[Getdp] Out of memory error message

David Colignon David.Colignon at ulg.ac.be
Thu Aug 19 09:00:13 CEST 2010


Hi John,

if you use the precompiled windows binary, I think it is compiled in 32 bits mode , and then you hit the 2 GB barrier.

Regards,

Dave

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David Colignon, Ph.D.
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On 16/08/10 18:08, John_V wrote:
> I am getting a "[0]PETSC ERROR: Out of memory ... Memory requested 1181331276" message when I attempt to solve a 3D mesh
> with many vertices on my Windows XP 64-bit machine.
>
> Although this is a large amount of memory, it is not close to the hardware or OS limit on this machine.
>
> What determines this memory limitation?
>
> Is there a way around it? (E.g,. by setting appropriate command line options, obtaining a version compiled for 64-bit
> OS, ...)?
>
> John V.
>
>
>
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