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SLUDIST to work on LPK8 like MUMPS

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This commit is contained in:
Salvatore Filippone
2022-05-19 11:53:15 +02:00
parent e02df3725e
commit 2f45f8631b
2 changed files with 24 additions and 61 deletions
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amgprec/amg_d_sludist_solver.F90
+12 -31
View File
@@ -52,7 +52,7 @@ module amg_d_sludist_solver
use iso_c_binding
use amg_d_base_solver_mod
#if (!defined(HAVE_SLUDIST_)) || defined(IPK8)
#if defined(LPK8)
type, extends(amg_d_base_solver_type) :: amg_d_sludist_solver_type
@@ -270,13 +270,11 @@ contains
! Local variables
type(psb_dspmat_type) :: atmp
type(psb_d_csr_sparse_mat) :: acsr
integer(psb_lpk_), allocatable :: gia(:), gja(:)
integer :: n_row,n_col, nrow_a, nztota, nglob, nzt, npr, npc
integer :: ifrst, ibcheck
type(psb_ctxt_type) :: ctxt
integer(psb_lpk_) :: lfrst
integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota, nglob, nzt, npr, npc
integer(psb_ipk_) :: ifrst, ibcheck
integer(psb_ipk_) :: np,me,i, err_act, debug_unit, debug_level
character(len=20) :: name='d_sludist_solver_bld', ch_err
integer :: np,me,i, err_act, debug_unit, debug_level
character(len=20) :: name='d_sludist_solver_bld', ch_err
info=psb_success_
call psb_erractionsave(err_act)
@@ -295,37 +293,19 @@ contains
n_col = desc_a%get_local_cols()
nglob = desc_a%get_global_rows()
!
! Strategy here is as follows: because a call to SLUDIST
! as a gobal solver is mostly done at the coarsest level,
! even if we start from a problem requiring 8 bytes, chances
! are that the global size will be suitable for 4 bytes
! anyway, so we hope for the best, and throw an error
! if something goes wrong.
!
if (nglob > huge(1_psb_ipk_)) then
write(0,*) me,' ',trim(name),': Error: overflow of local indices '
info=psb_err_internal_error_
call psb_errpush(info,name)
goto 9999
end if
call a%cscnv(atmp,info,type='csr')
! This in case we are dealing with AS
call a%cscnv(atmp,info,type='coo')
call psb_rwextd(n_row,atmp,info,b=b)
call atmp%cscnv(info,type='csr',dupl=psb_dupl_add_)
call atmp%mv_to(acsr)
nrow_a = acsr%get_nrows()
nztota = acsr%get_nzeros()
call psb_loc_to_glob(ione,lfrst,desc_a,info)
! Fix the entries to call C-base SuperLU
call psb_realloc(nztota,gja,info)
call psb_loc_to_glob(acsr%ja(1:nztota),gja(1:nztota), desc_a, info, iact='I')
acsr%ja(1:nztota) = gja(1:nztota)
call psb_loc_to_glob(1,ifrst,desc_a,info)
call psb_loc_to_glob(nrow_a,ibcheck,desc_a,info)
call psb_loc_to_glob(acsr%ja(1:nztota),desc_a,info,iact='I')
acsr%ja(:) = acsr%ja(:) - 1
acsr%irp(:) = acsr%irp(:) - 1
ifrst = lfrst - 1
ifrst = ifrst - 1
info = amg_dsludist_fact(nglob,nrow_a,nztota,ifrst,&
& acsr%val,acsr%irp,acsr%ja,sv%lufactors,&
& npr,npc)
@@ -338,6 +318,7 @@ contains
end if
call acsr%free()
call atmp%free()
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' end'
amgprec/amg_z_sludist_solver.F90
+12 -30
View File
@@ -52,7 +52,7 @@ module amg_z_sludist_solver
use iso_c_binding
use amg_z_base_solver_mod
#if (!defined(HAVE_SLUDIST_)) || defined(IPK8)
#if defined(LPK8)
type, extends(amg_z_base_solver_type) :: amg_z_sludist_solver_type
@@ -270,13 +270,11 @@ contains
! Local variables
type(psb_zspmat_type) :: atmp
type(psb_z_csr_sparse_mat) :: acsr
integer(psb_lpk_), allocatable :: gia(:), gja(:)
integer :: n_row,n_col, nrow_a, nztota, nglob, nzt, npr, npc
integer :: ifrst, ibcheck
type(psb_ctxt_type) :: ctxt
integer(psb_lpk_) :: lfrst
integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota, nglob, nzt, npr, npc
integer(psb_ipk_) :: ifrst, ibcheck
integer(psb_ipk_) :: np,me,i, err_act, debug_unit, debug_level
character(len=20) :: name='z_sludist_solver_bld', ch_err
integer :: np,me,i, err_act, debug_unit, debug_level
character(len=20) :: name='z_sludist_solver_bld', ch_err
info=psb_success_
call psb_erractionsave(err_act)
@@ -295,36 +293,19 @@ contains
n_col = desc_a%get_local_cols()
nglob = desc_a%get_global_rows()
!
! Strategy here is as follows: because a call to SLUDIST
! as a gobal solver is mostly done at the coarsest level,
! even if we start from a problem requiring 8 bytes, chances
! are that the global size will be suitable for 4 bytes
! anyway, so we hope for the best, and throw an error
! if something goes wrong.
!
if (nglob > huge(1_psb_ipk_)) then
write(0,*) me,' ',trim(name),': Error: overflow of local indices '
info=psb_err_internal_error_
call psb_errpush(info,name)
goto 9999
end if
call a%cscnv(atmp,info,type='csr')
! This in case we are dealing with AS
call a%cscnv(atmp,info,type='coo')
call psb_rwextd(n_row,atmp,info,b=b)
call atmp%cscnv(info,type='csr',dupl=psb_dupl_add_)
call atmp%mv_to(acsr)
nrow_a = acsr%get_nrows()
nztota = acsr%get_nzeros()
call psb_loc_to_glob(ione,lfrst,desc_a,info)
! Fix the entries to call C-base SuperLU
call psb_realloc(nztota,gja,info)
call psb_loc_to_glob(acsr%ja(1:nztota),gja(1:nztota), desc_a, info, iact='I')
acsr%ja(1:nztota) = gja(1:nztota)
call psb_loc_to_glob(1,ifrst,desc_a,info)
call psb_loc_to_glob(nrow_a,ibcheck,desc_a,info)
call psb_loc_to_glob(acsr%ja(1:nztota),desc_a,info,iact='I')
acsr%ja(:) = acsr%ja(:) - 1
acsr%irp(:) = acsr%irp(:) - 1
ifrst = lfrst - 1
ifrst = ifrst - 1
info = amg_zsludist_fact(nglob,nrow_a,nztota,ifrst,&
& acsr%val,acsr%irp,acsr%ja,sv%lufactors,&
& npr,npc)
@@ -337,6 +318,7 @@ contains
end if
call acsr%free()
call atmp%free()
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' end'