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mld2p4:

Browse Source 
docs/pdf/userinterface.tex
 docs/userguide.pdf
 mlprec/mld_cbaseprec_bld.f90
 mlprec/mld_cfact_bld.f90
 mlprec/mld_cmlprec_bld.f90
 mlprec/mld_cprecbld.f90
 mlprec/mld_cprecinit.f90
 mlprec/mld_cprecset.f90
 mlprec/mld_csub_aply.f90
 mlprec/mld_csub_solve.f90
 mlprec/mld_dbaseprec_bld.f90
 mlprec/mld_dfact_bld.f90
 mlprec/mld_dmlprec_bld.f90
 mlprec/mld_dprecbld.f90
 mlprec/mld_dprecinit.f90
 mlprec/mld_dprecset.f90
 mlprec/mld_dsub_aply.f90
 mlprec/mld_dsub_solve.f90
 mlprec/mld_prec_type.f90
 mlprec/mld_sbaseprec_bld.f90
 mlprec/mld_sfact_bld.f90
 mlprec/mld_smlprec_bld.f90
 mlprec/mld_sprecbld.f90
 mlprec/mld_sprecinit.f90
 mlprec/mld_sprecset.f90
 mlprec/mld_ssub_aply.f90
 mlprec/mld_ssub_solve.f90
 mlprec/mld_zbaseprec_bld.f90
 mlprec/mld_zfact_bld.f90
 mlprec/mld_zmlprec_bld.f90
 mlprec/mld_zprecbld.f90
 mlprec/mld_zprecinit.f90
 mlprec/mld_zprecset.f90
 mlprec/mld_zsub_aply.f90
 mlprec/mld_zsub_solve.f90
 test/fileread/cf_sample.f90
 test/fileread/df_bench.f90
 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
 test/fileread/sf_sample.f90
 test/fileread/zf_bench.f90
 test/fileread/zf_sample.f90
 test/pargen/ppde.f90
 test/pargen/spde.f90

Fixes for: consistency checks in preconditioners.
stopcriterion
Salvatore Filippone 17 years ago
parent 9bf85f340a
commit 9c85e54740
47 changed files with 1196 additions and 1205 deletions
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7
docs/pdf/userinterface.tex
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@ -242,15 +242,14 @@ aggregation. Currently only the infinity norm of the matrix A is available\\
& 'DISTR'
& Coarse matrix: distributed or replicated \\
\verb|mld_coarse_solve_| & \verb|character(len=*)|
& 'BJAC' \ \ \ 'UMF' \ \ \ 'SLUDIST'
& 'BJAC' \ \ \ 'UMF' \ \ \ 'SLU' \ \ \ 'SLUDIST'
& 'BJAC'
& \textbf{VEDI OSSERVAZIONI EMAIL 15-16/06/08} available solver for coarse system.
Only 'BJAC' and 'SLUDIST' can be used for distributed coarse matrix. 'BJAC' corresponds to some sweeps of a block-Jacobi solver, while 'SLUDIST' corresponds
& Only 'BJAC' and 'SLUDIST' can be used for distributed coarse matrix. 'BJAC' corresponds to some sweeps of a block-Jacobi solver, while 'SLUDIST' corresponds
to the use of the external package SuperLU\_Dist~\cite{SUPERLUDIST}, version 2.0, for distributed sparse factorization and solve. \\
\verb|mld_coarse_subsolve_| & \verb|character(len=*)|
& 'ILU' \ \ \ 'MILU' \ \ \ 'ILUT' \ \ \ 'UMF' \ \ \ 'SLU'
& 'UMF'
& \textbf{VEDI OSSERVAZIONI EMAIL 15-16/06/08} available solver for diagonal local blocks of the coarse matrix, when 'BJAC' is used as coarse solver\\
& available solver for diagonal local blocks of the coarse matrix, when 'BJAC' is used as coarse solver\\
\verb|mld_coarse_sweeps_|& \verb|integer|
& any number $> 0$
& 4

740
docs/userguide.pdf
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File diff suppressed because it is too large Load Diff

2
mlprec/mld_cbaseprec_bld.f90
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@ -173,7 +173,7 @@ subroutine mld_cbaseprc_bld(a,desc_a,p,info,upd)
! Set parameters for using SuperLU_dist on the local submatrices
if (p%iprcparm(mld_sub_solve_)==mld_sludist_) then
p%iprcparm(mld_sub_ovr_) = 0
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
if (debug_level >= psb_debug_outer_) &

8
mlprec/mld_cfact_bld.f90
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@ -194,7 +194,7 @@ subroutine mld_cfact_bld(a,p,upd,info,blck)
! Clip into p%av(ap_nd_) the off block-diagonal part of the local
! matrix. The clipped matrix is then stored in CSR format.
!
if (p%iprcparm(mld_smooth_sweeps_) > 1) then
if (p%iprcparm(mld_smoother_sweeps_) > 1) then
call psb_sp_clip(atmp,p%av(mld_ap_nd_),info,&
& jmin=atmp%m+1,rscale=.false.,cscale=.false.)
if (info == 0) call psb_spcnv(p%av(mld_ap_nd_),info,&
@ -213,7 +213,7 @@ subroutine mld_cfact_bld(a,p,upd,info,blck)
! multiple Jacobi sweeps. This is certain to happen when running
! on a single processor.
!
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
end if
if (debug_level >= psb_debug_outer_) &
@ -303,7 +303,7 @@ subroutine mld_cfact_bld(a,p,upd,info,blck)
! clipped matrix is then stored in CSR format.
!
if (p%iprcparm(mld_smooth_sweeps_) > 1) then
if (p%iprcparm(mld_smoother_sweeps_) > 1) then
n_row = psb_cd_get_local_rows(p%desc_data)
n_col = psb_cd_get_local_cols(p%desc_data)
nrow_a = a%m
@ -330,7 +330,7 @@ subroutine mld_cfact_bld(a,p,upd,info,blck)
! multiple Jacobi sweeps. This is certain to happen when running
! on a single processor.
!
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
call psb_sp_free(atmp,info)
if (info/=0) then

2
mlprec/mld_cmlprec_bld.f90
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@ -110,7 +110,7 @@ subroutine mld_cmlprec_bld(a,desc_a,p,info)
end select
call mld_check_def(p%rprcparm(mld_aggr_damp_),'Omega',szero,is_legal_s_omega)
call mld_check_def(p%rprcparm(mld_aggr_thresh_),'Aggr_Thresh',szero,is_legal_s_aggr_thrs)
call mld_check_def(p%iprcparm(mld_smooth_sweeps_),'Jacobi sweeps',&
call mld_check_def(p%iprcparm(mld_smoother_sweeps_),'Jacobi sweeps',&
& 1,is_legal_jac_sweeps)
!

55
mlprec/mld_cprecbld.f90
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@ -80,6 +80,7 @@ subroutine mld_cprecbld(a,desc_a,p,info)
! Local Variables
Integer :: err,i,k,ictxt, me,np, err_act, iszv
integer :: ipv(mld_ifpsz_), val
integer :: int_err(5)
character :: upd_
integer :: debug_level, debug_unit
@ -137,6 +138,17 @@ subroutine mld_cprecbld(a,desc_a,p,info)
end if
if (iszv >= 1) then
!
! Check on the iprcparm contents: they should be the same
! on all processes.
!
if (me == psb_root_) ipv(:) = p%baseprecv(1)%iprcparm(:)
call psb_bcast(ictxt,ipv)
if (any(ipv(:) /= p%baseprecv(1)%iprcparm(:) )) then
write(debug_unit,*) me,name,&
&': Inconsistent arguments among processes, forcing a default'
p%baseprecv(1)%iprcparm(:) = ipv(:)
end if
!
! Allocate and build the fine level preconditioner
!
@ -162,6 +174,17 @@ subroutine mld_cprecbld(a,desc_a,p,info)
! levels
!
do i=2, iszv
!
! Check on the iprcparm contents: they should be the same
! on all processes.
!
if (me == psb_root_) ipv(:) = p%baseprecv(i)%iprcparm(:)
call psb_bcast(ictxt,ipv)
if (any(ipv(:) /= p%baseprecv(i)%iprcparm(:) )) then
write(debug_unit,*) me,name,&
&': Inconsistent arguments among processes, resetting.'
p%baseprecv(i)%iprcparm(:) = ipv(:)
end if
!
! Allocate the av component of the preconditioner data type
@ -173,6 +196,38 @@ subroutine mld_cprecbld(a,desc_a,p,info)
!
call mld_check_def(p%baseprecv(i)%iprcparm(mld_coarse_mat_),'Coarse matrix',&
& mld_distr_mat_,is_distr_ml_coarse_mat)
else if (i == iszv) then
!
! At the coarsest level, check mld_coarse_solve_
!
val = p%baseprecv(i)%iprcparm(mld_coarse_solve_)
select case (val)
case(mld_umf_, mld_slu_)
if ((p%baseprecv(i)%iprcparm(mld_coarse_mat_) /= mld_repl_mat_).or.&
& (p%baseprecv(i)%iprcparm(mld_sub_solve_) /= val)) then
if (me == 0) write(debug_unit,*)&
& 'Warning: inconsistent coarse level specification.'
if (me == 0) write(debug_unit,*)&
& ' Resetting according to the value specified for mld_coarse_solve_.'
p%baseprecv(i)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
p%baseprecv(i)%iprcparm(mld_sub_solve_) = val
p%baseprecv(i)%iprcparm(mld_smoother_type_) = mld_bjac_
end if
case(mld_sludist_)
if ((p%baseprecv(i)%iprcparm(mld_coarse_mat_) /= mld_distr_mat_).or.&
& (p%baseprecv(i)%iprcparm(mld_sub_solve_) /= val)) then
if (me == 0) write(debug_unit,*)&
& 'Warning: inconsistent coarse level specification.'
if (me == 0) write(debug_unit,*)&
& ' Resetting according to the value specified for mld_coarse_solve_.'
p%baseprecv(i)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
p%baseprecv(i)%iprcparm(mld_sub_solve_) = val
p%baseprecv(i)%iprcparm(mld_smoother_type_) = mld_bjac_
p%baseprecv(i)%iprcparm(mld_smoother_sweeps_) = 1
end if
end select
end if
call init_baseprc_av(p%baseprecv(i),info)

14
mlprec/mld_cprecinit.f90
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@ -124,7 +124,7 @@ subroutine mld_cprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_prol_) = psb_none_
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('DIAG')
nlev_ = 1
@ -140,7 +140,7 @@ subroutine mld_cprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_prol_) = psb_none_
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('BJAC')
nlev_ = 1
@ -157,7 +157,7 @@ subroutine mld_cprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('AS')
nlev_ = 1
@ -174,7 +174,7 @@ subroutine mld_cprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 1
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('ML')
@ -198,7 +198,7 @@ subroutine mld_cprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
if (nlev_ == 1) return
do ilev_ = 2, nlev_ -1
@ -220,7 +220,7 @@ subroutine mld_cprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_aggr_eig_) = mld_max_norm_
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = mld_ilu_n_
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
p%baseprecv(ilev_)%rprcparm(mld_aggr_damp_) = 4.e0/3.e0
end do
ilev_ = nlev_
@ -242,7 +242,7 @@ subroutine mld_cprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_aggr_eig_) = mld_max_norm_
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = mld_ilu_n_
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 4
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 4
p%baseprecv(ilev_)%rprcparm(mld_aggr_damp_) = 4.e0/3.e0
case default

181
mlprec/mld_cprecset.f90
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@ -109,7 +109,8 @@ subroutine mld_cprecseti(p,what,val,info,ilev)
endif
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
info = 3111
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
return
endif
@ -124,7 +125,7 @@ subroutine mld_cprecseti(p,what,val,info,ilev)
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,mld_smooth_sweeps_)
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,mld_smoother_sweeps_)
p%baseprecv(ilev_)%iprcparm(what) = val
case default
write(0,*) name,': Error: invalid WHAT'
@ -135,7 +136,7 @@ subroutine mld_cprecseti(p,what,val,info,ilev)
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,&
& mld_smooth_sweeps_,mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_sweeps_,mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_,mld_aggr_eig_)
p%baseprecv(ilev_)%iprcparm(what) = val
case(mld_coarse_mat_)
@ -145,20 +146,38 @@ subroutine mld_cprecseti(p,what,val,info,ilev)
return
end if
p%baseprecv(ilev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
case(mld_coarse_subsolve_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = val
case(mld_coarse_solve_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
if (nlev_ > 1) then
p%baseprecv(nlev_)%iprcparm(mld_coarse_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_smoother_type_) = mld_bjac_
select case (val)
case(mld_umf_, mld_slu_)
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
case default
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
end select
endif
case(mld_coarse_sweeps_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = val
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = val
case(mld_coarse_fillin_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
@ -178,14 +197,14 @@ subroutine mld_cprecseti(p,what,val,info,ilev)
! ilev not specified: set preconditioner parameters at all the appropriate
! levels
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,&
& mld_smooth_sweeps_)
& mld_smoother_sweeps_)
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -195,7 +214,8 @@ subroutine mld_cprecseti(p,what,val,info,ilev)
& mld_smoother_pos_,mld_aggr_eig_)
do ilev_=2,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -203,28 +223,52 @@ subroutine mld_cprecseti(p,what,val,info,ilev)
end do
case(mld_coarse_mat_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
& ': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) then
p%baseprecv(nlev_)%iprcparm(mld_coarse_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_smoother_type_) = mld_bjac_
select case (val)
case(mld_umf_, mld_slu_)
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
case default
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
end select
endif
case(mld_coarse_subsolve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
end if
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
case(mld_coarse_sweeps_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_smooth_sweeps_) = val
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_smoother_sweeps_) = val
case(mld_coarse_fillin_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -314,117 +358,10 @@ subroutine mld_cprecsetc(p,what,string,info,ilev)
return
endif
!
! Set preconditioner parameters at level ilev.
!
if (present(ilev)) then
if (ilev_ == 1) then
!
! Rules for fine level are slightly different.
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_)
call mld_stringval(string,val,info)
p%baseprecv(ilev_)%iprcparm(what) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
else if (ilev_ > 1) then
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_,mld_aggr_eig_)
call mld_stringval(string,val,info)
p%baseprecv(ilev_)%iprcparm(what) = val
case(mld_coarse_mat_)
call mld_stringval(string,val,info)
if (ilev_ /= nlev_ .and. val /= mld_distr_mat_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
call mld_stringval(string,val,info)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
endif
else if (.not.present(ilev)) then
!
! ilev not specified: set preconditioner parameters at all the appropriate
! levels
!
select case(what)
case(mld_smoother_type_)
call mld_stringval(string,val,info)
if ((nlev_ > 1).and.(val==mld_noprec_)) then
write(0,*) name,': Error: invalid WHAT'
info = -2
endif
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_sub_solve_,mld_sub_restr_,mld_sub_prol_)
call mld_stringval(string,val,info)
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_)
call mld_stringval(string,val,info)
do ilev_=2,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_coarse_mat_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
call mld_stringval(string,val,info)
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
call mld_stringval(string,val,info)
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
if (info == 0) call mld_precset(p,what,val,info,ilev=ilev)
endif
end subroutine mld_cprecsetc

16
mlprec/mld_csub_aply.f90
Unescape Escape View File

@ -93,8 +93,8 @@
! or a block-Jacobi or LU or ILU solver at the coarsest level of a multilevel
! preconditioner.
!
! Tasks 1, 3 and 4 may be selected when prec%iprcparm(smooth_sweeps_) = 1,
! while task 2 is selected when prec%iprcparm(smooth_sweeps_) > 1. Furthermore
! Tasks 1, 3 and 4 may be selected when prec%iprcparm(mld_smoother_sweeps_) = 1,
! while task 2 is selected when prec%iprcparm(mld_smoother_sweeps_) > 1. Furthermore
! Tasks 1, 2 and 3 may be performed when the matrix A is
! distributed among the processes (prec%iprcparm(mld_coarse_mat_) = mld_distr_mat_),
! while task 4 may be performed when A is replicated on the processes
@ -126,7 +126,7 @@
! If trans='N','n' then op(K^(-1)) = K^(-1);
! if trans='T','t' then op(K^(-1)) = K^(-T) (transpose of K^(-1)).
! if trans='C','c' then op(K^(-1)) = K^(-C) (transpose conjugate of K^(-1)).
! If prec%iprcparm(smooth_sweeps_) > 1, the value of trans provided
! If prec%iprcparm(mld_smoother_sweeps_) > 1, the value of trans provided
! in input is ignored.
! work - complex(psb_spk_), dimension (:), target.
! Workspace. Its size must be at least 4*psb_cd_get_local_cols(desc_data).
@ -200,7 +200,7 @@ subroutine mld_csub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
end if
endif
if (prec%iprcparm(mld_smooth_sweeps_) == 1) then
if (prec%iprcparm(mld_smoother_sweeps_) == 1) then
call mld_sub_solve(alpha,prec,x,beta,y,desc_data,trans_,aux,info)
@ -209,10 +209,10 @@ subroutine mld_csub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
goto 9999
endif
else if (prec%iprcparm(mld_smooth_sweeps_) > 1) then
else if (prec%iprcparm(mld_smoother_sweeps_) > 1) then
!
!
! Apply prec%iprcparm(smooth_sweeps_) sweeps of a block-Jacobi solver
! Apply prec%iprcparm(mld_smoother_sweeps_) sweeps of a block-Jacobi solver
! to compute an approximate solution of a linear system.
!
@ -231,7 +231,7 @@ subroutine mld_csub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
tx = czero
ty = czero
do i=1, prec%iprcparm(mld_smooth_sweeps_)
do i=1, prec%iprcparm(mld_smoother_sweeps_)
!
! Compute Y(j+1) = D^(-1)*(X-ND*Y(j)), where D and ND are the
! block diagonal part and the remaining part of the local matrix
@ -267,7 +267,7 @@ subroutine mld_csub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
info = 10
call psb_errpush(info,name,&
& i_err=(/2,prec%iprcparm(mld_smooth_sweeps_),0,0,0/))
& i_err=(/2,prec%iprcparm(mld_smoother_sweeps_),0,0,0/))
goto 9999
endif

2
mlprec/mld_csub_solve.f90
Unescape Escape View File

@ -104,7 +104,7 @@
! If trans='N','n' then op(K^(-1)) = K^(-1);
! if trans='T','t' then op(K^(-1)) = K^(-T) (transpose of K^(-1)).
! if trans='C','c' then op(K^(-1)) = K^(-C) (transpose conjugate of K^(-1)).
! If prec%iprcparm(smooth_sweeps_) > 1, the value of trans provided
! If prec%iprcparm(mld_smoother_sweeps_) > 1, the value of trans provided
! in input is ignored.
! work - complex(psb_spk_), dimension (:), target.
! Workspace. Its size must be at least 4*psb_cd_get_local_cols(desc_data).

2
mlprec/mld_dbaseprec_bld.f90
Unescape Escape View File

@ -173,7 +173,7 @@ subroutine mld_dbaseprc_bld(a,desc_a,p,info,upd)
! Set parameters for using SuperLU_dist on the local submatrices
if (p%iprcparm(mld_sub_solve_)==mld_sludist_) then
p%iprcparm(mld_sub_ovr_) = 0
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
if (debug_level >= psb_debug_outer_) &

8
mlprec/mld_dfact_bld.f90
Unescape Escape View File

@ -193,7 +193,7 @@ subroutine mld_dfact_bld(a,p,upd,info,blck)
! Clip into p%av(ap_nd_) the off block-diagonal part of the local
! matrix. The clipped matrix is then stored in CSR format.
!
if (p%iprcparm(mld_smooth_sweeps_) > 1) then
if (p%iprcparm(mld_smoother_sweeps_) > 1) then
call psb_sp_clip(atmp,p%av(mld_ap_nd_),info,&
& jmin=atmp%m+1,rscale=.false.,cscale=.false.)
if (info == 0) call psb_spcnv(p%av(mld_ap_nd_),info,&
@ -212,7 +212,7 @@ subroutine mld_dfact_bld(a,p,upd,info,blck)
! multiple Jacobi sweeps. This is certain to happen when running
! on a single processor.
!
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
end if
if (debug_level >= psb_debug_outer_) &
@ -302,7 +302,7 @@ subroutine mld_dfact_bld(a,p,upd,info,blck)
! clipped matrix is then stored in CSR format.
!
if (p%iprcparm(mld_smooth_sweeps_) > 1) then
if (p%iprcparm(mld_smoother_sweeps_) > 1) then
n_row = psb_cd_get_local_rows(p%desc_data)
n_col = psb_cd_get_local_cols(p%desc_data)
nrow_a = a%m
@ -329,7 +329,7 @@ subroutine mld_dfact_bld(a,p,upd,info,blck)
! multiple Jacobi sweeps. This is certain to happen when running
! on a single processor.
!
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
call psb_sp_free(atmp,info)
if (info/=0) then

2
mlprec/mld_dmlprec_bld.f90
Unescape Escape View File

@ -110,7 +110,7 @@ subroutine mld_dmlprec_bld(a,desc_a,p,info)
end select
call mld_check_def(p%rprcparm(mld_aggr_damp_),'Omega',dzero,is_legal_omega)
call mld_check_def(p%rprcparm(mld_aggr_thresh_),'Aggr_Thresh',dzero,is_legal_aggr_thrs)
call mld_check_def(p%iprcparm(mld_smooth_sweeps_),'Jacobi sweeps',&
call mld_check_def(p%iprcparm(mld_smoother_sweeps_),'Jacobi sweeps',&
& 1,is_legal_jac_sweeps)
!

55
mlprec/mld_dprecbld.f90
Unescape Escape View File

@ -80,6 +80,7 @@ subroutine mld_dprecbld(a,desc_a,p,info)
! Local Variables
Integer :: err,i,k,ictxt, me,np, err_act, iszv
integer :: ipv(mld_ifpsz_), val
integer :: int_err(5)
character :: upd_
integer :: debug_level, debug_unit
@ -137,6 +138,17 @@ subroutine mld_dprecbld(a,desc_a,p,info)
end if
if (iszv >= 1) then
!
! Check on the iprcparm contents: they should be the same
! on all processes.
!
if (me == psb_root_) ipv(:) = p%baseprecv(1)%iprcparm(:)
call psb_bcast(ictxt,ipv)
if (any(ipv(:) /= p%baseprecv(1)%iprcparm(:) )) then
write(debug_unit,*) me,name,&
&': Inconsistent arguments among processes, forcing a default'
p%baseprecv(1)%iprcparm(:) = ipv(:)
end if
!
! Allocate and build the fine level preconditioner
!
@ -162,6 +174,17 @@ subroutine mld_dprecbld(a,desc_a,p,info)
! levels
!
do i=2, iszv
!
! Check on the iprcparm contents: they should be the same
! on all processes.
!
if (me == psb_root_) ipv(:) = p%baseprecv(i)%iprcparm(:)
call psb_bcast(ictxt,ipv)
if (any(ipv(:) /= p%baseprecv(i)%iprcparm(:) )) then
write(debug_unit,*) me,name,&
&': Inconsistent arguments among processes, resetting.'
p%baseprecv(i)%iprcparm(:) = ipv(:)
end if
!
! Allocate the av component of the preconditioner data type
@ -173,6 +196,38 @@ subroutine mld_dprecbld(a,desc_a,p,info)
!
call mld_check_def(p%baseprecv(i)%iprcparm(mld_coarse_mat_),'Coarse matrix',&
& mld_distr_mat_,is_distr_ml_coarse_mat)
else if (i == iszv) then
!
! At the coarsest level, check mld_coarse_solve_
!
val = p%baseprecv(i)%iprcparm(mld_coarse_solve_)
select case (val)
case(mld_umf_, mld_slu_)
if ((p%baseprecv(i)%iprcparm(mld_coarse_mat_) /= mld_repl_mat_).or.&
& (p%baseprecv(i)%iprcparm(mld_sub_solve_) /= val)) then
if (me == 0) write(debug_unit,*)&
& 'Warning: inconsistent coarse level specification.'
if (me == 0) write(debug_unit,*)&
& ' Resetting according to the value specified for mld_coarse_solve_.'
p%baseprecv(i)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
p%baseprecv(i)%iprcparm(mld_sub_solve_) = val
p%baseprecv(i)%iprcparm(mld_smoother_type_) = mld_bjac_
end if
case(mld_sludist_)
if ((p%baseprecv(i)%iprcparm(mld_coarse_mat_) /= mld_distr_mat_).or.&
& (p%baseprecv(i)%iprcparm(mld_sub_solve_) /= val)) then
if (me == 0) write(debug_unit,*)&
& 'Warning: inconsistent coarse level specification.'
if (me == 0) write(debug_unit,*)&
& ' Resetting according to the value specified for mld_coarse_solve_.'
p%baseprecv(i)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
p%baseprecv(i)%iprcparm(mld_sub_solve_) = val
p%baseprecv(i)%iprcparm(mld_smoother_type_) = mld_bjac_
p%baseprecv(i)%iprcparm(mld_smoother_sweeps_) = 1
end if
end select
end if
call init_baseprc_av(p%baseprecv(i),info)

14
mlprec/mld_dprecinit.f90
Unescape Escape View File

@ -124,7 +124,7 @@ subroutine mld_dprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_prol_) = psb_none_
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('DIAG')
nlev_ = 1
@ -140,7 +140,7 @@ subroutine mld_dprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_prol_) = psb_none_
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('BJAC')
nlev_ = 1
@ -157,7 +157,7 @@ subroutine mld_dprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('AS')
nlev_ = 1
@ -174,7 +174,7 @@ subroutine mld_dprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 1
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('ML')
@ -198,7 +198,7 @@ subroutine mld_dprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
if (nlev_ == 1) return
do ilev_ = 2, nlev_ -1
@ -220,7 +220,7 @@ subroutine mld_dprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_aggr_eig_) = mld_max_norm_
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = mld_ilu_n_
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
p%baseprecv(ilev_)%rprcparm(mld_aggr_damp_) = 4.d0/3.d0
end do
ilev_ = nlev_
@ -242,7 +242,7 @@ subroutine mld_dprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_aggr_eig_) = mld_max_norm_
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = mld_ilu_n_
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 4
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 4
p%baseprecv(ilev_)%rprcparm(mld_aggr_damp_) = 4.d0/3.d0
case default

184
mlprec/mld_dprecset.f90
Unescape Escape View File

@ -109,7 +109,8 @@ subroutine mld_dprecseti(p,what,val,info,ilev)
endif
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
info = 3111
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
return
endif
@ -124,7 +125,7 @@ subroutine mld_dprecseti(p,what,val,info,ilev)
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,mld_smooth_sweeps_)
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,mld_smoother_sweeps_)
p%baseprecv(ilev_)%iprcparm(what) = val
case default
write(0,*) name,': Error: invalid WHAT'
@ -135,7 +136,7 @@ subroutine mld_dprecseti(p,what,val,info,ilev)
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,&
& mld_smooth_sweeps_,mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_sweeps_,mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_,mld_aggr_eig_)
p%baseprecv(ilev_)%iprcparm(what) = val
case(mld_coarse_mat_)
@ -145,20 +146,38 @@ subroutine mld_dprecseti(p,what,val,info,ilev)
return
end if
p%baseprecv(ilev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
case(mld_coarse_subsolve_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = val
case(mld_coarse_solve_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
if (nlev_ > 1) then
p%baseprecv(nlev_)%iprcparm(mld_coarse_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_smoother_type_) = mld_bjac_
select case (val)
case(mld_umf_, mld_slu_)
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
case default
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
end select
endif
case(mld_coarse_sweeps_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = val
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = val
case(mld_coarse_fillin_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
@ -178,14 +197,14 @@ subroutine mld_dprecseti(p,what,val,info,ilev)
! ilev not specified: set preconditioner parameters at all the appropriate
! levels
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,&
& mld_smooth_sweeps_)
& mld_smoother_sweeps_)
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -195,7 +214,8 @@ subroutine mld_dprecseti(p,what,val,info,ilev)
& mld_smoother_pos_,mld_aggr_eig_)
do ilev_=2,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -203,28 +223,52 @@ subroutine mld_dprecseti(p,what,val,info,ilev)
end do
case(mld_coarse_mat_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
& ': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) then
p%baseprecv(nlev_)%iprcparm(mld_coarse_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_smoother_type_) = mld_bjac_
select case (val)
case(mld_umf_, mld_slu_)
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
case default
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
end select
endif
case(mld_coarse_subsolve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
end if
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
case(mld_coarse_sweeps_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_smooth_sweeps_) = val
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_smoother_sweeps_) = val
case(mld_coarse_fillin_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -287,7 +331,7 @@ subroutine mld_dprecsetc(p,what,string,info,ilev)
! Local variables
integer :: ilev_, nlev_,val
character(len=*), parameter :: name='mld_precseti'
character(len=*), parameter :: name='mld_precsetc'
info = 0
@ -314,117 +358,9 @@ subroutine mld_dprecsetc(p,what,string,info,ilev)
return
endif
!
! Set preconditioner parameters at level ilev.
!
if (present(ilev)) then
if (ilev_ == 1) then
!
! Rules for fine level are slightly different.
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_)
call mld_stringval(string,val,info)
p%baseprecv(ilev_)%iprcparm(what) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
else if (ilev_ > 1) then
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_,mld_aggr_eig_)
call mld_stringval(string,val,info)
p%baseprecv(ilev_)%iprcparm(what) = val
case(mld_coarse_mat_)
call mld_stringval(string,val,info)
if (ilev_ /= nlev_ .and. val /= mld_distr_mat_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
call mld_stringval(string,val,info)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
endif
else if (.not.present(ilev)) then
!
! ilev not specified: set preconditioner parameters at all the appropriate
! levels
!
select case(what)
case(mld_smoother_type_)
call mld_stringval(string,val,info)
if ((nlev_ > 1).and.(val==mld_noprec_)) then
write(0,*) name,': Error: invalid WHAT'
info = -2
endif
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_sub_solve_,mld_sub_restr_,mld_sub_prol_)
call mld_stringval(string,val,info)
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_)
call mld_stringval(string,val,info)
do ilev_=2,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_coarse_mat_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
call mld_stringval(string,val,info)
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
call mld_stringval(string,val,info)
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
endif
if (info == 0) call mld_precset(p,what,val,info,ilev=ilev)
end subroutine mld_dprecsetc

16
mlprec/mld_dsub_aply.f90
Unescape Escape View File

@ -93,8 +93,8 @@
! or a block-Jacobi or LU or ILU solver at the coarsest level of a multilevel
! preconditioner.
!
! Tasks 1, 3 and 4 may be selected when prec%iprcparm(smooth_sweeps_) = 1,
! while task 2 is selected when prec%iprcparm(smooth_sweeps_) > 1. Furthermore
! Tasks 1, 3 and 4 may be selected when prec%iprcparm(mld_smoother_sweeps_) = 1,
! while task 2 is selected when prec%iprcparm(mld_smoother_sweeps_) > 1. Furthermore
! Tasks 1, 2 and 3 may be performed when the matrix A is
! distributed among the processes (prec%iprcparm(mld_coarse_mat_) = mld_distr_mat_),
! while task 4 may be performed when A is replicated on the processes
@ -125,7 +125,7 @@
! trans - character(len=1), input.
! If trans='N','n' then op(K^(-1)) = K^(-1);
! if trans='T','t' then op(K^(-1)) = K^(-T) (transpose of K^(-1)).
! If prec%iprcparm(smooth_sweeps_) > 1, the value of trans provided
! If prec%iprcparm(mld_smoother_sweeps_) > 1, the value of trans provided
! in input is ignored.
! work - real(psb_dpk_), dimension (:), target.
! Workspace. Its size must be at least 4*psb_cd_get_local_cols(desc_data).
@ -199,7 +199,7 @@ subroutine mld_dsub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
end if
endif
if (prec%iprcparm(mld_smooth_sweeps_) == 1) then
if (prec%iprcparm(mld_smoother_sweeps_) == 1) then
call mld_sub_solve(alpha,prec,x,beta,y,desc_data,trans_,aux,info)
@ -208,10 +208,10 @@ subroutine mld_dsub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
goto 9999
endif
else if (prec%iprcparm(mld_smooth_sweeps_) > 1) then
else if (prec%iprcparm(mld_smoother_sweeps_) > 1) then
!
!
! Apply prec%iprcparm(smooth_sweeps_) sweeps of a block-Jacobi solver
! Apply prec%iprcparm(mld_smoother_sweeps_) sweeps of a block-Jacobi solver
! to compute an approximate solution of a linear system.
!
!
@ -231,7 +231,7 @@ subroutine mld_dsub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
tx = dzero
ty = dzero
do i=1, prec%iprcparm(mld_smooth_sweeps_)
do i=1, prec%iprcparm(mld_smoother_sweeps_)
!
! Compute Y(j+1) = D^(-1)*(X-ND*Y(j)), where D and ND are the
! block diagonal part and the remaining part of the local matrix
@ -267,7 +267,7 @@ subroutine mld_dsub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
info = 10
call psb_errpush(info,name,&
& i_err=(/2,prec%iprcparm(mld_smooth_sweeps_),0,0,0/))
& i_err=(/2,prec%iprcparm(mld_smoother_sweeps_),0,0,0/))
goto 9999
endif

2
mlprec/mld_dsub_solve.f90
Unescape Escape View File

@ -103,7 +103,7 @@
! trans - character(len=1), input.
! If trans='N','n' then op(K^(-1)) = K^(-1);
! if trans='T','t' then op(K^(-1)) = K^(-T) (transpose of K^(-1)).
! If prec%iprcparm(smooth_sweeps_) > 1, the value of trans provided
! If prec%iprcparm(mld_smoother_sweeps_) > 1, the value of trans provided
! in input is ignored.
! work - real(psb_dpk_), dimension (:), target.
! Workspace. Its size must be at least 4*psb_cd_get_local_cols(desc_data).

11
mlprec/mld_prec_type.f90
Unescape Escape View File

@ -243,7 +243,7 @@ module mld_prec_type
integer, parameter :: mld_sub_ren_ = 5
integer, parameter :: mld_sub_ovr_ = 6
integer, parameter :: mld_sub_fillin_ = 8
integer, parameter :: mld_smooth_sweeps_ = 9
integer, parameter :: mld_smoother_sweeps_ = 9
integer, parameter :: mld_ml_type_ = 10
integer, parameter :: mld_smoother_pos_ = 11
integer, parameter :: mld_aggr_kind_ = 12
@ -259,6 +259,7 @@ module mld_prec_type
integer, parameter :: mld_coarse_solve_ = 25
integer, parameter :: mld_coarse_sweeps_ = 26
integer, parameter :: mld_coarse_fillin_ = 27
integer, parameter :: mld_coarse_subsolve_ = 28
integer, parameter :: mld_ifpsz_ = 32
!
@ -811,7 +812,7 @@ contains
write(iout_,*) 'Should never get here!'
end select
write(iout_,*) 'Number of Jacobi sweeps: ', &
& (p%baseprecv(ilev)%iprcparm(mld_smooth_sweeps_))
& (p%baseprecv(ilev)%iprcparm(mld_smoother_sweeps_))
end if
end do
end if
@ -924,7 +925,7 @@ contains
write(iout_,*) 'Should never get here!'
end select
write(iout_,*) 'Number of Jacobi sweeps: ', &
& (p%baseprecv(ilev)%iprcparm(mld_smooth_sweeps_))
& (p%baseprecv(ilev)%iprcparm(mld_smoother_sweeps_))
end if
end do
end if
@ -1057,7 +1058,7 @@ contains
write(iout_,*) 'Should never get here!'
end select
write(iout_,*) 'Number of Jacobi sweeps: ', &
& (p%baseprecv(ilev)%iprcparm(mld_smooth_sweeps_))
& (p%baseprecv(ilev)%iprcparm(mld_smoother_sweeps_))
end if
end do
end if
@ -1169,7 +1170,7 @@ contains
write(iout_,*) 'Should never get here!'
end select
write(iout_,*) 'Number of Jacobi sweeps: ', &
& (p%baseprecv(ilev)%iprcparm(mld_smooth_sweeps_))
& (p%baseprecv(ilev)%iprcparm(mld_smoother_sweeps_))
end if
end do
end if

2
mlprec/mld_sbaseprec_bld.f90
Unescape Escape View File

@ -173,7 +173,7 @@ subroutine mld_sbaseprc_bld(a,desc_a,p,info,upd)
! Set parameters for using SuperLU_dist on the local submatrices
if (p%iprcparm(mld_sub_solve_)==mld_sludist_) then
p%iprcparm(mld_sub_ovr_) = 0
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
if (debug_level >= psb_debug_outer_) &

8
mlprec/mld_sfact_bld.f90
Unescape Escape View File

@ -193,7 +193,7 @@ subroutine mld_sfact_bld(a,p,upd,info,blck)
! Clip into p%av(ap_nd_) the off block-diagonal part of the local
! matrix. The clipped matrix is then stored in CSR format.
!
if (p%iprcparm(mld_smooth_sweeps_) > 1) then
if (p%iprcparm(mld_smoother_sweeps_) > 1) then
call psb_sp_clip(atmp,p%av(mld_ap_nd_),info,&
& jmin=atmp%m+1,rscale=.false.,cscale=.false.)
if (info == 0) call psb_spcnv(p%av(mld_ap_nd_),info,&
@ -212,7 +212,7 @@ subroutine mld_sfact_bld(a,p,upd,info,blck)
! multiple Jacobi sweeps. This is certain to happen when running
! on a single processor.
!
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
end if
if (debug_level >= psb_debug_outer_) &
@ -302,7 +302,7 @@ subroutine mld_sfact_bld(a,p,upd,info,blck)
! clipped matrix is then stored in CSR format.
!
if (p%iprcparm(mld_smooth_sweeps_) > 1) then
if (p%iprcparm(mld_smoother_sweeps_) > 1) then
n_row = psb_cd_get_local_rows(p%desc_data)
n_col = psb_cd_get_local_cols(p%desc_data)
nrow_a = a%m
@ -329,7 +329,7 @@ subroutine mld_sfact_bld(a,p,upd,info,blck)
! multiple Jacobi sweeps. This is certain to happen when running
! on a single processor.
!
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
call psb_sp_free(atmp,info)
if (info/=0) then

2
mlprec/mld_smlprec_bld.f90
Unescape Escape View File

@ -110,7 +110,7 @@ subroutine mld_smlprec_bld(a,desc_a,p,info)
end select
call mld_check_def(p%rprcparm(mld_aggr_damp_),'Omega',szero,is_legal_s_omega)
call mld_check_def(p%rprcparm(mld_aggr_thresh_),'Aggr_Thresh',szero,is_legal_s_aggr_thrs)
call mld_check_def(p%iprcparm(mld_smooth_sweeps_),'Jacobi sweeps',&
call mld_check_def(p%iprcparm(mld_smoother_sweeps_),'Jacobi sweeps',&
& 1,is_legal_jac_sweeps)
!

55
mlprec/mld_sprecbld.f90
Unescape Escape View File

@ -80,6 +80,7 @@ subroutine mld_sprecbld(a,desc_a,p,info)
! Local Variables
Integer :: err,i,k,ictxt, me,np, err_act, iszv
integer :: ipv(mld_ifpsz_), val
integer :: int_err(5)
character :: upd_
integer :: debug_level, debug_unit
@ -137,6 +138,17 @@ subroutine mld_sprecbld(a,desc_a,p,info)
end if
if (iszv >= 1) then
!
! Check on the iprcparm contents: they should be the same
! on all processes.
!
if (me == psb_root_) ipv(:) = p%baseprecv(1)%iprcparm(:)
call psb_bcast(ictxt,ipv)
if (any(ipv(:) /= p%baseprecv(1)%iprcparm(:) )) then
write(debug_unit,*) me,name,&
&': Inconsistent arguments among processes, forcing a default'
p%baseprecv(1)%iprcparm(:) = ipv(:)
end if
!
! Allocate and build the fine level preconditioner
!
@ -162,6 +174,17 @@ subroutine mld_sprecbld(a,desc_a,p,info)
! levels
!
do i=2, iszv
!
! Check on the iprcparm contents: they should be the same
! on all processes.
!
if (me == psb_root_) ipv(:) = p%baseprecv(i)%iprcparm(:)
call psb_bcast(ictxt,ipv)
if (any(ipv(:) /= p%baseprecv(i)%iprcparm(:) )) then
write(debug_unit,*) me,name,&
&': Inconsistent arguments among processes, resetting.'
p%baseprecv(i)%iprcparm(:) = ipv(:)
end if
!
! Allocate the av component of the preconditioner data type
@ -173,6 +196,38 @@ subroutine mld_sprecbld(a,desc_a,p,info)
!
call mld_check_def(p%baseprecv(i)%iprcparm(mld_coarse_mat_),'Coarse matrix',&
& mld_distr_mat_,is_distr_ml_coarse_mat)
else if (i == iszv) then
!
! At the coarsest level, check mld_coarse_solve_
!
val = p%baseprecv(i)%iprcparm(mld_coarse_solve_)
select case (val)
case(mld_umf_, mld_slu_)
if ((p%baseprecv(i)%iprcparm(mld_coarse_mat_) /= mld_repl_mat_).or.&
& (p%baseprecv(i)%iprcparm(mld_sub_solve_) /= val)) then
if (me == 0) write(debug_unit,*)&
& 'Warning: inconsistent coarse level specification.'
if (me == 0) write(debug_unit,*)&
& ' Resetting according to the value specified for mld_coarse_solve_.'
p%baseprecv(i)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
p%baseprecv(i)%iprcparm(mld_sub_solve_) = val
p%baseprecv(i)%iprcparm(mld_smoother_type_) = mld_bjac_
end if
case(mld_sludist_)
if ((p%baseprecv(i)%iprcparm(mld_coarse_mat_) /= mld_distr_mat_).or.&
& (p%baseprecv(i)%iprcparm(mld_sub_solve_) /= val)) then
if (me == 0) write(debug_unit,*)&
& 'Warning: inconsistent coarse level specification.'
if (me == 0) write(debug_unit,*)&
& ' Resetting according to the value specified for mld_coarse_solve_.'
p%baseprecv(i)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
p%baseprecv(i)%iprcparm(mld_sub_solve_) = val
p%baseprecv(i)%iprcparm(mld_smoother_type_) = mld_bjac_
p%baseprecv(i)%iprcparm(mld_smoother_sweeps_) = 1
end if
end select
end if
call init_baseprc_av(p%baseprecv(i),info)

14
mlprec/mld_sprecinit.f90
Unescape Escape View File

@ -124,7 +124,7 @@ subroutine mld_sprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_prol_) = psb_none_
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('DIAG')
nlev_ = 1
@ -140,7 +140,7 @@ subroutine mld_sprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_prol_) = psb_none_
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('BJAC')
nlev_ = 1
@ -157,7 +157,7 @@ subroutine mld_sprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('AS')
nlev_ = 1
@ -174,7 +174,7 @@ subroutine mld_sprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 1
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('ML')
@ -198,7 +198,7 @@ subroutine mld_sprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
if (nlev_ == 1) return
do ilev_ = 2, nlev_ -1
@ -220,7 +220,7 @@ subroutine mld_sprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_aggr_eig_) = mld_max_norm_
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = mld_ilu_n_
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
p%baseprecv(ilev_)%rprcparm(mld_aggr_damp_) = 4.e0/3.e0
end do
ilev_ = nlev_
@ -242,7 +242,7 @@ subroutine mld_sprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_aggr_eig_) = mld_max_norm_
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = mld_ilu_n_
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 4
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 4
p%baseprecv(ilev_)%rprcparm(mld_aggr_damp_) = 4.e0/3.e0
case default

182
mlprec/mld_sprecset.f90
Unescape Escape View File

@ -109,7 +109,8 @@ subroutine mld_sprecseti(p,what,val,info,ilev)
endif
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
info = 3111
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
return
endif
@ -124,7 +125,7 @@ subroutine mld_sprecseti(p,what,val,info,ilev)
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,mld_smooth_sweeps_)
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,mld_smoother_sweeps_)
p%baseprecv(ilev_)%iprcparm(what) = val
case default
write(0,*) name,': Error: invalid WHAT'
@ -135,7 +136,7 @@ subroutine mld_sprecseti(p,what,val,info,ilev)
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,&
& mld_smooth_sweeps_,mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_sweeps_,mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_,mld_aggr_eig_)
p%baseprecv(ilev_)%iprcparm(what) = val
case(mld_coarse_mat_)
@ -145,20 +146,38 @@ subroutine mld_sprecseti(p,what,val,info,ilev)
return
end if
p%baseprecv(ilev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
case(mld_coarse_subsolve_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = val
case(mld_coarse_solve_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
if (nlev_ > 1) then
p%baseprecv(nlev_)%iprcparm(mld_coarse_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_smoother_type_) = mld_bjac_
select case (val)
case(mld_umf_, mld_slu_)
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
case default
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
end select
endif
case(mld_coarse_sweeps_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = val
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = val
case(mld_coarse_fillin_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
@ -178,14 +197,14 @@ subroutine mld_sprecseti(p,what,val,info,ilev)
! ilev not specified: set preconditioner parameters at all the appropriate
! levels
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,&
& mld_smooth_sweeps_)
& mld_smoother_sweeps_)
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -195,7 +214,8 @@ subroutine mld_sprecseti(p,what,val,info,ilev)
& mld_smoother_pos_,mld_aggr_eig_)
do ilev_=2,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -203,28 +223,52 @@ subroutine mld_sprecseti(p,what,val,info,ilev)
end do
case(mld_coarse_mat_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
& ': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) then
p%baseprecv(nlev_)%iprcparm(mld_coarse_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_smoother_type_) = mld_bjac_
select case (val)
case(mld_umf_, mld_slu_)
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
case default
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
end select
endif
case(mld_coarse_subsolve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
end if
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
case(mld_coarse_sweeps_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_smooth_sweeps_) = val
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_smoother_sweeps_) = val
case(mld_coarse_fillin_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -314,117 +358,9 @@ subroutine mld_sprecsetc(p,what,string,info,ilev)
return
endif
!
! Set preconditioner parameters at level ilev.
!
if (present(ilev)) then
if (ilev_ == 1) then
!
! Rules for fine level are slightly different.
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_)
call mld_stringval(string,val,info)
p%baseprecv(ilev_)%iprcparm(what) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
else if (ilev_ > 1) then
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_,mld_aggr_eig_)
call mld_stringval(string,val,info)
p%baseprecv(ilev_)%iprcparm(what) = val
case(mld_coarse_mat_)
call mld_stringval(string,val,info)
if (ilev_ /= nlev_ .and. val /= mld_distr_mat_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
call mld_stringval(string,val,info)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
endif
else if (.not.present(ilev)) then
!
! ilev not specified: set preconditioner parameters at all the appropriate
! levels
!
select case(what)
case(mld_smoother_type_)
call mld_stringval(string,val,info)
if ((nlev_ > 1).and.(val==mld_noprec_)) then
write(0,*) name,': Error: invalid WHAT'
info = -2
endif
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_sub_solve_,mld_sub_restr_,mld_sub_prol_)
call mld_stringval(string,val,info)
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_)
call mld_stringval(string,val,info)
do ilev_=2,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_coarse_mat_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
call mld_stringval(string,val,info)
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
call mld_stringval(string,val,info)
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
endif
if (info == 0) call mld_precset(p,what,val,info,ilev=ilev)
end subroutine mld_sprecsetc

16
mlprec/mld_ssub_aply.f90
Unescape Escape View File

@ -93,8 +93,8 @@
! or a block-Jacobi or LU or ILU solver at the coarsest level of a multilevel
! preconditioner.
!
! Tasks 1, 3 and 4 may be selected when prec%iprcparm(smooth_sweeps_) = 1,
! while task 2 is selected when prec%iprcparm(smooth_sweeps_) > 1. Furthermore
! Tasks 1, 3 and 4 may be selected when prec%iprcparm(mld_smoother_sweeps_) = 1,
! while task 2 is selected when prec%iprcparm(mld_smoother_sweeps_) > 1. Furthermore
! Tasks 1, 2 and 3 may be performed when the matrix A is
! distributed among the processes (prec%iprcparm(mld_coarse_mat_) = mld_distr_mat_),
! while task 4 may be performed when A is replicated on the processes
@ -125,7 +125,7 @@
! trans - character(len=1), input.
! If trans='N','n' then op(K^(-1)) = K^(-1);
! if trans='T','t' then op(K^(-1)) = K^(-T) (transpose of K^(-1)).
! If prec%iprcparm(smooth_sweeps_) > 1, the value of trans provided
! If prec%iprcparm(mld_smoother_sweeps_) > 1, the value of trans provided
! in input is ignored.
! work - real(psb_spk_), dimension (:), target.
! Workspace. Its size must be at least 4*psb_cd_get_local_cols(desc_data).
@ -199,7 +199,7 @@ subroutine mld_ssub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
end if
endif
if (prec%iprcparm(mld_smooth_sweeps_) == 1) then
if (prec%iprcparm(mld_smoother_sweeps_) == 1) then
call mld_sub_solve(alpha,prec,x,beta,y,desc_data,trans_,aux,info)
@ -208,10 +208,10 @@ subroutine mld_ssub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
goto 9999
endif
else if (prec%iprcparm(mld_smooth_sweeps_) > 1) then
else if (prec%iprcparm(mld_smoother_sweeps_) > 1) then
!
!
! Apply prec%iprcparm(smooth_sweeps_) sweeps of a block-Jacobi solver
! Apply prec%iprcparm(mld_smoother_sweeps_) sweeps of a block-Jacobi solver
! to compute an approximate solution of a linear system.
!
!
@ -231,7 +231,7 @@ subroutine mld_ssub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
tx = szero
ty = szero
do i=1, prec%iprcparm(mld_smooth_sweeps_)
do i=1, prec%iprcparm(mld_smoother_sweeps_)
!
! Compute Y(j+1) = D^(-1)*(X-ND*Y(j)), where D and ND are the
! block diagonal part and the remaining part of the local matrix
@ -267,7 +267,7 @@ subroutine mld_ssub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
info = 10
call psb_errpush(info,name,&
& i_err=(/2,prec%iprcparm(mld_smooth_sweeps_),0,0,0/))
& i_err=(/2,prec%iprcparm(mld_smoother_sweeps_),0,0,0/))
goto 9999
endif

2
mlprec/mld_ssub_solve.f90
Unescape Escape View File

@ -103,7 +103,7 @@
! trans - character(len=1), input.
! If trans='N','n' then op(K^(-1)) = K^(-1);
! if trans='T','t' then op(K^(-1)) = K^(-T) (transpose of K^(-1)).
! If prec%iprcparm(smooth_sweeps_) > 1, the value of trans provided
! If prec%iprcparm(mld_smoother_sweeps_) > 1, the value of trans provided
! in input is ignored.
! work - real(psb_spk_), dimension (:), target.
! Workspace. Its size must be at least 4*psb_cd_get_local_cols(desc_data).

2
mlprec/mld_zbaseprec_bld.f90
Unescape Escape View File

@ -173,7 +173,7 @@ subroutine mld_zbaseprc_bld(a,desc_a,p,info,upd)
! Set parameters for using SuperLU_dist on the local submatrices
if (p%iprcparm(mld_sub_solve_)==mld_sludist_) then
p%iprcparm(mld_sub_ovr_) = 0
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
if (debug_level >= psb_debug_outer_) &

8
mlprec/mld_zfact_bld.f90
Unescape Escape View File

@ -194,7 +194,7 @@ subroutine mld_zfact_bld(a,p,upd,info,blck)
! Clip into p%av(ap_nd_) the off block-diagonal part of the local
! matrix. The clipped matrix is then stored in CSR format.
!
if (p%iprcparm(mld_smooth_sweeps_) > 1) then
if (p%iprcparm(mld_smoother_sweeps_) > 1) then
call psb_sp_clip(atmp,p%av(mld_ap_nd_),info,&
& jmin=atmp%m+1,rscale=.false.,cscale=.false.)
if (info == 0) call psb_spcnv(p%av(mld_ap_nd_),info,&
@ -213,7 +213,7 @@ subroutine mld_zfact_bld(a,p,upd,info,blck)
! multiple Jacobi sweeps. This is certain to happen when running
! on a single processor.
!
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
end if
if (debug_level >= psb_debug_outer_) &
@ -303,7 +303,7 @@ subroutine mld_zfact_bld(a,p,upd,info,blck)
! clipped matrix is then stored in CSR format.
!
if (p%iprcparm(mld_smooth_sweeps_) > 1) then
if (p%iprcparm(mld_smoother_sweeps_) > 1) then
n_row = psb_cd_get_local_rows(p%desc_data)
n_col = psb_cd_get_local_cols(p%desc_data)
nrow_a = a%m
@ -330,7 +330,7 @@ subroutine mld_zfact_bld(a,p,upd,info,blck)
! multiple Jacobi sweeps. This is certain to happen when running
! on a single processor.
!
p%iprcparm(mld_smooth_sweeps_) = 1
p%iprcparm(mld_smoother_sweeps_) = 1
end if
call psb_sp_free(atmp,info)
if (info/=0) then

2
mlprec/mld_zmlprec_bld.f90
Unescape Escape View File

@ -110,7 +110,7 @@ subroutine mld_zmlprec_bld(a,desc_a,p,info)
end select
call mld_check_def(p%rprcparm(mld_aggr_damp_),'Omega',dzero,is_legal_omega)
call mld_check_def(p%rprcparm(mld_aggr_thresh_),'Aggr_Thresh',dzero,is_legal_aggr_thrs)
call mld_check_def(p%iprcparm(mld_smooth_sweeps_),'Jacobi sweeps',&
call mld_check_def(p%iprcparm(mld_smoother_sweeps_),'Jacobi sweeps',&
& 1,is_legal_jac_sweeps)
!

55
mlprec/mld_zprecbld.f90
Unescape Escape View File

@ -80,6 +80,7 @@ subroutine mld_zprecbld(a,desc_a,p,info)
! Local Variables
Integer :: err,i,k,ictxt, me,np, err_act, iszv
integer :: ipv(mld_ifpsz_), val
integer :: int_err(5)
character :: upd_
integer :: debug_level, debug_unit
@ -137,6 +138,17 @@ subroutine mld_zprecbld(a,desc_a,p,info)
end if
if (iszv >= 1) then
!
! Check on the iprcparm contents: they should be the same
! on all processes.
!
if (me == psb_root_) ipv(:) = p%baseprecv(1)%iprcparm(:)
call psb_bcast(ictxt,ipv)
if (any(ipv(:) /= p%baseprecv(1)%iprcparm(:) )) then
write(debug_unit,*) me,name,&
&': Inconsistent arguments among processes, forcing a default'
p%baseprecv(1)%iprcparm(:) = ipv(:)
end if
!
! Allocate and build the fine level preconditioner
!
@ -162,6 +174,17 @@ subroutine mld_zprecbld(a,desc_a,p,info)
! levels
!
do i=2, iszv
!
! Check on the iprcparm contents: they should be the same
! on all processes.
!
if (me == psb_root_) ipv(:) = p%baseprecv(i)%iprcparm(:)
call psb_bcast(ictxt,ipv)
if (any(ipv(:) /= p%baseprecv(i)%iprcparm(:) )) then
write(debug_unit,*) me,name,&
&': Inconsistent arguments among processes, resetting.'
p%baseprecv(i)%iprcparm(:) = ipv(:)
end if
!
! Allocate the av component of the preconditioner data type
@ -173,6 +196,38 @@ subroutine mld_zprecbld(a,desc_a,p,info)
!
call mld_check_def(p%baseprecv(i)%iprcparm(mld_coarse_mat_),'Coarse matrix',&
& mld_distr_mat_,is_distr_ml_coarse_mat)
else if (i == iszv) then
!
! At the coarsest level, check mld_coarse_solve_
!
val = p%baseprecv(i)%iprcparm(mld_coarse_solve_)
select case (val)
case(mld_umf_, mld_slu_)
if ((p%baseprecv(i)%iprcparm(mld_coarse_mat_) /= mld_repl_mat_).or.&
& (p%baseprecv(i)%iprcparm(mld_sub_solve_) /= val)) then
if (me == 0) write(debug_unit,*)&
& 'Warning: inconsistent coarse level specification.'
if (me == 0) write(debug_unit,*)&
& ' Resetting according to the value specified for mld_coarse_solve_.'
p%baseprecv(i)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
p%baseprecv(i)%iprcparm(mld_sub_solve_) = val
p%baseprecv(i)%iprcparm(mld_smoother_type_) = mld_bjac_
end if
case(mld_sludist_)
if ((p%baseprecv(i)%iprcparm(mld_coarse_mat_) /= mld_distr_mat_).or.&
& (p%baseprecv(i)%iprcparm(mld_sub_solve_) /= val)) then
if (me == 0) write(debug_unit,*)&
& 'Warning: inconsistent coarse level specification.'
if (me == 0) write(debug_unit,*)&
& ' Resetting according to the value specified for mld_coarse_solve_.'
p%baseprecv(i)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
p%baseprecv(i)%iprcparm(mld_sub_solve_) = val
p%baseprecv(i)%iprcparm(mld_smoother_type_) = mld_bjac_
p%baseprecv(i)%iprcparm(mld_smoother_sweeps_) = 1
end if
end select
end if
call init_baseprc_av(p%baseprecv(i),info)

14
mlprec/mld_zprecinit.f90
Unescape Escape View File

@ -124,7 +124,7 @@ subroutine mld_zprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_prol_) = psb_none_
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('DIAG')
nlev_ = 1
@ -140,7 +140,7 @@ subroutine mld_zprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_prol_) = psb_none_
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('BJAC')
nlev_ = 1
@ -157,7 +157,7 @@ subroutine mld_zprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('AS')
nlev_ = 1
@ -174,7 +174,7 @@ subroutine mld_zprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 1
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
case ('ML')
@ -198,7 +198,7 @@ subroutine mld_zprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_sub_ren_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_ovr_) = 0
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
if (nlev_ == 1) return
do ilev_ = 2, nlev_ -1
@ -220,7 +220,7 @@ subroutine mld_zprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_aggr_eig_) = mld_max_norm_
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = mld_ilu_n_
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 1
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 1
p%baseprecv(ilev_)%rprcparm(mld_aggr_damp_) = 4.d0/3.d0
end do
ilev_ = nlev_
@ -242,7 +242,7 @@ subroutine mld_zprecinit(p,ptype,info,nlev)
p%baseprecv(ilev_)%iprcparm(mld_aggr_eig_) = mld_max_norm_
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = mld_ilu_n_
p%baseprecv(ilev_)%iprcparm(mld_sub_fillin_) = 0
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = 4
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = 4
p%baseprecv(ilev_)%rprcparm(mld_aggr_damp_) = 4.d0/3.d0
case default

181
mlprec/mld_zprecset.f90
Unescape Escape View File

@ -109,7 +109,8 @@ subroutine mld_zprecseti(p,what,val,info,ilev)
endif
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
info = 3111
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
return
endif
@ -124,7 +125,7 @@ subroutine mld_zprecseti(p,what,val,info,ilev)
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,mld_smooth_sweeps_)
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,mld_smoother_sweeps_)
p%baseprecv(ilev_)%iprcparm(what) = val
case default
write(0,*) name,': Error: invalid WHAT'
@ -135,7 +136,7 @@ subroutine mld_zprecseti(p,what,val,info,ilev)
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,&
& mld_smooth_sweeps_,mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_sweeps_,mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_,mld_aggr_eig_)
p%baseprecv(ilev_)%iprcparm(what) = val
case(mld_coarse_mat_)
@ -145,20 +146,38 @@ subroutine mld_zprecseti(p,what,val,info,ilev)
return
end if
p%baseprecv(ilev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
case(mld_coarse_subsolve_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = val
case(mld_coarse_solve_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
if (nlev_ > 1) then
p%baseprecv(nlev_)%iprcparm(mld_coarse_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_smoother_type_) = mld_bjac_
select case (val)
case(mld_umf_, mld_slu_)
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
case default
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
end select
endif
case(mld_coarse_sweeps_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_smooth_sweeps_) = val
p%baseprecv(ilev_)%iprcparm(mld_smoother_sweeps_) = val
case(mld_coarse_fillin_)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
@ -178,14 +197,14 @@ subroutine mld_zprecseti(p,what,val,info,ilev)
! ilev not specified: set preconditioner parameters at all the appropriate
! levels
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_sub_ren_,mld_sub_ovr_,mld_sub_fillin_,&
& mld_smooth_sweeps_)
& mld_smoother_sweeps_)
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -195,7 +214,8 @@ subroutine mld_zprecseti(p,what,val,info,ilev)
& mld_smoother_pos_,mld_aggr_eig_)
do ilev_=2,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -203,28 +223,52 @@ subroutine mld_zprecseti(p,what,val,info,ilev)
end do
case(mld_coarse_mat_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
& ': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) then
p%baseprecv(nlev_)%iprcparm(mld_coarse_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
p%baseprecv(nlev_)%iprcparm(mld_smoother_type_) = mld_bjac_
select case (val)
case(mld_umf_, mld_slu_)
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_repl_mat_
case default
p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = mld_distr_mat_
end select
endif
case(mld_coarse_subsolve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
end if
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
case(mld_coarse_sweeps_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_smooth_sweeps_) = val
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_smoother_sweeps_) = val
case(mld_coarse_fillin_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
write(0,*) name,&
&': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
@ -314,117 +358,10 @@ subroutine mld_zprecsetc(p,what,string,info,ilev)
return
endif
!
! Set preconditioner parameters at level ilev.
!
if (present(ilev)) then
if (ilev_ == 1) then
!
! Rules for fine level are slightly different.
!
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_)
call mld_stringval(string,val,info)
p%baseprecv(ilev_)%iprcparm(what) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
else if (ilev_ > 1) then
select case(what)
case(mld_smoother_type_,mld_sub_solve_,mld_sub_restr_,mld_sub_prol_,&
& mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_,mld_aggr_eig_)
call mld_stringval(string,val,info)
p%baseprecv(ilev_)%iprcparm(what) = val
case(mld_coarse_mat_)
call mld_stringval(string,val,info)
if (ilev_ /= nlev_ .and. val /= mld_distr_mat_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
call mld_stringval(string,val,info)
if (ilev_ /= nlev_) then
write(0,*) name,': Error: Inconsistent specification of WHAT vs. ILEV'
info = -2
return
end if
p%baseprecv(ilev_)%iprcparm(mld_sub_solve_) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
endif
else if (.not.present(ilev)) then
!
! ilev not specified: set preconditioner parameters at all the appropriate
! levels
!
select case(what)
case(mld_smoother_type_)
call mld_stringval(string,val,info)
if ((nlev_ > 1).and.(val==mld_noprec_)) then
write(0,*) name,': Error: invalid WHAT'
info = -2
endif
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_sub_solve_,mld_sub_restr_,mld_sub_prol_)
call mld_stringval(string,val,info)
do ilev_=1,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_ml_type_,mld_aggr_alg_,mld_aggr_kind_,&
& mld_smoother_pos_)
call mld_stringval(string,val,info)
do ilev_=2,nlev_-1
if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
p%baseprecv(ilev_)%iprcparm(what) = val
end do
case(mld_coarse_mat_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
call mld_stringval(string,val,info)
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_coarse_mat_) = val
case(mld_coarse_solve_)
if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
write(0,*) name,': Error: Uninitialized preconditioner component, should call MLD_PRECINIT'
info = -1
return
endif
call mld_stringval(string,val,info)
if (nlev_ > 1) p%baseprecv(nlev_)%iprcparm(mld_sub_solve_) = val
case default
write(0,*) name,': Error: invalid WHAT'
info = -2
end select
if (info == 0) call mld_precset(p,what,val,info,ilev=ilev)
endif
end subroutine mld_zprecsetc

16
mlprec/mld_zsub_aply.f90
Unescape Escape View File

@ -93,8 +93,8 @@
! or a block-Jacobi or LU or ILU solver at the coarsest level of a multilevel
! preconditioner.
!
! Tasks 1, 3 and 4 may be selected when prec%iprcparm(smooth_sweeps_) = 1,
! while task 2 is selected when prec%iprcparm(smooth_sweeps_) > 1. Furthermore
! Tasks 1, 3 and 4 may be selected when prec%iprcparm(mld_smoother_sweeps_) = 1,
! while task 2 is selected when prec%iprcparm(mld_smoother_sweeps_) > 1. Furthermore
! Tasks 1, 2 and 3 may be performed when the matrix A is
! distributed among the processes (prec%iprcparm(mld_coarse_mat_) = mld_distr_mat_),
! while task 4 may be performed when A is replicated on the processes
@ -126,7 +126,7 @@
! If trans='N','n' then op(K^(-1)) = K^(-1);
! if trans='T','t' then op(K^(-1)) = K^(-T) (transpose of K^(-1)).
! if trans='C','c' then op(K^(-1)) = K^(-C) (transpose conjugate of K^(-1)).
! If prec%iprcparm(smooth_sweeps_) > 1, the value of trans provided
! If prec%iprcparm(mld_smoother_sweeps_) > 1, the value of trans provided
! in input is ignored.
! work - complex(psb_dpk_), dimension (:), target.
! Workspace. Its size must be at least 4*psb_cd_get_local_cols(desc_data).
@ -200,7 +200,7 @@ subroutine mld_zsub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
end if
endif
if (prec%iprcparm(mld_smooth_sweeps_) == 1) then
if (prec%iprcparm(mld_smoother_sweeps_) == 1) then
call mld_sub_solve(alpha,prec,x,beta,y,desc_data,trans_,aux,info)
@ -209,10 +209,10 @@ subroutine mld_zsub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
goto 9999
endif
else if (prec%iprcparm(mld_smooth_sweeps_) > 1) then
else if (prec%iprcparm(mld_smoother_sweeps_) > 1) then
!
!
! Apply prec%iprcparm(smooth_sweeps_) sweeps of a block-Jacobi solver
! Apply prec%iprcparm(mld_smoother_sweeps_) sweeps of a block-Jacobi solver
! to compute an approximate solution of a linear system.
!
@ -231,7 +231,7 @@ subroutine mld_zsub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
tx = zzero
ty = zzero
do i=1, prec%iprcparm(mld_smooth_sweeps_)
do i=1, prec%iprcparm(mld_smoother_sweeps_)
!
! Compute Y(j+1) = D^(-1)*(X-ND*Y(j)), where D and ND are the
! block diagonal part and the remaining part of the local matrix
@ -267,7 +267,7 @@ subroutine mld_zsub_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
info = 10
call psb_errpush(info,name,&
& i_err=(/2,prec%iprcparm(mld_smooth_sweeps_),0,0,0/))
& i_err=(/2,prec%iprcparm(mld_smoother_sweeps_),0,0,0/))
goto 9999
endif

2
mlprec/mld_zsub_solve.f90
Unescape Escape View File

@ -104,7 +104,7 @@
! If trans='N','n' then op(K^(-1)) = K^(-1);
! if trans='T','t' then op(K^(-1)) = K^(-T) (transpose of K^(-1)).
! if trans='C','c' then op(K^(-1)) = K^(-C) (transpose conjugate of K^(-1)).
! If prec%iprcparm(smooth_sweeps_) > 1, the value of trans provided
! If prec%iprcparm(mld_smoother_sweeps_) > 1, the value of trans provided
! in input is ignored.
! work - complex(psb_dpk_), dimension (:), target.
! Workspace. Its size must be at least 4*psb_cd_get_local_cols(desc_data).

12
test/fileread/cf_sample.f90
Unescape Escape View File

@ -62,7 +62,8 @@ program cf_sample
character(len=16) :: mltype ! additive or multiplicative 2nd level prec
character(len=16) :: smthpos ! side: pre, post, both smoothing
character(len=16) :: cmat ! coarse mat
character(len=16) :: csolve ! Factorization type: ILU, SuperLU, UMFPACK.
character(len=16) :: csolve ! Coarse solver: bjac, umf, slu, sludist
character(len=16) :: csbsolve ! Coarse subsolver: ILU, ILU(T), SuperLU, UMFPACK.
integer :: cfill ! Fill-in for factorization 1
real(psb_spk_) :: cthres ! Threshold for fact. 1 ILU(T)
integer :: cjswp ! Jacobi sweeps
@ -239,12 +240,13 @@ program cf_sample
call mld_precset(prec,mld_ml_type_,prec_choice%mltype,info)
call mld_precset(prec,mld_ml_type_,prec_choice%mltype,info)
call mld_precset(prec,mld_smoother_pos_,prec_choice%smthpos,info)
call mld_precset(prec,mld_coarse_mat_,prec_choice%cmat,info)
call mld_precset(prec,mld_coarse_solve_,prec_choice%csolve,info)
call mld_precset(prec,mld_sub_fillin_,prec_choice%cfill,info,ilev=nlv)
call mld_precset(prec,mld_coarse_subsolve_,prec_choice%csbsolve,info)
call mld_precset(prec,mld_coarse_mat_,prec_choice%cmat,info)
call mld_precset(prec,mld_coarse_fillin_,prec_choice%cfill,info)
call mld_precset(prec,mld_fact_thrs_,prec_choice%cthres,info,ilev=nlv)
call mld_precset(prec,mld_aggr_thresh_,prec_choice%athres,info)
call mld_precset(prec,mld_smooth_sweeps_,prec_choice%cjswp,info,ilev=nlv)
call mld_precset(prec,mld_coarse_sweeps_,prec_choice%cjswp,info)
if (prec_choice%omega>=0.0) then
call mld_precset(prec,mld_aggr_damp_,prec_choice%omega,info,ilev=nlv)
end if
@ -389,6 +391,7 @@ contains
call read_data(prec%smthpos,5) ! side: pre, post, both smoothing
call read_data(prec%cmat,5) ! coarse mat
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%cfill,5) ! Fill-in for factorization 1
call read_data(prec%cthres,5) ! Threshold for fact. 1 ILU(T)
call read_data(prec%cjswp,5) ! Jacobi sweeps
@ -424,6 +427,7 @@ contains
call psb_bcast(icontxt,prec%smthpos) ! side: pre, post, both smoothing
call psb_bcast(icontxt,prec%cmat) ! coarse mat
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%cfill) ! Fill-in for factorization 1
call psb_bcast(icontxt,prec%cthres) ! Threshold for fact. 1 ILU(T)
call psb_bcast(icontxt,prec%cjswp) ! Jacobi sweeps

2
test/fileread/df_bench.f90
Unescape Escape View File

@ -239,7 +239,7 @@ program df_bench
call mld_precset(pre,mld_sub_solve_, precs(pp)%ftype2, info,ilev=nlev)
call mld_precset(pre,mld_sub_fillin_, precs(pp)%fill2, info,ilev=nlev)
call mld_precset(pre,mld_fact_thrs_, precs(pp)%thr2, info,ilev=nlev)
call mld_precset(pre,mld_smooth_sweeps_, precs(pp)%jswp, info,ilev=nlev)
call mld_precset(pre,mld_smoother_sweeps_, precs(pp)%jswp, info,ilev=nlev)
call mld_precset(pre,mld_aggr_kind_, precs(pp)%smthkind, info,ilev=nlev)
else
call mld_precinit(pre,precs(pp)%lv1,info)

22
test/fileread/df_sample.f90
Unescape Escape View File

@ -62,7 +62,8 @@ program df_sample
character(len=16) :: mltype ! additive or multiplicative 2nd level prec
character(len=16) :: smthpos ! side: pre, post, both smoothing
character(len=16) :: cmat ! coarse mat
character(len=16) :: csolve ! Factorization type: ILU, SuperLU, UMFPACK.
character(len=16) :: csolve ! Coarse solver: bjac, umf, slu, sludist
character(len=16) :: csbsolve ! Coarse subsolver: ILU, ILU(T), SuperLU, UMFPACK.
integer :: cfill ! Fill-in for factorization 1
real(psb_dpk_) :: cthres ! Threshold for fact. 1 ILU(T)
integer :: cjswp ! Jacobi sweeps
@ -78,10 +79,10 @@ program df_sample
type(mld_dprec_type) :: prec
! dense matrices
real(kind(1.d0)), allocatable, target :: aux_b(:,:), d(:)
real(kind(1.d0)), allocatable , save :: b_col(:), x_col(:), r_col(:), &
real(psb_dpk_), allocatable, target :: aux_b(:,:), d(:)
real(psb_dpk_), allocatable , save :: b_col(:), x_col(:), r_col(:), &
& x_col_glob(:), r_col_glob(:)
real(kind(1.d0)), pointer :: b_col_glob(:)
real(psb_dpk_), pointer :: b_col_glob(:)
! communications data structure
type(psb_desc_type):: desc_a
@ -91,7 +92,7 @@ program df_sample
! solver paramters
integer :: iter, itmax, ierr, itrace, ircode, ipart,&
& methd, istopc, irst,amatsize,precsize,descsize, nlv
real(kind(1.d0)) :: err, eps
real(psb_dpk_) :: err, eps
character(len=5) :: afmt
character(len=20) :: name
@ -100,7 +101,7 @@ program df_sample
! other variables
integer :: i,info,j,m_problem
integer :: internal, m,ii,nnzero
real(kind(1.d0)) :: t1, t2, tprec, r_amax, b_amax,&
real(psb_dpk_) :: t1, t2, tprec, r_amax, b_amax,&
&scale,resmx,resmxp
integer :: nrhs, nrow, n_row, dim, nv, ne
integer, allocatable :: ivg(:), ipv(:)
@ -239,12 +240,13 @@ program df_sample
call mld_precset(prec,mld_ml_type_,prec_choice%mltype,info)
call mld_precset(prec,mld_ml_type_,prec_choice%mltype,info)
call mld_precset(prec,mld_smoother_pos_,prec_choice%smthpos,info)
call mld_precset(prec,mld_coarse_mat_,prec_choice%cmat,info)
call mld_precset(prec,mld_coarse_solve_,prec_choice%csolve,info)
call mld_precset(prec,mld_sub_fillin_,prec_choice%cfill,info,ilev=nlv)
call mld_precset(prec,mld_coarse_subsolve_,prec_choice%csbsolve,info)
call mld_precset(prec,mld_coarse_mat_,prec_choice%cmat,info)
call mld_precset(prec,mld_coarse_fillin_,prec_choice%cfill,info)
call mld_precset(prec,mld_fact_thrs_,prec_choice%cthres,info,ilev=nlv)
call mld_precset(prec,mld_aggr_thresh_,prec_choice%athres,info)
call mld_precset(prec,mld_smooth_sweeps_,prec_choice%cjswp,info,ilev=nlv)
call mld_precset(prec,mld_coarse_sweeps_,prec_choice%cjswp,info)
if (prec_choice%omega>=0.0) then
call mld_precset(prec,mld_aggr_damp_,prec_choice%omega,info,ilev=nlv)
end if
@ -389,6 +391,7 @@ contains
call read_data(prec%smthpos,5) ! side: pre, post, both smoothing
call read_data(prec%cmat,5) ! coarse mat
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%cfill,5) ! Fill-in for factorization 1
call read_data(prec%cthres,5) ! Threshold for fact. 1 ILU(T)
call read_data(prec%cjswp,5) ! Jacobi sweeps
@ -424,6 +427,7 @@ contains
call psb_bcast(icontxt,prec%smthpos) ! side: pre, post, both smoothing
call psb_bcast(icontxt,prec%cmat) ! coarse mat
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%cfill) ! Fill-in for factorization 1
call psb_bcast(icontxt,prec%cthres) ! Threshold for fact. 1 ILU(T)
call psb_bcast(icontxt,prec%cjswp) ! Jacobi sweeps

3
test/fileread/runs/cfs.inp
Unescape Escape View File

@ -22,7 +22,8 @@ DEC ! Type of aggregation DEC SYMDEC GLB
MULT ! Type of multilevel correction: ADD MULT
POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD)
DIST ! Coarse level: matrix distribution DIST REPL
ILU ! Coarse level: solver ILU ILUT UMF SLU SLUDIST
BJAC ! Coarse level: solver BJAC UMF SLU SLUDIST
ILU ! Coarse level: subsolver BJAC UMF SLU SLUDIST
0 ! 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

5
test/fileread/runs/dfs.inp
Unescape Escape View File

@ -1,4 +1,4 @@
thm_3180k.mtx !matphi_140x33x45.mtx !A_1M_gps.mtx !thm1000x600.mtx ! les_t4.mtx ! young1r.mtx This (and others) from: http://math.nist.gov/MatrixMarket/ or
thm1000x600.mtx !matphi_140x33x45.mtx !A_1M_gps.mtx !thm1000x600.mtx ! les_t4.mtx ! young1r.mtx This (and others) from: http://math.nist.gov/MatrixMarket/ or
NONE !tnoto_phi.mtx !NONE !les_t4.rhs ! rhs.mtx http://www.cise.ufl.edu/research/sparse/matrices/index.html
BICGSTAB ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
CSR ! Storage format CSR COO JAD
@ -22,7 +22,8 @@ DEC ! Type of aggregation DEC SYMDEC GLB
MULT ! Type of multilevel correction: ADD MULT
POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD)
DIST ! Coarse level: matrix distribution DIST REPL
ILU ! Coarse level: solver ILU ILUT UMF SLU SLUDIST
BJAC ! Coarse level: solver BJAC UMF SLU SLUDIST
UMF ! Coarse level: subsolver BJAC UMF SLU SLUDIST
0 ! 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

3
test/fileread/runs/sfs.inp
Unescape Escape View File

@ -22,7 +22,8 @@ DEC ! Type of aggregation DEC SYMDEC GLB
MULT ! Type of multilevel correction: ADD MULT
POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD)
DIST ! Coarse level: matrix distribution DIST REPL
ILU ! Coarse level: solver ILU ILUT UMF SLU SLUDIST
UMF ! Coarse level: solver BJAC UMF SLU SLUDIST
ILU ! Coarse level: subsolver BJAC UMF SLU SLUDIST
0 ! 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

3
test/fileread/runs/zfs.inp
Unescape Escape View File

@ -22,7 +22,8 @@ DEC ! Type of aggregation DEC SYMDEC GLB
MULT ! Type of multilevel correction: ADD MULT
POST ! Side of multiplicative correction PRE POST BOTH (ignored for ADD)
DIST ! Coarse level: matrix distribution DIST REPL
ILU ! Coarse level: solver ILU ILUT UMF SLU SLUDIST
UMF ! Coarse level: solver BJAC UMF SLU SLUDIST
ILU ! Coarse level: subsolver BJAC UMF SLU SLUDIST
0 ! 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

12
test/fileread/sf_sample.f90
Unescape Escape View File

@ -62,7 +62,8 @@ program sf_sample
character(len=16) :: mltype ! additive or multiplicative 2nd level prec
character(len=16) :: smthpos ! side: pre, post, both smoothing
character(len=16) :: cmat ! coarse mat
character(len=16) :: csolve ! Factorization type: ILU, SuperLU, UMFPACK.
character(len=16) :: csolve ! Coarse solver: bjac, umf, slu, sludist
character(len=16) :: csbsolve ! Coarse subsolver: ILU, ILU(T), SuperLU, UMFPACK.
integer :: cfill ! Fill-in for factorization 1
real(psb_spk_) :: cthres ! Threshold for fact. 1 ILU(T)
integer :: cjswp ! Jacobi sweeps
@ -239,12 +240,13 @@ program sf_sample
call mld_precset(prec,mld_ml_type_,prec_choice%mltype,info)
call mld_precset(prec,mld_ml_type_,prec_choice%mltype,info)
call mld_precset(prec,mld_smoother_pos_,prec_choice%smthpos,info)
call mld_precset(prec,mld_coarse_mat_,prec_choice%cmat,info)
call mld_precset(prec,mld_coarse_solve_,prec_choice%csolve,info)
call mld_precset(prec,mld_sub_fillin_,prec_choice%cfill,info,ilev=nlv)
call mld_precset(prec,mld_coarse_subsolve_,prec_choice%csbsolve,info)
call mld_precset(prec,mld_coarse_mat_,prec_choice%cmat,info)
call mld_precset(prec,mld_coarse_fillin_,prec_choice%cfill,info)
call mld_precset(prec,mld_fact_thrs_,prec_choice%cthres,info,ilev=nlv)
call mld_precset(prec,mld_aggr_thresh_,prec_choice%athres,info)
call mld_precset(prec,mld_smooth_sweeps_,prec_choice%cjswp,info,ilev=nlv)
call mld_precset(prec,mld_coarse_sweeps_,prec_choice%cjswp,info)
if (prec_choice%omega>=0.0) then
call mld_precset(prec,mld_aggr_damp_,prec_choice%omega,info,ilev=nlv)
end if
@ -389,6 +391,7 @@ contains
call read_data(prec%smthpos,5) ! side: pre, post, both smoothing
call read_data(prec%cmat,5) ! coarse mat
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%cfill,5) ! Fill-in for factorization 1
call read_data(prec%cthres,5) ! Threshold for fact. 1 ILU(T)
call read_data(prec%cjswp,5) ! Jacobi sweeps
@ -424,6 +427,7 @@ contains
call psb_bcast(icontxt,prec%smthpos) ! side: pre, post, both smoothing
call psb_bcast(icontxt,prec%cmat) ! coarse mat
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%cfill) ! Fill-in for factorization 1
call psb_bcast(icontxt,prec%cthres) ! Threshold for fact. 1 ILU(T)
call psb_bcast(icontxt,prec%cjswp) ! Jacobi sweeps

2
test/fileread/zf_bench.f90
Unescape Escape View File

@ -224,7 +224,7 @@ program zf_bench
call mld_precset(pre,mld_sub_solve_, precs(pp)%ftype2, info,ilev=nlev)
call mld_precset(pre,mld_sub_fillin_, precs(pp)%fill2, info,ilev=nlev)
call mld_precset(pre,mld_fact_thrs_, precs(pp)%thr2, info,ilev=nlev)
call mld_precset(pre,mld_smooth_sweeps_, precs(pp)%jswp, info,ilev=nlev)
call mld_precset(pre,mld_smoother_sweeps_, precs(pp)%jswp, info,ilev=nlev)
call mld_precset(pre,mld_aggr_kind_, precs(pp)%smthkind, info,ilev=nlev)
else
call mld_precinit(pre,precs(pp)%lv1,info)

27
test/fileread/zf_sample.f90
Unescape Escape View File

@ -62,7 +62,8 @@ program zf_sample
character(len=16) :: mltype ! additive or multiplicative 2nd level prec
character(len=16) :: smthpos ! side: pre, post, both smoothing
character(len=16) :: cmat ! coarse mat
character(len=16) :: csolve ! Factorization type: ILU, SuperLU, UMFPACK.
character(len=16) :: csolve ! Coarse solver: bjac, umf, slu, sludist
character(len=16) :: csbsolve ! Coarse subsolver: ILU, ILU(T), SuperLU, UMFPACK.
integer :: cfill ! Fill-in for factorization 1
real(psb_dpk_) :: cthres ! Threshold for fact. 1 ILU(T)
integer :: cjswp ! Jacobi sweeps
@ -78,10 +79,10 @@ program zf_sample
type(mld_zprec_type) :: prec
! dense matrices
complex(kind(1.d0)), allocatable, target :: aux_b(:,:), d(:)
complex(kind(1.d0)), allocatable , save :: b_col(:), x_col(:), r_col(:), &
complex(psb_dpk_), allocatable, target :: aux_b(:,:), d(:)
complex(psb_dpk_), allocatable , save :: b_col(:), x_col(:), r_col(:), &
& x_col_glob(:), r_col_glob(:)
complex(kind(1.d0)), pointer :: b_col_glob(:)
complex(psb_dpk_), pointer :: b_col_glob(:)
! communications data structure
type(psb_desc_type):: desc_a
@ -91,7 +92,7 @@ program zf_sample
! solver paramters
integer :: iter, itmax, ierr, itrace, ircode, ipart,&
& methd, istopc, irst,amatsize,precsize,descsize, nlv
real(kind(1.d0)) :: err, eps
real(psb_dpk_) :: err, eps
character(len=5) :: afmt
character(len=20) :: name
@ -100,7 +101,7 @@ program zf_sample
! other variables
integer :: i,info,j,m_problem
integer :: internal, m,ii,nnzero
real(kind(1.d0)) :: t1, t2, tprec, r_amax, b_amax,&
real(psb_dpk_) :: t1, t2, tprec, r_amax, b_amax,&
&scale,resmx,resmxp
integer :: nrhs, nrow, n_row, dim, nv, ne
integer, allocatable :: ivg(:), ipv(:)
@ -239,12 +240,13 @@ program zf_sample
call mld_precset(prec,mld_ml_type_,prec_choice%mltype,info)
call mld_precset(prec,mld_ml_type_,prec_choice%mltype,info)
call mld_precset(prec,mld_smoother_pos_,prec_choice%smthpos,info)
call mld_precset(prec,mld_coarse_mat_,prec_choice%cmat,info)
call mld_precset(prec,mld_coarse_solve_,prec_choice%csolve,info)
call mld_precset(prec,mld_sub_fillin_,prec_choice%cfill,info,ilev=nlv)
call mld_precset(prec,mld_coarse_subsolve_,prec_choice%csbsolve,info)
call mld_precset(prec,mld_coarse_mat_,prec_choice%cmat,info)
call mld_precset(prec,mld_coarse_fillin_,prec_choice%cfill,info)
call mld_precset(prec,mld_fact_thrs_,prec_choice%cthres,info,ilev=nlv)
call mld_precset(prec,mld_aggr_thresh_,prec_choice%athres,info)
call mld_precset(prec,mld_smooth_sweeps_,prec_choice%cjswp,info,ilev=nlv)
call mld_precset(prec,mld_coarse_sweeps_,prec_choice%cjswp,info)
if (prec_choice%omega>=0.0) then
call mld_precset(prec,mld_aggr_damp_,prec_choice%omega,info,ilev=nlv)
end if
@ -389,6 +391,7 @@ contains
call read_data(prec%smthpos,5) ! side: pre, post, both smoothing
call read_data(prec%cmat,5) ! coarse mat
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%cfill,5) ! Fill-in for factorization 1
call read_data(prec%cthres,5) ! Threshold for fact. 1 ILU(T)
call read_data(prec%cjswp,5) ! Jacobi sweeps
@ -424,6 +427,7 @@ contains
call psb_bcast(icontxt,prec%smthpos) ! side: pre, post, both smoothing
call psb_bcast(icontxt,prec%cmat) ! coarse mat
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%cfill) ! Fill-in for factorization 1
call psb_bcast(icontxt,prec%cthres) ! Threshold for fact. 1 ILU(T)
call psb_bcast(icontxt,prec%cjswp) ! Jacobi sweeps
@ -450,8 +454,3 @@ contains
write(iout, *) ' 0: block partition '
end subroutine pr_usage
end program zf_sample

4
test/pargen/ppde.f90
Unescape Escape View File

@ -243,8 +243,8 @@ program ppde
call mld_precset(prec,mld_coarse_solve_,prectype%csolve,info)
call mld_precset(prec,mld_sub_fillin_,prectype%cfill,info,ilev=nlv)
call mld_precset(prec,mld_fact_thrs_,prectype%cthres,info,ilev=nlv)
call mld_precset(prec,mld_smooth_sweeps_,prectype%cjswp,info,ilev=nlv)
call mld_precset(prec,mld_smooth_sweeps_,prectype%cjswp,info,ilev=nlv)
call mld_precset(prec,mld_smoother_sweeps_,prectype%cjswp,info,ilev=nlv)
call mld_precset(prec,mld_smoother_sweeps_,prectype%cjswp,info,ilev=nlv)
if (prectype%omega>=0.0) then
call mld_precset(prec,mld_aggr_damp_,prectype%omega,info,ilev=nlv)
end if

4
test/pargen/spde.f90
Unescape Escape View File

@ -256,8 +256,8 @@ program spde
call mld_precset(prec,mld_coarse_solve_,prectype%csolve,info)
call mld_precset(prec,mld_sub_fillin_,prectype%cfill,info,ilev=nlv)
call mld_precset(prec,mld_fact_thrs_,prectype%cthres,info,ilev=nlv)
call mld_precset(prec,mld_smooth_sweeps_,prectype%cjswp,info,ilev=nlv)
call mld_precset(prec,mld_smooth_sweeps_,prectype%cjswp,info,ilev=nlv)
call mld_precset(prec,mld_smoother_sweeps_,prectype%cjswp,info,ilev=nlv)
call mld_precset(prec,mld_smoother_sweeps_,prectype%cjswp,info,ilev=nlv)
if (prectype%omega>=0.0) then
call mld_precset(prec,mld_aggr_damp_,prectype%omega,info,ilev=nlv)
end if

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