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Added error check and defaults

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savebcmatch
Cirdans-Home 4 years ago
parent 02b46a0f85
commit 47eba23460
5 changed files with 341 additions and 244 deletions
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33
amgprec/amg_base_prec_type.F90
Unescape Escape View File

@ -136,6 +136,8 @@ module amg_base_prec_type
integer(psb_lpk_) :: target_coarse_size integer(psb_lpk_) :: target_coarse_size
! 2. maximum number of levels. Defaults to 20 ! 2. maximum number of levels. Defaults to 20
integer(psb_ipk_) :: max_levs = 20_psb_ipk_ integer(psb_ipk_) :: max_levs = 20_psb_ipk_
contains
procedure, pass(ag) :: default => i_ag_default
end type amg_iaggr_data end type amg_iaggr_data
type, extends(amg_iaggr_data) :: amg_saggr_data type, extends(amg_iaggr_data) :: amg_saggr_data
@ -143,6 +145,8 @@ module amg_base_prec_type
real(psb_spk_) :: min_cr_ratio = 1.5_psb_spk_ real(psb_spk_) :: min_cr_ratio = 1.5_psb_spk_
real(psb_spk_) :: op_complexity = szero real(psb_spk_) :: op_complexity = szero
real(psb_spk_) :: avg_cr = szero real(psb_spk_) :: avg_cr = szero
contains
procedure, pass(ag) :: default => s_ag_default
end type amg_saggr_data end type amg_saggr_data
type, extends(amg_iaggr_data) :: amg_daggr_data type, extends(amg_iaggr_data) :: amg_daggr_data
@ -150,6 +154,8 @@ module amg_base_prec_type
real(psb_dpk_) :: min_cr_ratio = 1.5_psb_dpk_ real(psb_dpk_) :: min_cr_ratio = 1.5_psb_dpk_
real(psb_dpk_) :: op_complexity = dzero real(psb_dpk_) :: op_complexity = dzero
real(psb_dpk_) :: avg_cr = dzero real(psb_dpk_) :: avg_cr = dzero
contains
procedure, pass(ag) :: default => d_ag_default
end type amg_daggr_data end type amg_daggr_data
@ -1240,4 +1246,31 @@ contains
& (parms1%aggr_thresh == parms2%aggr_thresh ) & (parms1%aggr_thresh == parms2%aggr_thresh )
end function amg_d_equal_aggregation end function amg_d_equal_aggregation
subroutine i_ag_default(ag)
class(amg_iaggr_data), intent(inout) :: ag
ag%min_coarse_size = -ione
ag%min_coarse_size_per_process = -ione
ag%max_levs = 20_psb_ipk_
end subroutine i_ag_default
subroutine s_ag_default(ag)
class(amg_saggr_data), intent(inout) :: ag
call ag%amg_iaggr_data%default()
ag%min_cr_ratio = 1.5_psb_spk_
ag%op_complexity = szero
ag%avg_cr = szero
end subroutine s_ag_default
subroutine d_ag_default(ag)
class(amg_daggr_data), intent(inout) :: ag
call ag%amg_iaggr_data%default()
ag%min_cr_ratio = 1.5_psb_dpk_
ag%op_complexity = dzero
ag%avg_cr = dzero
end subroutine d_ag_default
end module amg_base_prec_type end module amg_base_prec_type

138
amgprec/impl/amg_cprecinit.F90
Unescape Escape View File

@ -1,15 +1,15 @@
! !
! !
! AMG4PSBLAS version 1.0 ! AMG4PSBLAS version 1.0
! Algebraic Multigrid Package ! Algebraic Multigrid Package
! based on PSBLAS (Parallel Sparse BLAS version 3.7) ! based on PSBLAS (Parallel Sparse BLAS version 3.7)
! !
! (C) Copyright 2021 ! (C) Copyright 2021
! !
! Salvatore Filippone ! Salvatore Filippone
! Pasqua D'Ambra ! Pasqua D'Ambra
! Fabio Durastante ! Fabio Durastante
! !
! Redistribution and use in source and binary forms, with or without ! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions ! modification, are permitted provided that the following conditions
! are met: ! are met:
@ -21,7 +21,7 @@
! 3. The name of the AMG4PSBLAS group or the names of its contributors may ! 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 ! not be used to endorse or promote products derived from this
! software without specific written permission. ! software without specific written permission.
! !
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR ! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -33,8 +33,8 @@
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ! 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 ! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE. ! POSSIBILITY OF SUCH DAMAGE.
! !
! !
! File: amg_cprecinit.f90 ! File: amg_cprecinit.f90
! !
! Subroutine: amg_cprecinit ! Subroutine: amg_cprecinit
@ -42,21 +42,21 @@
! !
! This routine allocates and initializes the preconditioner data structure, ! This routine allocates and initializes the preconditioner data structure,
! according to the preconditioner type chosen by the user. ! according to the preconditioner type chosen by the user.
! !
! A default preconditioner is set for each preconditioner type ! A default preconditioner is set for each preconditioner type
! specified by the user: ! specified by the user:
! !
! 'NOPREC' - no preconditioner ! 'NOPREC' - no preconditioner
! !
! 'DIAG', 'JACOBI' - diagonal/Jacobi ! 'DIAG', 'JACOBI' - diagonal/Jacobi
! !
! 'L1-DIAG', 'L1-JACOBI' - diagonal/Jacobi with L1 norm correction ! 'L1-DIAG', 'L1-JACOBI' - diagonal/Jacobi with L1 norm correction
! !
! 'GS', 'FBGS' - Hybrid Gauss-Seidel, also symmetrized ! 'GS', 'FBGS' - Hybrid Gauss-Seidel, also symmetrized
! !
! 'BJAC' - block Jacobi preconditioner, with ILU(0) ! 'BJAC' - block Jacobi preconditioner, with ILU(0)
! on the local blocks ! on the local blocks
! !
! 'L1-BJAC' - block Jacobi preconditioner, with ILU(0) ! 'L1-BJAC' - block Jacobi preconditioner, with ILU(0)
! on the local blocks and L1 correction for off-diag blocks ! on the local blocks and L1 correction for off-diag blocks
! !
@ -70,12 +70,12 @@
! applied as post-smoother at each level, but the ! applied as post-smoother at each level, but the
! coarsest one; four sweeps of the block-Jacobi solver, ! coarsest one; four sweeps of the block-Jacobi solver,
! with LU from UMFPACK on the blocks, are applied at ! with LU from UMFPACK on the blocks, are applied at
! the coarsest level, on the distributed coarse matrix. ! the coarsest level, on the distributed coarse matrix.
! The smoothed aggregation algorithm with threshold 0 ! The smoothed aggregation algorithm with threshold 0
! is used to build the coarse matrix. ! is used to build the coarse matrix.
! !
! For the multilevel preconditioners, the levels are numbered in increasing ! For the multilevel preconditioners, the levels are numbered in increasing
! order starting from the finest one, i.e. level 1 is the finest level. ! order starting from the finest one, i.e. level 1 is the finest level.
! !
! !
! Arguments: ! Arguments:
@ -87,7 +87,7 @@
! lowercase strings). ! lowercase strings).
! info - integer, output. ! info - integer, output.
! Error code. ! Error code.
! !
subroutine amg_cprecinit(ctxt,prec,ptype,info) subroutine amg_cprecinit(ctxt,prec,ptype,info)
use psb_base_mod use psb_base_mod
@ -113,98 +113,105 @@ subroutine amg_cprecinit(ctxt,prec,ptype,info)
! Local variables ! Local variables
integer(psb_ipk_) :: nlev_, ilev_ integer(psb_ipk_) :: nlev_, ilev_
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: debug_level, debug_unit
real(psb_spk_) :: thr real(psb_spk_) :: thr
character(len=*), parameter :: name='amg_precinit' character(len=*), parameter :: name='amg_precinit'
info = psb_success_ info = psb_success_
call psb_erractionsave(err_act)
if (allocated(prec%precv)) then if (psb_errstatus_fatal()) then
call prec%free(info) info = psb_err_internal_error_; goto 9999
if (info /= psb_success_) then end if
! Do we want to do something? debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
if (allocated(prec%precv)) then
call prec%free(info)
if (info /= psb_success_) then
! Do we want to do something?
endif endif
endif endif
prec%ctxt = ctxt prec%ctxt = ctxt
prec%ag_data%min_coarse_size = -1 call prec%ag_data%default()
prec%ag_data%min_coarse_size_per_process = -1
select case(psb_toupper(trim(ptype))) select case(psb_toupper(trim(ptype)))
case ('NOPREC','NONE') case ('NOPREC','NONE')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_c_base_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_c_base_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_c_id_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_c_id_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('JAC','DIAG','JACOBI') case ('JAC','DIAG','JACOBI')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_c_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_c_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_c_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_c_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('L1-DIAG','L1-JACOBI','L1_DIAG','L1_JACOBI') case ('L1-DIAG','L1-JACOBI','L1_DIAG','L1_JACOBI')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_c_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_c_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_c_l1_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_c_l1_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('GS','FWGS') case ('GS','FWGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_c_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_c_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_c_gs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_c_gs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('BWGS') case ('BWGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_c_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_c_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_c_bwgs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_c_bwgs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('FBGS') case ('FBGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
call prec%set('SMOOTHER_TYPE','FBGS',info) call prec%set('SMOOTHER_TYPE','FBGS',info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('BJAC') case ('BJAC')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_c_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_c_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_c_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_c_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('L1-BJAC','L1_BJAC') case ('L1-BJAC','L1_BJAC')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_c_l1_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_c_l1_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_c_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_c_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('AS') case ('AS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_c_as_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_c_as_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_c_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_c_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
@ -213,20 +220,24 @@ subroutine amg_cprecinit(ctxt,prec,ptype,info)
nlev_ = prec%ag_data%max_levs nlev_ = prec%ag_data%max_levs
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
if (info /= psb_success_ ) then
call psb_errpush(info,name,a_err='Error from hierarchy init')
goto 9999
endif
do ilev_ = 1, nlev_ do ilev_ = 1, nlev_
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
end do end do
call prec%set('ML_CYCLE','VCYCLE',info) call prec%set('ML_CYCLE','VCYCLE',info)
call prec%set('SMOOTHER_TYPE','FBGS',info) call prec%set('SMOOTHER_TYPE','FBGS',info)
#if defined(HAVE_MUMPS_) #if defined(HAVE_MUMPS_)
call prec%set('COARSE_SOLVE','MUMPS',info) call prec%set('COARSE_SOLVE','MUMPS',info)
#elif defined(HAVE_SLU_) #elif defined(HAVE_SLU_)
call prec%set('COARSE_SOLVE','SLU',info) call prec%set('COARSE_SOLVE','SLU',info)
#else #else
call prec%set('COARSE_SOLVE','ILU',info) call prec%set('COARSE_SOLVE','ILU',info)
#endif #endif
case default case default
write(psb_err_unit,*) name,& write(psb_err_unit,*) name,&
&': Warning: Unknown preconditioner type request "',ptype,'"' &': Warning: Unknown preconditioner type request "',ptype,'"'
@ -234,5 +245,10 @@ subroutine amg_cprecinit(ctxt,prec,ptype,info)
end select end select
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine amg_cprecinit end subroutine amg_cprecinit

138
amgprec/impl/amg_dprecinit.F90
Unescape Escape View File

@ -1,15 +1,15 @@
! !
! !
! AMG4PSBLAS version 1.0 ! AMG4PSBLAS version 1.0
! Algebraic Multigrid Package ! Algebraic Multigrid Package
! based on PSBLAS (Parallel Sparse BLAS version 3.7) ! based on PSBLAS (Parallel Sparse BLAS version 3.7)
! !
! (C) Copyright 2021 ! (C) Copyright 2021
! !
! Salvatore Filippone ! Salvatore Filippone
! Pasqua D'Ambra ! Pasqua D'Ambra
! Fabio Durastante ! Fabio Durastante
! !
! Redistribution and use in source and binary forms, with or without ! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions ! modification, are permitted provided that the following conditions
! are met: ! are met:
@ -21,7 +21,7 @@
! 3. The name of the AMG4PSBLAS group or the names of its contributors may ! 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 ! not be used to endorse or promote products derived from this
! software without specific written permission. ! software without specific written permission.
! !
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR ! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -33,8 +33,8 @@
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ! 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 ! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE. ! POSSIBILITY OF SUCH DAMAGE.
! !
! !
! File: amg_dprecinit.f90 ! File: amg_dprecinit.f90
! !
! Subroutine: amg_dprecinit ! Subroutine: amg_dprecinit
@ -42,21 +42,21 @@
! !
! This routine allocates and initializes the preconditioner data structure, ! This routine allocates and initializes the preconditioner data structure,
! according to the preconditioner type chosen by the user. ! according to the preconditioner type chosen by the user.
! !
! A default preconditioner is set for each preconditioner type ! A default preconditioner is set for each preconditioner type
! specified by the user: ! specified by the user:
! !
! 'NOPREC' - no preconditioner ! 'NOPREC' - no preconditioner
! !
! 'DIAG', 'JACOBI' - diagonal/Jacobi ! 'DIAG', 'JACOBI' - diagonal/Jacobi
! !
! 'L1-DIAG', 'L1-JACOBI' - diagonal/Jacobi with L1 norm correction ! 'L1-DIAG', 'L1-JACOBI' - diagonal/Jacobi with L1 norm correction
! !
! 'GS', 'FBGS' - Hybrid Gauss-Seidel, also symmetrized ! 'GS', 'FBGS' - Hybrid Gauss-Seidel, also symmetrized
! !
! 'BJAC' - block Jacobi preconditioner, with ILU(0) ! 'BJAC' - block Jacobi preconditioner, with ILU(0)
! on the local blocks ! on the local blocks
! !
! 'L1-BJAC' - block Jacobi preconditioner, with ILU(0) ! 'L1-BJAC' - block Jacobi preconditioner, with ILU(0)
! on the local blocks and L1 correction for off-diag blocks ! on the local blocks and L1 correction for off-diag blocks
! !
@ -70,12 +70,12 @@
! applied as post-smoother at each level, but the ! applied as post-smoother at each level, but the
! coarsest one; four sweeps of the block-Jacobi solver, ! coarsest one; four sweeps of the block-Jacobi solver,
! with LU from UMFPACK on the blocks, are applied at ! with LU from UMFPACK on the blocks, are applied at
! the coarsest level, on the distributed coarse matrix. ! the coarsest level, on the distributed coarse matrix.
! The smoothed aggregation algorithm with threshold 0 ! The smoothed aggregation algorithm with threshold 0
! is used to build the coarse matrix. ! is used to build the coarse matrix.
! !
! For the multilevel preconditioners, the levels are numbered in increasing ! For the multilevel preconditioners, the levels are numbered in increasing
! order starting from the finest one, i.e. level 1 is the finest level. ! order starting from the finest one, i.e. level 1 is the finest level.
! !
! !
! Arguments: ! Arguments:
@ -87,7 +87,7 @@
! lowercase strings). ! lowercase strings).
! info - integer, output. ! info - integer, output.
! Error code. ! Error code.
! !
subroutine amg_dprecinit(ctxt,prec,ptype,info) subroutine amg_dprecinit(ctxt,prec,ptype,info)
use psb_base_mod use psb_base_mod
@ -116,98 +116,105 @@ subroutine amg_dprecinit(ctxt,prec,ptype,info)
! Local variables ! Local variables
integer(psb_ipk_) :: nlev_, ilev_ integer(psb_ipk_) :: nlev_, ilev_
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: debug_level, debug_unit
real(psb_dpk_) :: thr real(psb_dpk_) :: thr
character(len=*), parameter :: name='amg_precinit' character(len=*), parameter :: name='amg_precinit'
info = psb_success_ info = psb_success_
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()
if (allocated(prec%precv)) then if (allocated(prec%precv)) then
call prec%free(info) call prec%free(info)
if (info /= psb_success_) then if (info /= psb_success_) then
! Do we want to do something? ! Do we want to do something?
endif endif
endif endif
prec%ctxt = ctxt prec%ctxt = ctxt
prec%ag_data%min_coarse_size = -1 call prec%ag_data%default()
prec%ag_data%min_coarse_size_per_process = -1
select case(psb_toupper(trim(ptype))) select case(psb_toupper(trim(ptype)))
case ('NOPREC','NONE') case ('NOPREC','NONE')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_d_base_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_d_base_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_d_id_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_d_id_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('JAC','DIAG','JACOBI') case ('JAC','DIAG','JACOBI')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_d_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_d_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_d_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_d_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('L1-DIAG','L1-JACOBI','L1_DIAG','L1_JACOBI') case ('L1-DIAG','L1-JACOBI','L1_DIAG','L1_JACOBI')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_d_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_d_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_d_l1_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_d_l1_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('GS','FWGS') case ('GS','FWGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_d_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_d_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_d_gs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_d_gs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('BWGS') case ('BWGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_d_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_d_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_d_bwgs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_d_bwgs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('FBGS') case ('FBGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
call prec%set('SMOOTHER_TYPE','FBGS',info) call prec%set('SMOOTHER_TYPE','FBGS',info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('BJAC') case ('BJAC')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_d_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_d_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_d_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_d_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('L1-BJAC','L1_BJAC') case ('L1-BJAC','L1_BJAC')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_d_l1_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_d_l1_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_d_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_d_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('AS') case ('AS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_d_as_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_d_as_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_d_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_d_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
@ -216,22 +223,26 @@ subroutine amg_dprecinit(ctxt,prec,ptype,info)
nlev_ = prec%ag_data%max_levs nlev_ = prec%ag_data%max_levs
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
if (info /= psb_success_ ) then
call psb_errpush(info,name,a_err='Error from hierarchy init')
goto 9999
endif
do ilev_ = 1, nlev_ do ilev_ = 1, nlev_
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
end do end do
call prec%set('ML_CYCLE','VCYCLE',info) call prec%set('ML_CYCLE','VCYCLE',info)
call prec%set('SMOOTHER_TYPE','FBGS',info) call prec%set('SMOOTHER_TYPE','FBGS',info)
#if defined(HAVE_UMF_) #if defined(HAVE_UMF_)
call prec%set('COARSE_SOLVE','UMF',info) call prec%set('COARSE_SOLVE','UMF',info)
#elif defined(HAVE_MUMPS_) #elif defined(HAVE_MUMPS_)
call prec%set('COARSE_SOLVE','MUMPS',info) call prec%set('COARSE_SOLVE','MUMPS',info)
#elif defined(HAVE_SLU_) #elif defined(HAVE_SLU_)
call prec%set('COARSE_SOLVE','SLU',info) call prec%set('COARSE_SOLVE','SLU',info)
#else #else
call prec%set('COARSE_SOLVE','ILU',info) call prec%set('COARSE_SOLVE','ILU',info)
#endif #endif
case default case default
write(psb_err_unit,*) name,& write(psb_err_unit,*) name,&
&': Warning: Unknown preconditioner type request "',ptype,'"' &': Warning: Unknown preconditioner type request "',ptype,'"'
@ -239,5 +250,10 @@ subroutine amg_dprecinit(ctxt,prec,ptype,info)
end select end select
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine amg_dprecinit end subroutine amg_dprecinit

138
amgprec/impl/amg_sprecinit.F90
Unescape Escape View File

@ -1,15 +1,15 @@
! !
! !
! AMG4PSBLAS version 1.0 ! AMG4PSBLAS version 1.0
! Algebraic Multigrid Package ! Algebraic Multigrid Package
! based on PSBLAS (Parallel Sparse BLAS version 3.7) ! based on PSBLAS (Parallel Sparse BLAS version 3.7)
! !
! (C) Copyright 2021 ! (C) Copyright 2021
! !
! Salvatore Filippone ! Salvatore Filippone
! Pasqua D'Ambra ! Pasqua D'Ambra
! Fabio Durastante ! Fabio Durastante
! !
! Redistribution and use in source and binary forms, with or without ! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions ! modification, are permitted provided that the following conditions
! are met: ! are met:
@ -21,7 +21,7 @@
! 3. The name of the AMG4PSBLAS group or the names of its contributors may ! 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 ! not be used to endorse or promote products derived from this
! software without specific written permission. ! software without specific written permission.
! !
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR ! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -33,8 +33,8 @@
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ! 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 ! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE. ! POSSIBILITY OF SUCH DAMAGE.
! !
! !
! File: amg_sprecinit.f90 ! File: amg_sprecinit.f90
! !
! Subroutine: amg_sprecinit ! Subroutine: amg_sprecinit
@ -42,21 +42,21 @@
! !
! This routine allocates and initializes the preconditioner data structure, ! This routine allocates and initializes the preconditioner data structure,
! according to the preconditioner type chosen by the user. ! according to the preconditioner type chosen by the user.
! !
! A default preconditioner is set for each preconditioner type ! A default preconditioner is set for each preconditioner type
! specified by the user: ! specified by the user:
! !
! 'NOPREC' - no preconditioner ! 'NOPREC' - no preconditioner
! !
! 'DIAG', 'JACOBI' - diagonal/Jacobi ! 'DIAG', 'JACOBI' - diagonal/Jacobi
! !
! 'L1-DIAG', 'L1-JACOBI' - diagonal/Jacobi with L1 norm correction ! 'L1-DIAG', 'L1-JACOBI' - diagonal/Jacobi with L1 norm correction
! !
! 'GS', 'FBGS' - Hybrid Gauss-Seidel, also symmetrized ! 'GS', 'FBGS' - Hybrid Gauss-Seidel, also symmetrized
! !
! 'BJAC' - block Jacobi preconditioner, with ILU(0) ! 'BJAC' - block Jacobi preconditioner, with ILU(0)
! on the local blocks ! on the local blocks
! !
! 'L1-BJAC' - block Jacobi preconditioner, with ILU(0) ! 'L1-BJAC' - block Jacobi preconditioner, with ILU(0)
! on the local blocks and L1 correction for off-diag blocks ! on the local blocks and L1 correction for off-diag blocks
! !
@ -70,12 +70,12 @@
! applied as post-smoother at each level, but the ! applied as post-smoother at each level, but the
! coarsest one; four sweeps of the block-Jacobi solver, ! coarsest one; four sweeps of the block-Jacobi solver,
! with LU from UMFPACK on the blocks, are applied at ! with LU from UMFPACK on the blocks, are applied at
! the coarsest level, on the distributed coarse matrix. ! the coarsest level, on the distributed coarse matrix.
! The smoothed aggregation algorithm with threshold 0 ! The smoothed aggregation algorithm with threshold 0
! is used to build the coarse matrix. ! is used to build the coarse matrix.
! !
! For the multilevel preconditioners, the levels are numbered in increasing ! For the multilevel preconditioners, the levels are numbered in increasing
! order starting from the finest one, i.e. level 1 is the finest level. ! order starting from the finest one, i.e. level 1 is the finest level.
! !
! !
! Arguments: ! Arguments:
@ -87,7 +87,7 @@
! lowercase strings). ! lowercase strings).
! info - integer, output. ! info - integer, output.
! Error code. ! Error code.
! !
subroutine amg_sprecinit(ctxt,prec,ptype,info) subroutine amg_sprecinit(ctxt,prec,ptype,info)
use psb_base_mod use psb_base_mod
@ -113,98 +113,105 @@ subroutine amg_sprecinit(ctxt,prec,ptype,info)
! Local variables ! Local variables
integer(psb_ipk_) :: nlev_, ilev_ integer(psb_ipk_) :: nlev_, ilev_
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: debug_level, debug_unit
real(psb_spk_) :: thr real(psb_spk_) :: thr
character(len=*), parameter :: name='amg_precinit' character(len=*), parameter :: name='amg_precinit'
info = psb_success_ info = psb_success_
call psb_erractionsave(err_act)
if (allocated(prec%precv)) then if (psb_errstatus_fatal()) then
call prec%free(info) info = psb_err_internal_error_; goto 9999
if (info /= psb_success_) then end if
! Do we want to do something? debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
if (allocated(prec%precv)) then
call prec%free(info)
if (info /= psb_success_) then
! Do we want to do something?
endif endif
endif endif
prec%ctxt = ctxt prec%ctxt = ctxt
prec%ag_data%min_coarse_size = -1 call prec%ag_data%default()
prec%ag_data%min_coarse_size_per_process = -1
select case(psb_toupper(trim(ptype))) select case(psb_toupper(trim(ptype)))
case ('NOPREC','NONE') case ('NOPREC','NONE')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_s_base_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_s_base_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_s_id_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_s_id_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('JAC','DIAG','JACOBI') case ('JAC','DIAG','JACOBI')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_s_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_s_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_s_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_s_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('L1-DIAG','L1-JACOBI','L1_DIAG','L1_JACOBI') case ('L1-DIAG','L1-JACOBI','L1_DIAG','L1_JACOBI')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_s_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_s_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_s_l1_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_s_l1_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('GS','FWGS') case ('GS','FWGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_s_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_s_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_s_gs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_s_gs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('BWGS') case ('BWGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_s_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_s_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_s_bwgs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_s_bwgs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('FBGS') case ('FBGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
call prec%set('SMOOTHER_TYPE','FBGS',info) call prec%set('SMOOTHER_TYPE','FBGS',info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('BJAC') case ('BJAC')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_s_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_s_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_s_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_s_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('L1-BJAC','L1_BJAC') case ('L1-BJAC','L1_BJAC')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_s_l1_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_s_l1_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_s_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_s_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('AS') case ('AS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_s_as_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_s_as_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_s_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_s_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
@ -213,20 +220,24 @@ subroutine amg_sprecinit(ctxt,prec,ptype,info)
nlev_ = prec%ag_data%max_levs nlev_ = prec%ag_data%max_levs
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
if (info /= psb_success_ ) then
call psb_errpush(info,name,a_err='Error from hierarchy init')
goto 9999
endif
do ilev_ = 1, nlev_ do ilev_ = 1, nlev_
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
end do end do
call prec%set('ML_CYCLE','VCYCLE',info) call prec%set('ML_CYCLE','VCYCLE',info)
call prec%set('SMOOTHER_TYPE','FBGS',info) call prec%set('SMOOTHER_TYPE','FBGS',info)
#if defined(HAVE_MUMPS_) #if defined(HAVE_MUMPS_)
call prec%set('COARSE_SOLVE','MUMPS',info) call prec%set('COARSE_SOLVE','MUMPS',info)
#elif defined(HAVE_SLU_) #elif defined(HAVE_SLU_)
call prec%set('COARSE_SOLVE','SLU',info) call prec%set('COARSE_SOLVE','SLU',info)
#else #else
call prec%set('COARSE_SOLVE','ILU',info) call prec%set('COARSE_SOLVE','ILU',info)
#endif #endif
case default case default
write(psb_err_unit,*) name,& write(psb_err_unit,*) name,&
&': Warning: Unknown preconditioner type request "',ptype,'"' &': Warning: Unknown preconditioner type request "',ptype,'"'
@ -234,5 +245,10 @@ subroutine amg_sprecinit(ctxt,prec,ptype,info)
end select end select
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine amg_sprecinit end subroutine amg_sprecinit

138
amgprec/impl/amg_zprecinit.F90
Unescape Escape View File

@ -1,15 +1,15 @@
! !
! !
! AMG4PSBLAS version 1.0 ! AMG4PSBLAS version 1.0
! Algebraic Multigrid Package ! Algebraic Multigrid Package
! based on PSBLAS (Parallel Sparse BLAS version 3.7) ! based on PSBLAS (Parallel Sparse BLAS version 3.7)
! !
! (C) Copyright 2021 ! (C) Copyright 2021
! !
! Salvatore Filippone ! Salvatore Filippone
! Pasqua D'Ambra ! Pasqua D'Ambra
! Fabio Durastante ! Fabio Durastante
! !
! Redistribution and use in source and binary forms, with or without ! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions ! modification, are permitted provided that the following conditions
! are met: ! are met:
@ -21,7 +21,7 @@
! 3. The name of the AMG4PSBLAS group or the names of its contributors may ! 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 ! not be used to endorse or promote products derived from this
! software without specific written permission. ! software without specific written permission.
! !
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR ! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -33,8 +33,8 @@
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ! 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 ! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE. ! POSSIBILITY OF SUCH DAMAGE.
! !
! !
! File: amg_zprecinit.f90 ! File: amg_zprecinit.f90
! !
! Subroutine: amg_zprecinit ! Subroutine: amg_zprecinit
@ -42,21 +42,21 @@
! !
! This routine allocates and initializes the preconditioner data structure, ! This routine allocates and initializes the preconditioner data structure,
! according to the preconditioner type chosen by the user. ! according to the preconditioner type chosen by the user.
! !
! A default preconditioner is set for each preconditioner type ! A default preconditioner is set for each preconditioner type
! specified by the user: ! specified by the user:
! !
! 'NOPREC' - no preconditioner ! 'NOPREC' - no preconditioner
! !
! 'DIAG', 'JACOBI' - diagonal/Jacobi ! 'DIAG', 'JACOBI' - diagonal/Jacobi
! !
! 'L1-DIAG', 'L1-JACOBI' - diagonal/Jacobi with L1 norm correction ! 'L1-DIAG', 'L1-JACOBI' - diagonal/Jacobi with L1 norm correction
! !
! 'GS', 'FBGS' - Hybrid Gauss-Seidel, also symmetrized ! 'GS', 'FBGS' - Hybrid Gauss-Seidel, also symmetrized
! !
! 'BJAC' - block Jacobi preconditioner, with ILU(0) ! 'BJAC' - block Jacobi preconditioner, with ILU(0)
! on the local blocks ! on the local blocks
! !
! 'L1-BJAC' - block Jacobi preconditioner, with ILU(0) ! 'L1-BJAC' - block Jacobi preconditioner, with ILU(0)
! on the local blocks and L1 correction for off-diag blocks ! on the local blocks and L1 correction for off-diag blocks
! !
@ -70,12 +70,12 @@
! applied as post-smoother at each level, but the ! applied as post-smoother at each level, but the
! coarsest one; four sweeps of the block-Jacobi solver, ! coarsest one; four sweeps of the block-Jacobi solver,
! with LU from UMFPACK on the blocks, are applied at ! with LU from UMFPACK on the blocks, are applied at
! the coarsest level, on the distributed coarse matrix. ! the coarsest level, on the distributed coarse matrix.
! The smoothed aggregation algorithm with threshold 0 ! The smoothed aggregation algorithm with threshold 0
! is used to build the coarse matrix. ! is used to build the coarse matrix.
! !
! For the multilevel preconditioners, the levels are numbered in increasing ! For the multilevel preconditioners, the levels are numbered in increasing
! order starting from the finest one, i.e. level 1 is the finest level. ! order starting from the finest one, i.e. level 1 is the finest level.
! !
! !
! Arguments: ! Arguments:
@ -87,7 +87,7 @@
! lowercase strings). ! lowercase strings).
! info - integer, output. ! info - integer, output.
! Error code. ! Error code.
! !
subroutine amg_zprecinit(ctxt,prec,ptype,info) subroutine amg_zprecinit(ctxt,prec,ptype,info)
use psb_base_mod use psb_base_mod
@ -116,98 +116,105 @@ subroutine amg_zprecinit(ctxt,prec,ptype,info)
! Local variables ! Local variables
integer(psb_ipk_) :: nlev_, ilev_ integer(psb_ipk_) :: nlev_, ilev_
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: debug_level, debug_unit
real(psb_dpk_) :: thr real(psb_dpk_) :: thr
character(len=*), parameter :: name='amg_precinit' character(len=*), parameter :: name='amg_precinit'
info = psb_success_ info = psb_success_
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()
if (allocated(prec%precv)) then if (allocated(prec%precv)) then
call prec%free(info) call prec%free(info)
if (info /= psb_success_) then if (info /= psb_success_) then
! Do we want to do something? ! Do we want to do something?
endif endif
endif endif
prec%ctxt = ctxt prec%ctxt = ctxt
prec%ag_data%min_coarse_size = -1 call prec%ag_data%default()
prec%ag_data%min_coarse_size_per_process = -1
select case(psb_toupper(trim(ptype))) select case(psb_toupper(trim(ptype)))
case ('NOPREC','NONE') case ('NOPREC','NONE')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_z_base_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_z_base_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_z_id_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_z_id_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('JAC','DIAG','JACOBI') case ('JAC','DIAG','JACOBI')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_z_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_z_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_z_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_z_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('L1-DIAG','L1-JACOBI','L1_DIAG','L1_JACOBI') case ('L1-DIAG','L1-JACOBI','L1_DIAG','L1_JACOBI')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_z_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_z_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_z_l1_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_z_l1_diag_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('GS','FWGS') case ('GS','FWGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_z_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_z_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_z_gs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_z_gs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('BWGS') case ('BWGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_z_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_z_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_z_bwgs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_z_bwgs_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('FBGS') case ('FBGS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
call prec%set('SMOOTHER_TYPE','FBGS',info) call prec%set('SMOOTHER_TYPE','FBGS',info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('BJAC') case ('BJAC')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_z_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_z_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_z_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_z_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('L1-BJAC','L1_BJAC') case ('L1-BJAC','L1_BJAC')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_z_l1_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_z_l1_jac_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_z_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_z_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
case ('AS') case ('AS')
nlev_ = 1 nlev_ = 1
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
allocate(amg_z_as_smoother_type :: prec%precv(ilev_)%sm, stat=info) allocate(amg_z_as_smoother_type :: prec%precv(ilev_)%sm, stat=info)
if (info /= psb_success_) return if (info /= psb_success_) return
allocate(amg_z_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info) allocate(amg_z_ilu_solver_type :: prec%precv(ilev_)%sm%sv, stat=info)
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
@ -216,22 +223,26 @@ subroutine amg_zprecinit(ctxt,prec,ptype,info)
nlev_ = prec%ag_data%max_levs nlev_ = prec%ag_data%max_levs
ilev_ = 1 ilev_ = 1
allocate(prec%precv(nlev_),stat=info) allocate(prec%precv(nlev_),stat=info)
if (info /= psb_success_ ) then
call psb_errpush(info,name,a_err='Error from hierarchy init')
goto 9999
endif
do ilev_ = 1, nlev_ do ilev_ = 1, nlev_
call prec%precv(ilev_)%default() call prec%precv(ilev_)%default()
end do end do
call prec%set('ML_CYCLE','VCYCLE',info) call prec%set('ML_CYCLE','VCYCLE',info)
call prec%set('SMOOTHER_TYPE','FBGS',info) call prec%set('SMOOTHER_TYPE','FBGS',info)
#if defined(HAVE_UMF_) #if defined(HAVE_UMF_)
call prec%set('COARSE_SOLVE','UMF',info) call prec%set('COARSE_SOLVE','UMF',info)
#elif defined(HAVE_MUMPS_) #elif defined(HAVE_MUMPS_)
call prec%set('COARSE_SOLVE','MUMPS',info) call prec%set('COARSE_SOLVE','MUMPS',info)
#elif defined(HAVE_SLU_) #elif defined(HAVE_SLU_)
call prec%set('COARSE_SOLVE','SLU',info) call prec%set('COARSE_SOLVE','SLU',info)
#else #else
call prec%set('COARSE_SOLVE','ILU',info) call prec%set('COARSE_SOLVE','ILU',info)
#endif #endif
case default case default
write(psb_err_unit,*) name,& write(psb_err_unit,*) name,&
&': Warning: Unknown preconditioner type request "',ptype,'"' &': Warning: Unknown preconditioner type request "',ptype,'"'
@ -239,5 +250,10 @@ subroutine amg_zprecinit(ctxt,prec,ptype,info)
end select end select
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine amg_zprecinit end subroutine amg_zprecinit

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