[GAP Forum] Allocating 8G memory

Steve Linton sal at cs.st-andrews.ac.uk
Tue Oct 7 20:25:29 BST 2008

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.


On Tue, 7 Oct 2008 20:05:07 +0100
"Attila Egri-Nagy" <A.Egri-Nagy at herts.ac.uk> 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
> _______________________________________________
> Forum mailing list
> Forum at mail.gap-system.org
> http://mail.gap-system.org/mailman/listinfo/forum

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

More information about the Forum mailing list