about MatGetSubMatrices()

Dave May dave.mayhem23 at gmail.com
Mon Dec 22 13:00:21 CST 2008

If you want to extract a parallel sub matrix, use MatGetSubMatrix().


On Tue, Dec 23, 2008 at 4:47 AM, Yujie <recrusader at gmail.com> wrote:

> Hi, PETSc developer
> Now, when using MatGetSubMatrices(), the submatrices are saved in one cpu.
> Sometimes, the dimension of the submatrices are huge, it is impossible to
> save them in one cpu.
> I am wondering whether the submatrices can be saved in parallel mode when
> using MatGetSubMatrices(). thanks a lot.
> Regards,
> Yujie
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