You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
amg4psblas/tests/Bcmatch/runs/mld-bcm.inp

53 lines
3.6 KiB
Plaintext

%%%%%%%%%%% General arguments % Lines starting with % are ignored.
CSR ! Storage format CSR COO JAD
0100 ! IDIM; domain size. Linear system size is IDIM**2
FCG ! 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-KCYCLE-FBGS-ILU ! Longer descriptive name for preconditioner (up to 20 chars)
ML ! Preconditioner type: NONE JACOBI GS FBGS BJAC AS ML
%%%%%%%%%%% First smoother (for all levels but coarsest) %%%%%%%%%%%%%%%%
FBGS ! Smoother type JACOBI FBGS GS BWGS BJAC AS. For 1-level, repeats previous.
1 ! Number of sweeps for smoother
0 ! Number of overlap layers for AS preconditioner
HALO ! AS restriction operator: NONE HALO
NONE ! AS prolongation operator: NONE SUM AVG
ILU ! Subdomain solver for BJAC/AS: 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)
%%%%%%%%%%% Second smoother, always ignored for non-ML %%%%%%%%%%%%%%%%
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
ILU ! Subdomain solver for BJAC/AS: 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)
%%%%%%%%%%% Multilevel parameters %%%%%%%%%%%%%%%%
KCYCLE ! 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; if <0, lib default
UNSMOOTHED ! Type of aggregation: SMOOTHED UNSMOOTHED
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
%%%%%%%%%%% Coarse level solver %%%%%%%%%%%%%%%%
BJAC ! Coarsest-level solver: MUMPS UMF SLU SLUDIST JACOBI GS BJAC DEFLT
ILU ! Coarsest-level subsolver for BJAC: ILU ILUT MILU UMF MUMPS SLU
DIST ! Coarsest-level matrix distribution: DIST REPL, DEFLT
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
T ! Use BootCMatch
2 ! Matching method: 0 PREIS, 1 MC64, 2 SPRAL (auction)
2 ! Pairing sweeps