P Object: 4 MPI processes
  type: cg
  maximum iterations=500
  tolerances:  relative=1e-10, absolute=1e-10, divergence=10000
  left preconditioning
  has attached null space
  using nonzero initial guess
  using PRECONDITIONED norm type for convergence test
PC Object: 4 MPI processes
  type: hypre
    HYPRE BoomerAMG preconditioning
    HYPRE BoomerAMG: Cycle type V
    HYPRE BoomerAMG: Maximum number of levels 25
    HYPRE BoomerAMG: Maximum number of iterations PER hypre call 1
    HYPRE BoomerAMG: Convergence tolerance PER hypre call 0
    HYPRE BoomerAMG: Threshold for strong coupling 0.25
    HYPRE BoomerAMG: Interpolation truncation factor 0
    HYPRE BoomerAMG: Interpolation: max elements per row 0
    HYPRE BoomerAMG: Number of levels of aggressive coarsening 0
    HYPRE BoomerAMG: Number of paths for aggressive coarsening 1
    HYPRE BoomerAMG: Maximum row sums 0.9
    HYPRE BoomerAMG: Sweeps down         1
    HYPRE BoomerAMG: Sweeps up           1
    HYPRE BoomerAMG: Sweeps on coarse    1
    HYPRE BoomerAMG: Relax down          symmetric-SOR/Jacobi
    HYPRE BoomerAMG: Relax up            symmetric-SOR/Jacobi
    HYPRE BoomerAMG: Relax on coarse     Gaussian-elimination
    HYPRE BoomerAMG: Relax weight  (all)      1
    HYPRE BoomerAMG: Outer relax weight (all) 1
    HYPRE BoomerAMG: Using CF-relaxation
    HYPRE BoomerAMG: Measure type        local
    HYPRE BoomerAMG: Coarsen type        Falgout
    HYPRE BoomerAMG: Interpolation type  classical
  linear system matrix = precond matrix:
  Matrix Object:   4 MPI processes
    type: mpiaij
    rows=1000000, cols=1000000
    total: nonzeros=6940000, allocated nonzeros=6940000
    total number of mallocs used during MatSetValues calls =0
      not using I-node (on process 0) routines