BICGSTAB            | Iterative method BICGSTAB CGS  BICG BICGSTABL RGMRES
CSR                 | Storage format for matrix A CSR COO JAD 
60                  | Domain size (acutal system is this**3)
1                   | Stopping criterion
80                  | MAXIT
01                  | ITRACE
20                  | IRST    restart for RGMRES  and BiCGSTABL
3L-M-RAS-U-D4       | Preconditioner description NONE  DIAG  BJAC 2L-M-RAS-ID4
3                   | N levels
AS                  | Preconditioner for base level(s): NONE DIAG BJAC AS
ILU                 | Fact. for base:  ILU MILU ILUT SLU UMFP
0                   | Fill level for ILU(K) and ILU(T,P)
1.d-8               | Threshold for ILU(T,P), ignored otherwise
1                   | Number of overlap layers      
HALO                | Restriction:  NONE HALO         
NONE                | Prolongator:  NONE SUM AVG            
ML                  | Preconditioner for upper levels must be ML ignored if nlev<2
MULT                | Type of multilevel NONE ADD MULT  (none is self contradictory!!)
DEC                 | Aggregation algorithm: DEC  SYMDEC GLB
SMOOTH              | Prolongator:  NONE   SMOOTH 
REPL                | coarse matrix: DIST  REPL
POST                | Smoother position:  PRE POST TWOSIDE
UMFP                | Fact. for upper: ILU MILU ILUT SLU UMFP
0                   | Fill level for ILU(K) and ILU(T,P)
1.e-8               | Threshold for ILU(T,P), ignored otherwise
4                   | Number of Jacoby sweeps 
-1.0                | Smoother omega if >=0.0, if <0.0 library default