Petsc Error

Satish Balay balay at mcs.anl.gov
Tue Oct 9 12:54:19 CDT 2007


On Tue, 9 Oct 2007, Berend van Wachem wrote:

> Hi,
> 
> I am using 32 bit linux (slackware) on a 64 bit opteron. Would using a 64 bit
> linux distro help?

32bit adressing => 4GB max. [both for the OS and a process].  But
generally a single process allocate can allocate only 2GB or 3GB - not
4GB. [This is OS dependent - as the OS requires the process to use
this remaining addressspace for other things].

64bit linux will avoid this limitation.

Satish




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