Ubuntu and the linux kernel is
> compiled to handle the 8GB.
> 
> Any ideas?
> 
> Thanks!
> Attila
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-- 
Steve Linton    School of Computer Science  &
      Centre for Interdisciplinary Research in Computational Algebra
             University of St Andrews    Tel   +44 (1334) 463269
http://www.cs.st-and.ac.uk/~sal          Fax   +44 (1334) 463278   
The University is a charity registered in Scotland : No SC013532

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