Linear solve converged due to CONVERGED_RTOL iterations 20
KSP Object: 8 MPI processes
  type: fgmres
    restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
  maximum iterations=50, initial guess is zero
  right preconditioning
  using UNPRECONDITIONED norm type for convergence test
PC Object: 8 MPI processes
  type: bddc
    Use verbose output: 0
    Use user-defined CSR: 0
    Use local mat graph: 1
    Connectivity graph topological dimension: 3
    Corner selection: 1 (selected 1)
    Use vertices: 1 (vertex size 3)
    Use edges: 1
    Use faces: 1
    Use true near null space: 0
    Use QR for single constraints on cc: 0
    Use change of basis on local edge nodes: 0
    Use change of basis on local face nodes: 0
    User defined change of basis matrix: 0
    Has change of basis matrix: 0
    Eliminate dirichlet boundary dofs: 0
    Switch on static condensation ops around the interface preconditioner: 0
    Use exact dirichlet trick: 0
    Interface extension: DIRICHLET
    Multilevel max levels: 1
    Multilevel coarsening ratio: 1
    Use estimated eigs for coarse problem: 0
    Use deluxe scaling: 0
    Use deluxe zerorows: 0
    Use deluxe singlemat: 0
    Rebuild interface graph for Schur principal minors: 0
    Number of dofs' layers for the computation of principal minors: -1
    Use user CSR graph to compute successive layers: 0
    Adaptive constraint selection threshold (active 0, userdefined 0): 0.
    Min constraints / connected component: 0
    Max constraints / connected component: 0
    Invert exact Schur complement for adaptive selection: 0
    Symmetric computation of primal basis functions: 1
    Num. Procs. to map coarse adjacency list: 0
    Coarse eqs per proc (significant at the coarsest level): 1
    Detect disconnected: 0 (filter 0)
    Benign subspace trick: 0 (change explicit 0)
    Benign subspace trick is active: 0
    Algebraic computation of no-net-flux: 0
  ********************************** STATISTICS AT LEVEL 0 **********************************
    Global dofs sizes: all 2160 interface 648 coarse 159
    Coarsening ratios: all/coarse 13 interface/coarse 4
    Active processes : 8
    Total subdomains : 8
    Dofs type        :	MIN	MAX	MEAN
    Interior  dofs   :	144	240	189
    Interface dofs   :	156	210	182
    Primal    dofs   :	54	54	54
    Local     dofs   :	300	450	371
    Local     subs   :	1	1
  --- Interior solver (rank 0)
    KSP Object: (pc_bddc_dirichlet_) 1 MPI process
      type: preonly
      maximum iterations=10000, initial guess is zero
      left preconditioning
      not checking for convergence
    PC Object: (pc_bddc_dirichlet_) 1 MPI process
      type: lu
        out-of-place factorization
        matrix ordering: nd
        factor fill ratio given 5., needed 1.55143
          Factored matrix:
            Mat Object: (pc_bddc_dirichlet_) 1 MPI process
              type: seqaij
              rows=144, cols=144, bs=3
              package used to perform factorization: petsc
              total: nonzeros=9774, allocated nonzeros=9774
                using I-node routines: found 45 nodes, limit used is 5
      linear system matrix, which is also used to construct the preconditioner:
      Mat Object: (pc_bddc_dirichlet_) 1 MPI process
        type: seqaij
        rows=144, cols=144, bs=3
        total: nonzeros=6300, allocated nonzeros=6300
        total number of mallocs used during MatSetValues calls=0
          using I-node routines: found 48 nodes, limit used is 5
  --- Correction solver (rank 0)
    KSP Object: (pc_bddc_neumann_) 1 MPI process
      type: preonly
      maximum iterations=10000, initial guess is zero
      left preconditioning
      not checking for convergence
    PC Object: (pc_bddc_neumann_) 1 MPI process
      type: lu
        out-of-place factorization
        matrix ordering: nd
        factor fill ratio given 5., needed 2.16719
          Factored matrix:
            Mat Object: (pc_bddc_neumann_) 1 MPI process
              type: seqaij
              rows=279, cols=279, bs=3
              package used to perform factorization: petsc
              total: nonzeros=30915, allocated nonzeros=30915
                using I-node routines: found 85 nodes, limit used is 5
      linear system matrix, which is also used to construct the preconditioner:
      Mat Object: (pc_bddc_neumann_) 1 MPI process
        type: seqaij
        rows=279, cols=279, bs=3
        total: nonzeros=14265, allocated nonzeros=14265
        total number of mallocs used during MatSetValues calls=0
          using I-node routines: found 93 nodes, limit used is 5
  --- Coarse solver
    KSP Object: (pc_bddc_coarse_) 8 MPI processes
      type: richardson
        damping factor=1.
      maximum iterations=1, initial guess is zero
      left preconditioning
      not checking for convergence
    PC Object: (pc_bddc_coarse_) 8 MPI processes
      type: hpddm
      levels: 2
      Neumann matrix attached? FALSE
      shared subdomain KSP between SLEPc and PETSc? FALSE
      coarse correction: DEFLATED
      on process #0, value (+ threshold if available) for selecting deflation vectors: 6
      grid and operator complexities: 1.30189 1.08854
      KSP Object: (pc_bddc_coarse_pc_hpddm_levels_1_) 8 MPI processes
        type: preonly
        maximum iterations=10000, initial guess is zero
        left preconditioning
        not checking for convergence
      PC Object: (pc_bddc_coarse_pc_hpddm_levels_1_) 8 MPI processes
        type: shell
          no name
        linear system matrix, followed by the matrix used to construct the preconditioner:
        Mat Object: (pc_bddc_coarse_) 8 MPI processes
          type: is
          rows=159, cols=159
          total: nonzeros=23328, allocated nonzeros=23328
          total number of mallocs used during MatSetValues calls=0
        Mat Object: 8 MPI processes
          type: mpiaij
          rows=159, cols=159
          total: nonzeros=14637, allocated nonzeros=14637
          total number of mallocs used during MatSetValues calls=0
            using I-node (on process 0) routines: found 4 nodes, limit used is 5
      PC Object: (pc_bddc_coarse_pc_hpddm_levels_1_) 8 MPI processes
        type: bjacobi
          number of blocks = 8
          Local solver information for first block is in the following KSP and PC objects on rank 0:
          Use -pc_bddc_coarse_pc_hpddm_levels_1_ksp_view ::ascii_info_detail to display information for all blocks
          KSP Object: (pc_bddc_coarse_pc_hpddm_levels_1_sub_) 1 MPI process
            type: preonly
            maximum iterations=10000, initial guess is zero
            left preconditioning
            not checking for convergence
          PC Object: (pc_bddc_coarse_pc_hpddm_levels_1_sub_) 1 MPI process
            type: cholesky
              out-of-place factorization
              matrix ordering: nd
              factor fill ratio given 5., needed 1.
                Factored matrix:
                  Mat Object: (pc_bddc_coarse_pc_hpddm_levels_1_sub_) 1 MPI process
                    type: seqsbaij
                    rows=20, cols=20
                    package used to perform factorization: petsc
                    total: nonzeros=210, allocated nonzeros=210
            linear system matrix, which is also used to construct the preconditioner:
            Mat Object: (pc_bddc_coarse_pc_hpddm_levels_1_sub_) 1 MPI process
              type: seqaij
              rows=20, cols=20
              total: nonzeros=400, allocated nonzeros=400
              total number of mallocs used during MatSetValues calls=0
                using I-node routines: found 4 nodes, limit used is 5
        linear system matrix, followed by the matrix used to construct the preconditioner:
        Mat Object: (pc_bddc_coarse_) 8 MPI processes
          type: is
          rows=159, cols=159
          total: nonzeros=23328, allocated nonzeros=23328
          total number of mallocs used during MatSetValues calls=0
        Mat Object: 8 MPI processes
          type: mpiaij
          rows=159, cols=159
          total: nonzeros=14637, allocated nonzeros=14637
          total number of mallocs used during MatSetValues calls=0
            using I-node (on process 0) routines: found 4 nodes, limit used is 5
          KSP Object: (pc_bddc_coarse_pc_hpddm_coarse_) 1 MPI process
            type: preonly
            maximum iterations=10000, initial guess is zero
            left preconditioning
            not checking for convergence
          PC Object: (pc_bddc_coarse_pc_hpddm_coarse_) 1 MPI process
            type: cholesky
              out-of-place factorization
              matrix ordering: natural
              factor fill ratio given 5., needed 1.02778
                Factored matrix:
                  Mat Object: (pc_bddc_coarse_pc_hpddm_coarse_) 1 MPI process
                    type: seqsbaij
                    rows=48, cols=48, bs=6
                    package used to perform factorization: petsc
                    total: nonzeros=1332, allocated nonzeros=1332
            linear system matrix, which is also used to construct the preconditioner:
            Mat Object: (pc_bddc_coarse_pc_hpddm_coarse_) 1 MPI process
              type: seqsbaij
              rows=48, cols=48, bs=6
              total: nonzeros=1296, allocated nonzeros=1296
              total number of mallocs used during MatSetValues calls=0
      linear system matrix, which is also used to construct the preconditioner:
      Mat Object: (pc_bddc_coarse_) 8 MPI processes
        type: is
        rows=159, cols=159
        total: nonzeros=23328, allocated nonzeros=23328
        total number of mallocs used during MatSetValues calls=0
  linear system matrix, which is also used to construct the preconditioner:
  Mat Object: 8 MPI processes
    type: is
    rows=2160, cols=2160, bs=3
    total: nonzeros=156078, allocated nonzeros=156078
    total number of mallocs used during MatSetValues calls=0
      has attached near null space
