young1r.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 ! File format: MM (Matrix Market) HB (Harwell-Boeing). 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 01000 ! ITMAX -1 ! ITRACE 30 ! IRST (restart for RGMRES and BiCGSTABL) 1.d-5 ! EPS 3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars) ML ! Preconditioner type: NONE DIAG 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: ILU MILU ILUT UMF SLU 1 ! Fill level P for ILU(P) and ILU(T,P) 1.d-4 ! Threshold T for ILU(T,P) 1 ! Jacobi sweeps 3 ! Number of levels in a multilevel preconditioner AS ! Smoother type JACOBI BJAC AS ignored for non-ML SMOOTHED ! Type of aggregation: SMOOTHED NONSMOOTHED MINENERGY DEC ! Type of aggregation: DEC MULT ! Type of multilevel correction: ADD MULT POST ! Side of multiplicative correction PRE POST TWOSIDE (ignored for ADD) DIST ! Coarsest-level matrix distribution: DIST REPL BJAC ! Coarsest-level solver: BJAC UMF SLU SLUDIST ILU ! Coarsest-level subsolver: ILU UMF SLU SLUDIST 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 coarsest-level solver 0.10d0 ! Smoothed aggregation threshold: >= 0.0