Re: [petsc-dev] PETSc communicators with MPI in Fortran

2017-11-02 Thread Smith, Barry F.
> 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

Re: [petsc-dev] PETSc communicators with MPI in Fortran

2017-10-31 Thread Satish Balay
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