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implemented biconjugation

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implement-ainv
Cirdans-Home 4 years ago
parent f6c145f982
commit 3e22e9e963
57 changed files with 2140 additions and 174 deletions
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12
prec/Makefile
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@ -52,12 +52,14 @@ psb_s_bjacprec.o psb_s_diagprec.o psb_s_nullprec.o: psb_prec_mod.o psb_s_base_pr
psb_d_bjacprec.o psb_d_diagprec.o psb_d_nullprec.o: psb_prec_mod.o psb_d_base_prec_mod.o
psb_c_bjacprec.o psb_c_diagprec.o psb_c_nullprec.o: psb_prec_mod.o psb_c_base_prec_mod.o
psb_z_bjacprec.o psb_z_diagprec.o psb_z_nullprec.o: psb_prec_mod.o psb_z_base_prec_mod.o
psb_s_bjacprec.o: psb_s_ilu_fact_mod.o
psb_d_bjacprec.o: psb_d_ilu_fact_mod.o
psb_c_bjacprec.o: psb_c_ilu_fact_mod.o
psb_z_bjacprec.o: psb_z_ilu_fact_mod.o
psb_s_bjacprec.o: psb_s_ilu_fact_mod.o psb_s_ainv_fact_mod.o
psb_d_bjacprec.o: psb_d_ilu_fact_mod.o psb_d_ainv_fact_mod.o
psb_c_bjacprec.o: psb_c_ilu_fact_mod.o psb_c_ainv_fact_mod.o
psb_z_bjacprec.o: psb_z_ilu_fact_mod.o psb_z_ainv_fact_mod.o
psb_c_ainv_fact_mod.o: psb_prec_const_mod.o psb_ainv_tools_mod.o psb_s_ainv_fact_mod.o psb_d_ainv_fact_mod.o psb_c_ainv_fact_mod.o psb_z_ainv_fact_mod.o
psb_ainv_tools_mod.o: psb_c_ainv_tools_mod.o psb_d_ainv_tools_mod.o psb_s_ainv_tools_mod.o psb_z_ainv_tools_mod.o
psb_biconjg_mod.o: psb_base_ainv_mod.o psb_c_biconjg_mod.o psb_d_biconjg_mod.o psb_s_biconjg_mod.o psb_z_biconjg_mod.o
psb_biconjg_mod.o: psb_prec_const_mod.o psb_c_biconjg_mod.o \
psb_d_biconjg_mod.o psb_s_biconjg_mod.o psb_z_biconjg_mod.o
veryclean: clean
/bin/rm -f $(LIBNAME) *$(.mod)

2
prec/impl/Makefile
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@ -33,6 +33,8 @@ OBJS=psb_s_prec_type_impl.o psb_d_prec_type_impl.o \
psb_ssparse_biconjg_llk_noth.o psb_ssparse_biconjg_llk.o \
psb_ssparse_biconjg_mlk.o psb_ssparse_biconjg_s_ft_llk.o \
psb_ssparse_biconjg_s_llk.o \
psb_d_ainv_bld.o psb_c_ainv_bld.o psb_s_ainv_bld.o \
psb_z_ainv_bld.o
LIBNAME=$(PRECLIBNAME)
COBJS=

224
prec/impl/psb_c_ainv_bld.f90
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@ -0,0 +1,224 @@
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
! Moved here from AMG-AINV, original copyright below.
!
!
! AMG-AINV: Approximate Inverse plugin for
! AMG4PSBLAS version 1.0
!
! (C) Copyright 2020
!
! Salvatore Filippone University of Rome Tor Vergata
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the AMG4PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
subroutine psb_c_ainv_bld(a,alg,fillin,thresh,wmat,d,zmat,desc,info,blck,iscale)
use psb_base_mod
use psb_prec_const_mod
use psb_c_biconjg_mod
implicit none
! Arguments
type(psb_cspmat_type), intent(in), target :: a
integer(psb_ipk_), intent(in) :: fillin,alg
real(psb_spk_), intent(in) :: thresh
type(psb_cspmat_type), intent(inout) :: wmat, zmat
complex(psb_spk_), allocatable :: d(:)
Type(psb_desc_type), Intent(in) :: desc
integer(psb_ipk_), intent(out) :: info
type(psb_cspmat_type), intent(in), optional :: blck
integer(psb_ipk_), intent(in), optional :: iscale
!
integer(psb_ipk_) :: i, nztota, err_act, n_row, nrow_a
type(psb_c_coo_sparse_mat) :: acoo
type(psb_c_csr_sparse_mat) :: acsr
type(psb_cspmat_type) :: atmp
real(psb_spk_), allocatable :: arws(:), acls(:)
complex(psb_spk_), allocatable :: pq(:), ad(:)
integer(psb_ipk_) :: debug_level, debug_unit
integer(psb_ipk_) :: ictxt,np,me
integer(psb_ipk_) :: nzrmax, iscale_
real(psb_spk_) :: sp_thresh
complex(psb_spk_) :: weight
character(len=20) :: name, ch_err
info = psb_success_
name = 'psb_cainv_bld'
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_; goto 9999
end if
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = psb_cd_get_context(desc)
call psb_info(ictxt, me, np)
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' start'
iscale_ = psb_ilu_scale_none_
if (present(iscale)) iscale_ = iscale
weight = cone
!
! Check the memory available to hold the W and Z factors
! and allocate it if needed
!
nrow_a = a%get_nrows()
nztota = a%get_nzeros()
if (present(blck)) then
nztota = nztota + blck%get_nzeros()
end if
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),&
& ': out get_nnzeros',nrow_a,nztota,&
& a%get_nrows(),a%get_ncols(),a%get_nzeros()
n_row = desc%get_local_rows()
allocate(pq(n_row),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
nzrmax = fillin
sp_thresh = thresh
!
! Ok, let's start first with Z (i.e. Upper)
!
call a%csclip(acoo,info,imax=n_row,jmax=n_row)
call acsr%mv_from_coo(acoo,info)
select case(iscale_)
case(psb_ilu_scale_none_)
! Ok, do nothing.
case(psb_ilu_scale_maxval_)
weight = acsr%maxval()
weight = cone/weight
call acsr%scal(weight,info)
case(psb_ilu_scale_arcsum_)
allocate(arws(n_row),acls(n_row),ad(n_row),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call acsr%arwsum(arws)
call acsr%aclsum(acls)
ad(1:n_row) = sqrt(sqrt(arws(1:n_row)*acls(1:n_row)))
ad(1:n_row) = cone/ad(1:n_row)
call acsr%scal(ad,info,side='L')
call acsr%scal(ad,info,side='R')
case default
call psb_errpush(psb_err_from_subroutine_,name,a_err='wrong iscale')
goto 9999
end select
!
! Here for the actual workhorses.
! Only biconjg is surviving for now....
!
call psb_sparse_biconjg(alg,n_row,acsr,pq,&
& zmat,wmat,nzrmax,sp_thresh,info)
! Done. Hopefully....
if (info /= psb_success_) then
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='sparse_biconjg')
goto 9999
end if
call atmp%mv_from(acsr)
!
! Is this right???
!
do i=1, n_row
if (abs(pq(i)) < d_epstol) then
pq(i) = cone
else
pq(i) = cone/pq(i)
end if
end do
select case(iscale_)
case(psb_ilu_scale_none_)
! Ok, do nothing.
case(psb_ilu_scale_maxval_)
pq(:) = pq(:)*weight
case(psb_ilu_scale_arcsum_)
call zmat%scal(ad,info,side='L')
call wmat%scal(ad,info,side='R')
case default
call psb_errpush(psb_err_from_subroutine_,name,a_err='wrong iscale')
goto 9999
end select
call psb_move_alloc(pq,d,info)
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' end'
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_c_ainv_bld

189
prec/impl/psb_c_bjacprec_impl.f90
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@ -195,6 +195,46 @@ subroutine psb_c_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
goto 9999
end if
case(psb_f_ainv_)
select case(trans_)
case('N')
call psb_spmm(cone,prec%av(psb_l_pr_),x,czero,wv,desc_data,info,&
& trans=trans_, work=aux)
call wv1%mlt(cone,prec%dv,wv,czero,info)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_, work=aux)
case('T')
call psb_spmm(cone,prec%av(psb_u_pr_),x,czero,wv,desc_data,info,&
& trans=trans_, work=aux)
call wv1%mlt(cone,prec%dv,wv,czero,info)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv1,&
& beta,y,desc_data,info,&
& trans=trans_,work=aux)
case('C')
call psb_spmm(cone,prec%av(psb_u_pr_),x,czero,wv,desc_data,info,&
& trans=trans_,work=aux)
call wv1%mlt(cone,prec%dv,wv,czero,info,conjgx=trans_)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv1,&
& beta,y,desc_data,info,&
& trans=trans_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
@ -242,6 +282,7 @@ subroutine psb_c_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
! Local variables
integer(psb_ipk_) :: n_row,n_col
complex(psb_spk_), pointer :: ww(:), aux(:)
type(psb_d_vect_type) :: tx,ty
integer(psb_ipk_) :: ictxt,np,me
integer(psb_ipk_) :: err_act, ierr(5)
integer(psb_ipk_) :: debug_level, debug_unit
@ -346,6 +387,29 @@ subroutine psb_c_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
goto 9999
end if
case(psb_f_ainv_)
! Application of approximate inverse preconditioner, just some spmm
! call psb_spmm(alpha, a, x, beta, y,desc_a, info, &
! & trans, work)
select case(trans_)
case('N','T')
call psb_spmm(cone,prec%av(psb_l_pr_),x,czero,ww,desc_data,info,&
& trans=trans_, work=aux)
ww(1:n_row) = ww(1:n_row)*prec%dv%v%v(1:n_row)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info, trans=trans_, work=aux)
case('C')
call psb_spmm(cone,prec%av(psb_l_pr_),x,czero,ww,desc_data,info,&
& trans=trans_, work=aux)
ww(1:n_row) = ww(1:n_row)*conjg(prec%dv%v%v(1:n_row))
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info, trans=trans_, work=aux)
end select
case default
info = psb_err_internal_error_
@ -402,9 +466,13 @@ subroutine psb_c_bjac_precinit(prec,info)
prec%iprcparm(psb_ilu_fill_in_) = 0
prec%iprcparm(psb_ilu_ialg_) = psb_ilu_n_
prec%iprcparm(psb_ilu_scale_) = psb_ilu_scale_none_
prec%iprcparm(psb_inv_fillin_) = 0
prec%iprcparm(psb_ainv_alg_) = psb_ainv_llk_
prec%rprcparm(:) = 0
prec%rprcparm(psb_fact_eps_) = 1E-1_psb_spk_
prec%rprcparm(psb_inv_thresh_) = 1E-1_psb_spk_
call psb_erractionrestore(err_act)
@ -420,6 +488,7 @@ subroutine psb_c_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
use psb_base_mod
use psb_c_ilu_fact_mod
use psb_c_ainv_fact_mod
use psb_c_bjacprec, psb_protect_name => psb_c_bjac_precbld
Implicit None
@ -432,12 +501,12 @@ subroutine psb_c_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
class(psb_i_base_vect_type), intent(in), optional :: imold
! .. Local Scalars ..
integer(psb_ipk_) :: i, m, ialg, fill_in, iscale
integer(psb_ipk_) :: i, m, ialg, fill_in, iscale, inv_fill, iinvalg
integer(psb_ipk_) :: ierr(5)
character :: trans, unitd
type(psb_cspmat_type), allocatable :: lf, uf
complex(psb_spk_), allocatable :: dd(:)
real(psb_spk_) :: fact_eps
real(psb_spk_) :: fact_eps, inv_thresh
integer(psb_ipk_) :: nztota, err_act, n_row, nrow_a,n_col, nhalo
integer(psb_ipk_) :: ictxt,np,me
character(len=20) :: name='c_bjac_precbld'
@ -468,8 +537,13 @@ subroutine psb_c_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
! We check if all the information contained in the preconditioner structure
! are meaningful, otherwise we give an error and get out of the build
! procedure
ialg = prec%iprcparm(psb_ilu_ialg_)
if ((ialg == psb_ilu_n_).or.(ialg == psb_milu_n_).or.(ialg == psb_ilu_t_)) then
ialg = prec%iprcparm(psb_ilu_ialg_) ! Integer for ILU type algorithm
iinvalg = prec%iprcparm(psb_ainv_alg_) ! Integer for AINV type algorithm
if ((ialg == psb_ilu_n_).or.(ialg == psb_milu_n_).or.&
& (ialg == psb_ilu_t_).or.(iinvalg == psb_ainv_llk_).or.&
& (iinvalg == psb_ainv_s_llk_).or.(iinvalg == psb_ainv_s_ft_llk_).or.&
& (iinvalg == psb_ainv_llk_noth_).or.(iinvalg == psb_ainv_mlk_).or.&
& (iinvalg == psb_ainv_lmx_)) then
! Do nothing: admissible request
else
info=psb_err_from_subroutine_
@ -492,24 +566,32 @@ subroutine psb_c_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
goto 9999
end if
fact_eps = prec%rprcparm(psb_fact_eps_)
if(fact_eps > 1 ) then
if( (fact_eps > 1).and.(prec%iprcparm(psb_f_type_) == psb_f_ainv_) ) then
info=psb_err_from_subroutine_
ch_err='psb_fact_eps_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
fill_in = prec%iprcparm(psb_ilu_fill_in_)
if(fill_in < 0) then
inv_thresh = prec%rprcparm(psb_inv_thresh_)
if( (inv_thresh > 1) ) then
info=psb_err_from_subroutine_
ch_err='psb_ilu_fill_in_'
ch_err='psb_fact_eps_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
else if (fill_in == 0) then
! If the requested level of fill is equal to zero, we default to the
! specialized ILU(0) routine
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
end if
fill_in = prec%iprcparm(psb_ilu_fill_in_)
if (prec%iprcparm(psb_f_type_) == psb_f_ilu_n_) then
if(fill_in < 0) then
info=psb_err_from_subroutine_
ch_err='psb_ilu_fill_in_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
else if (fill_in == 0) then
! If the requested level of fill is equal to zero, we default to the
! specialized ILU(0) routine
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
end if
end if
! Select on the type of factorization to be used
select case(prec%iprcparm(psb_f_type_))
@ -732,6 +814,78 @@ subroutine psb_c_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
goto 9999
end if
case(psb_f_ainv_)
! Approximate Inverse Factorizations based on variants of the incomplete
! biconjugation algorithms
if (allocated(prec%av)) then
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows()
nztota = a%get_nzeros()
n_col = desc_a%get_local_cols()
nhalo = n_col-nrow_a
n_row = nrow_a
allocate(lf,uf,stat=info)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info)
if (info == psb_success_) then
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_c_base_vect_type :: prec%dv%v,stat=info)
end if
end if
end if
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
endif
! Computin the factorization
call psb_ainv_fact(a,iinvalg,inv_fill,inv_thresh,lf,dd,uf,desc_a,info,iscale=iscale)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf%a)
call prec%av(psb_u_pr_)%mv_from(uf%a)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
! call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilut_fact'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
case(psb_f_none_)
info=psb_err_from_subroutine_
ch_err='Inconsistent prec psb_f_none_'
@ -792,6 +946,12 @@ subroutine psb_c_bjac_precseti(prec,what,val,info)
case (psb_ilu_scale_)
prec%iprcparm(psb_ilu_scale_) = val
case (psb_ainv_alg_)
prec%iprcparm(psb_ainv_alg_) = val
case(psb_inv_fillin_)
prec%iprcparm(psb_inv_fillin_) = val
case default
write(psb_err_unit,'(i0," is invalid, ignoring user specification")') what
@ -833,6 +993,9 @@ subroutine psb_c_bjac_precsetr(prec,what,val,info)
case (psb_fact_eps_)
prec%rprcparm(psb_fact_eps_) = val
case (psb_inv_thresh_)
prec%rprcparm(psb_inv_thresh_) = val
case default
write(psb_err_unit,'(i0," is invalid, ignoring user specification")') what

19
prec/impl/psb_c_prec_type_impl.f90
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@ -356,6 +356,8 @@ subroutine psb_ccprecseti(prec,what,val,info,ilev,ilmax,pos,idx)
select case (psb_toupper(what))
case ("SUB_FILLIN")
call prec%prec%precset(psb_ilu_fill_in_,val,info)
case('INV_FILLIN')
call prec%prec%precset(psb_inv_fillin_,val,info)
case default
info = psb_err_invalid_args_combination_
write(psb_err_unit,*) name,&
@ -390,6 +392,8 @@ subroutine psb_ccprecsetr(prec,what,val,info,ilev,ilmax,pos,idx)
select case (psb_toupper(what))
case('SUB_ILUTHRS')
call prec%prec%precset(psb_fact_eps_,val,info)
case('INV_THRESH')
call prec%prec%precset(psb_inv_thresh_,val,info)
case default
info = psb_err_invalid_args_combination_
write(psb_err_unit,*) name,&
@ -431,6 +435,8 @@ subroutine psb_ccprecsetc(prec,what,string,info,ilev,ilmax,pos,idx)
case("ILUT")
call prec%prec%precset(psb_f_type_,psb_f_ilu_t_,info)
call prec%prec%precset(psb_ilu_ialg_,psb_ilu_t_,info)
case("AINV")
call prec%prec%precset(psb_f_type_,psb_f_ainv_,info)
case default
! Default to ILU(0) factorization
call prec%prec%precset(psb_f_type_,psb_f_ilu_n_,info)
@ -450,6 +456,19 @@ subroutine psb_ccprecsetc(prec,what,string,info,ilev,ilmax,pos,idx)
case default
call prec%prec%precset(psb_ilu_scale_,psb_ilu_scale_none_,info)
end select
case ("AINV_ALG")
select case (psb_toupper(string))
case("LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_llk_,info)
case("SYM-LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_s_llk_,info)
case("STAB-LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_s_ft_llk_,info)
case("MLK","LMX")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_mlk_,info)
case default
call prec%prec%precset(psb_ainv_alg_,psb_ainv_llk_,info)
end select
case default
end select

8
prec/impl/psb_c_sparsify.f90
Unescape Escape View File

@ -63,7 +63,7 @@
! POSSIBILITY OF SUCH DAMAGE.
!
!
subroutine amg_c_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,iheap,ikr)
subroutine psb_c_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,iheap,ikr)
use psb_base_mod
implicit none
@ -177,10 +177,10 @@ subroutine amg_c_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,ihe
return
end subroutine amg_c_sparsify
end subroutine psb_c_sparsify
subroutine amg_c_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,listv,ikr,info)
subroutine psb_c_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,listv,ikr,info)
use psb_base_mod
implicit none
@ -258,4 +258,4 @@ subroutine amg_c_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,list
return
end subroutine amg_c_sparsify_list
end subroutine psb_c_sparsify_list

4
prec/impl/psb_crwclip.f90
Unescape Escape View File

@ -63,7 +63,7 @@
! POSSIBILITY OF SUCH DAMAGE.
!
!
subroutine amg_c_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
subroutine psb_c_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
use psb_base_mod
implicit none
@ -87,4 +87,4 @@ subroutine amg_c_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
end if
end do
nz = j
end subroutine amg_c_rwclip
end subroutine psb_c_rwclip

3
prec/impl/psb_csparse_biconjg_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_csparse_biconjg_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_c_ainv_tools_mod
use psb_c_biconjg_mod, psb_protect_name => psb_csparse_biconjg_llk
!
! Left-looking variant
@ -224,6 +224,7 @@ subroutine psb_csparse_biconjg_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
!
! Sparsify current ZVAL and put into ZMAT
!
write(psb_out_unit,'("z(1) = ",f16.14)') zval(1)
call sparsify(i,nzrmax,sp_thresh,n,zval,nzrz,ia,val,info,iheap=heap,ikr=izkr)
if (info /= psb_success_) then
info = psb_err_internal_error_

2
prec/impl/psb_csparse_biconjg_llk_noth.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_csparse_biconjg_llk_noth(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_c_ainv_tools_mod
use psb_c_biconjg_mod, psb_protect_name => psb_csparse_biconjg_llk_noth
!

2
prec/impl/psb_csparse_biconjg_mlk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_csparse_biconjg_mlk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_c_ainv_tools_mod
use psb_c_biconjg_mod, psb_protect_name => psb_csparse_biconjg_mlk
!
! Left-looking variant

8
prec/impl/psb_csparse_biconjg_s_ft_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_csparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_c_ainv_tools_mod
use psb_c_biconjg_mod, psb_protect_name => psb_csparse_biconjg_s_ft_llk
!
@ -164,7 +164,7 @@ subroutine psb_csparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
ip2 = w%icp(j+1) - 1
nzra = max(0,ip2 - ip1 + 1)
nzww = 0
call psb_d_spvspm(cone,a,nzra,w%ia(ip1:ip2),w%val(ip1:ip2),&
call psb_c_spvspm(cone,a,nzra,w%ia(ip1:ip2),w%val(ip1:ip2),&
& czero,nzww,iww,ww,info)
p(i) = psb_spge_dot(nzww,iww,ww,zval)
@ -299,7 +299,7 @@ subroutine psb_csparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
ip2 = z%icp(j+1) - 1
nzra = max(0,ip2 - ip1 + 1)
nzww = 0
call psb_d_spmspv(cone,ac,nzra,z%ia(ip1:ip2),z%val(ip1:ip2),&
call psb_c_spmspv(cone,ac,nzra,z%ia(ip1:ip2),z%val(ip1:ip2),&
& czero,nzww,iww,ww,info)
q(i) = psb_spge_dot(nzww,iww,ww,zval)
@ -384,7 +384,7 @@ subroutine psb_csparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
nzww = 0
nzrz = z%icp(i+1)-z%icp(i)
ipz1 = z%icp(i)
call psb_d_spmspv(cone,ac,&
call psb_c_spmspv(cone,ac,&
& nzrz,z%ia(ipz1:ipz1+nzrz-1),z%val(ipz1:ipz1+nzrz-1),&
& czero,nzww,iww,ww,info)
tmpq = psb_spdot_srtd(nzww,iww,ww,nzrw,ia,val)

2
prec/impl/psb_csparse_biconjg_s_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_csparse_biconjg_s_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_c_ainv_tools_mod
use psb_c_biconjg_mod, psb_protect_name => psb_csparse_biconjg_s_llk
!

224
prec/impl/psb_d_ainv_bld.f90
Unescape Escape View File

@ -0,0 +1,224 @@
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
! Moved here from AMG-AINV, original copyright below.
!
!
! AMG-AINV: Approximate Inverse plugin for
! AMG4PSBLAS version 1.0
!
! (C) Copyright 2020
!
! Salvatore Filippone University of Rome Tor Vergata
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the AMG4PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
subroutine psb_d_ainv_bld(a,alg,fillin,thresh,wmat,d,zmat,desc,info,blck,iscale)
use psb_base_mod
use psb_prec_const_mod
use psb_d_biconjg_mod
implicit none
! Arguments
type(psb_dspmat_type), intent(in), target :: a
integer(psb_ipk_), intent(in) :: fillin,alg
real(psb_dpk_), intent(in) :: thresh
type(psb_dspmat_type), intent(inout) :: wmat, zmat
real(psb_dpk_), allocatable :: d(:)
Type(psb_desc_type), Intent(in) :: desc
integer(psb_ipk_), intent(out) :: info
type(psb_dspmat_type), intent(in), optional :: blck
integer(psb_ipk_), intent(in), optional :: iscale
!
integer(psb_ipk_) :: i, nztota, err_act, n_row, nrow_a
type(psb_d_coo_sparse_mat) :: acoo
type(psb_d_csr_sparse_mat) :: acsr
type(psb_dspmat_type) :: atmp
real(psb_dpk_), allocatable :: arws(:), acls(:)
real(psb_dpk_), allocatable :: pq(:), ad(:)
integer(psb_ipk_) :: debug_level, debug_unit
integer(psb_ipk_) :: ictxt,np,me
integer(psb_ipk_) :: nzrmax, iscale_
real(psb_dpk_) :: sp_thresh
real(psb_dpk_) :: weight
character(len=20) :: name, ch_err
info = psb_success_
name = 'psb_dainv_bld'
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_; goto 9999
end if
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = psb_cd_get_context(desc)
call psb_info(ictxt, me, np)
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' start'
iscale_ = psb_ilu_scale_none_
if (present(iscale)) iscale_ = iscale
weight = done
!
! Check the memory available to hold the W and Z factors
! and allocate it if needed
!
nrow_a = a%get_nrows()
nztota = a%get_nzeros()
if (present(blck)) then
nztota = nztota + blck%get_nzeros()
end if
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),&
& ': out get_nnzeros',nrow_a,nztota,&
& a%get_nrows(),a%get_ncols(),a%get_nzeros()
n_row = desc%get_local_rows()
allocate(pq(n_row),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
nzrmax = fillin
sp_thresh = thresh
!
! Ok, let's start first with Z (i.e. Upper)
!
call a%csclip(acoo,info,imax=n_row,jmax=n_row)
call acsr%mv_from_coo(acoo,info)
select case(iscale_)
case(psb_ilu_scale_none_)
! Ok, do nothing.
case(psb_ilu_scale_maxval_)
weight = acsr%maxval()
weight = done/weight
call acsr%scal(weight,info)
case(psb_ilu_scale_arcsum_)
allocate(arws(n_row),acls(n_row),ad(n_row),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call acsr%arwsum(arws)
call acsr%aclsum(acls)
ad(1:n_row) = sqrt(sqrt(arws(1:n_row)*acls(1:n_row)))
ad(1:n_row) = done/ad(1:n_row)
call acsr%scal(ad,info,side='L')
call acsr%scal(ad,info,side='R')
case default
call psb_errpush(psb_err_from_subroutine_,name,a_err='wrong iscale')
goto 9999
end select
!
! Here for the actual workhorses.
! Only biconjg is surviving for now....
!
call psb_sparse_biconjg(alg,n_row,acsr,pq,&
& zmat,wmat,nzrmax,sp_thresh,info)
! Done. Hopefully....
if (info /= psb_success_) then
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='sparse_biconjg')
goto 9999
end if
call atmp%mv_from(acsr)
!
! Is this right???
!
do i=1, n_row
if (abs(pq(i)) < d_epstol) then
pq(i) = done
else
pq(i) = done/pq(i)
end if
end do
select case(iscale_)
case(psb_ilu_scale_none_)
! Ok, do nothing.
case(psb_ilu_scale_maxval_)
pq(:) = pq(:)*weight
case(psb_ilu_scale_arcsum_)
call zmat%scal(ad,info,side='L')
call wmat%scal(ad,info,side='R')
case default
call psb_errpush(psb_err_from_subroutine_,name,a_err='wrong iscale')
goto 9999
end select
call psb_move_alloc(pq,d,info)
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' end'
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_ainv_bld

189
prec/impl/psb_d_bjacprec_impl.f90
Unescape Escape View File

@ -195,6 +195,46 @@ subroutine psb_d_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
goto 9999
end if
case(psb_f_ainv_)
select case(trans_)
case('N')
call psb_spmm(done,prec%av(psb_l_pr_),x,dzero,wv,desc_data,info,&
& trans=trans_, work=aux)
call wv1%mlt(done,prec%dv,wv,dzero,info)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_, work=aux)
case('T')
call psb_spmm(done,prec%av(psb_u_pr_),x,dzero,wv,desc_data,info,&
& trans=trans_, work=aux)
call wv1%mlt(done,prec%dv,wv,dzero,info)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv1,&
& beta,y,desc_data,info,&
& trans=trans_,work=aux)
case('C')
call psb_spmm(done,prec%av(psb_u_pr_),x,dzero,wv,desc_data,info,&
& trans=trans_,work=aux)
call wv1%mlt(done,prec%dv,wv,dzero,info,conjgx=trans_)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv1,&
& beta,y,desc_data,info,&
& trans=trans_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
@ -242,6 +282,7 @@ subroutine psb_d_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
! Local variables
integer(psb_ipk_) :: n_row,n_col
real(psb_dpk_), pointer :: ww(:), aux(:)
type(psb_d_vect_type) :: tx,ty
integer(psb_ipk_) :: ictxt,np,me
integer(psb_ipk_) :: err_act, ierr(5)
integer(psb_ipk_) :: debug_level, debug_unit
@ -346,6 +387,29 @@ subroutine psb_d_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
goto 9999
end if
case(psb_f_ainv_)
! Application of approximate inverse preconditioner, just some spmm
! call psb_spmm(alpha, a, x, beta, y,desc_a, info, &
! & trans, work)
select case(trans_)
case('N','T')
call psb_spmm(done,prec%av(psb_l_pr_),x,dzero,ww,desc_data,info,&
& trans=trans_, work=aux)
ww(1:n_row) = ww(1:n_row)*prec%dv%v%v(1:n_row)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info, trans=trans_, work=aux)
case('C')
call psb_spmm(done,prec%av(psb_l_pr_),x,dzero,ww,desc_data,info,&
& trans=trans_, work=aux)
ww(1:n_row) = ww(1:n_row)*(prec%dv%v%v(1:n_row))
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info, trans=trans_, work=aux)
end select
case default
info = psb_err_internal_error_
@ -402,9 +466,13 @@ subroutine psb_d_bjac_precinit(prec,info)
prec%iprcparm(psb_ilu_fill_in_) = 0
prec%iprcparm(psb_ilu_ialg_) = psb_ilu_n_
prec%iprcparm(psb_ilu_scale_) = psb_ilu_scale_none_
prec%iprcparm(psb_inv_fillin_) = 0
prec%iprcparm(psb_ainv_alg_) = psb_ainv_llk_
prec%rprcparm(:) = 0
prec%rprcparm(psb_fact_eps_) = 1E-1_psb_dpk_
prec%rprcparm(psb_inv_thresh_) = 1E-1_psb_dpk_
call psb_erractionrestore(err_act)
@ -420,6 +488,7 @@ subroutine psb_d_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
use psb_base_mod
use psb_d_ilu_fact_mod
use psb_d_ainv_fact_mod
use psb_d_bjacprec, psb_protect_name => psb_d_bjac_precbld
Implicit None
@ -432,12 +501,12 @@ subroutine psb_d_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
class(psb_i_base_vect_type), intent(in), optional :: imold
! .. Local Scalars ..
integer(psb_ipk_) :: i, m, ialg, fill_in, iscale
integer(psb_ipk_) :: i, m, ialg, fill_in, iscale, inv_fill, iinvalg
integer(psb_ipk_) :: ierr(5)
character :: trans, unitd
type(psb_dspmat_type), allocatable :: lf, uf
real(psb_dpk_), allocatable :: dd(:)
real(psb_dpk_) :: fact_eps
real(psb_dpk_) :: fact_eps, inv_thresh
integer(psb_ipk_) :: nztota, err_act, n_row, nrow_a,n_col, nhalo
integer(psb_ipk_) :: ictxt,np,me
character(len=20) :: name='d_bjac_precbld'
@ -468,8 +537,13 @@ subroutine psb_d_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
! We check if all the information contained in the preconditioner structure
! are meaningful, otherwise we give an error and get out of the build
! procedure
ialg = prec%iprcparm(psb_ilu_ialg_)
if ((ialg == psb_ilu_n_).or.(ialg == psb_milu_n_).or.(ialg == psb_ilu_t_)) then
ialg = prec%iprcparm(psb_ilu_ialg_) ! Integer for ILU type algorithm
iinvalg = prec%iprcparm(psb_ainv_alg_) ! Integer for AINV type algorithm
if ((ialg == psb_ilu_n_).or.(ialg == psb_milu_n_).or.&
& (ialg == psb_ilu_t_).or.(iinvalg == psb_ainv_llk_).or.&
& (iinvalg == psb_ainv_s_llk_).or.(iinvalg == psb_ainv_s_ft_llk_).or.&
& (iinvalg == psb_ainv_llk_noth_).or.(iinvalg == psb_ainv_mlk_).or.&
& (iinvalg == psb_ainv_lmx_)) then
! Do nothing: admissible request
else
info=psb_err_from_subroutine_
@ -492,24 +566,32 @@ subroutine psb_d_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
goto 9999
end if
fact_eps = prec%rprcparm(psb_fact_eps_)
if(fact_eps > 1 ) then
if( (fact_eps > 1).and.(prec%iprcparm(psb_f_type_) == psb_f_ainv_) ) then
info=psb_err_from_subroutine_
ch_err='psb_fact_eps_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
fill_in = prec%iprcparm(psb_ilu_fill_in_)
if(fill_in < 0) then
inv_thresh = prec%rprcparm(psb_inv_thresh_)
if( (inv_thresh > 1) ) then
info=psb_err_from_subroutine_
ch_err='psb_ilu_fill_in_'
ch_err='psb_fact_eps_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
else if (fill_in == 0) then
! If the requested level of fill is equal to zero, we default to the
! specialized ILU(0) routine
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
end if
fill_in = prec%iprcparm(psb_ilu_fill_in_)
if (prec%iprcparm(psb_f_type_) == psb_f_ilu_n_) then
if(fill_in < 0) then
info=psb_err_from_subroutine_
ch_err='psb_ilu_fill_in_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
else if (fill_in == 0) then
! If the requested level of fill is equal to zero, we default to the
! specialized ILU(0) routine
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
end if
end if
! Select on the type of factorization to be used
select case(prec%iprcparm(psb_f_type_))
@ -732,6 +814,78 @@ subroutine psb_d_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
goto 9999
end if
case(psb_f_ainv_)
! Approximate Inverse Factorizations based on variants of the incomplete
! biconjugation algorithms
if (allocated(prec%av)) then
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows()
nztota = a%get_nzeros()
n_col = desc_a%get_local_cols()
nhalo = n_col-nrow_a
n_row = nrow_a
allocate(lf,uf,stat=info)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info)
if (info == psb_success_) then
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_d_base_vect_type :: prec%dv%v,stat=info)
end if
end if
end if
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
endif
! Computin the factorization
call psb_ainv_fact(a,iinvalg,inv_fill,inv_thresh,lf,dd,uf,desc_a,info,iscale=iscale)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf%a)
call prec%av(psb_u_pr_)%mv_from(uf%a)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
! call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilut_fact'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
case(psb_f_none_)
info=psb_err_from_subroutine_
ch_err='Inconsistent prec psb_f_none_'
@ -792,6 +946,12 @@ subroutine psb_d_bjac_precseti(prec,what,val,info)
case (psb_ilu_scale_)
prec%iprcparm(psb_ilu_scale_) = val
case (psb_ainv_alg_)
prec%iprcparm(psb_ainv_alg_) = val
case(psb_inv_fillin_)
prec%iprcparm(psb_inv_fillin_) = val
case default
write(psb_err_unit,'(i0," is invalid, ignoring user specification")') what
@ -833,6 +993,9 @@ subroutine psb_d_bjac_precsetr(prec,what,val,info)
case (psb_fact_eps_)
prec%rprcparm(psb_fact_eps_) = val
case (psb_inv_thresh_)
prec%rprcparm(psb_inv_thresh_) = val
case default
write(psb_err_unit,'(i0," is invalid, ignoring user specification")') what

19
prec/impl/psb_d_prec_type_impl.f90
Unescape Escape View File

@ -356,6 +356,8 @@ subroutine psb_dcprecseti(prec,what,val,info,ilev,ilmax,pos,idx)
select case (psb_toupper(what))
case ("SUB_FILLIN")
call prec%prec%precset(psb_ilu_fill_in_,val,info)
case('INV_FILLIN')
call prec%prec%precset(psb_inv_fillin_,val,info)
case default
info = psb_err_invalid_args_combination_
write(psb_err_unit,*) name,&
@ -390,6 +392,8 @@ subroutine psb_dcprecsetr(prec,what,val,info,ilev,ilmax,pos,idx)
select case (psb_toupper(what))
case('SUB_ILUTHRS')
call prec%prec%precset(psb_fact_eps_,val,info)
case('INV_THRESH')
call prec%prec%precset(psb_inv_thresh_,val,info)
case default
info = psb_err_invalid_args_combination_
write(psb_err_unit,*) name,&
@ -431,6 +435,8 @@ subroutine psb_dcprecsetc(prec,what,string,info,ilev,ilmax,pos,idx)
case("ILUT")
call prec%prec%precset(psb_f_type_,psb_f_ilu_t_,info)
call prec%prec%precset(psb_ilu_ialg_,psb_ilu_t_,info)
case("AINV")
call prec%prec%precset(psb_f_type_,psb_f_ainv_,info)
case default
! Default to ILU(0) factorization
call prec%prec%precset(psb_f_type_,psb_f_ilu_n_,info)
@ -450,6 +456,19 @@ subroutine psb_dcprecsetc(prec,what,string,info,ilev,ilmax,pos,idx)
case default
call prec%prec%precset(psb_ilu_scale_,psb_ilu_scale_none_,info)
end select
case ("AINV_ALG")
select case (psb_toupper(string))
case("LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_llk_,info)
case("SYM-LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_s_llk_,info)
case("STAB-LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_s_ft_llk_,info)
case("MLK","LMX")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_mlk_,info)
case default
call prec%prec%precset(psb_ainv_alg_,psb_ainv_llk_,info)
end select
case default
end select

8
prec/impl/psb_d_sparsify.f90
Unescape Escape View File

@ -63,7 +63,7 @@
! POSSIBILITY OF SUCH DAMAGE.
!
!
subroutine amg_d_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,iheap,ikr)
subroutine psb_d_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,iheap,ikr)
use psb_base_mod
implicit none
@ -177,10 +177,10 @@ subroutine amg_d_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,ihe
return
end subroutine amg_d_sparsify
end subroutine psb_d_sparsify
subroutine amg_d_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,listv,ikr,info)
subroutine psb_d_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,listv,ikr,info)
use psb_base_mod
implicit none
@ -258,4 +258,4 @@ subroutine amg_d_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,list
return
end subroutine amg_d_sparsify_list
end subroutine psb_d_sparsify_list

4
prec/impl/psb_drwclip.f90
Unescape Escape View File

@ -63,7 +63,7 @@
! POSSIBILITY OF SUCH DAMAGE.
!
!
subroutine amg_d_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
subroutine psb_d_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
use psb_base_mod
implicit none
@ -87,4 +87,4 @@ subroutine amg_d_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
end if
end do
nz = j
end subroutine amg_d_rwclip
end subroutine psb_d_rwclip

3
prec/impl/psb_dsparse_biconjg_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_dsparse_biconjg_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_d_ainv_tools_mod
use psb_d_biconjg_mod, psb_protect_name => psb_dsparse_biconjg_llk
!
! Left-looking variant
@ -224,6 +224,7 @@ subroutine psb_dsparse_biconjg_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
!
! Sparsify current ZVAL and put into ZMAT
!
write(psb_out_unit,'("z(1) = ",f16.14)') zval(1)
call sparsify(i,nzrmax,sp_thresh,n,zval,nzrz,ia,val,info,iheap=heap,ikr=izkr)
if (info /= psb_success_) then
info = psb_err_internal_error_

2
prec/impl/psb_dsparse_biconjg_llk_noth.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_dsparse_biconjg_llk_noth(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_d_ainv_tools_mod
use psb_d_biconjg_mod, psb_protect_name => psb_dsparse_biconjg_llk_noth
!

2
prec/impl/psb_dsparse_biconjg_mlk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_dsparse_biconjg_mlk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_d_ainv_tools_mod
use psb_d_biconjg_mod, psb_protect_name => psb_dsparse_biconjg_mlk
!
! Left-looking variant

2
prec/impl/psb_dsparse_biconjg_s_ft_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_dsparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_d_ainv_tools_mod
use psb_d_biconjg_mod, psb_protect_name => psb_dsparse_biconjg_s_ft_llk
!

2
prec/impl/psb_dsparse_biconjg_s_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_dsparse_biconjg_s_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_d_ainv_tools_mod
use psb_d_biconjg_mod, psb_protect_name => psb_dsparse_biconjg_s_llk
!

224
prec/impl/psb_s_ainv_bld.f90
Unescape Escape View File

@ -0,0 +1,224 @@
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
! Moved here from AMG-AINV, original copyright below.
!
!
! AMG-AINV: Approximate Inverse plugin for
! AMG4PSBLAS version 1.0
!
! (C) Copyright 2020
!
! Salvatore Filippone University of Rome Tor Vergata
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the AMG4PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
subroutine psb_s_ainv_bld(a,alg,fillin,thresh,wmat,d,zmat,desc,info,blck,iscale)
use psb_base_mod
use psb_prec_const_mod
use psb_s_biconjg_mod
implicit none
! Arguments
type(psb_sspmat_type), intent(in), target :: a
integer(psb_ipk_), intent(in) :: fillin,alg
real(psb_spk_), intent(in) :: thresh
type(psb_sspmat_type), intent(inout) :: wmat, zmat
real(psb_spk_), allocatable :: d(:)
Type(psb_desc_type), Intent(in) :: desc
integer(psb_ipk_), intent(out) :: info
type(psb_sspmat_type), intent(in), optional :: blck
integer(psb_ipk_), intent(in), optional :: iscale
!
integer(psb_ipk_) :: i, nztota, err_act, n_row, nrow_a
type(psb_s_coo_sparse_mat) :: acoo
type(psb_s_csr_sparse_mat) :: acsr
type(psb_sspmat_type) :: atmp
real(psb_spk_), allocatable :: arws(:), acls(:)
real(psb_spk_), allocatable :: pq(:), ad(:)
integer(psb_ipk_) :: debug_level, debug_unit
integer(psb_ipk_) :: ictxt,np,me
integer(psb_ipk_) :: nzrmax, iscale_
real(psb_spk_) :: sp_thresh
real(psb_spk_) :: weight
character(len=20) :: name, ch_err
info = psb_success_
name = 'psb_sainv_bld'
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_; goto 9999
end if
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = psb_cd_get_context(desc)
call psb_info(ictxt, me, np)
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' start'
iscale_ = psb_ilu_scale_none_
if (present(iscale)) iscale_ = iscale
weight = sone
!
! Check the memory available to hold the W and Z factors
! and allocate it if needed
!
nrow_a = a%get_nrows()
nztota = a%get_nzeros()
if (present(blck)) then
nztota = nztota + blck%get_nzeros()
end if
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),&
& ': out get_nnzeros',nrow_a,nztota,&
& a%get_nrows(),a%get_ncols(),a%get_nzeros()
n_row = desc%get_local_rows()
allocate(pq(n_row),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
nzrmax = fillin
sp_thresh = thresh
!
! Ok, let's start first with Z (i.e. Upper)
!
call a%csclip(acoo,info,imax=n_row,jmax=n_row)
call acsr%mv_from_coo(acoo,info)
select case(iscale_)
case(psb_ilu_scale_none_)
! Ok, do nothing.
case(psb_ilu_scale_maxval_)
weight = acsr%maxval()
weight = sone/weight
call acsr%scal(weight,info)
case(psb_ilu_scale_arcsum_)
allocate(arws(n_row),acls(n_row),ad(n_row),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call acsr%arwsum(arws)
call acsr%aclsum(acls)
ad(1:n_row) = sqrt(sqrt(arws(1:n_row)*acls(1:n_row)))
ad(1:n_row) = sone/ad(1:n_row)
call acsr%scal(ad,info,side='L')
call acsr%scal(ad,info,side='R')
case default
call psb_errpush(psb_err_from_subroutine_,name,a_err='wrong iscale')
goto 9999
end select
!
! Here for the actual workhorses.
! Only biconjg is surviving for now....
!
call psb_sparse_biconjg(alg,n_row,acsr,pq,&
& zmat,wmat,nzrmax,sp_thresh,info)
! Done. Hopefully....
if (info /= psb_success_) then
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='sparse_biconjg')
goto 9999
end if
call atmp%mv_from(acsr)
!
! Is this right???
!
do i=1, n_row
if (abs(pq(i)) < d_epstol) then
pq(i) = sone
else
pq(i) = sone/pq(i)
end if
end do
select case(iscale_)
case(psb_ilu_scale_none_)
! Ok, do nothing.
case(psb_ilu_scale_maxval_)
pq(:) = pq(:)*weight
case(psb_ilu_scale_arcsum_)
call zmat%scal(ad,info,side='L')
call wmat%scal(ad,info,side='R')
case default
call psb_errpush(psb_err_from_subroutine_,name,a_err='wrong iscale')
goto 9999
end select
call psb_move_alloc(pq,d,info)
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' end'
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_ainv_bld

189
prec/impl/psb_s_bjacprec_impl.f90
Unescape Escape View File

@ -195,6 +195,46 @@ subroutine psb_s_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
goto 9999
end if
case(psb_f_ainv_)
select case(trans_)
case('N')
call psb_spmm(sone,prec%av(psb_l_pr_),x,szero,wv,desc_data,info,&
& trans=trans_, work=aux)
call wv1%mlt(sone,prec%dv,wv,szero,info)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_, work=aux)
case('T')
call psb_spmm(sone,prec%av(psb_u_pr_),x,szero,wv,desc_data,info,&
& trans=trans_, work=aux)
call wv1%mlt(sone,prec%dv,wv,szero,info)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv1,&
& beta,y,desc_data,info,&
& trans=trans_,work=aux)
case('C')
call psb_spmm(sone,prec%av(psb_u_pr_),x,szero,wv,desc_data,info,&
& trans=trans_,work=aux)
call wv1%mlt(sone,prec%dv,wv,szero,info,conjgx=trans_)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv1,&
& beta,y,desc_data,info,&
& trans=trans_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
@ -242,6 +282,7 @@ subroutine psb_s_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
! Local variables
integer(psb_ipk_) :: n_row,n_col
real(psb_spk_), pointer :: ww(:), aux(:)
type(psb_d_vect_type) :: tx,ty
integer(psb_ipk_) :: ictxt,np,me
integer(psb_ipk_) :: err_act, ierr(5)
integer(psb_ipk_) :: debug_level, debug_unit
@ -346,6 +387,29 @@ subroutine psb_s_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
goto 9999
end if
case(psb_f_ainv_)
! Application of approximate inverse preconditioner, just some spmm
! call psb_spmm(alpha, a, x, beta, y,desc_a, info, &
! & trans, work)
select case(trans_)
case('N','T')
call psb_spmm(sone,prec%av(psb_l_pr_),x,szero,ww,desc_data,info,&
& trans=trans_, work=aux)
ww(1:n_row) = ww(1:n_row)*prec%dv%v%v(1:n_row)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info, trans=trans_, work=aux)
case('C')
call psb_spmm(sone,prec%av(psb_l_pr_),x,szero,ww,desc_data,info,&
& trans=trans_, work=aux)
ww(1:n_row) = ww(1:n_row)*(prec%dv%v%v(1:n_row))
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info, trans=trans_, work=aux)
end select
case default
info = psb_err_internal_error_
@ -402,9 +466,13 @@ subroutine psb_s_bjac_precinit(prec,info)
prec%iprcparm(psb_ilu_fill_in_) = 0
prec%iprcparm(psb_ilu_ialg_) = psb_ilu_n_
prec%iprcparm(psb_ilu_scale_) = psb_ilu_scale_none_
prec%iprcparm(psb_inv_fillin_) = 0
prec%iprcparm(psb_ainv_alg_) = psb_ainv_llk_
prec%rprcparm(:) = 0
prec%rprcparm(psb_fact_eps_) = 1E-1_psb_spk_
prec%rprcparm(psb_inv_thresh_) = 1E-1_psb_spk_
call psb_erractionrestore(err_act)
@ -420,6 +488,7 @@ subroutine psb_s_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
use psb_base_mod
use psb_s_ilu_fact_mod
use psb_s_ainv_fact_mod
use psb_s_bjacprec, psb_protect_name => psb_s_bjac_precbld
Implicit None
@ -432,12 +501,12 @@ subroutine psb_s_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
class(psb_i_base_vect_type), intent(in), optional :: imold
! .. Local Scalars ..
integer(psb_ipk_) :: i, m, ialg, fill_in, iscale
integer(psb_ipk_) :: i, m, ialg, fill_in, iscale, inv_fill, iinvalg
integer(psb_ipk_) :: ierr(5)
character :: trans, unitd
type(psb_sspmat_type), allocatable :: lf, uf
real(psb_spk_), allocatable :: dd(:)
real(psb_spk_) :: fact_eps
real(psb_spk_) :: fact_eps, inv_thresh
integer(psb_ipk_) :: nztota, err_act, n_row, nrow_a,n_col, nhalo
integer(psb_ipk_) :: ictxt,np,me
character(len=20) :: name='s_bjac_precbld'
@ -468,8 +537,13 @@ subroutine psb_s_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
! We check if all the information contained in the preconditioner structure
! are meaningful, otherwise we give an error and get out of the build
! procedure
ialg = prec%iprcparm(psb_ilu_ialg_)
if ((ialg == psb_ilu_n_).or.(ialg == psb_milu_n_).or.(ialg == psb_ilu_t_)) then
ialg = prec%iprcparm(psb_ilu_ialg_) ! Integer for ILU type algorithm
iinvalg = prec%iprcparm(psb_ainv_alg_) ! Integer for AINV type algorithm
if ((ialg == psb_ilu_n_).or.(ialg == psb_milu_n_).or.&
& (ialg == psb_ilu_t_).or.(iinvalg == psb_ainv_llk_).or.&
& (iinvalg == psb_ainv_s_llk_).or.(iinvalg == psb_ainv_s_ft_llk_).or.&
& (iinvalg == psb_ainv_llk_noth_).or.(iinvalg == psb_ainv_mlk_).or.&
& (iinvalg == psb_ainv_lmx_)) then
! Do nothing: admissible request
else
info=psb_err_from_subroutine_
@ -492,24 +566,32 @@ subroutine psb_s_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
goto 9999
end if
fact_eps = prec%rprcparm(psb_fact_eps_)
if(fact_eps > 1 ) then
if( (fact_eps > 1).and.(prec%iprcparm(psb_f_type_) == psb_f_ainv_) ) then
info=psb_err_from_subroutine_
ch_err='psb_fact_eps_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
fill_in = prec%iprcparm(psb_ilu_fill_in_)
if(fill_in < 0) then
inv_thresh = prec%rprcparm(psb_inv_thresh_)
if( (inv_thresh > 1) ) then
info=psb_err_from_subroutine_
ch_err='psb_ilu_fill_in_'
ch_err='psb_fact_eps_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
else if (fill_in == 0) then
! If the requested level of fill is equal to zero, we default to the
! specialized ILU(0) routine
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
end if
fill_in = prec%iprcparm(psb_ilu_fill_in_)
if (prec%iprcparm(psb_f_type_) == psb_f_ilu_n_) then
if(fill_in < 0) then
info=psb_err_from_subroutine_
ch_err='psb_ilu_fill_in_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
else if (fill_in == 0) then
! If the requested level of fill is equal to zero, we default to the
! specialized ILU(0) routine
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
end if
end if
! Select on the type of factorization to be used
select case(prec%iprcparm(psb_f_type_))
@ -732,6 +814,78 @@ subroutine psb_s_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
goto 9999
end if
case(psb_f_ainv_)
! Approximate Inverse Factorizations based on variants of the incomplete
! biconjugation algorithms
if (allocated(prec%av)) then
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows()
nztota = a%get_nzeros()
n_col = desc_a%get_local_cols()
nhalo = n_col-nrow_a
n_row = nrow_a
allocate(lf,uf,stat=info)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info)
if (info == psb_success_) then
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_s_base_vect_type :: prec%dv%v,stat=info)
end if
end if
end if
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
endif
! Computin the factorization
call psb_ainv_fact(a,iinvalg,inv_fill,inv_thresh,lf,dd,uf,desc_a,info,iscale=iscale)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf%a)
call prec%av(psb_u_pr_)%mv_from(uf%a)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
! call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilut_fact'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
case(psb_f_none_)
info=psb_err_from_subroutine_
ch_err='Inconsistent prec psb_f_none_'
@ -792,6 +946,12 @@ subroutine psb_s_bjac_precseti(prec,what,val,info)
case (psb_ilu_scale_)
prec%iprcparm(psb_ilu_scale_) = val
case (psb_ainv_alg_)
prec%iprcparm(psb_ainv_alg_) = val
case(psb_inv_fillin_)
prec%iprcparm(psb_inv_fillin_) = val
case default
write(psb_err_unit,'(i0," is invalid, ignoring user specification")') what
@ -833,6 +993,9 @@ subroutine psb_s_bjac_precsetr(prec,what,val,info)
case (psb_fact_eps_)
prec%rprcparm(psb_fact_eps_) = val
case (psb_inv_thresh_)
prec%rprcparm(psb_inv_thresh_) = val
case default
write(psb_err_unit,'(i0," is invalid, ignoring user specification")') what

19
prec/impl/psb_s_prec_type_impl.f90
Unescape Escape View File

@ -356,6 +356,8 @@ subroutine psb_scprecseti(prec,what,val,info,ilev,ilmax,pos,idx)
select case (psb_toupper(what))
case ("SUB_FILLIN")
call prec%prec%precset(psb_ilu_fill_in_,val,info)
case('INV_FILLIN')
call prec%prec%precset(psb_inv_fillin_,val,info)
case default
info = psb_err_invalid_args_combination_
write(psb_err_unit,*) name,&
@ -390,6 +392,8 @@ subroutine psb_scprecsetr(prec,what,val,info,ilev,ilmax,pos,idx)
select case (psb_toupper(what))
case('SUB_ILUTHRS')
call prec%prec%precset(psb_fact_eps_,val,info)
case('INV_THRESH')
call prec%prec%precset(psb_inv_thresh_,val,info)
case default
info = psb_err_invalid_args_combination_
write(psb_err_unit,*) name,&
@ -431,6 +435,8 @@ subroutine psb_scprecsetc(prec,what,string,info,ilev,ilmax,pos,idx)
case("ILUT")
call prec%prec%precset(psb_f_type_,psb_f_ilu_t_,info)
call prec%prec%precset(psb_ilu_ialg_,psb_ilu_t_,info)
case("AINV")
call prec%prec%precset(psb_f_type_,psb_f_ainv_,info)
case default
! Default to ILU(0) factorization
call prec%prec%precset(psb_f_type_,psb_f_ilu_n_,info)
@ -450,6 +456,19 @@ subroutine psb_scprecsetc(prec,what,string,info,ilev,ilmax,pos,idx)
case default
call prec%prec%precset(psb_ilu_scale_,psb_ilu_scale_none_,info)
end select
case ("AINV_ALG")
select case (psb_toupper(string))
case("LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_llk_,info)
case("SYM-LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_s_llk_,info)
case("STAB-LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_s_ft_llk_,info)
case("MLK","LMX")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_mlk_,info)
case default
call prec%prec%precset(psb_ainv_alg_,psb_ainv_llk_,info)
end select
case default
end select

8
prec/impl/psb_s_sparsify.f90
Unescape Escape View File

@ -63,7 +63,7 @@
! POSSIBILITY OF SUCH DAMAGE.
!
!
subroutine amg_s_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,iheap,ikr)
subroutine psb_s_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,iheap,ikr)
use psb_base_mod
implicit none
@ -177,10 +177,10 @@ subroutine amg_s_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,ihe
return
end subroutine amg_s_sparsify
end subroutine psb_s_sparsify
subroutine amg_s_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,listv,ikr,info)
subroutine psb_s_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,listv,ikr,info)
use psb_base_mod
implicit none
@ -258,4 +258,4 @@ subroutine amg_s_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,list
return
end subroutine amg_s_sparsify_list
end subroutine psb_s_sparsify_list

4
prec/impl/psb_srwclip.f90
Unescape Escape View File

@ -63,7 +63,7 @@
! POSSIBILITY OF SUCH DAMAGE.
!
!
subroutine amg_s_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
subroutine psb_s_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
use psb_base_mod
implicit none
@ -87,4 +87,4 @@ subroutine amg_s_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
end if
end do
nz = j
end subroutine amg_s_rwclip
end subroutine psb_s_rwclip

3
prec/impl/psb_ssparse_biconjg_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_ssparse_biconjg_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_s_ainv_tools_mod
use psb_s_biconjg_mod, psb_protect_name => psb_ssparse_biconjg_llk
!
! Left-looking variant
@ -224,6 +224,7 @@ subroutine psb_ssparse_biconjg_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
!
! Sparsify current ZVAL and put into ZMAT
!
write(psb_out_unit,'("z(1) = ",f16.14)') zval(1)
call sparsify(i,nzrmax,sp_thresh,n,zval,nzrz,ia,val,info,iheap=heap,ikr=izkr)
if (info /= psb_success_) then
info = psb_err_internal_error_

2
prec/impl/psb_ssparse_biconjg_llk_noth.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_ssparse_biconjg_llk_noth(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_s_ainv_tools_mod
use psb_s_biconjg_mod, psb_protect_name => psb_ssparse_biconjg_llk_noth
!

2
prec/impl/psb_ssparse_biconjg_mlk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_ssparse_biconjg_mlk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_s_ainv_tools_mod
use psb_s_biconjg_mod, psb_protect_name => psb_ssparse_biconjg_mlk
!
! Left-looking variant

8
prec/impl/psb_ssparse_biconjg_s_ft_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_ssparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_s_ainv_tools_mod
use psb_s_biconjg_mod, psb_protect_name => psb_ssparse_biconjg_s_ft_llk
!
@ -164,7 +164,7 @@ subroutine psb_ssparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
ip2 = w%icp(j+1) - 1
nzra = max(0,ip2 - ip1 + 1)
nzww = 0
call psb_d_spvspm(sone,a,nzra,w%ia(ip1:ip2),w%val(ip1:ip2),&
call psb_s_spvspm(sone,a,nzra,w%ia(ip1:ip2),w%val(ip1:ip2),&
& szero,nzww,iww,ww,info)
p(i) = psb_spge_dot(nzww,iww,ww,zval)
@ -299,7 +299,7 @@ subroutine psb_ssparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
ip2 = z%icp(j+1) - 1
nzra = max(0,ip2 - ip1 + 1)
nzww = 0
call psb_d_spmspv(sone,ac,nzra,z%ia(ip1:ip2),z%val(ip1:ip2),&
call psb_s_spmspv(sone,ac,nzra,z%ia(ip1:ip2),z%val(ip1:ip2),&
& szero,nzww,iww,ww,info)
q(i) = psb_spge_dot(nzww,iww,ww,zval)
@ -384,7 +384,7 @@ subroutine psb_ssparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
nzww = 0
nzrz = z%icp(i+1)-z%icp(i)
ipz1 = z%icp(i)
call psb_d_spmspv(sone,ac,&
call psb_s_spmspv(sone,ac,&
& nzrz,z%ia(ipz1:ipz1+nzrz-1),z%val(ipz1:ipz1+nzrz-1),&
& szero,nzww,iww,ww,info)
tmpq = psb_spdot_srtd(nzww,iww,ww,nzrw,ia,val)

2
prec/impl/psb_ssparse_biconjg_s_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_ssparse_biconjg_s_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_s_ainv_tools_mod
use psb_s_biconjg_mod, psb_protect_name => psb_ssparse_biconjg_s_llk
!

224
prec/impl/psb_z_ainv_bld.f90
Unescape Escape View File

@ -0,0 +1,224 @@
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
! Moved here from AMG-AINV, original copyright below.
!
!
! AMG-AINV: Approximate Inverse plugin for
! AMG4PSBLAS version 1.0
!
! (C) Copyright 2020
!
! Salvatore Filippone University of Rome Tor Vergata
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the AMG4PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
subroutine psb_z_ainv_bld(a,alg,fillin,thresh,wmat,d,zmat,desc,info,blck,iscale)
use psb_base_mod
use psb_prec_const_mod
use psb_z_biconjg_mod
implicit none
! Arguments
type(psb_zspmat_type), intent(in), target :: a
integer(psb_ipk_), intent(in) :: fillin,alg
real(psb_dpk_), intent(in) :: thresh
type(psb_zspmat_type), intent(inout) :: wmat, zmat
complex(psb_dpk_), allocatable :: d(:)
Type(psb_desc_type), Intent(in) :: desc
integer(psb_ipk_), intent(out) :: info
type(psb_zspmat_type), intent(in), optional :: blck
integer(psb_ipk_), intent(in), optional :: iscale
!
integer(psb_ipk_) :: i, nztota, err_act, n_row, nrow_a
type(psb_z_coo_sparse_mat) :: acoo
type(psb_z_csr_sparse_mat) :: acsr
type(psb_zspmat_type) :: atmp
real(psb_dpk_), allocatable :: arws(:), acls(:)
complex(psb_dpk_), allocatable :: pq(:), ad(:)
integer(psb_ipk_) :: debug_level, debug_unit
integer(psb_ipk_) :: ictxt,np,me
integer(psb_ipk_) :: nzrmax, iscale_
real(psb_dpk_) :: sp_thresh
complex(psb_dpk_) :: weight
character(len=20) :: name, ch_err
info = psb_success_
name = 'psb_zainv_bld'
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_; goto 9999
end if
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = psb_cd_get_context(desc)
call psb_info(ictxt, me, np)
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' start'
iscale_ = psb_ilu_scale_none_
if (present(iscale)) iscale_ = iscale
weight = zone
!
! Check the memory available to hold the W and Z factors
! and allocate it if needed
!
nrow_a = a%get_nrows()
nztota = a%get_nzeros()
if (present(blck)) then
nztota = nztota + blck%get_nzeros()
end if
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),&
& ': out get_nnzeros',nrow_a,nztota,&
& a%get_nrows(),a%get_ncols(),a%get_nzeros()
n_row = desc%get_local_rows()
allocate(pq(n_row),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
nzrmax = fillin
sp_thresh = thresh
!
! Ok, let's start first with Z (i.e. Upper)
!
call a%csclip(acoo,info,imax=n_row,jmax=n_row)
call acsr%mv_from_coo(acoo,info)
select case(iscale_)
case(psb_ilu_scale_none_)
! Ok, do nothing.
case(psb_ilu_scale_maxval_)
weight = acsr%maxval()
weight = zone/weight
call acsr%scal(weight,info)
case(psb_ilu_scale_arcsum_)
allocate(arws(n_row),acls(n_row),ad(n_row),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call acsr%arwsum(arws)
call acsr%aclsum(acls)
ad(1:n_row) = sqrt(sqrt(arws(1:n_row)*acls(1:n_row)))
ad(1:n_row) = zone/ad(1:n_row)
call acsr%scal(ad,info,side='L')
call acsr%scal(ad,info,side='R')
case default
call psb_errpush(psb_err_from_subroutine_,name,a_err='wrong iscale')
goto 9999
end select
!
! Here for the actual workhorses.
! Only biconjg is surviving for now....
!
call psb_sparse_biconjg(alg,n_row,acsr,pq,&
& zmat,wmat,nzrmax,sp_thresh,info)
! Done. Hopefully....
if (info /= psb_success_) then
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='sparse_biconjg')
goto 9999
end if
call atmp%mv_from(acsr)
!
! Is this right???
!
do i=1, n_row
if (abs(pq(i)) < d_epstol) then
pq(i) = zone
else
pq(i) = zone/pq(i)
end if
end do
select case(iscale_)
case(psb_ilu_scale_none_)
! Ok, do nothing.
case(psb_ilu_scale_maxval_)
pq(:) = pq(:)*weight
case(psb_ilu_scale_arcsum_)
call zmat%scal(ad,info,side='L')
call wmat%scal(ad,info,side='R')
case default
call psb_errpush(psb_err_from_subroutine_,name,a_err='wrong iscale')
goto 9999
end select
call psb_move_alloc(pq,d,info)
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' end'
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_z_ainv_bld

189
prec/impl/psb_z_bjacprec_impl.f90
Unescape Escape View File

@ -195,6 +195,46 @@ subroutine psb_z_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
goto 9999
end if
case(psb_f_ainv_)
select case(trans_)
case('N')
call psb_spmm(zone,prec%av(psb_l_pr_),x,zzero,wv,desc_data,info,&
& trans=trans_, work=aux)
call wv1%mlt(zone,prec%dv,wv,zzero,info)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_, work=aux)
case('T')
call psb_spmm(zone,prec%av(psb_u_pr_),x,zzero,wv,desc_data,info,&
& trans=trans_, work=aux)
call wv1%mlt(zone,prec%dv,wv,zzero,info)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv1,&
& beta,y,desc_data,info,&
& trans=trans_,work=aux)
case('C')
call psb_spmm(zone,prec%av(psb_u_pr_),x,zzero,wv,desc_data,info,&
& trans=trans_,work=aux)
call wv1%mlt(zone,prec%dv,wv,zzero,info,conjgx=trans_)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv1,&
& beta,y,desc_data,info,&
& trans=trans_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
@ -242,6 +282,7 @@ subroutine psb_z_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
! Local variables
integer(psb_ipk_) :: n_row,n_col
complex(psb_dpk_), pointer :: ww(:), aux(:)
type(psb_d_vect_type) :: tx,ty
integer(psb_ipk_) :: ictxt,np,me
integer(psb_ipk_) :: err_act, ierr(5)
integer(psb_ipk_) :: debug_level, debug_unit
@ -346,6 +387,29 @@ subroutine psb_z_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
goto 9999
end if
case(psb_f_ainv_)
! Application of approximate inverse preconditioner, just some spmm
! call psb_spmm(alpha, a, x, beta, y,desc_a, info, &
! & trans, work)
select case(trans_)
case('N','T')
call psb_spmm(zone,prec%av(psb_l_pr_),x,zzero,ww,desc_data,info,&
& trans=trans_, work=aux)
ww(1:n_row) = ww(1:n_row)*prec%dv%v%v(1:n_row)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info, trans=trans_, work=aux)
case('C')
call psb_spmm(zone,prec%av(psb_l_pr_),x,zzero,ww,desc_data,info,&
& trans=trans_, work=aux)
ww(1:n_row) = ww(1:n_row)*conjg(prec%dv%v%v(1:n_row))
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info, trans=trans_, work=aux)
end select
case default
info = psb_err_internal_error_
@ -402,9 +466,13 @@ subroutine psb_z_bjac_precinit(prec,info)
prec%iprcparm(psb_ilu_fill_in_) = 0
prec%iprcparm(psb_ilu_ialg_) = psb_ilu_n_
prec%iprcparm(psb_ilu_scale_) = psb_ilu_scale_none_
prec%iprcparm(psb_inv_fillin_) = 0
prec%iprcparm(psb_ainv_alg_) = psb_ainv_llk_
prec%rprcparm(:) = 0
prec%rprcparm(psb_fact_eps_) = 1E-1_psb_dpk_
prec%rprcparm(psb_inv_thresh_) = 1E-1_psb_dpk_
call psb_erractionrestore(err_act)
@ -420,6 +488,7 @@ subroutine psb_z_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
use psb_base_mod
use psb_z_ilu_fact_mod
use psb_z_ainv_fact_mod
use psb_z_bjacprec, psb_protect_name => psb_z_bjac_precbld
Implicit None
@ -432,12 +501,12 @@ subroutine psb_z_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
class(psb_i_base_vect_type), intent(in), optional :: imold
! .. Local Scalars ..
integer(psb_ipk_) :: i, m, ialg, fill_in, iscale
integer(psb_ipk_) :: i, m, ialg, fill_in, iscale, inv_fill, iinvalg
integer(psb_ipk_) :: ierr(5)
character :: trans, unitd
type(psb_zspmat_type), allocatable :: lf, uf
complex(psb_dpk_), allocatable :: dd(:)
real(psb_dpk_) :: fact_eps
real(psb_dpk_) :: fact_eps, inv_thresh
integer(psb_ipk_) :: nztota, err_act, n_row, nrow_a,n_col, nhalo
integer(psb_ipk_) :: ictxt,np,me
character(len=20) :: name='z_bjac_precbld'
@ -468,8 +537,13 @@ subroutine psb_z_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
! We check if all the information contained in the preconditioner structure
! are meaningful, otherwise we give an error and get out of the build
! procedure
ialg = prec%iprcparm(psb_ilu_ialg_)
if ((ialg == psb_ilu_n_).or.(ialg == psb_milu_n_).or.(ialg == psb_ilu_t_)) then
ialg = prec%iprcparm(psb_ilu_ialg_) ! Integer for ILU type algorithm
iinvalg = prec%iprcparm(psb_ainv_alg_) ! Integer for AINV type algorithm
if ((ialg == psb_ilu_n_).or.(ialg == psb_milu_n_).or.&
& (ialg == psb_ilu_t_).or.(iinvalg == psb_ainv_llk_).or.&
& (iinvalg == psb_ainv_s_llk_).or.(iinvalg == psb_ainv_s_ft_llk_).or.&
& (iinvalg == psb_ainv_llk_noth_).or.(iinvalg == psb_ainv_mlk_).or.&
& (iinvalg == psb_ainv_lmx_)) then
! Do nothing: admissible request
else
info=psb_err_from_subroutine_
@ -492,24 +566,32 @@ subroutine psb_z_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
goto 9999
end if
fact_eps = prec%rprcparm(psb_fact_eps_)
if(fact_eps > 1 ) then
if( (fact_eps > 1).and.(prec%iprcparm(psb_f_type_) == psb_f_ainv_) ) then
info=psb_err_from_subroutine_
ch_err='psb_fact_eps_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
fill_in = prec%iprcparm(psb_ilu_fill_in_)
if(fill_in < 0) then
inv_thresh = prec%rprcparm(psb_inv_thresh_)
if( (inv_thresh > 1) ) then
info=psb_err_from_subroutine_
ch_err='psb_ilu_fill_in_'
ch_err='psb_fact_eps_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
else if (fill_in == 0) then
! If the requested level of fill is equal to zero, we default to the
! specialized ILU(0) routine
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
end if
fill_in = prec%iprcparm(psb_ilu_fill_in_)
if (prec%iprcparm(psb_f_type_) == psb_f_ilu_n_) then
if(fill_in < 0) then
info=psb_err_from_subroutine_
ch_err='psb_ilu_fill_in_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
else if (fill_in == 0) then
! If the requested level of fill is equal to zero, we default to the
! specialized ILU(0) routine
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
end if
end if
! Select on the type of factorization to be used
select case(prec%iprcparm(psb_f_type_))
@ -732,6 +814,78 @@ subroutine psb_z_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
goto 9999
end if
case(psb_f_ainv_)
! Approximate Inverse Factorizations based on variants of the incomplete
! biconjugation algorithms
if (allocated(prec%av)) then
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows()
nztota = a%get_nzeros()
n_col = desc_a%get_local_cols()
nhalo = n_col-nrow_a
n_row = nrow_a
allocate(lf,uf,stat=info)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info)
if (info == psb_success_) then
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_z_base_vect_type :: prec%dv%v,stat=info)
end if
end if
end if
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
endif
! Computin the factorization
call psb_ainv_fact(a,iinvalg,inv_fill,inv_thresh,lf,dd,uf,desc_a,info,iscale=iscale)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf%a)
call prec%av(psb_u_pr_)%mv_from(uf%a)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
! call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilut_fact'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
case(psb_f_none_)
info=psb_err_from_subroutine_
ch_err='Inconsistent prec psb_f_none_'
@ -792,6 +946,12 @@ subroutine psb_z_bjac_precseti(prec,what,val,info)
case (psb_ilu_scale_)
prec%iprcparm(psb_ilu_scale_) = val
case (psb_ainv_alg_)
prec%iprcparm(psb_ainv_alg_) = val
case(psb_inv_fillin_)
prec%iprcparm(psb_inv_fillin_) = val
case default
write(psb_err_unit,'(i0," is invalid, ignoring user specification")') what
@ -833,6 +993,9 @@ subroutine psb_z_bjac_precsetr(prec,what,val,info)
case (psb_fact_eps_)
prec%rprcparm(psb_fact_eps_) = val
case (psb_inv_thresh_)
prec%rprcparm(psb_inv_thresh_) = val
case default
write(psb_err_unit,'(i0," is invalid, ignoring user specification")') what

19
prec/impl/psb_z_prec_type_impl.f90
Unescape Escape View File

@ -356,6 +356,8 @@ subroutine psb_zcprecseti(prec,what,val,info,ilev,ilmax,pos,idx)
select case (psb_toupper(what))
case ("SUB_FILLIN")
call prec%prec%precset(psb_ilu_fill_in_,val,info)
case('INV_FILLIN')
call prec%prec%precset(psb_inv_fillin_,val,info)
case default
info = psb_err_invalid_args_combination_
write(psb_err_unit,*) name,&
@ -390,6 +392,8 @@ subroutine psb_zcprecsetr(prec,what,val,info,ilev,ilmax,pos,idx)
select case (psb_toupper(what))
case('SUB_ILUTHRS')
call prec%prec%precset(psb_fact_eps_,val,info)
case('INV_THRESH')
call prec%prec%precset(psb_inv_thresh_,val,info)
case default
info = psb_err_invalid_args_combination_
write(psb_err_unit,*) name,&
@ -431,6 +435,8 @@ subroutine psb_zcprecsetc(prec,what,string,info,ilev,ilmax,pos,idx)
case("ILUT")
call prec%prec%precset(psb_f_type_,psb_f_ilu_t_,info)
call prec%prec%precset(psb_ilu_ialg_,psb_ilu_t_,info)
case("AINV")
call prec%prec%precset(psb_f_type_,psb_f_ainv_,info)
case default
! Default to ILU(0) factorization
call prec%prec%precset(psb_f_type_,psb_f_ilu_n_,info)
@ -450,6 +456,19 @@ subroutine psb_zcprecsetc(prec,what,string,info,ilev,ilmax,pos,idx)
case default
call prec%prec%precset(psb_ilu_scale_,psb_ilu_scale_none_,info)
end select
case ("AINV_ALG")
select case (psb_toupper(string))
case("LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_llk_,info)
case("SYM-LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_s_llk_,info)
case("STAB-LLK")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_s_ft_llk_,info)
case("MLK","LMX")
call prec%prec%precset(psb_ainv_alg_,psb_ainv_mlk_,info)
case default
call prec%prec%precset(psb_ainv_alg_,psb_ainv_llk_,info)
end select
case default
end select

8
prec/impl/psb_z_sparsify.f90
Unescape Escape View File

@ -63,7 +63,7 @@
! POSSIBILITY OF SUCH DAMAGE.
!
!
subroutine amg_z_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,iheap,ikr)
subroutine psb_z_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,iheap,ikr)
use psb_base_mod
implicit none
@ -177,10 +177,10 @@ subroutine amg_z_sparsify(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,info,istart,ihe
return
end subroutine amg_z_sparsify
end subroutine psb_z_sparsify
subroutine amg_z_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,listv,ikr,info)
subroutine psb_z_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,listv,ikr,info)
use psb_base_mod
implicit none
@ -258,4 +258,4 @@ subroutine amg_z_sparsify_list(idiag,nzrmax,sp_thresh,n,zw,nz,iz,valz,lhead,list
return
end subroutine amg_z_sparsify_list
end subroutine psb_z_sparsify_list

4
prec/impl/psb_zrwclip.f90
Unescape Escape View File

@ -63,7 +63,7 @@
! POSSIBILITY OF SUCH DAMAGE.
!
!
subroutine amg_z_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
subroutine psb_z_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
use psb_base_mod
implicit none
@ -87,4 +87,4 @@ subroutine amg_z_rwclip(nz,ia,ja,val,imin,imax,jmin,jmax)
end if
end do
nz = j
end subroutine amg_z_rwclip
end subroutine psb_z_rwclip

3
prec/impl/psb_zsparse_biconjg_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_zsparse_biconjg_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_z_ainv_tools_mod
use psb_z_biconjg_mod, psb_protect_name => psb_zsparse_biconjg_llk
!
! Left-looking variant
@ -224,6 +224,7 @@ subroutine psb_zsparse_biconjg_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
!
! Sparsify current ZVAL and put into ZMAT
!
write(psb_out_unit,'("z(1) = ",f16.14)') zval(1)
call sparsify(i,nzrmax,sp_thresh,n,zval,nzrz,ia,val,info,iheap=heap,ikr=izkr)
if (info /= psb_success_) then
info = psb_err_internal_error_

2
prec/impl/psb_zsparse_biconjg_llk_noth.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_zsparse_biconjg_llk_noth(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_z_ainv_tools_mod
use psb_z_biconjg_mod, psb_protect_name => psb_zsparse_biconjg_llk_noth
!

2
prec/impl/psb_zsparse_biconjg_mlk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_zsparse_biconjg_mlk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_z_ainv_tools_mod
use psb_z_biconjg_mod, psb_protect_name => psb_zsparse_biconjg_mlk
!
! Left-looking variant

8
prec/impl/psb_zsparse_biconjg_s_ft_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_zsparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_z_ainv_tools_mod
use psb_z_biconjg_mod, psb_protect_name => psb_zsparse_biconjg_s_ft_llk
!
@ -164,7 +164,7 @@ subroutine psb_zsparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
ip2 = w%icp(j+1) - 1
nzra = max(0,ip2 - ip1 + 1)
nzww = 0
call psb_d_spvspm(zone,a,nzra,w%ia(ip1:ip2),w%val(ip1:ip2),&
call psb_z_spvspm(zone,a,nzra,w%ia(ip1:ip2),w%val(ip1:ip2),&
& zzero,nzww,iww,ww,info)
p(i) = psb_spge_dot(nzww,iww,ww,zval)
@ -299,7 +299,7 @@ subroutine psb_zsparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
ip2 = z%icp(j+1) - 1
nzra = max(0,ip2 - ip1 + 1)
nzww = 0
call psb_d_spmspv(zone,ac,nzra,z%ia(ip1:ip2),z%val(ip1:ip2),&
call psb_z_spmspv(zone,ac,nzra,z%ia(ip1:ip2),z%val(ip1:ip2),&
& zzero,nzww,iww,ww,info)
q(i) = psb_spge_dot(nzww,iww,ww,zval)
@ -384,7 +384,7 @@ subroutine psb_zsparse_biconjg_s_ft_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
nzww = 0
nzrz = z%icp(i+1)-z%icp(i)
ipz1 = z%icp(i)
call psb_d_spmspv(zone,ac,&
call psb_z_spmspv(zone,ac,&
& nzrz,z%ia(ipz1:ipz1+nzrz-1),z%val(ipz1:ipz1+nzrz-1),&
& zzero,nzww,iww,ww,info)
tmpq = psb_spdot_srtd(nzww,iww,ww,nzrw,ia,val)

2
prec/impl/psb_zsparse_biconjg_s_llk.F90
Unescape Escape View File

@ -34,7 +34,7 @@
!
subroutine psb_zsparse_biconjg_s_llk(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_ainv_tools_mod
use psb_z_ainv_tools_mod
use psb_z_biconjg_mod, psb_protect_name => psb_zsparse_biconjg_s_llk
!

70
prec/psb_base_ainv_mod.F90 → prec/psb_c_ainv_fact_mod.f90
Unescape Escape View File

@ -28,15 +28,18 @@
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
! Moved here from AMG-AINV, original copyright below.
! Moved here from MLD2P4, original copyright below.
!
!
! AMG-AINV: Approximate Inverse plugin for
! AMG4PSBLAS version 1.0
! MLD2P4 version 2.2
! MultiLevel Domain Decomposition Parallel Preconditioners Package
! based on PSBLAS (Parallel Sparse BLAS version 3.5)
!
! (C) Copyright 2020
! (C) Copyright 2008-2018
!
! Salvatore Filippone University of Rome Tor Vergata
! Salvatore Filippone
! Pasqua D'Ambra
! Daniela di Serafino
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
@ -46,14 +49,14 @@
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the AMG4PSBLAS group or the names of its contributors may
! 3. The name of the MLD2P4 group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MLD2P4 GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
@ -64,31 +67,32 @@
!
!
!
module psb_base_ainv_mod
use psb_prec_mod
integer, parameter :: psb_inv_fillin_ = 100 ! To check for compatibility
integer, parameter :: psb_ainv_alg_ = psb_inv_fillin_ + 1
integer, parameter :: psb_inv_thresh_ = 102 ! To check for compatibility
#if 0
integer, parameter :: psb_ainv_orth1_ = psb_inv_thresh_ + 1
integer, parameter :: psb_ainv_orth2_ = psb_ainv_orth1_ + 1
integer, parameter :: psb_ainv_orth3_ = psb_ainv_orth2_ + 1
integer, parameter :: psb_ainv_orth4_ = psb_ainv_orth3_ + 1
integer, parameter :: psb_ainv_llk_ = psb_ainv_orth4_ + 1
#else
integer, parameter :: psb_ainv_llk_ = psb_inv_thresh_ + 1
#endif
integer, parameter :: psb_ainv_s_llk_ = psb_ainv_llk_ + 1
integer, parameter :: psb_ainv_s_ft_llk_ = psb_ainv_s_llk_ + 1
integer, parameter :: psb_ainv_llk_noth_ = psb_ainv_s_ft_llk_ + 1
integer, parameter :: psb_ainv_mlk_ = psb_ainv_llk_noth_ + 1
integer, parameter :: psb_ainv_lmx_ = psb_ainv_mlk_
#if defined(HAVE_TUMA_SAINV)
integer, parameter :: psb_ainv_s_tuma_ = psb_ainv_lmx_ + 1
integer, parameter :: psb_ainv_l_tuma_ = psb_ainv_s_tuma_ + 1
#endif
!
! File: psb_c_ainv_fact_mod.f90
!
! Module: psb_c_ainv_fact_mod
!
! This module defines some interfaces used internally by the implementation of
! psb_c_ainv_solver, but not visible to the end user.
!
!
module psb_c_ainv_fact_mod
use psb_base_mod
use psb_prec_const_mod
interface psb_ainv_fact
subroutine psb_c_ainv_bld(a,alg,fillin,thresh,wmat,d,zmat,desc,info,blck,iscale)
import psb_cspmat_type, psb_spk_, psb_ipk_, psb_desc_type
type(psb_cspmat_type), intent(in), target :: a
integer(psb_ipk_), intent(in) :: fillin,alg
real(psb_spk_), intent(in) :: thresh
type(psb_cspmat_type), intent(inout) :: wmat, zmat
complex(psb_spk_), allocatable :: d(:)
Type(psb_desc_type), Intent(in) :: desc
integer(psb_ipk_), intent(out) :: info
type(psb_cspmat_type), intent(in), optional :: blck
integer(psb_ipk_), intent(in), optional :: iscale
end subroutine psb_c_ainv_bld
end interface
end module psb_base_ainv_mod
end module psb_c_ainv_fact_mod

7
prec/psb_c_biconjg_mod.F90
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@ -100,11 +100,13 @@
!
module psb_c_biconjg_mod
use psb_base_mod
use psb_prec_const_mod
interface psb_sparse_biconjg
module procedure psb_csparse_biconjg
end interface
abstract interface
subroutine psb_csparse_biconjg_variant(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod, only : psb_c_csr_sparse_mat, psb_c_csc_sparse_mat, &
@ -131,12 +133,11 @@ module psb_c_biconjg_mod
& psb_csparse_tuma_lainv
#endif
contains
subroutine psb_csparse_biconjg(alg,n,acsr,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_base_ainv_mod
use psb_prec_const_mod
integer(psb_ipk_), intent(in) :: alg,n
type(psb_c_csr_sparse_mat), intent(in) :: acsr
type(psb_cspmat_type), intent(out) :: z, w

5
prec/psb_c_bjacprec.f90
Unescape Escape View File

@ -33,6 +33,7 @@ module psb_c_bjacprec
use psb_c_base_prec_mod
use psb_c_ilu_fact_mod
use psb_c_ainv_fact_mod
type, extends(psb_c_base_prec_type) :: psb_c_bjac_prec_type
integer(psb_ipk_), allocatable :: iprcparm(:)
@ -58,8 +59,8 @@ module psb_c_bjacprec
end type psb_c_bjac_prec_type
character(len=15), parameter, private :: &
& fact_names(0:3)=(/'None ','ILU(0) ',&
& 'ILU(n) ','ILU(eps) '/)
& fact_names(0:4)=(/'None ','ILU(0) ',&
& 'ILU(n) ','ILU(eps) ','AINV(eps) '/)
private :: psb_c_bjac_sizeof, psb_c_bjac_precdescr, psb_c_bjac_get_nzeros

98
prec/psb_d_ainv_fact_mod.f90
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@ -0,0 +1,98 @@
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
! Moved here from MLD2P4, original copyright below.
!
!
! MLD2P4 version 2.2
! MultiLevel Domain Decomposition Parallel Preconditioners Package
! based on PSBLAS (Parallel Sparse BLAS version 3.5)
!
! (C) Copyright 2008-2018
!
! Salvatore Filippone
! Pasqua D'Ambra
! Daniela di Serafino
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the MLD2P4 group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MLD2P4 GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
!
! File: psb_d_ainv_fact_mod.f90
!
! Module: psb_d_ainv_fact_mod
!
! This module defines some interfaces used internally by the implementation of
! psb_d_ainv_solver, but not visible to the end user.
!
!
module psb_d_ainv_fact_mod
use psb_base_mod
use psb_prec_const_mod
interface psb_ainv_fact
subroutine psb_d_ainv_bld(a,alg,fillin,thresh,wmat,d,zmat,desc,info,blck,iscale)
import psb_dspmat_type, psb_dpk_, psb_ipk_, psb_desc_type
type(psb_dspmat_type), intent(in), target :: a
integer(psb_ipk_), intent(in) :: fillin,alg
real(psb_dpk_), intent(in) :: thresh
type(psb_dspmat_type), intent(inout) :: wmat, zmat
real(psb_dpk_), allocatable :: d(:)
Type(psb_desc_type), Intent(in) :: desc
integer(psb_ipk_), intent(out) :: info
type(psb_dspmat_type), intent(in), optional :: blck
integer(psb_ipk_), intent(in), optional :: iscale
end subroutine psb_d_ainv_bld
end interface
end module psb_d_ainv_fact_mod

7
prec/psb_d_biconjg_mod.F90
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@ -100,11 +100,13 @@
!
module psb_d_biconjg_mod
use psb_base_mod
use psb_prec_const_mod
interface psb_sparse_biconjg
module procedure psb_dsparse_biconjg
end interface
abstract interface
subroutine psb_dsparse_biconjg_variant(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod, only : psb_d_csr_sparse_mat, psb_d_csc_sparse_mat, &
@ -131,12 +133,11 @@ module psb_d_biconjg_mod
& psb_dsparse_tuma_lainv
#endif
contains
subroutine psb_dsparse_biconjg(alg,n,acsr,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_base_ainv_mod
use psb_prec_const_mod
integer(psb_ipk_), intent(in) :: alg,n
type(psb_d_csr_sparse_mat), intent(in) :: acsr
type(psb_dspmat_type), intent(out) :: z, w

5
prec/psb_d_bjacprec.f90
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@ -33,6 +33,7 @@ module psb_d_bjacprec
use psb_d_base_prec_mod
use psb_d_ilu_fact_mod
use psb_d_ainv_fact_mod
type, extends(psb_d_base_prec_type) :: psb_d_bjac_prec_type
integer(psb_ipk_), allocatable :: iprcparm(:)
@ -58,8 +59,8 @@ module psb_d_bjacprec
end type psb_d_bjac_prec_type
character(len=15), parameter, private :: &
& fact_names(0:3)=(/'None ','ILU(0) ',&
& 'ILU(n) ','ILU(eps) '/)
& fact_names(0:4)=(/'None ','ILU(0) ',&
& 'ILU(n) ','ILU(eps) ','AINV(eps) '/)
private :: psb_d_bjac_sizeof, psb_d_bjac_precdescr, psb_d_bjac_get_nzeros

18
prec/psb_prec_const_mod.f90
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@ -54,9 +54,11 @@ module psb_prec_const_mod
! Entries in rprcparm: ILU(E) epsilon, smoother omega
integer(psb_ipk_), parameter :: psb_ilu_scale_=7
integer(psb_ipk_), parameter :: psb_fact_eps_=1
integer(psb_ipk_), parameter :: psb_rfpsz=4
integer(psb_ipk_), parameter :: psb_rfpsz=8
! Factorization types: none, ILU(0), ILU(N), ILU(N,E)
integer(psb_ipk_), parameter :: psb_f_none_=0,psb_f_ilu_n_=1,psb_f_ilu_k_=2,psb_f_ilu_t_=3
! Approximate Inverse factorization type: AINV
integer(psb_ipk_), parameter :: psb_f_ainv_=4
! Fields for sparse matrices ensembles:
integer(psb_ipk_), parameter :: psb_l_pr_=1, psb_u_pr_=2, psb_bp_ilu_avsz=2
integer(psb_ipk_), parameter :: psb_max_avsz=psb_bp_ilu_avsz
@ -71,6 +73,20 @@ module psb_prec_const_mod
integer(psb_ipk_), parameter :: psb_ilu_scale_aclsum_ = 4
integer(psb_ipk_), parameter :: psb_ilu_scale_arcsum_ = 5
! Numerical parameters relative to Approximate Inverse Preconditioners
integer, parameter :: psb_inv_fillin_ = 3
integer, parameter :: psb_ainv_alg_ = psb_inv_fillin_ + 1
integer, parameter :: psb_inv_thresh_ = 3
integer, parameter :: psb_ainv_llk_ = psb_inv_thresh_ + 1
integer, parameter :: psb_ainv_s_llk_ = psb_ainv_llk_ + 1
integer, parameter :: psb_ainv_s_ft_llk_ = psb_ainv_s_llk_ + 1
integer, parameter :: psb_ainv_llk_noth_ = psb_ainv_s_ft_llk_ + 1
integer, parameter :: psb_ainv_mlk_ = psb_ainv_llk_noth_ + 1
integer, parameter :: psb_ainv_lmx_ = psb_ainv_mlk_
#if defined(HAVE_TUMA_SAINV)
integer, parameter :: psb_ainv_s_tuma_ = psb_ainv_lmx_ + 1
integer, parameter :: psb_ainv_l_tuma_ = psb_ainv_s_tuma_ + 1
#endif
interface psb_check_def

98
prec/psb_s_ainv_fact_mod.f90
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@ -0,0 +1,98 @@
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
! Moved here from MLD2P4, original copyright below.
!
!
! MLD2P4 version 2.2
! MultiLevel Domain Decomposition Parallel Preconditioners Package
! based on PSBLAS (Parallel Sparse BLAS version 3.5)
!
! (C) Copyright 2008-2018
!
! Salvatore Filippone
! Pasqua D'Ambra
! Daniela di Serafino
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the MLD2P4 group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MLD2P4 GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
!
! File: psb_s_ainv_fact_mod.f90
!
! Module: psb_s_ainv_fact_mod
!
! This module defines some interfaces used internally by the implementation of
! psb_s_ainv_solver, but not visible to the end user.
!
!
module psb_s_ainv_fact_mod
use psb_base_mod
use psb_prec_const_mod
interface psb_ainv_fact
subroutine psb_s_ainv_bld(a,alg,fillin,thresh,wmat,d,zmat,desc,info,blck,iscale)
import psb_sspmat_type, psb_spk_, psb_ipk_, psb_desc_type
type(psb_sspmat_type), intent(in), target :: a
integer(psb_ipk_), intent(in) :: fillin,alg
real(psb_spk_), intent(in) :: thresh
type(psb_sspmat_type), intent(inout) :: wmat, zmat
real(psb_spk_), allocatable :: d(:)
Type(psb_desc_type), Intent(in) :: desc
integer(psb_ipk_), intent(out) :: info
type(psb_sspmat_type), intent(in), optional :: blck
integer(psb_ipk_), intent(in), optional :: iscale
end subroutine psb_s_ainv_bld
end interface
end module psb_s_ainv_fact_mod

7
prec/psb_s_biconjg_mod.F90
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@ -100,11 +100,13 @@
!
module psb_s_biconjg_mod
use psb_base_mod
use psb_prec_const_mod
interface psb_sparse_biconjg
module procedure psb_ssparse_biconjg
end interface
abstract interface
subroutine psb_ssparse_biconjg_variant(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod, only : psb_s_csr_sparse_mat, psb_s_csc_sparse_mat, &
@ -131,12 +133,11 @@ module psb_s_biconjg_mod
& psb_ssparse_tuma_lainv
#endif
contains
subroutine psb_ssparse_biconjg(alg,n,acsr,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_base_ainv_mod
use psb_prec_const_mod
integer(psb_ipk_), intent(in) :: alg,n
type(psb_s_csr_sparse_mat), intent(in) :: acsr
type(psb_sspmat_type), intent(out) :: z, w

5
prec/psb_s_bjacprec.f90
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@ -33,6 +33,7 @@ module psb_s_bjacprec
use psb_s_base_prec_mod
use psb_s_ilu_fact_mod
use psb_s_ainv_fact_mod
type, extends(psb_s_base_prec_type) :: psb_s_bjac_prec_type
integer(psb_ipk_), allocatable :: iprcparm(:)
@ -58,8 +59,8 @@ module psb_s_bjacprec
end type psb_s_bjac_prec_type
character(len=15), parameter, private :: &
& fact_names(0:3)=(/'None ','ILU(0) ',&
& 'ILU(n) ','ILU(eps) '/)
& fact_names(0:4)=(/'None ','ILU(0) ',&
& 'ILU(n) ','ILU(eps) ','AINV(eps) '/)
private :: psb_s_bjac_sizeof, psb_s_bjac_precdescr, psb_s_bjac_get_nzeros

98
prec/psb_z_ainv_fact_mod.f90
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@ -0,0 +1,98 @@
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
! Moved here from MLD2P4, original copyright below.
!
!
! MLD2P4 version 2.2
! MultiLevel Domain Decomposition Parallel Preconditioners Package
! based on PSBLAS (Parallel Sparse BLAS version 3.5)
!
! (C) Copyright 2008-2018
!
! Salvatore Filippone
! Pasqua D'Ambra
! Daniela di Serafino
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the MLD2P4 group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MLD2P4 GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
!
! File: psb_z_ainv_fact_mod.f90
!
! Module: psb_z_ainv_fact_mod
!
! This module defines some interfaces used internally by the implementation of
! psb_z_ainv_solver, but not visible to the end user.
!
!
module psb_z_ainv_fact_mod
use psb_base_mod
use psb_prec_const_mod
interface psb_ainv_fact
subroutine psb_z_ainv_bld(a,alg,fillin,thresh,wmat,d,zmat,desc,info,blck,iscale)
import psb_zspmat_type, psb_dpk_, psb_ipk_, psb_desc_type
type(psb_zspmat_type), intent(in), target :: a
integer(psb_ipk_), intent(in) :: fillin,alg
real(psb_dpk_), intent(in) :: thresh
type(psb_zspmat_type), intent(inout) :: wmat, zmat
complex(psb_dpk_), allocatable :: d(:)
Type(psb_desc_type), Intent(in) :: desc
integer(psb_ipk_), intent(out) :: info
type(psb_zspmat_type), intent(in), optional :: blck
integer(psb_ipk_), intent(in), optional :: iscale
end subroutine psb_z_ainv_bld
end interface
end module psb_z_ainv_fact_mod

7
prec/psb_z_biconjg_mod.F90
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@ -100,11 +100,13 @@
!
module psb_z_biconjg_mod
use psb_base_mod
use psb_prec_const_mod
interface psb_sparse_biconjg
module procedure psb_zsparse_biconjg
end interface
abstract interface
subroutine psb_zsparse_biconjg_variant(n,a,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod, only : psb_z_csr_sparse_mat, psb_z_csc_sparse_mat, &
@ -131,12 +133,11 @@ module psb_z_biconjg_mod
& psb_zsparse_tuma_lainv
#endif
contains
subroutine psb_zsparse_biconjg(alg,n,acsr,p,z,w,nzrmax,sp_thresh,info)
use psb_base_mod
use psb_base_ainv_mod
use psb_prec_const_mod
integer(psb_ipk_), intent(in) :: alg,n
type(psb_z_csr_sparse_mat), intent(in) :: acsr
type(psb_zspmat_type), intent(out) :: z, w

5
prec/psb_z_bjacprec.f90
Unescape Escape View File

@ -33,6 +33,7 @@ module psb_z_bjacprec
use psb_z_base_prec_mod
use psb_z_ilu_fact_mod
use psb_z_ainv_fact_mod
type, extends(psb_z_base_prec_type) :: psb_z_bjac_prec_type
integer(psb_ipk_), allocatable :: iprcparm(:)
@ -58,8 +59,8 @@ module psb_z_bjacprec
end type psb_z_bjac_prec_type
character(len=15), parameter, private :: &
& fact_names(0:3)=(/'None ','ILU(0) ',&
& 'ILU(n) ','ILU(eps) '/)
& fact_names(0:4)=(/'None ','ILU(0) ',&
& 'ILU(n) ','ILU(eps) ','AINV(eps) '/)
private :: psb_z_bjac_sizeof, psb_z_bjac_precdescr, psb_z_bjac_get_nzeros

16
test/pargen/psb_d_pde3d.f90
Unescape Escape View File

@ -671,15 +671,20 @@ program psb_d_pde3d
call prec%set('sub_solve', parms%alg, info)
select case (psb_toupper(parms%alg))
case ("ILU")
call prec%set('sub_fillin', parms%fill, info)
call prec%set('ilu_alg', parms%ilu_alg, info)
call prec%set('sub_fillin', parms%fill, info)
call prec%set('ilu_alg', parms%ilu_alg, info)
case ("ILUT")
call prec%set('sub_fillin', parms%fill, info)
call prec%set('sub_iluthrs', parms%thresh, info)
call prec%set('sub_fillin', parms%fill, info)
call prec%set('sub_iluthrs', parms%thresh, info)
call prec%set('ilut_scale', parms%ilut_scale, info)
case ("AINV")
call prec%set('inv_thresh', parms%inv_thresh, info)
case default
! Do nothing, use default setting in the init routine
end select
select case (psb_toupper(parms%orth_alg))
end select
else
! nothing to set for NONE or DIAG preconditioner
end if
@ -881,8 +886,9 @@ contains
write(psb_out_unit,'("Threshold : ",es12.5)') parms%thresh
write(psb_out_unit,'("Invese Fill in : ",i0)') parms%inv_fill
write(psb_out_unit,'("Inverse Threshold : ",es12.5)') parms%inv_thresh
case ('AINVT','AORTH')
case ('AINV','AORTH')
write(psb_out_unit,'("Inverse Threshold : ",es12.5)') parms%inv_thresh
write(psb_out_unit,'("Orthogonalization : ",a)') parms%orth_alg
case default
write(psb_out_unit,'("Unknown diagonal solver")')
end select

16
test/pargen/psb_s_pde3d.f90
Unescape Escape View File

@ -671,15 +671,20 @@ program psb_s_pde3d
call prec%set('sub_solve', parms%alg, info)
select case (psb_toupper(parms%alg))
case ("ILU")
call prec%set('sub_fillin', parms%fill, info)
call prec%set('ilu_alg', parms%ilu_alg, info)
call prec%set('sub_fillin', parms%fill, info)
call prec%set('ilu_alg', parms%ilu_alg, info)
case ("ILUT")
call prec%set('sub_fillin', parms%fill, info)
call prec%set('sub_iluthrs', parms%thresh, info)
call prec%set('sub_fillin', parms%fill, info)
call prec%set('sub_iluthrs', parms%thresh, info)
call prec%set('ilut_scale', parms%ilut_scale, info)
case ("AINV")
call prec%set('inv_thresh', parms%inv_thresh, info)
case default
! Do nothing, use default setting in the init routine
end select
select case (psb_toupper(parms%orth_alg))
end select
else
! nothing to set for NONE or DIAG preconditioner
end if
@ -881,8 +886,9 @@ contains
write(psb_out_unit,'("Threshold : ",es12.5)') parms%thresh
write(psb_out_unit,'("Invese Fill in : ",i0)') parms%inv_fill
write(psb_out_unit,'("Inverse Threshold : ",es12.5)') parms%inv_thresh
case ('AINVT','AORTH')
case ('AINV','AORTH')
write(psb_out_unit,'("Inverse Threshold : ",es12.5)') parms%inv_thresh
write(psb_out_unit,'("Orthogonalization : ",a)') parms%orth_alg
case default
write(psb_out_unit,'("Unknown diagonal solver")')
end select

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