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amg4psblas/samples/advanced/pdegen/runs/amg_pde3d.inp

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%%%%%%%%%%% General arguments % Lines starting with % are ignored.
CSR ! Storage format CSR COO JAD
0150 ! IDIM; domain size. Linear system size is IDIM**3
CONST ! PDECOEFF: CONST, EXP, BOX, GAUSS Coefficients of the PDE
CG ! Iterative method: BiCGSTAB BiCGSTABL BiCG CG CGS FCG GCR RGMRES
2 ! ISTOPC
00008 ! ITMAX
1 ! ITRACE
30 ! IRST (restart for RGMRES and BiCGSTABL)
1.d-6 ! EPS
%%%%%%%%%%% Main preconditioner choices %%%%%%%%%%%%%%%%
ML-VBM-VCYCLE-FBGS-D-BJAC ! Longer descriptive name for preconditioner (up to 20 chars)
ML ! Preconditioner type: NONE JACOBI GS FBGS BJAC AS ML POLY
%
%%%%%%%%%%% First smoother (for all levels but coarsest) %%%%%%%%%%%%%%%%
FBGS ! Smoother type JACOBI FBGS GS BWGS BJAC AS POLY r 1-level, repeats previous.
6 ! Number of sweeps for smoother
1 ! degree for polynomial smoother
CHEB_4_OPT ! Polynomial variant
% Fields to be added for POLY
POLY_RHO_EST_POWER % POLY_RHO_ESTIMATE Currently only POLY_RHO_EST_POWER
% POLY_RHO_ESTIMATE_ITERATIONS default = 20
% POLY_RHO_BA set to value
1.0
%
0 ! Number of overlap layers for AS preconditioner
HALO ! AS restriction operator: NONE HALO
NONE ! AS prolongation operator: NONE SUM AVG
L1-JACOBI ! Subdomain solver for BJAC/AS: JACOBI GS BGS ILU ILUT MILU MUMPS SLU UMF
1 ! Inner solver sweeps (GS and JACOBI)
LLK ! AINV variant
0 ! Fill level P for ILU(P) and ILU(T,P)
1 ! Inverse Fill level P for INVK
1.d-4 ! Threshold T for ILU(T,P)
%%%%%%%%%%% Second smoother, always ignored for non-ML %%%%%%%%%%%%%%%%
NONE ! Second (post) smoother, ignored if NONE
6 ! Number of sweeps for (post) smoother
1 ! degree for polynomial smoother
CHEB_4_OPT ! Polynomial variant
POLY_RHO_EST_POWER % POLY_RHO_ESTIMATE Currently only POLY_RHO_EST_POWER
% POLY_RHO_ESTIMATE_ITERATIONS default = 20
% POLY_RHO_BA set to value
1.0
0 ! Number of overlap layers for AS preconditioner
HALO ! AS restriction operator: NONE HALO
NONE ! AS prolongation operator: NONE SUM AVG
L1-JACOBI ! Subdomain solver for BJAC/AS: JACOBI GS BGS ILU ILUT MILU MUMPS SLU UMF
1 ! Inner solver sweeps (GS and JACOBI)
LLK ! AINV variant
0 ! Fill level P for ILU(P) and ILU(T,P)
8 ! Inverse Fill level P for INVK
1.d-4 ! Threshold T for ILU(T,P)
%%%%%%%%%%% Multilevel parameters %%%%%%%%%%%%%%%%
VCYCLE ! Type of multilevel CYCLE: VCYCLE WCYCLE KCYCLE MULT ADD
1 ! Number of outer sweeps for ML
-3 ! Max Number of levels in a multilevel preconditioner; if <0, lib default
-3 ! Target coarse matrix size per process; if <0, lib default
SMOOTHED ! Type of aggregation: SMOOTHED UNSMOOTHED
DEC ! Parallel aggregation: DEC, SYMDEC, COUPLED
SOC1 ! aggregation measure SOC1, MATCHBOXP
8 ! Requested size of the aggregates for MATCHBOXP
NATURAL ! Ordering of aggregation NATURAL DEGREE
-1.5 ! Coarsening ratio, if < 0 use library default
FILTER ! Filtering of matrix: FILTER NOFILTER
-0.0100d0 ! Smoothed aggregation threshold, ignored if < 0
-2 ! Number of thresholds in vector, next line ignored if <= 0
0.05 0.025 ! Thresholds
%%%%%%%%%%% Coarse level solver %%%%%%%%%%%%%%%%
BJAC ! Coarsest-level solver: MUMPS UMF SLU SLUDIST JACOBI GS BJAC
ILU ! Coarsest-level subsolver for BJAC: ILU ILUT MILU UMF MUMPS SLU
DIST ! Coarsest-level matrix distribution: DIST REPL
1 ! Coarsest-level fillin P for ILU(P) and ILU(T,P)
1.d-4 ! Coarsest-level threshold T for ILU(T,P)
1 ! Number of sweeps for JACOBI/GS/BJAC coarsest-level solver
%%%%%%%%%%% Dump parms %%%%%%%%%%%%%%%%%%%%%%%%%%
F ! Dump preconditioner on file
1 ! Min level
20 ! Max level
T ! Dump AC
T ! Dump RP
F ! Dump TPROL
F ! Dump SMOOTHER
F ! Dump SOLVER
F ! Global numering ?