[petsc-users] question about MatCreateRedundantMatrix

[hong at aspiritech.org]

Michael,
We have support of MatCreateRedundantMatrix for dense matrices. For
example, petsc/src/mat/examples/tests/ex9.c:
mpiexec -n 4 ./ex9 -mat_type dense -view_mat -nsubcomms 2

Hong

On Wed, Sep 18, 2019 at 5:40 PM Povolotskyi, Mykhailo via petsc-users <
petsc-users at mcs.anl.gov> wrote:

> Dear Petsc developers,
>
> I found that MatCreateRedundantMatrix does not support dense matrices.
>
> This causes the following problem: I cannot use CISS eigensolver from
> SLEPC with dense matrices with parallelization over quadrature points.
>
> Is it possible for you to add this support?
>
> Thank you,
>
> Michael.
>
>
> p.s. I apologize if you received this e-mail twice, I sent if first from
> a different address.
>
>
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