On Sat, Jan 14, 2012 at 12:38, Junchao Zhang <junchao.zhang at gmail.com>wrote:
> Does PETSc provide convenient functions to compute this layout( i.e.,# > rows on each processor), or I have to do it myself? > I browsed PETSc document and did not find them. > MatSetSizes() lets you specify local and/or global sizes. If you specify both, it checks that they are compatible. The implementation uses http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Sys/PetscSplitOwnership.html If these are not suitable for your purposes, can you be more specific about what you would like to do? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120114/709c6f98/attachment.htm>
