Hi All, The NONE norm type is supported only when CG is used with a right preconditioner. Any reason for this?
*0 Nonlinear |R| = 1.732051e+00 0 Linear |R| = 0.000000e+00 1 Linear |R| = 0.000000e+00 2 Linear |R| = 0.000000e+00 3 Linear |R| = 0.000000e+00 4 Linear |R| = 0.000000e+00 5 Linear |R| = 0.000000e+00 6 Linear |R| = 0.000000e+00 1 Nonlinear |R| = 1.769225e-08 0 Linear |R| = 0.000000e+00 1 Linear |R| = 0.000000e+00 2 Linear |R| = 0.000000e+00 3 Linear |R| = 0.000000e+00 4 Linear |R| = 0.000000e+00 5 Linear |R| = 0.000000e+00 6 Linear |R| = 0.000000e+00 7 Linear |R| = 0.000000e+00 8 Linear |R| = 0.000000e+00 9 Linear |R| = 0.000000e+00 10 Linear |R| = 0.000000e+00 2 Nonlinear |R| = 0.000000e+00SNES Object: 1 MPI processes type: newtonls maximum iterations=50, maximum function evaluations=10000 tolerances: relative=1e-08, absolute=1e-50, solution=1e-50 total number of linear solver iterations=18 total number of function evaluations=23 norm schedule ALWAYS SNESLineSearch Object: 1 MPI processes type: bt interpolation: cubic alpha=1.000000e-04 maxstep=1.000000e+08, minlambda=1.000000e-12 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 maximum iterations=40 KSP Object: 1 MPI processes type: cg maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. right preconditioning using NONE norm type for convergence test PC Object: 1 MPI processes type: hypre HYPRE BoomerAMG preconditioning HYPRE BoomerAMG: Cycle type V HYPRE BoomerAMG: Maximum number of levels 25 HYPRE BoomerAMG: Maximum number of iterations PER hypre call 1 HYPRE BoomerAMG: Convergence tolerance PER hypre call 0. HYPRE BoomerAMG: Threshold for strong coupling 0.25 HYPRE BoomerAMG: Interpolation truncation factor 0. HYPRE BoomerAMG: Interpolation: max elements per row 0 HYPRE BoomerAMG: Number of levels of aggressive coarsening 0 HYPRE BoomerAMG: Number of paths for aggressive coarsening 1 HYPRE BoomerAMG: Maximum row sums 0.9 HYPRE BoomerAMG: Sweeps down 1 HYPRE BoomerAMG: Sweeps up 1 HYPRE BoomerAMG: Sweeps on coarse 1 HYPRE BoomerAMG: Relax down symmetric-SOR/Jacobi HYPRE BoomerAMG: Relax up symmetric-SOR/Jacobi HYPRE BoomerAMG: Relax on coarse Gaussian-elimination HYPRE BoomerAMG: Relax weight (all) 1. HYPRE BoomerAMG: Outer relax weight (all) 1. HYPRE BoomerAMG: Using CF-relaxation HYPRE BoomerAMG: Not using more complex smoothers. HYPRE BoomerAMG: Measure type local HYPRE BoomerAMG: Coarsen type Falgout HYPRE BoomerAMG: Interpolation type classical linear system matrix followed by preconditioner matrix: Mat Object: 1 MPI processes type: mffd rows=9, cols=9 Matrix-free approximation: err=1.49012e-08 (relative error in function evaluation) Using wp compute h routine Does not compute normU Mat Object: () 1 MPI processes type: seqaij rows=9, cols=9 total: nonzeros=49, allocated nonzeros=49 total number of mallocs used during MatSetValues calls =0 not using I-node routines* Fande,