> On Oct 31, 2017, at 6:00 PM, Neelam Patel wrote:
>
> Hello PETSc users,
>
> Working in Fortran, I created 2 disjoint communicators with MPI_Group
> operations using PETSC_COMM_WORLD as the "base" comm. I created parallel
> vectors on each communicator, and set values in them equal to their
You should be able to use any MPI communicator with PETSc objects.
PETSC_COMM_WORLD/PETSC_COMM_SELF are just a couple of convinence
communicators PETSc provides.
Satish
On Tue, 31 Oct 2017, Neelam Patel wrote:
> Hello PETSc users,
> Working in Fortran, I created 2 disjoint communicators with MP