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New crea_index internals.

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new-context
Salvatore Filippone 5 years ago
parent debb03b6ae
commit 2b295de9e7
4 changed files with 116 additions and 230 deletions
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3
base/internals/Makefile
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@ -4,7 +4,8 @@ FOBJS = psi_compute_size.o psi_crea_bnd_elem.o psi_crea_index.o \
psi_crea_ovr_elem.o psi_bld_tmpovrl.o psi_dl_check.o \
psi_bld_tmphalo.o psi_sort_dl.o \
psi_indx_map_fnd_owner.o \
psi_desc_impl.o psi_hash_impl.o psi_list_search.o psi_srtlist.o
psi_desc_impl.o psi_hash_impl.o psi_list_search.o psi_srtlist.o \
psi_bld_glb_dep_list.o psi_xtr_loc_dl.o
MPFOBJS = psi_desc_index.o psi_extrct_dl.o psi_fnd_owner.o psi_a2a_fnd_owner.o \
psi_graph_fnd_owner.o psi_adjcncy_fnd_owner.o psi_symm_dep_list.o

99
base/internals/psi_crea_index.f90
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@ -64,9 +64,10 @@ subroutine psi_i_crea_index(desc_a,index_in,index_out,nxch,nsnd,nrcv,info)
integer(psb_ipk_), allocatable, intent(inout) :: index_out(:)
! ....local scalars...
integer(psb_ipk_) :: ictxt, me, np, mode, err_act, dl_lda
integer(psb_ipk_) :: ictxt, me, np, mode, err_act, dl_lda, ldl
! ...parameters...
integer(psb_ipk_), allocatable :: dep_list(:,:), length_dl(:)
integer(psb_ipk_), allocatable :: dep_list(:,:), length_dl(:), loc_dl(:)
integer(psb_ipk_) :: dlmax, dlavg
integer(psb_ipk_),parameter :: root=psb_root_,no_comm=-1
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name
@ -136,54 +137,80 @@ subroutine psi_i_crea_index(desc_a,index_in,index_out,nxch,nsnd,nrcv,info)
goto 9999
end if
if (do_timings) call psb_toc(idx_phase2)
ldl = length_dl(me)
loc_dl = dep_list(1:ldl,me)
else
if (do_timings) call psb_tic(idx_phase1)
call psi_extract_dep_list(ictxt,&
call psi_extract_loc_dl(ictxt,&
& desc_a%is_bld(), desc_a%is_upd(),&
& index_in, dep_list,length_dl,dl_lda,mode,info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='extrct_dl')
goto 9999
& index_in, loc_dl,length_dl,info)
dlmax = maxval(length_dl(:))
dlavg = (sum(length_dl(:))+np-1)/np
!!$ if ((dlmax>0).and.(me==0)) write(0,*) 'Dependency list : max:',dlmax,&
!!$ & ' avg:',dlavg, ((dlmax>np/3).or.((dlavg>=np/4).and.(np>128)))
if (choose_sorting(dlmax,dlavg,np)) then
call psi_bld_glb_dep_list(ictxt,&
& loc_dl,length_dl,dep_list,dl_lda,info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='extrct_dl')
goto 9999
end if
if (debug_level >= psb_debug_inner_) &
& write(debug_unit,*) me,' ',trim(name),': from extract_dep_list',&
& me,length_dl(0),index_in(1), ':',dep_list(:length_dl(me),me)
! ...now process root contains dependence list of all processes...
if (debug_level >= psb_debug_inner_) &
& write(debug_unit,*) me,' ',trim(name),': root sorting dep list'
if (do_timings) call psb_toc(idx_phase1)
if (do_timings) call psb_tic(idx_phase2)
call psi_dl_check(dep_list,dl_lda,np,length_dl)
! ....now i can sort dependency lists.
call psi_sort_dl(dep_list,length_dl,np,info)
if(info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='psi_sort_dl')
goto 9999
end if
if (do_timings) call psb_toc(idx_phase2)
ldl = length_dl(me)
loc_dl = dep_list(1:ldl,me)
else
! Do nothing
ldl = length_dl(me)
loc_dl = loc_dl(1:ldl)
end if
if (debug_level >= psb_debug_inner_) &
& write(debug_unit,*) me,' ',trim(name),': from extract_dep_list',&
& me,length_dl(0),index_in(1), ':',dep_list(:length_dl(me),me)
! ...now process root contains dependence list of all processes...
if (debug_level >= psb_debug_inner_) &
& write(debug_unit,*) me,' ',trim(name),': root sorting dep list'
if (do_timings) call psb_toc(idx_phase1)
if (do_timings) call psb_tic(idx_phase2)
call psi_dl_check(dep_list,dl_lda,np,length_dl)
! ....now i can sort dependency lists.
call psi_sort_dl(dep_list,length_dl,np,info)
if(info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='psi_sort_dl')
goto 9999
end if
if (do_timings) call psb_toc(idx_phase2)
end if
if (do_timings) call psb_tic(idx_phase3)
if (do_timings) call psb_tic(idx_phase3)
if(debug_level >= psb_debug_inner_)&
& write(debug_unit,*) me,' ',trim(name),': calling psi_desc_index'
& write(debug_unit,*) me,' ',trim(name),': calling psi_desc_index',ldl,':',loc_dl(1:ldl)
! Do the actual format conversion.
call psi_desc_index(desc_a,index_in,dep_list(1:,me),&
& length_dl(me),nsnd,nrcv, index_out,info)
call psi_desc_index(desc_a,index_in,loc_dl,ldl,nsnd,nrcv,index_out,info)
if(debug_level >= psb_debug_inner_) &
& write(debug_unit,*) me,' ',trim(name),': out of psi_desc_index',&
& size(index_out)
nxch = length_dl(me)
nxch = ldl
if(info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='psi_desc_index')
goto 9999
end if
if (do_timings) call psb_toc(idx_phase3)
deallocate(dep_list,length_dl)
if (allocated(dep_list)) deallocate(dep_list,stat=info)
if ((info==0).and.allocated(length_dl)) deallocate(length_dl,stat=info)
if (info /= 0) then
info = psb_err_alloc_dealloc_
goto 9999
end if
if(debug_level >= psb_debug_inner_) &
& write(debug_unit,*) me,' ',trim(name),': done'
@ -193,4 +220,14 @@ subroutine psi_i_crea_index(desc_a,index_in,index_out,nxch,nsnd,nrcv,info)
9999 call psb_error_handler(ictxt,err_act)
return
contains
function choose_sorting(dlmax,dlavg,np) result(val)
implicit none
integer(psb_ipk_), intent(in) :: dlmax,dlavg,np
logical :: val
val = .not.(((dlmax>(27*4)).or.((dlavg>=(27*2)).and.(np>128))))
val = .false.
end function choose_sorting
end subroutine psi_i_crea_index

222
base/internals/psi_xtr_loc_dl.F90
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@ -29,8 +29,7 @@
! POSSIBILITY OF SUCH DAMAGE.
!
!
subroutine psi_i_xtr_loc_dl(ictxt,is_bld,is_upd,desc_str,loc_dl,&
& ldl,max_ldl,mode,info)
subroutine psi_i_xtr_loc_dl(ictxt,is_bld,is_upd,desc_str,loc_dl,length_dl,info)
! internal routine
! == = =============
@ -104,20 +103,11 @@ subroutine psi_i_xtr_loc_dl(ictxt,is_bld,is_upd,desc_str,loc_dl,&
! np integer (global input)
! number of grid process.
!
! mode integer (global input)
! if mode =0 then will be inserted also duplicate element in
! a same dependence list
! if mode =1 then not will be inserted duplicate element in
! a same dependence list
! output
! == = ==
! only for root (pid=0) process:
! dep_list integer array(dl_lda,0:np)
! dependence list dep_list(*,i) is the list of process identifiers to which process i
! must communicate with. this list with its order is extracted from
! desc_str list.
! length_dl integer array(0:np)
! length_dl(i) is the length of dep_list(*,i) list
! loc_dl integer array(:)
! dependence list of current process
!
use psi_mod, psb_protect_name => psi_i_xtr_loc_dl
#ifdef MPI_MOD
use mpi
@ -133,22 +123,19 @@ subroutine psi_i_xtr_loc_dl(ictxt,is_bld,is_upd,desc_str,loc_dl,&
#endif
! ....scalar parameters...
logical, intent(in) :: is_bld, is_upd
integer(psb_ipk_), intent(in) :: ictxt,mode
integer(psb_ipk_), intent(out) :: max_ldl, ldl
integer(psb_ipk_), intent(in) :: desc_str(*)
integer(psb_ipk_), allocatable, intent(out) :: loc_dl(:)
integer(psb_ipk_), intent(in) :: ictxt
integer(psb_ipk_), intent(in) :: desc_str(:)
integer(psb_ipk_), allocatable, intent(out) :: loc_dl(:), length_dl(:)
integer(psb_ipk_), intent(out) :: info
! .....local arrays....
integer(psb_ipk_) :: int_err(5)
integer(psb_ipk_), allocatable :: itmp(:)
! .....local scalars...
integer(psb_ipk_) :: i,pointer_dep_list,proc,j,err_act
integer(psb_ipk_) :: i,pdl,proc,j,err_act, ldu
integer(psb_ipk_) :: err
integer(psb_ipk_) :: debug_level, debug_unit
integer(psb_ipk_), allocatable :: length_dl(:)
integer(psb_mpk_) :: iictxt, icomm, me, np, minfo
logical, parameter :: dist_symm_list=.false., print_dl=.false., profile=.true.
logical, parameter :: dist_symm_list=.true., print_dl=.false., profile=.true.
character name*20
name='psi_extrct_dl'
@ -159,20 +146,19 @@ subroutine psi_i_xtr_loc_dl(ictxt,is_bld,is_upd,desc_str,loc_dl,&
info = psb_success_
call psb_info(iictxt,me,np)
allocate(itmp(2*np+1),length_dl(0:np),stat=info)
pdl = size(desc_str)
allocate(loc_dl(pdl+1),length_dl(0:np),stat=info)
if (info /= psb_success_) then
info=psb_err_alloc_dealloc_
goto 9999
end if
do i=0,np
length_dl(i) = 0
itmp(i+1) = -1
enddo
i=1
if (debug_level >= psb_debug_inner_)&
& write(debug_unit,*) me,' ',trim(name),': start ',info
pointer_dep_list=1
loc_dl = -1
i = 1
pdl = 0
if (is_bld) then
do while (desc_str(i) /= -1)
if (debug_level >= psb_debug_inner_)&
@ -193,24 +179,8 @@ subroutine psi_i_xtr_loc_dl(ictxt,is_bld,is_upd,desc_str,loc_dl,&
goto 9999
endif
! if((me == 1).and.(proc == 3))write(psb_err_unit,*)'found 3'
if (mode == 1) then
! ...search if already exist proc
! in itmp(*)...
j=1
do while ((j < pointer_dep_list).and.&
& (itmp(j) /= proc))
j=j+1
enddo
if (j == pointer_dep_list) then
! ...if not found.....
itmp(pointer_dep_list)=proc
pointer_dep_list=pointer_dep_list+1
endif
else if (mode == 0) then
itmp(pointer_dep_list)=proc
pointer_dep_list=pointer_dep_list+1
endif
pdl=pdl+1
loc_dl(pdl)=proc
endif
i=i+desc_str(i+1)+2
enddo
@ -227,159 +197,25 @@ subroutine psi_i_xtr_loc_dl(ictxt,is_bld,is_upd,desc_str,loc_dl,&
proc=desc_str(i)
! ..if number of element to be exchanged !=0
if (mode == 1) then
! ...search if already exist proc....
j=1
do while ((j < pointer_dep_list).and.&
& (itmp(j) /= proc))
j=j+1
enddo
if (j == pointer_dep_list) then
! ...if not found.....
itmp(pointer_dep_list)=proc
pointer_dep_list=pointer_dep_list+1
endif
else if (mode == 0) then
itmp(pointer_dep_list)=proc
pointer_dep_list=pointer_dep_list+1
endif
pdl=pdl+1
loc_dl(pdl)=proc
endif
i=i+desc_str(i+1)+2
enddo
else
info = 2020
goto 9999
endif
length_dl(me)=pointer_dep_list-1
if ((profile).and.(me==0)) then
block
integer(psb_ipk_) :: dlmax, dlavg
dlmax = maxval(length_dl(:))
dlavg = (sum(length_dl(:))+np-1)/np
if (dlmax>0) write(0,*) 'Dependency list : max:',dlmax,&
& ' avg:',dlavg, ((dlmax>np/3).or.((dlavg>=np/4).and.(np>128)))
end block
end if
if (dist_symm_list) then
call psb_realloc(length_dl(me),itmp,info)
call psi_symm_dep_list(itmp,ictxt,info)
dl_lda = max(size(itmp),1)
call psb_max(iictxt, dl_lda)
if (debug_level >= psb_debug_inner_) &
& write(debug_unit,*) me,' ',trim(name),': Dep_list length ',length_dl(me),dl_lda
call psb_realloc(dl_lda,itmp,info)
! dl_lda = min(np,2*dl_lda)
allocate(dep_list(dl_lda,0:np),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call psb_sum(iictxt,length_dl(0:np))
icomm = psb_get_mpi_comm(iictxt)
call mpi_allgather(itmp,dl_lda,psb_mpi_ipk_,&
& dep_list,dl_lda,psb_mpi_ipk_,icomm,minfo)
info = minfo
if (info == 0) deallocate(itmp,stat=info)
if (info /= psb_success_) then
info=psb_err_alloc_dealloc_
goto 9999
endif
else
block
integer(psb_ipk_), allocatable :: list1(:,:), ldl2(:), list2(:,:)
integer(psb_ipk_) :: i,j,ip,dlsym, ldu, mdl, l1, l2
dl_lda = max(length_dl(me),1)
call psb_max(iictxt, dl_lda)
if (debug_level >= psb_debug_inner_) &
& write(debug_unit,*) me,' ',trim(name),': Dep_list length ',length_dl(me),dl_lda
allocate(dep_list(dl_lda,0:np),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call psb_sum(iictxt,length_dl(0:np))
icomm = psb_get_mpi_comm(iictxt)
call mpi_allgather(itmp,dl_lda,psb_mpi_ipk_,&
& dep_list,dl_lda,psb_mpi_ipk_,icomm,minfo)
info = minfo
if (info /= psb_success_) then
info=psb_err_alloc_dealloc_
goto 9999
endif
allocate(ldl2(0:np),stat=info)
ldl2 = 0
do j=0, np-1
do i=1,length_dl(j)
ip = dep_list(i,j)
ldl2(ip) = ldl2(ip) + 1
end do
end do
dlsym = maxval(ldl2)
allocate(list2(dlsym,0:np),stat=info)
call move_alloc(dep_list,list1)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
ldl2 = 0
do j=0, np-1
do i=1,length_dl(j)
ip = list1(i,j)
ldl2(ip) = ldl2(ip) + 1
list2(ldl2(ip),ip) = j
end do
end do
mdl = 0
do j = 0, np-1
l1 = length_dl(j)
l2 = ldl2(j)
itmp(1:l1) = list1(1:l1,j)
itmp(l1+1:l1+l2) = list2(1:l2,j)
ldu = l1 + l2
!if (me == 0) write(0,*) 'Iter ',j,':',l1,l2,':',itmp(1:l1),':',itmp(l1+1:l1+l2)
call psb_msort_unique(itmp(1:l1+l2),ldu)
mdl = max(mdl, ldu)
!if (me == 0) write(0,*) 'Iter ',j,':',ldu,':',itmp(1:ldu)
end do
dl_lda = mdl
allocate(dep_list(dl_lda,0:np),stat=info)
dep_list = -1
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
do j = 0, np-1
l1 = length_dl(j)
l2 = ldl2(j)
itmp(1:l1) = list1(1:l1,j)
itmp(l1+1:l1+l2) = list2(1:l2,j)
ldu = l1 + l2
call psb_msort_unique(itmp(1:l1+l2),ldu)
length_dl(j) = ldu
dep_list(1:ldu,j) = itmp(1:ldu)
end do
end block
endif
if (print_dl) then
if (me == 0) then
write(0,*) ' Dep_list '
do i=0,np-1
j = length_dl(i)
write(0,*) 'Proc ',i,':',dep_list(1:j,i)
end do
flush(0)
end if
call psb_barrier(ictxt)
end if
call psb_msort_unique(loc_dl(1:pdl),ldu)
pdl = ldu
call psb_realloc(pdl,loc_dl,info)
call psi_symm_dep_list(loc_dl,ictxt,info)
pdl = size(loc_dl)
length_dl = 0
length_dl(me) = pdl
call psb_sum(ictxt,length_dl)
call psb_erractionrestore(err_act)
return

22
base/modules/psi_i_mod.F90
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@ -126,16 +126,28 @@ module psi_i_mod
integer(psb_ipk_), intent(out) :: info
end subroutine psi_i_extract_dep_list
end interface psi_extract_dep_list
interface psi_bld_glb_dep_list
subroutine psi_i_bld_glb_dep_list(ictxt,loc_dl,&
& length_dl,dep_list,dl_lda,info)
import
implicit none
integer(psb_ipk_), intent(in) :: ictxt
integer(psb_ipk_), intent(out) :: dl_lda
integer(psb_ipk_), intent(in) :: loc_dl(:), length_dl(:)
integer(psb_ipk_), allocatable, intent(out) :: dep_list(:,:)
integer(psb_ipk_), intent(out) :: info
end subroutine psi_i_bld_glb_dep_list
end interface psi_bld_glb_dep_list
interface psi_extract_loc_dl
subroutine psi_i_xtr_loc_dl(ictxt,is_bld,is_upd,desc_str,loc_dl,&
& ldl,max_ldl,mode,info)
& length_dl,info)
import
logical, intent(in) :: is_bld, is_upd
integer(psb_ipk_), intent(in) :: ictxt,mode
integer(psb_ipk_), intent(out) :: max_ldl, ldl
integer(psb_ipk_), intent(in) :: desc_str(*)
integer(psb_ipk_), allocatable, intent(out) :: loc_dl(:)
integer(psb_ipk_), intent(in) :: ictxt
integer(psb_ipk_), intent(in) :: desc_str(:)
integer(psb_ipk_), allocatable, intent(out) :: loc_dl(:), length_dl(:)
integer(psb_ipk_), intent(out) :: info
end subroutine psi_i_xtr_loc_dl
end interface psi_extract_loc_dl

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