Testing PetscSFFetchAndOp on a PETSCSF_PATTERN_GATHER graph with op = MPI_SUM
Vec Object: rootdata 3 MPI processes
  type: mpi
Process [0]
3.
6.
9.
12.
Process [1]
15.
18.
21.
Process [2]
24.
27.
30.
Vec Object: leafupdate 3 MPI processes
  type: mpi
Process [0]
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Process [1]
Process [2]

Testing PetscSFFetchAndOp on a PETSCSF_PATTERN_ALLGATHER graph with op = MPI_SUM
Vec Object: rootdata 3 MPI processes
  type: mpi
Process [0]
7.
14.
21.
28.
Process [1]
35.
42.
49.
Process [2]
56.
63.
70.
Vec Object: leafupdate 3 MPI processes
  type: mpi
Process [0]
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Process [1]
3.
6.
9.
12.
15.
18.
21.
24.
27.
30.
Process [2]
5.
10.
15.
20.
25.
30.
35.
40.
45.
50.

Testing PetscSFFetchAndOp on a PETSCSF_PATTERN_ALLTOALL graph with op = MPI_SUM
Vec Object: rootdata 3 MPI processes
  type: mpi
Process [0]
2.
4.
6.
Process [1]
8.
10.
12.
Process [2]
14.
16.
18.
Vec Object: leafupdate 3 MPI processes
  type: mpi
Process [0]
1.
4.
7.
Process [1]
2.
5.
8.
Process [2]
3.
6.
9.