No. If you want to extract a parallel sub matrix, use MatGetSubMatrix(). http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/Mat/MatGetSubMatrix.html
Cheers, Dave 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 > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20081223/87038934/attachment.htm>
