@ -1,12 +1,12 @@
pressmat.mtx ! This matrix (and others) from: http://math.nist.gov/MatrixMarket/ or
pressrhs.mtx ! rhs | http://www.cise.ufl.edu/research/sparse/matrices/index.html
MM !
BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
RGMRES ! 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 ! IPART (partition method): 0 (block) 2 (graph, with Metis)
2 ! ISTOPC
0010 0 ! ITMAX
01 ! ITRACE
0012 0 ! ITMAX
3 0 ! ITRACE
30 ! IRST (restart for RGMRES and BiCGSTABL)
1.d-6 ! EPS
4L-M-RAS-I-UR ! Longer descriptive name for preconditioner (up to 20 chars)
@ -14,21 +14,21 @@ 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
GS ! AS subdomain solver: DSCALE ILU MILU ILUT UMF SLU MUMPS
ILU ! AS subdomain solver: DSCALE ILU MILU ILUT UMF SLU MUMPS
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
2 ! Number of Jacobi sweeps for base smoother
4 ! Number of levels in a multilevel preconditioner
BJAC ! Smoother type JACOBI BJAC AS ignored for non-ML
NON SMOOTHED ! Type of aggregation: SMOOTHED NONSMOOTHED
SMOOTHED ! Type of aggregation: SMOOTHED NONSMOOTHED
DEC ! Type of aggregation: DEC
NATURAL ! Ordering of aggregation NATURAL DEGREE
DEGREE ! Ordering of aggregation NATURAL DEGREE
MULT ! Type of multilevel correction: ADD MULT
POST ! Side of multiplicative correction PRE POST TWOSIDE (ignored for ADD)
REPL ! Coarsest-level matrix distribution: DIST REPL
TWOSIDE ! Side of multiplicative correction PRE POST TWOSIDE (ignored for ADD)
DIST ! Coarsest-level matrix distribution: DIST REPL
BJAC ! Coarsest-level solver: JACOBI BJAC UMF SLU SLUDIST MUMPS
IL U ! Coarsest-level subsolver: ILU UMF SLU MUMPS SLUDIST
0 ! Coarsest-level fillin P for ILU(P) and ILU(T,P)
UMF ! Coarsest-level subsolver: ILU UMF SLU MUMPS SLUDIST
2 ! 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
0.0125d0 ! Smoothed aggregation threshold: >= 0.0