19 November 2024 4:43:16.937 PM SPARSEKIT_PRB13 FORTRAN90 version Test the preconditioners and iterative solvers in SPARSKIT. Methods 1-5 1. Try ILU(0) Preconditioner Precon set-up returned with ierr 0 its = 0 res. norm = 302.671 its = 1 res. norm = 137.897 its = 2 res. norm = 83.5589 its = 3 res. norm = 30.1412 its = 4 res. norm = 19.2711 its = 5 res. norm = 14.4907 its = 6 res. norm = 3.46401 its = 7 res. norm = 1.18671 its = 8 res. norm = 0.403400 its = 9 res. norm = 0.626913E-01 its = 10 res. norm = 0.130999E-01 its = 11 res. norm = 0.710890E-02 its = 12 res. norm = 0.698835E-02 its = 13 res. norm = 0.664723E-02 its = 14 res. norm = 0.229658E-02 its = 15 res. norm = 0.370657E-03 its = 16 res. norm = 0.125943E-03 its = 17 res. norm = 0.154580E-04 pgmres returned with ierr = 0 Maximum error in solution = 1.0614520121521309E-005 2. Try MILU(0) Preconditioner Precon set-up returned with ierr 0 its = 0 res. norm = 302.671 its = 1 res. norm = 196.119 its = 2 res. norm = 48.9166 its = 3 res. norm = 22.5083 its = 4 res. norm = 10.8108 its = 5 res. norm = 4.69758 its = 6 res. norm = 1.81051 its = 7 res. norm = 0.618888 its = 8 res. norm = 0.184001 its = 9 res. norm = 0.534549E-01 its = 10 res. norm = 0.134814E-01 its = 11 res. norm = 0.974352E-02 its = 12 res. norm = 0.530180E-02 its = 13 res. norm = 0.221575E-02 its = 14 res. norm = 0.730613E-03 its = 15 res. norm = 0.195874E-03 its = 16 res. norm = 0.434693E-04 its = 17 res. norm = 0.155713E-04 pgmres returned with ierr = 0 Maximum error in solution = 6.0328475797177816E-006 3. Try ILUT Preconditioner with tol = 0.001, lfil=1. Precon set-up returned with ierr 0 its = 0 res. norm = 302.671 its = 1 res. norm = 129.589 its = 2 res. norm = 38.9791 its = 3 res. norm = 20.7964 its = 4 res. norm = 13.2613 its = 5 res. norm = 2.17874 its = 6 res. norm = 0.207089 its = 7 res. norm = 0.199676E-01 its = 8 res. norm = 0.158086E-02 its = 9 res. norm = 0.164628E-03 its = 10 res. norm = 0.133915E-04 pgmres returned with ierr = 0 Maximum error in solution = 5.9967351361933652E-005 4. Try ILUT Preconditioner with tol = 0.001, lfil=5. Precon set-up returned with ierr 0 its = 0 res. norm = 302.671 its = 1 res. norm = 82.7115 its = 2 res. norm = 25.2037 its = 3 res. norm = 1.62183 its = 4 res. norm = 0.384508E-01 its = 5 res. norm = 0.425633E-02 its = 6 res. norm = 0.168436E-03 its = 7 res. norm = 0.507664E-05 pgmres returned with ierr = 0 Maximum error in solution = 8.2262238834118762E-006 5. Try ILUT Preconditioner with tol = .0001, lfil=7. Precon set-up returned with ierr 0 its = 0 res. norm = 302.671 its = 1 res. norm = 73.7245 its = 2 res. norm = 8.94109 its = 3 res. norm = 0.530052E-01 its = 4 res. norm = 0.130960E-02 its = 5 res. norm = 0.348271E-04 its = 6 res. norm = 0.133879E-06 pgmres returned with ierr = 0 Maximum error in solution = 8.0573124705551891E-007 SPARSEKIT_PRB13 Normal end of execution. 19 November 2024 4:43:16.938 PM