[Trilinos-Users] Trilinos-Users Digest, Vol 75, Issue 8

[andrea3.villa at mail.polimi.it]

AztecOO returns the code error: Error: Not enough space for domain  
decomposition
That problem may be related to the sizing of the stack memory?


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>    1. AztecOO segmentation fault (andrea3.villa at mail.polimi.it)
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> Message: 1
> Date: Mon, 07 Nov 2011 21:47:04 +0100
> From: andrea3.villa at mail.polimi.it
> Subject: [Trilinos-Users] AztecOO segmentation fault
> To: trilinos-users at software.sandia.gov
> Message-ID: <20111107214704.10676gxo0qnikhkw at webmail.polimi.it>
> Content-Type: text/plain; charset=iso-8859-1; DelSp=Yes; format=flowed
>
> Good evening. I have experienced some "segmentation fault" errors
> during the building phase of the preconditioner in AztecOO. This
> problem is clearly related to the dymensions of the problem since I
> experienced no problem under some millions of degrees of freedoms.
> This problem seems to be machine-independent (it presents in the same
> way using 4gb or 128 gb of ram).
> My question is: Is there any way to enlarge the maximum allocation
> dymension of contiguous memory? Is there any way to let AztecOO work
> above some millions of dofs without using parallel maps?
>
> Thank You for your kind attention.
> Andrea
>
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> End of Trilinos-Users Digest, Vol 75, Issue 8
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