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BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
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CSR ! Storage format CSR COO JAD
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040 ! IDIM; domain size is idim**3
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2 ! ISTOPC
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0200 ! ITMAX
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-1 ! ITRACE
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30 ! IRST (restart for RGMRES and BiCGSTABL)
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1.d-6 ! EPS
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3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars)
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ML ! Preconditioner NONE JACOBI BJAC AS ML
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1 ! Number of overlap layers for AS preconditioner at finest level
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HALO ! Restriction operator NONE HALO
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NONE ! Prolongation operator NONE SUM AVG
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ILU ! Subdomain solver DSCALE ILU MILU ILUT UMF SLU
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0 ! Level-set N for ILU(N)
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1.d-4 ! Threshold T for ILU(T,P)
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1 ! Smoother/Jacobi sweeps
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AS ! Smoother type JACOBI BJAC AS ignored for non-ML
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2 ! Number of levels in a multilevel preconditioner
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SMOOTHED ! Kind of aggregation: SMOOTHED, NONSMOOTHED, MINENERGY
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DEC ! Type of aggregation DEC SYMDEC GLB
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MULT ! Type of multilevel correction: ADD MULT
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POST ! Side of multiplicative correction PRE POST TWOSIDE (ignored for ADD)
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DIST ! Coarse level: matrix distribution DIST REPL
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BJAC ! Coarse level: solver JACOBI BJAC UMF SLU SLUDIST
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UMF ! Coarse level: subsolver DSCALE ILU UMF SLU SLUDIST
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1 ! Coarse level: Level-set N for ILU(N)
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1.d-4 ! Coarse level: Threshold T for ILU(T,P)
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4 ! Coarse level: Number of Jacobi sweeps
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0.10d0 ! Smoother Aggregation Threshold: >= 0.0
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