KSP Object: 8 MPI processes
  type: cg
  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: 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 1)
    Use edges: 1
    Use faces: 0
    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: 1
    Interface extension: DIRICHLET
    Multilevel max levels: 0
    Multilevel coarsening ratio: 8
    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 720 interface 216 coarse 25
    Coarsening ratios: all/coarse 28 interface/coarse 8
    Active processes : 8
    Total subdomains : 8
    Dofs type        :	MIN	MAX	MEAN
    Interior  dofs   :	48	80	63
    Interface dofs   :	52	70	60
    Primal    dofs   :	10	10	10
    Local     dofs   :	100	150	123
    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
      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
      left preconditioning
      using NONE norm type for convergence test
    PC Object: (pc_bddc_dirichlet_) 1 MPI process
      type: cholesky
        out-of-place factorization
        tolerance for zero pivot 2.22045e-14
        matrix ordering: nd
        factor fill ratio given 5., needed 1.51604
          Factored matrix follows:
            Mat Object: (pc_bddc_dirichlet_) 1 MPI process
              type: seqaijcusparse
              rows=48, cols=48
              package used to perform factorization: cusparse
              total: nonzeros=567, allocated nonzeros=567
                not using I-node routines
      linear system matrix = precond matrix:
      Mat Object: (pc_bddc_dirichlet_) 1 MPI process
        type: seqaijcusparse
        rows=48, cols=48
        total: nonzeros=700, allocated nonzeros=700
        total number of mallocs used during MatSetValues calls=0
          not using I-node routines
  --- Correction solver (rank 0)
    KSP Object: (pc_bddc_neumann_) 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: (pc_bddc_neumann_) 1 MPI process
      type: cholesky
        out-of-place factorization
        tolerance for zero pivot 2.22045e-14
        matrix ordering: nd
        factor fill ratio given 5., needed 2.1025
          Factored matrix follows:
            Mat Object: (pc_bddc_neumann_) 1 MPI process
              type: seqaijcusparse
              rows=93, cols=93
              package used to perform factorization: cusparse
              total: nonzeros=1764, allocated nonzeros=1764
                not using I-node routines
      linear system matrix = precond matrix:
      Mat Object: (pc_bddc_neumann_) 1 MPI process
        type: seqaijcusparse
        rows=93, cols=93
        total: nonzeros=1585, allocated nonzeros=1585
        total number of mallocs used during MatSetValues calls=0
          not using I-node routines
  --- Coarse solver
    KSP Object: (pc_bddc_coarse_) 8 MPI processes
      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: (pc_bddc_coarse_) 8 MPI processes
      type: redundant
        First (color=0) of 8 PCs follows
      linear system matrix = precond matrix:
      Mat Object: (pc_bddc_coarse_) 8 MPI processes
        type: mpiaij
        rows=25, cols=25
        total: nonzeros=421, allocated nonzeros=540
        total number of mallocs used during MatSetValues calls=0
          using I-node (on process 0) routines: found 1 nodes, limit used is 5
          KSP Object: (pc_bddc_coarse_redundant_) 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: (pc_bddc_coarse_redundant_) 1 MPI process
            type: svd
              All singular values smaller than 1e-12 treated as zero
              Provided essential rank of the matrix 0 (all other eigenvalues are zeroed)
            linear system matrix = precond matrix:
            Mat Object: 1 MPI process
              type: seqaij
              rows=25, cols=25
              total: nonzeros=421, allocated nonzeros=421
              total number of mallocs used during MatSetValues calls=0
                not using I-node routines
  linear system matrix = precond matrix:
  Mat Object: 8 MPI processes
    type: is
    rows=720, cols=720
    total: nonzeros=17342, allocated nonzeros=17342
    total number of mallocs used during MatSetValues calls=0
