[petsc-users] about array in VecCreateMPIWithArray()

Matthew Knepley knepley at gmail.com
Fri Apr 13 10:38:57 CDT 2012


On Fri, Apr 13, 2012 at 11:37 AM, recrusader <recrusader at gmail.com> wrote:

> Dear PETSc developers,
>
> my question is what type of array is need for VecCreateMPIWithArray?
> it is parallel distributed, that each processor holds local values of the
> array? or each processor has a copy of all the values of the array?
>
>
Only local values.

   Matt


> PetscErrorCode  VecCreateMPIWithArray(MPI_Comm comm,PetscInt n,PetscInt N,const PetscScalar array[],Vec *vv)
>
> I didn't find more information about the array from the manual.
>
> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Vec/VecCreateMPIWithArray.html
>
> Thanks a lot,
> Yujie
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120413/46e78e9f/attachment.htm>


More information about the petsc-users mailing list