KSP Object: 4 MPI processes
  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: 4 MPI processes
  type: asm
    total subdomain blocks = 4, amount of overlap = 1
    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
    using NONE norm type for convergence test
  PC Object: (sub_) 1 MPI process
    type: ilu
      out-of-place factorization
      0 levels of fill
      tolerance for zero pivot 2.22045e-14
      matrix ordering: natural
      factor fill ratio given 1., needed 1.
        Factored matrix follows:
          Mat Object: (sub_) 1 MPI process
            type: seqaijcusparse
            rows=36, cols=36
            package used to perform factorization: cusparse
            total: nonzeros=158, allocated nonzeros=158
              not using I-node routines
    linear system matrix = precond matrix:
    Mat Object: (sub_) 1 MPI process
      type: seqaijcusparse
      rows=36, cols=36
      total: nonzeros=158, allocated nonzeros=158
      total number of mallocs used during MatSetValues calls=0
        not using I-node routines
  linear system matrix = precond matrix:
  Mat Object: 4 MPI processes
    type: mpiaijcusparse
    rows=64, cols=64
    total: nonzeros=288, allocated nonzeros=288
    total number of mallocs used during MatSetValues calls=0
      not using I-node (on process 0) routines
Infinity norm of the error: 2.53816e-06