|
|
|
|
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
|
|
|
|
|
BLOCK ! PART (partition method): BLOCK GRAPH
|
|
|
|
|
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
|
