CSR ! Storage format CSR COO JAD 0080 ! IDIM; domain size is idim**3 CG ! Iterative method: BiCGSTAB BiCGSTABL BiCG CG CGS FCG GCR RGMRES 2 ! ISTOPC 00500 ! ITMAX 1 ! ITRACE 30 ! IRST (restart for RGMRES and BiCGSTABL) 1.d-6 ! EPS ML-VCYCLE-FBGS-R-UMF ! Longer descriptive name for preconditioner (up to 20 chars) ML ! Preconditioner type: NONE JACOBI BJAC AS ML VCYCLE ! Type of multilevel CYCLE: VCYCLE WCYCLE KCYCLE MULT ADD 1 ! Number of outer sweeps -3 ! Max Number of levels in a multilevel preconditioner; if <0, lib default -3 ! Target coarse matrix size; if <0, lib default SMOOTHED ! Type of aggregation: SMOOTHED NONSMOOTHED DEC ! Parallel aggregation: DEC, SYMDEC NATURAL ! Ordering of aggregation NATURAL DEGREE NOFILTER ! Filtering of matrix ? FILTER NOFILTER -1.5 ! Coarsening ratio, if < 0 use library default 2 ! Number of thresholds in vector, next line ignored if <= 0 0.05 0.025 ! Thresholds 0.0100d0 ! Smoothed aggregation threshold: >= 0.0 FBGS ! Smoother type JACOBI FBGS GS BGS BJAC AS; ignored for non-ML 1 ! Number of sweeps for (pre) smoother 0 ! Number of overlap layers for AS preconditioner HALO ! AS restriction operator: NONE HALO NONE ! AS prolongation operator: NONE SUM AVG JACOBI ! Subdomain solver: JACOBI GS BGS ILU ILUT MILU MUMPS SLU UMF 0 ! Fill level P for ILU(P) and ILU(T,P) 1.d-4 ! Threshold T for ILU(T,P) NONE ! Second (post) smoother, ignored if NONE 1 ! Number of sweeps for (post) smoother 0 ! Number of overlap layers for AS preconditioner HALO ! AS restriction operator: NONE HALO NONE ! AS prolongation operator: NONE SUM AVG JACOBI ! Subdomain solver: JACOBI GS BGS ILU ILUT MILU MUMPS SLU UMF 0 ! Fill level P for ILU(P) and ILU(T,P) 1.d-4 ! Threshold T for ILU(T,P) UMF ! Coarsest-level solver: MUMPS UMF SLU SLUDIST JACOBI GS BJAC REPL ! Coarsest-level matrix distribution: DIST REPL UMF ! Coarsest-level subsolver: ILU ILUT MILU UMF MUMPS SLU 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 Jacobi sweeps for JACOBI/GS/BJAC coarsest-level solver