1PetscSF Object: 2 MPI processes 2 type not yet set 3 PetscSFSetGraph() has not been called yet 4PetscSF Object: 2 MPI processes 5 type: basic 6 [0] Number of roots=0, leaves=0, remote ranks=0 7 [1] Number of roots=0, leaves=0, remote ranks=0 8 MultiSF sort=rank-order 9PetscSF Object: 2 MPI processes 10 type: basic 11 PetscSFSetGraph() has not been called yet 12PetscSF Object: 2 MPI processes 13 type: basic 14 [0] Number of roots=0, leaves=0, remote ranks=0 15 [1] Number of roots=0, leaves=0, remote ranks=0 16 MultiSF sort=rank-order 17