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amg4psblas/tests/fileread/runs/dfs.inp

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mld_mat.mtx ! This matrix (and others) from: http://math.nist.gov/MatrixMarket/ or
mld_rhs.mtx ! rhs | http://www.cise.ufl.edu/research/sparse/matrices/index.html
NONE ! Initial guess
mld_sol.mtx ! Reference solution
MM ! File format: MatrixMarket or Harwell-Boeing
CSR ! Storage format: CSR COO JAD
0 ! IPART (partition method): 0 (block) 2 (graph, with Metis)
FCG ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
2 ! ISTOPC
00500 ! ITMAX
1 ! ITRACE
30 ! IRST (restart for RGMRES and BiCGSTABL)
1.d-6 ! EPS
ML-VCYCLE-FBGS-SLUD ! Longer descriptive name for preconditioner (up to 20 chars)
ML ! Preconditioner type: NONE JACOBI BJAC AS ML
VCYCLE ! Type of multilevel correction: ADD MULT
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
EIG_EST ! Omega algorithm: EIG_EST USER_CHOICE
A_NORMI ! Estimate procedure if EIG_EST
1.0 ! Estimate value (if USER_CHOICE)
FBGS ! Smoother type JACOBI 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
DSCALE ! Subdomain solver: DSCALE ILU MILU ILUT UMF SLU MUMPS
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
DSCALE ! Subdomain solver: DSCALE ILU MILU ILUT UMF SLU MUMPS
0 ! Fill level P for ILU(P) and ILU(T,P)
1.d-4 ! Threshold T for ILU(T,P)
SLUDIST ! Coarsest-level solver: JACOBI BJAC UMF SLU SLUDIST MUMPS
DIST ! Coarsest-level matrix distribution: DIST REPL
SLUDIST ! Coarsest-level subsolver: ILU UMF SLU MUMPS SLUDIST
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 BJAC/PJAC coarsest-level solver