0 SNES Function norm 0.137187
    0 KSP Residual norm 0.102527
    1 KSP Residual norm 0.0332683
    2 KSP Residual norm 0.0108062
    3 KSP Residual norm 0.00351037
    4 KSP Residual norm 0.00114035
    5 KSP Residual norm 0.000370442
    6 KSP Residual norm 0.000120338
    7 KSP Residual norm 3.90919e-05
    8 KSP Residual norm 1.2699e-05
    9 KSP Residual norm 4.12529e-06
   10 KSP Residual norm 1.3401e-06
   11 KSP Residual norm 4.35333e-07
   12 KSP Residual norm 1.41418e-07
   13 KSP Residual norm 4.59397e-08
   14 KSP Residual norm 1.49235e-08
   15 KSP Residual norm 4.84792e-09
   16 KSP Residual norm 1.57485e-09
   17 KSP Residual norm 5.116e-10
   18 KSP Residual norm 1.662e-10
   19 KSP Residual norm 5.399e-11
  1 SNES Function norm 7.122e-11
Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
SNES Object: 1 MPI process
  type: newtonls
  maximum iterations=50, maximum function evaluations=10000
  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
  total number of linear solver iterations=19
  total number of function evaluations=2
  norm schedule ALWAYS
  Jacobian is built using a DMDA local Jacobian
  SNESLineSearch Object: 1 MPI process
    type: bt
      interpolation: cubic
      alpha=1.000000e-04
    maxlambda=1.000000e+00, minlambda=1.000000e-12
    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
    maximum iterations=40
  KSP Object: 1 MPI process
    type: richardson
      damping factor=1.
    maximum iterations=10000, initial guess is zero
    tolerances: relative=1e-09, absolute=1e-50, divergence=10000.
    left preconditioning
    using PRECONDITIONED norm type for convergence test
  PC Object: 1 MPI process
    type: asm
      total subdomain blocks = 4, amount of overlap = 0
      restriction/interpolation type - RESTRICT
      Local solver information for first block is in the following KSP and PC objects on rank 0:
      Use -ksp_view ::ascii_info_detail to display information for all blocks
      KSP Object: (sub_) 1 MPI process
        type: preonly
        maximum iterations=10000, initial guess is zero
        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
        left preconditioning
        not checking for convergence
      PC Object: (sub_) 1 MPI process
        type: lu
          out-of-place factorization
          tolerance for zero pivot 2.22045e-14
          matrix ordering: nd
          factor fill ratio given 5., needed 1.27273
            Factored matrix:
              Mat Object: (sub_) 1 MPI process
                type: seqaij
                rows=8, cols=8
                package used to perform factorization: petsc
                total: nonzeros=28, allocated nonzeros=28
                  not using I-node routines
        linear system matrix, which is also used to construct the preconditioner:
        Mat Object: (sub_) 1 MPI process
          type: seqaij
          rows=8, cols=8
          total: nonzeros=22, allocated nonzeros=22
          total number of mallocs used during MatSetValues calls=0
            not using I-node routines
    linear system matrix, which is also used to construct the preconditioner:
    Mat Object: 1 MPI process
      type: seqaij
      rows=32, cols=32
      total: nonzeros=136, allocated nonzeros=136
      total number of mallocs used during MatSetValues calls=0
        not using I-node routines
N: 32 error L2 1.41356e-11 inf 2.94655e-11