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mld2p4:

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test/fileread/df_sample.f90
 test/fileread/runs/cfs.inp
 test/fileread/runs/dfs.inp
 test/fileread/runs/sfs.inp
 test/fileread/runs/zfs.inp

Comments in test/fileread.
stopcriterion
Salvatore Filippone 17 years ago
parent bbf57ac99a
commit 7829b23b6a
5 changed files with 117 additions and 117 deletions
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56
test/fileread/df_sample.f90
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@ -52,24 +52,24 @@ program df_sample
character(len=20) :: descr ! verbose description of the prec character(len=20) :: descr ! verbose description of the prec
character(len=10) :: prec ! overall prectype character(len=10) :: prec ! overall prectype
integer :: novr ! number of overlap layers integer :: novr ! number of overlap layers
character(len=16) :: restr ! restriction over application of as character(len=16) :: restr ! restriction over application of AS
character(len=16) :: prol ! prolongation over application of as character(len=16) :: prol ! prolongation over application of AS
character(len=16) :: solve ! Factorization type: ILU, SuperLU, UMFPACK. character(len=16) :: solve ! factorization type: ILU, SuperLU, UMFPACK
integer :: fill1 ! Fill-in for factorization 1 integer :: fill ! fillin for factorization
real(psb_dpk_) :: thr1 ! Threshold for fact. 1 ILU(T) real(psb_dpk_) :: thr ! threshold for fact. ILU(T)
integer :: nlev ! Number of levels in multilevel prec. integer :: nlev ! number of levels in multilevel prec.
character(len=16) :: aggrkind ! smoothed/raw aggregatin character(len=16) :: aggrkind ! smoothed, raw aggregation
character(len=16) :: aggr_alg ! local or global aggregation character(len=16) :: aggr_alg ! aggregation algorithm (currently only decoupled)
character(len=16) :: mltype ! additive or multiplicative 2nd level prec character(len=16) :: mltype ! additive or multiplicative multi-level prec
character(len=16) :: smthpos ! side: pre, post, both smoothing character(len=16) :: smthpos ! side: pre, post, both smoothing
character(len=16) :: cmat ! coarse mat character(len=16) :: cmat ! coarse mat: distributed, replicated
character(len=16) :: csolve ! Coarse solver: bjac, umf, slu, sludist character(len=16) :: csolve ! coarse solver: bjac, umf, slu, sludist
character(len=16) :: csbsolve ! Coarse subsolver: ILU, ILU(T), SuperLU, UMFPACK. character(len=16) :: csbsolve ! coarse subsolver: ILU, ILU(T), SuperLU, UMFPACK
integer :: cfill ! Fill-in for factorization 1 integer :: cfill ! fillin for coarse factorization
real(psb_dpk_) :: cthres ! Threshold for fact. 1 ILU(T) real(psb_dpk_) :: cthres ! threshold for coarse fact. ILU(T)
integer :: cjswp ! Jacobi sweeps integer :: cjswp ! block-Jacobi sweeps
real(psb_dpk_) :: omega ! smoother omega real(psb_dpk_) :: omega ! damping parameter omega
real(psb_dpk_) :: athres ! smoother aggregation threshold real(psb_dpk_) :: athres ! smoothed aggregation threshold
end type precdata end type precdata
type(precdata) :: prec_choice type(precdata) :: prec_choice
@ -253,8 +253,8 @@ program df_sample
call mld_precset(prec,mld_sub_restr_, prec_choice%restr,info) call mld_precset(prec,mld_sub_restr_, prec_choice%restr,info)
call mld_precset(prec,mld_sub_prol_, prec_choice%prol, info) call mld_precset(prec,mld_sub_prol_, prec_choice%prol, info)
call mld_precset(prec,mld_sub_solve_, prec_choice%solve,info) call mld_precset(prec,mld_sub_solve_, prec_choice%solve,info)
call mld_precset(prec,mld_sub_fillin_,prec_choice%fill1,info) call mld_precset(prec,mld_sub_fillin_,prec_choice%fill,info)
call mld_precset(prec,mld_sub_iluthrs_, prec_choice%thr1, info) call mld_precset(prec,mld_sub_iluthrs_, prec_choice%thr, info)
if (psb_toupper(prec_choice%prec) =='ML') then if (psb_toupper(prec_choice%prec) =='ML') then
call mld_precset(prec,mld_aggr_kind_, prec_choice%aggrkind,info) call mld_precset(prec,mld_aggr_kind_, prec_choice%aggrkind,info)
call mld_precset(prec,mld_aggr_alg_, prec_choice%aggr_alg,info) call mld_precset(prec,mld_aggr_alg_, prec_choice%aggr_alg,info)
@ -378,7 +378,7 @@ contains
character(len=*) :: kmethd, mtrx, rhs, afmt,filefmt character(len=*) :: kmethd, mtrx, rhs, afmt,filefmt
type(precdata) :: prec type(precdata) :: prec
integer :: iret, istopc,itmax,itrace, ipart, irst integer :: iret, istopc,itmax,itrace, ipart, irst
real(psb_dpk_) :: eps, omega,thr1,thr2 real(psb_dpk_) :: eps, omega,thr
integer :: iam, nm, np, i integer :: iam, nm, np, i
call psb_info(icontxt,iam,np) call psb_info(icontxt,iam,np)
@ -402,8 +402,8 @@ contains
call read_data(prec%restr,5) ! restriction over application of as call read_data(prec%restr,5) ! restriction over application of as
call read_data(prec%prol,5) ! prolongation over application of as call read_data(prec%prol,5) ! prolongation over application of as
call read_data(prec%solve,5) ! Factorization type: ILU, SuperLU, UMFPACK. call read_data(prec%solve,5) ! Factorization type: ILU, SuperLU, UMFPACK.
call read_data(prec%fill1,5) ! Fill-in for factorization 1 call read_data(prec%fill,5) ! Fill-in for factorization
call read_data(prec%thr1,5) ! Threshold for fact. 1 ILU(T) call read_data(prec%thr,5) ! Threshold for fact. ILU(T)
if (psb_toupper(prec%prec) == 'ML') then if (psb_toupper(prec%prec) == 'ML') then
call read_data(prec%nlev,5) ! Number of levels in multilevel prec. call read_data(prec%nlev,5) ! Number of levels in multilevel prec.
call read_data(prec%aggrkind,5) ! smoothed/raw aggregatin call read_data(prec%aggrkind,5) ! smoothed/raw aggregatin
@ -413,8 +413,8 @@ contains
call read_data(prec%cmat,5) ! coarse mat call read_data(prec%cmat,5) ! coarse mat
call read_data(prec%csolve,5) ! Factorization type: ILU, SuperLU, UMFPACK. call read_data(prec%csolve,5) ! Factorization type: ILU, SuperLU, UMFPACK.
call read_data(prec%csbsolve,5) ! Factorization type: ILU, SuperLU, UMFPACK. call read_data(prec%csbsolve,5) ! Factorization type: ILU, SuperLU, UMFPACK.
call read_data(prec%cfill,5) ! Fill-in for factorization 1 call read_data(prec%cfill,5) ! Fill-in for factorization
call read_data(prec%cthres,5) ! Threshold for fact. 1 ILU(T) call read_data(prec%cthres,5) ! Threshold for fact. ILU(T)
call read_data(prec%cjswp,5) ! Jacobi sweeps call read_data(prec%cjswp,5) ! Jacobi sweeps
call read_data(prec%omega,5) ! smoother omega call read_data(prec%omega,5) ! smoother omega
call read_data(prec%athres,5) ! smoother aggr thresh call read_data(prec%athres,5) ! smoother aggr thresh
@ -439,8 +439,8 @@ contains
call psb_bcast(icontxt,prec%restr) ! restriction over application of as call psb_bcast(icontxt,prec%restr) ! restriction over application of as
call psb_bcast(icontxt,prec%prol) ! prolongation over application of as call psb_bcast(icontxt,prec%prol) ! prolongation over application of as
call psb_bcast(icontxt,prec%solve) ! Factorization type: ILU, SuperLU, UMFPACK. call psb_bcast(icontxt,prec%solve) ! Factorization type: ILU, SuperLU, UMFPACK.
call psb_bcast(icontxt,prec%fill1) ! Fill-in for factorization 1 call psb_bcast(icontxt,prec%fill) ! Fill-in for factorization
call psb_bcast(icontxt,prec%thr1) ! Threshold for fact. 1 ILU(T) call psb_bcast(icontxt,prec%thr) ! Threshold for fact. ILU(T)
if (psb_toupper(prec%prec) == 'ML') then if (psb_toupper(prec%prec) == 'ML') then
call psb_bcast(icontxt,prec%nlev) ! Number of levels in multilevel prec. call psb_bcast(icontxt,prec%nlev) ! Number of levels in multilevel prec.
call psb_bcast(icontxt,prec%aggrkind) ! smoothed/raw aggregatin call psb_bcast(icontxt,prec%aggrkind) ! smoothed/raw aggregatin
@ -450,8 +450,8 @@ contains
call psb_bcast(icontxt,prec%cmat) ! coarse mat call psb_bcast(icontxt,prec%cmat) ! coarse mat
call psb_bcast(icontxt,prec%csolve) ! Factorization type: ILU, SuperLU, UMFPACK. call psb_bcast(icontxt,prec%csolve) ! Factorization type: ILU, SuperLU, UMFPACK.
call psb_bcast(icontxt,prec%csbsolve) ! Factorization type: ILU, SuperLU, UMFPACK. call psb_bcast(icontxt,prec%csbsolve) ! Factorization type: ILU, SuperLU, UMFPACK.
call psb_bcast(icontxt,prec%cfill) ! Fill-in for factorization 1 call psb_bcast(icontxt,prec%cfill) ! Fill-in for factorization
call psb_bcast(icontxt,prec%cthres) ! Threshold for fact. 1 ILU(T) call psb_bcast(icontxt,prec%cthres) ! Threshold for fact. ILU(T)
call psb_bcast(icontxt,prec%cjswp) ! Jacobi sweeps call psb_bcast(icontxt,prec%cjswp) ! Jacobi sweeps
call psb_bcast(icontxt,prec%omega) ! smoother omega call psb_bcast(icontxt,prec%omega) ! smoother omega
call psb_bcast(icontxt,prec%athres) ! smoother aggr thresh call psb_bcast(icontxt,prec%athres) ! smoother aggr thresh

42
test/fileread/runs/cfs.inp
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@ -1,32 +1,32 @@
qc2534.mtx ! This (and others) from: http://math.nist.gov/MatrixMarket/ or qc2534.mtx ! This matrix (and others) from: http://math.nist.gov/MatrixMarket/ or
NONE ! http://www.cise.ufl.edu/research/sparse/matrices/index.html NONE ! rhs | http://www.cise.ufl.edu/research/sparse/matrices/index.html
MM ! File format: MM: Matrix Market HB: Harwell-Boeing. MM ! File format: MM (Matrix Market) HB (Harwell-Boeing).
BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
CSR ! Storage format CSR COO JAD CSR ! Storage format: CSR COO JAD
0 ! IPART: Partition method 0: BLK 2: graph (with Metis) 0 ! IPART (partition method): 0 (block) 2 (graph, with Metis)
2 ! ISTOPC 2 ! ISTOPC
01000 ! ITMAX 01000 ! ITMAX
-1 ! ITRACE -1 ! ITRACE
30 ! IRST (restart for RGMRES and BiCGSTABL) 30 ! IRST (restart for RGMRES and BiCGSTABL)
1.d-5 ! EPS 1.d-5 ! EPS
3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars) 3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars)
ML ! Preconditioner NONE DIAG BJAC AS ML ML ! Preconditioner type: NONE DIAG BJAC AS ML
0 ! Number of overlap layers for AS preconditioner at finest level 0 ! Number of overlap layers for AS preconditioner
HALO ! Restriction operator NONE HALO HALO ! AS restriction operator: NONE HALO
NONE ! Prolongation operator NONE SUM AVG NONE ! AS prolongation operator: NONE SUM AVG
ILU ! Subdomain solver ILU MILU ILUT UMF SLU ILU ! AS subdomain solver: ILU MILU ILUT UMF SLU
1 ! Level-set N for ILU(N) 1 ! Fill level P for ILU(P) and ILU(T,P)
1.d-4 ! Threshold T for ILU(T,P) 1.d-4 ! Threshold T for ILU(T,P)
3 ! Number of levels in a multilevel preconditioner 3 ! Number of levels in a multilevel preconditioner
SMOOTH ! Kind of aggregation: RAW, SMOOTH SMOOTH ! Type of aggregation: SMOOTH RAW
DEC ! Type of aggregation DEC SYMDEC GLB DEC ! Type of aggregation: DEC
MULT ! Type of multilevel correction: ADD MULT MULT ! Type of multilevel correction: ADD MULT
POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD) POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD)
DIST ! Coarse level: matrix distribution DIST REPL DIST ! Coarsest-level matrix distribution: DIST REPL
BJAC ! Coarse level: solver BJAC UMF SLU SLUDIST BJAC ! Coarsest-level solver: BJAC UMF SLU SLUDIST
ILU ! Coarse level: subsolver ILU UMF SLU SLUDIST ILU ! Coarsest-level subsolver: ILU UMF SLU SLUDIST
0 ! Coarse level: Level-set N for ILU(N) 0 ! Coarsest-level fillin P for ILU(P) and ILU(T,P)
1.d-4 ! Coarse level: Threshold T for ILU(T,P) 1.d-4 ! Coarsest-level threshold T for ILU(T,P)
4 ! Coarse level: Number of Jacobi sweeps 4 ! Number of Jacobi sweeps for BJAC coarsest-level solver
-1.0d0 ! Smoother Omega: if < 0 means library choice. -1.0d0 ! Damping parameter omega: if < 0 means library choice
0.01d0 ! Smoother Aggregation Threshold: >= 0.0 0.10d0 ! Smoothed aggregation threshold: >= 0.0

42
test/fileread/runs/dfs.inp
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@ -1,32 +1,32 @@
young1r.mtx ! This (and others) from: http://math.nist.gov/MatrixMarket/ or young1r.mtx ! This matrix (and others) from: http://math.nist.gov/MatrixMarket/ or
NONE ! http://www.cise.ufl.edu/research/sparse/matrices/index.html NONE ! rhs | http://www.cise.ufl.edu/research/sparse/matrices/index.html
MM ! File format: MM: Matrix Market HB: Harwell-Boeing. MM ! File format: MM (Matrix Market) HB (Harwell-Boeing).
BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
CSR ! Storage format CSR COO JAD CSR ! Storage format: CSR COO JAD
0 ! IPART: Partition method 0: BLK 2: graph (with Metis) 0 ! IPART (partition method): 0 (block) 2 (graph, with Metis)
2 ! ISTOPC 2 ! ISTOPC
01000 ! ITMAX 01000 ! ITMAX
-1 ! ITRACE -1 ! ITRACE
30 ! IRST (restart for RGMRES and BiCGSTABL) 30 ! IRST (restart for RGMRES and BiCGSTABL)
1.d-5 ! EPS 1.d-5 ! EPS
3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars) 3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars)
ML ! Preconditioner NONE DIAG BJAC AS ML ML ! Preconditioner type: NONE DIAG BJAC AS ML
0 ! Number of overlap layers for AS preconditioner at finest level 0 ! Number of overlap layers for AS preconditioner
HALO ! Restriction operator NONE HALO HALO ! AS restriction operator: NONE HALO
NONE ! Prolongation operator NONE SUM AVG NONE ! AS prolongation operator: NONE SUM AVG
ILU ! Subdomain solver ILU MILU ILUT UMF SLU ILU ! AS subdomain solver: ILU MILU ILUT UMF SLU
1 ! Level-set N for ILU(N) 1 ! Fill level P for ILU(P) and ILU(T,P)
1.d-4 ! Threshold T for ILU(T,P) 1.d-4 ! Threshold T for ILU(T,P)
3 ! Number of levels in a multilevel preconditioner 3 ! Number of levels in a multilevel preconditioner
SMOOTH ! Kind of aggregation: RAW, SMOOTH SMOOTH ! Type of aggregation: SMOOTH RAW
DEC ! Type of aggregation DEC SYMDEC GLB DEC ! Type of aggregation: DEC
MULT ! Type of multilevel correction: ADD MULT MULT ! Type of multilevel correction: ADD MULT
POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD) POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD)
DIST ! Coarse level: matrix distribution DIST REPL DIST ! Coarsest-level matrix distribution: DIST REPL
BJAC ! Coarse level: solver BJAC UMF SLU SLUDIST BJAC ! Coarsest-level solver: BJAC UMF SLU SLUDIST
ILU ! Coarse level: subsolver ILU UMF SLU SLUDIST ILU ! Coarsest-level subsolver: ILU UMF SLU SLUDIST
0 ! Coarse level: Level-set N for ILU(N) 0 ! Coarsest-level fillin P for ILU(P) and ILU(T,P)
1.d-4 ! Coarse level: Threshold T for ILU(T,P) 1.d-4 ! Coarsest-level threshold T for ILU(T,P)
4 ! Coarse level: Number of Jacobi sweeps 4 ! Number of Jacobi sweeps for BJAC coarsest-level solver
-1.0d0 ! Smoother Omega: if < 0 means library choice. -1.0d0 ! Damping parameter omega: if < 0 means library choice
0.10d0 ! Smoother Aggregation Threshold: >= 0.0 0.10d0 ! Smoothed aggregation threshold: >= 0.0

42
test/fileread/runs/sfs.inp
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@ -1,32 +1,32 @@
young1r.mtx ! This (and others) from: http://math.nist.gov/MatrixMarket/ or young1r.mtx ! This matrix (and others) from: http://math.nist.gov/MatrixMarket/ or
NONE ! http://www.cise.ufl.edu/research/sparse/matrices/index.html NONE ! rhs | http://www.cise.ufl.edu/research/sparse/matrices/index.html
MM ! File format: MM: Matrix Market HB: Harwell-Boeing. MM ! File format: MM (Matrix Market) HB (Harwell-Boeing).
BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
CSR ! Storage format CSR COO JAD CSR ! Storage format: CSR COO JAD
0 ! IPART: Partition method 0: BLK 2: graph (with Metis) 0 ! IPART (partition method): 0 (block) 2 (graph, with Metis)
2 ! ISTOPC 2 ! ISTOPC
01000 ! ITMAX 01000 ! ITMAX
-1 ! ITRACE -1 ! ITRACE
30 ! IRST (restart for RGMRES and BiCGSTABL) 30 ! IRST (restart for RGMRES and BiCGSTABL)
1.d-5 ! EPS 1.d-5 ! EPS
3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars) 3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars)
ML ! Preconditioner NONE DIAG BJAC AS ML ML ! Preconditioner type: NONE DIAG BJAC AS ML
0 ! Number of overlap layers for AS preconditioner at finest level 0 ! Number of overlap layers for AS preconditioner
HALO ! Restriction operator NONE HALO HALO ! AS restriction operator: NONE HALO
NONE ! Prolongation operator NONE SUM AVG NONE ! AS prolongation operator: NONE SUM AVG
ILU ! Subdomain solver ILU MILU ILUT UMF SLU ILU ! AS subdomain solver: ILU MILU ILUT UMF SLU
1 ! Level-set N for ILU(N) 1 ! Fill level P for ILU(P) and ILU(T,P)
1.d-4 ! Threshold T for ILU(T,P) 1.d-4 ! Threshold T for ILU(T,P)
3 ! Number of levels in a multilevel preconditioner 3 ! Number of levels in a multilevel preconditioner
SMOOTH ! Kind of aggregation: RAW, SMOOTH SMOOTH ! Type of aggregation: SMOOTH RAW
DEC ! Type of aggregation DEC SYMDEC GLB DEC ! Type of aggregation: DEC
MULT ! Type of multilevel correction: ADD MULT MULT ! Type of multilevel correction: ADD MULT
POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD) POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD)
DIST ! Coarse level: matrix distribution DIST REPL DIST ! Coarsest-level matrix distribution: DIST REPL
BJAC ! Coarse level: solver BJAC UMF SLU SLUDIST BJAC ! Coarsest-level solver: BJAC UMF SLU SLUDIST
ILU ! Coarse level: subsolver ILU UMF SLU SLUDIST ILU ! Coarsest-level subsolver: ILU UMF SLU SLUDIST
0 ! Coarse level: Level-set N for ILU(N) 0 ! Coarsest-level fillin P for ILU(P) and ILU(T,P)
1.d-4 ! Coarse level: Threshold T for ILU(T,P) 1.d-4 ! Coarsest-level threshold T for ILU(T,P)
4 ! Coarse level: Number of Jacobi sweeps 4 ! Number of Jacobi sweeps for BJAC coarsest-level solver
-1.0d0 ! Smoother Omega: if < 0 means library choice. -1.0d0 ! Damping parameter omega: if < 0 means library choice
0.10d0 ! Smoother Aggregation Threshold: >= 0.0 0.10d0 ! Smoothed aggregation threshold: >= 0.0

42
test/fileread/runs/zfs.inp
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@ -1,32 +1,32 @@
qc2534.mtx ! This (and others) from: http://math.nist.gov/MatrixMarket/ or qc2534.mtx ! This matrix (and others) from: http://math.nist.gov/MatrixMarket/ or
NONE ! http://www.cise.ufl.edu/research/sparse/matrices/index.html NONE ! rhs | http://www.cise.ufl.edu/research/sparse/matrices/index.html
MM ! File format: MM: Matrix Market HB: Harwell-Boeing. MM ! File format: MM (Matrix Market) HB (Harwell-Boeing).
BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
CSR ! Storage format CSR COO JAD CSR ! Storage format: CSR COO JAD
0 ! IPART: Partition method 0: BLK 2: graph (with Metis) 0 ! IPART (partition method): 0 (block) 2 (graph, with Metis)
2 ! ISTOPC 2 ! ISTOPC
01000 ! ITMAX 01000 ! ITMAX
-1 ! ITRACE -1 ! ITRACE
30 ! IRST (restart for RGMRES and BiCGSTABL) 30 ! IRST (restart for RGMRES and BiCGSTABL)
1.d-5 ! EPS 1.d-5 ! EPS
3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars) 3L-M-RAS-I-D4 ! Longer descriptive name for preconditioner (up to 20 chars)
ML ! Preconditioner NONE DIAG BJAC AS ML ML ! Preconditioner type: NONE DIAG BJAC AS ML
0 ! Number of overlap layers for AS preconditioner at finest level 0 ! Number of overlap layers for AS preconditioner
HALO ! Restriction operator NONE HALO HALO ! AS restriction operator: NONE HALO
NONE ! Prolongation operator NONE SUM AVG NONE ! AS prolongation operator: NONE SUM AVG
ILU ! Subdomain solver ILU MILU ILUT UMF SLU ILU ! AS subdomain solver: ILU MILU ILUT UMF SLU
1 ! Level-set N for ILU(N) 1 ! Fill level P for ILU(P) and ILU(T,P)
1.d-4 ! Threshold T for ILU(T,P) 1.d-4 ! Threshold T for ILU(T,P)
3 ! Number of levels in a multilevel preconditioner 3 ! Number of levels in a multilevel preconditioner
SMOOTH ! Kind of aggregation: RAW, SMOOTH SMOOTH ! Type of aggregation: SMOOTH RAW
DEC ! Type of aggregation DEC SYMDEC GLB DEC ! Type of aggregation: DEC
MULT ! Type of multilevel correction: ADD MULT MULT ! Type of multilevel correction: ADD MULT
POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD) POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD)
DIST ! Coarse level: matrix distribution DIST REPL DIST ! Coarsest-level matrix distribution: DIST REPL
BJAC ! Coarse level: solver BJAC UMF SLU SLUDIST BJAC ! Coarsest-level solver: BJAC UMF SLU SLUDIST
ILU ! Coarse level: subsolver ILU UMF SLU SLUDIST ILU ! Coarsest-level subsolver: ILU UMF SLU SLUDIST
0 ! Coarse level: Level-set N for ILU(N) 0 ! Coarsest-level fillin P for ILU(P) and ILU(T,P)
1.d-4 ! Coarse level: Threshold T for ILU(T,P) 1.d-4 ! Coarsest-level threshold T for ILU(T,P)
4 ! Coarse level: Number of Jacobi sweeps 4 ! Number of Jacobi sweeps for BJAC coarsest-level solver
-1.0d0 ! Smoother Omega: if < 0 means library choice. -1.0d0 ! Damping parameter omega: if < 0 means library choice
0.01d0 ! Smoother Aggregation Threshold: >= 0.0 0.10d0 ! Smoothed aggregation threshold: >= 0.0

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