  0 KSP Residual norm 4.58465
  1 KSP Residual norm 0.189322
  2 KSP Residual norm 0.0172992
  3 KSP Residual norm 0.000973548
  4 KSP Residual norm 0.000107509
  5 KSP Residual norm 3.97587e-06
KSP Object: 1 MPI process
  type: gmres
    restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
    happy breakdown tolerance 1e-30
  maximum iterations=10000, initial guess is zero
  tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
  left preconditioning
  using PRECONDITIONED norm type for convergence test
PC Object: 1 MPI process
  type: gamg
    type is MULTIPLICATIVE, levels=2 cycles=v
      Cycles per PCApply=1
      Using externally compute Galerkin coarse grid matrices
      GAMG specific options
        Threshold for dropping small values in graph on each level =   -1.   -1.  
        Threshold scaling factor for each level not specified = 1.
        AGG specific options
          Number of levels of aggressive coarsening 1
          Square graph aggressive coarsening
          MatCoarsen Object: (pc_gamg_) 1 MPI process
            type: mis
          Number smoothing steps to construct prolongation 1
        Complexity:    grid = 1.25    operator = 1.3
        Per-level complexity: op = operator, int = interpolation
            #equations  | #active PEs | avg nnz/row op | avg nnz/row int
                  6            1              5                0
                 24            1              5                3
  Coarse grid solver -- level 0 -------------------------------
    KSP Object: (mg_coarse_) 1 MPI process
      type: preonly
      maximum iterations=10000, initial guess is zero
      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
      left preconditioning
      using NONE norm type for convergence test
    PC Object: (mg_coarse_) 1 MPI process
      type: bjacobi
        number of blocks = 1
        Local solver information for first block is in the following KSP and PC objects on rank 0:
        Use -mg_coarse_ksp_view ::ascii_info_detail to display information for all blocks
        KSP Object: (mg_coarse_sub_) 1 MPI process
          type: preonly
          maximum iterations=1, initial guess is zero
          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
          left preconditioning
          using NONE norm type for convergence test
        PC Object: (mg_coarse_sub_) 1 MPI process
          type: lu
            out-of-place factorization
            tolerance for zero pivot 2.22045e-14
            using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
            matrix ordering: nd
            factor fill ratio given 5., needed 1.06667
              Factored matrix follows:
                Mat Object: (mg_coarse_sub_) 1 MPI process
                  type: seqaijcusparse
                  rows=6, cols=6
                  package used to perform factorization: cusparse
                  total: nonzeros=32, allocated nonzeros=32
                    using I-node routines: found 3 nodes, limit used is 5
          linear system matrix = precond matrix:
          Mat Object: (mg_coarse_sub_) 1 MPI process
            type: seqaijcusparse
            rows=6, cols=6
            total: nonzeros=30, allocated nonzeros=30
            total number of mallocs used during MatSetValues calls=0
              not using I-node routines
      linear system matrix = precond matrix:
      Mat Object: (mg_coarse_sub_) 1 MPI process
        type: seqaijcusparse
        rows=6, cols=6
        total: nonzeros=30, allocated nonzeros=30
        total number of mallocs used during MatSetValues calls=0
          not using I-node routines
  Down solver (pre-smoother) on level 1 -------------------------------
    KSP Object: (mg_levels_1_) 1 MPI process
      type: chebyshev
        Chebyshev polynomial of first kind
        eigenvalue targets used: min 0.185488, max 2.04037
        eigenvalues provided (min 0.145059, max 1.85488) with transform: [0. 0.1; 0. 1.1]
      maximum iterations=2, nonzero initial guess
      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
      left preconditioning
      using NONE norm type for convergence test
    PC Object: (mg_levels_1_) 1 MPI process
      type: jacobi
        type DIAGONAL
      linear system matrix = precond matrix:
      Mat Object: 1 MPI process
        type: seqaijcusparse
        rows=24, cols=24
        total: nonzeros=100, allocated nonzeros=120
        total number of mallocs used during MatSetValues calls=0
          not using I-node routines
  Up solver (post-smoother) same as down solver (pre-smoother)
  linear system matrix = precond matrix:
  Mat Object: 1 MPI process
    type: seqaijcusparse
    rows=24, cols=24
    total: nonzeros=100, allocated nonzeros=120
    total number of mallocs used during MatSetValues calls=0
      not using I-node routines
Norm of error 4.24117e-06 iterations 5
