Re: [petsc-users] how to simultaneously perform the partition of the unstructured mesh and reduction bandwidth of the resulting sparsematrix

[丁老师]

which petsc function perform the reordering of the matrix








At 2013-09-13 02:54:38,"Barry Smith" <bsm...@mcs.anl.gov> wrote:
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>On Sep 12, 2013, at 12:59 PM, Jed Brown <jedbr...@mcs.anl.gov> wrote:
>
>> Matrix bandwidth minimization is an (imprecise) optimization to improve
>> cache reuse.  So just partition globally and then reorder locally.
>
>   The mesh, before you start the linear algebra.
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