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amg4psblas/tests/fileread/runs/dfs.inp

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A_1M_gps.mtx ! This matrix (and others) from: http://math.nist.gov/MatrixMarket/ or
NONE ! rhs | http://www.cise.ufl.edu/research/sparse/matrices/index.html
MM !
BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
CSR ! Storage format: CSR COO JAD
0 ! IPART (partition method): 0 (block) 2 (graph, with Metis)
2 ! ISTOPC
00500 ! ITMAX
02 ! ITRACE
30 ! IRST (restart for RGMRES and BiCGSTABL)
1.d-7 ! EPS
3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars)
ML ! Preconditioner type: NONE JACOBI BJAC AS ML
0 ! Number of overlap layers for AS preconditioner
HALO ! AS restriction operator: NONE HALO
NONE ! AS prolongation operator: NONE SUM AVG
ILU ! AS subdomain solver: DSCALE ILU MILU ILUT UMF SLU
0 ! Fill level P for ILU(P) and ILU(T,P)
1.d-4 ! Threshold T for ILU(T,P)
4 ! Number of Jacobi sweeps for base smoother
3 ! Number of levels in a multilevel preconditioner
AS ! Smoother type JACOBI BJAC AS ignored for non-ML
SMOOTHED ! Type of aggregation: SMOOTHED NONSMOOTHED
DEC ! Type of aggregation: DEC
MULT ! Type of multilevel correction: ADD MULT
TWOSIDE ! Side of correction PRE POST TWOSIDE (ignored for ADD)
REPL ! Coarsest-level matrix distribution: DIST REPL
BJAC ! Coarsest-level solver: JACOBI BJAC UMF SLU SLUDIST
UMF ! Coarsest-level subsolver: ILU UMF SLU SLUDIST (DSCALE for JACOBI)
0 ! Coarsest-level fillin P for ILU(P) and ILU(T,P)
1.d-4 ! Coarsest-level threshold T for ILU(T,P)
4 ! Number of Jacobi sweeps for BJAC/PJAC coarsest-level solver
0.01d0 ! Smoothed aggregation threshold: >= 0.0