BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG CSR ! Storage format CSR COO JAD 40 ! IDIM; domain size is idim**3 2 ! ISTOPC 00100 ! ITMAX 01 ! ITRACE 30 ! IRST (restart for RGMRES and BiCGSTABL) 1.d-7 ! EPS RAS ! Longer descriptive name for preconditioner (up to 20 chars) AS ! Preconditioner NONE DIAG BJAC AS ML 0 ! Number of overlap layers for AS preconditioner at finest level HALO ! Restriction operator NONE HALO NONE ! Prolongation operator NONE SUM AVG ILU ! Subdomain solver ILU MILU ILUT UMF SLU 1 ! Level-set N for ILU(N) 1.d-4 ! Threshold T for ILU(T,P) 3 ! Number of levels in a multilevel preconditioner SMOOTHED ! Kind of aggregation: SMOOTHED, NONSMOOTHED, MINENERGY DEC ! Type of aggregation DEC SYMDEC GLB MULT ! Type of multilevel correction: ADD MULT TWOSIDE ! Side of mult. correction PRE POST TWOSIDE (ignored for ADD) REPL ! Coarse level: matrix distribution DIST REPL BJAC ! Coarse level: solver BJAC UMF SLU SLUDIST ILUT ! Coarse level: subsolver ILU UMF SLU SLUDIST 1 ! Coarse level: Level-set N for ILU(N) 1.d-4 ! Coarse level: Threshold T for ILU(T,P) 4 ! Coarse level: Number of Jacobi sweeps 0.10d0 ! Smoother Aggregation Threshold: >= 0.0