[petsc-users] MPI partitioning

[Alexander Goncharov]

On 04/04/2013 11:39 AM, Barry Smith wrote:
> On Apr 4, 2013, at 1:18 PM, Alexander Goncharov <alexvg77 at gmail.com> wrote:
>
>> Dear Petsc users,
>>
>> I have a question regarding FEM mesh partitioning.
>>
>> When I create MPI partioning using MPIAdj matrix do I need to optimize FEM bandwidth using MatGetOrdering before calling MatPartitioningCreate function?
>    No, you do not want to do that.
>> Thank you in advance!
>    After you have determined the partitioning you may want to renumber on each process to reduce FEM bandwidth (note this reordering is sequential and just for the local nodes/elements on each process.)
>
>     Barry
>
>
Thank you, Barry!