[petsc-users] Conversion between AIJ & BAIJ
Barry Smith
bsmith at mcs.anl.gov
Tue Jan 20 16:39:02 CST 2015
You can do a MatConvert() (requires another copy of the matrix) for the parts that benefit from BAIJ.
Barry
> On Jan 20, 2015, at 4:33 PM, Chung-Kan Huang <ckhuangf at gmail.com> wrote:
>
> Hi,
>
> Does PETSc provide means for conversion between AIJ & BAIJ.
>
> My matrix is created as AIJ because it makes life easy for most part of the applications but some part of applications actually get some benefits with BAIJ. So I wonder if a matrix can exist as two idenfities and I can use either format depend on which one is more convenient at run time.
>
> So in my case the block size is fixed and identical for all blocks.
>
>
> Thanks,
>
>
> Kan
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