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Fix OpenMP version of hash_map and hash

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repack-csga
Salvatore Filippone 5 months ago
parent 188dee6842
commit fa86c91411
2 changed files with 261 additions and 346 deletions
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504
base/modules/desc/psb_hash_map_mod.F90
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@ -363,6 +363,9 @@ contains
else if (idxmap%is_valid()) then
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(mask,is,idx,mglob,idxmap,nrm,ncol,nrow,owned_) &
!$omp private(i,ip,lip,tlip,info)
do i = 1, is
if (mask(i)) then
ip = idx(i)
@ -388,7 +391,7 @@ contains
endif
end if
enddo
!$omp end parallel do
else
write(0,*) 'Hash status: invalid ',idxmap%get_state()
idx(1:is) = -1
@ -404,6 +407,9 @@ contains
else if (idxmap%is_valid()) then
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(is,idx,mglob,idxmap,nrm,ncol,nrow,owned_) &
!$omp private(i,ip,lip,tlip,info)
do i = 1, is
ip = idx(i)
if ((ip < 1 ).or.(ip>mglob)) then
@ -427,14 +433,12 @@ contains
idx(i) = lip
endif
enddo
!$omp end parallel do
else
write(0,*) 'Hash status: invalid ',idxmap%get_state()
idx(1:is) = -1
info = -1
end if
end if
end subroutine hash_g2lv1
@ -493,6 +497,9 @@ contains
else if (idxmap%is_valid()) then
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(mask,is,idxin,idxout,mglob,idxmap,nrm,ncol,nrow,owned_) &
!$omp private(i,ip,lip,tlip,info)
do i = 1, is
if (mask(i)) then
ip = idxin(i)
@ -518,6 +525,7 @@ contains
endif
end if
enddo
!$omp end parallel do
else
write(0,*) 'Hash status: invalid ',idxmap%get_state()
idxout(1:is) = -1
@ -533,6 +541,9 @@ contains
else if (idxmap%is_valid()) then
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(is,idxin,idxout,mglob,idxmap,nrm,ncol,nrow,owned_) &
!$omp private(i,ip,lip,tlip,info)
do i = 1, is
ip = idxin(i)
if ((ip < 1 ).or.(ip>mglob)) then
@ -556,14 +567,12 @@ contains
idxout(i) = lip
endif
enddo
!$omp end parallel do
else
write(0,*) 'Hash status: invalid ',idxmap%get_state()
idxout(1:is) = -1
info = -1
end if
end if
end subroutine hash_g2lv2
@ -649,7 +658,7 @@ contains
& err_act
integer(psb_lpk_) :: mglob, ip, nxt, tlip
type(psb_ctxt_type) :: ctxt
integer(psb_ipk_) :: me, np
integer(psb_ipk_) :: me, np,ith
character(len=20) :: name,ch_err
logical, allocatable :: mask_(:)
!!$ logical :: use_openmp = .true.
@ -683,363 +692,243 @@ contains
mglob = idxmap%get_gr()
nrow = idxmap%get_lr()
!write(0,*) me,name,' before loop ',psb_errstatus_fatal()
#ifdef OPENMP
!call OMP_init_lock(ins_lck)
if (idxmap%is_bld()) then
isLoopValid = .true.
ncol = idxmap%get_lc()
if (present(mask)) then
mask_ = mask
else
allocate(mask_(size(idx)))
mask_ = .true.
end if
#if defined(OPENMP)
isLoopValid = .true.
if (idxmap%is_bld()) then
if (present(lidx)) then
if (present(mask)) then
!$omp critical(hash_g2l_ins)
! $ OMP PARALLEL DO default(none) schedule(DYNAMIC) &
! $ OMP shared(name,me,is,idx,ins_lck,mask,mglob,idxmap,ncol,nrow,laddsz,lidx) &
! $ OMP private(i,ip,lip,tlip,nxt,info) &
! $ OMP reduction(.AND.:isLoopValid)
if (present(mask)) then
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(lidx,mask,name,me,is,idx,ins_lck,mglob,idxmap,ncol,nrow,laddsz) &
!$omp private(i,ip,lip,tlip,nxt,info) &
!$omp reduction(.AND.:isLoopValid)
do i = 1, is
info = 0
if (.not. isLoopValid) cycle
if (mask(i)) then
ip = idx(i)
if ((ip < 1 ).or.(ip>mglob)) then
if (mask(i)) then
ip = idx(i)
if ((ip < 1 ).or.(ip>mglob) ) then
idx(i) = -1
cycle
endif
!call OMP_set_lock(ins_lck)
ncol = idxmap%get_lc()
!call OMP_unset_lock(ins_lck)
! At first, we check the index presence in 'idxmap'. Usually
! the index is found. If it is not found, we repeat the checking,
! but inside a critical region.
call hash_inner_cnv(ip,lip,idxmap%hashvmask,&
& idxmap%hashv,idxmap%glb_lc,ncol)
if (lip < 0) then
!call OMP_set_lock(ins_lck)
! We check again if the index is already in 'idxmap', this
! time inside a critical region (we assume that the index
! is often already existing).
ncol = idxmap%get_lc()
nxt = lidx(i)
call hash_inner_cnv(ip,lip,idxmap%hashvmask,&
& idxmap%hashv,idxmap%glb_lc,ncol)
if (lip > 0) then
idx(i) = lip
else if (lip < 0) then
! Index not found
call psb_hash_searchinskey(ip,tlip,nxt,idxmap%hash,info)
lip = tlip
if (info >= 0) then
! 'nxt' is not equal to 'tlip' when the key is already inside
! the hash map. In that case 'tlip' is the value corresponding
! to the existing mapping.
if (nxt == tlip) then
ncol = MAX(ncol,nxt)
call psb_ensure_size(ncol,idxmap%loc_to_glob,info,&
& pad=-1_psb_lpk_,addsz=laddsz)
if (info /= psb_success_) then
!write(0,*) 'Error spot 1'
call psb_errpush(psb_err_from_subroutine_ai_,name,&
&a_err='psb_ensure_size',i_err=(/info/))
isLoopValid = .false.
idx(i) = -1
else
idx(i) = lip
idxmap%loc_to_glob(nxt) = ip
call idxmap%set_lc(ncol)
end if
end if
if (lip > 0) then
idx(i) = lip
info = psb_success_
else
!$omp critical(hash_g2l_ins)
tlip = lip
nxt = lidx(i)
if (nxt <= nrow) then
idx(i) = -1
else
call hash_inner_cnv(ip,lip,idxmap%hashvmask,idxmap%hashv,&
& idxmap%glb_lc,ncol)
if (lip > 0) then
idx(i) = lip
else
idx(i) = -1
call psb_hash_searchinskey(ip,lip,nxt,idxmap%hash,info)
if (info >=0) then
if (nxt == lip) then
call psb_ensure_size(nxt,idxmap%loc_to_glob,info,&
& pad=-1_psb_lpk_,addsz=laddsz)
if (info /= psb_success_) then
info=1
call psb_errpush(psb_err_from_subroutine_ai_,name,&
& a_err='psb_ensure_size',i_err=(/info/))
isLoopValid = .false.
end if
idxmap%loc_to_glob(nxt) = ip
call idxmap%set_lc(max(ncol,nxt))
endif
idx(i) = lip
info = psb_success_
else
call psb_errpush(psb_err_from_subroutine_ai_,name,&
& a_err='SearchInsKeyVal',i_err=(/info/))
isLoopValid = .false.
end if
end if
!call OMP_unset_lock(ins_lck)
end if
else
idx(i) = lip
endif
!$omp end critical(hash_g2l_ins)
end if
else
idx(i) = -1
end if
enddo
!$omp end parallel do
end do
! $ OMP END PARALLEL DO
!$omp end critical(hash_g2l_ins)
if (.not. isLoopValid) then
goto 9999
end if
else
!$omp critical(hash_g2l_ins)
else if (.not.present(mask)) then
! $ OMP PARALLEL DO default(none) schedule(DYNAMIC) &
! $ OMP shared(name,me,is,idx,ins_lck,mglob,idxmap,ncol,nrow,laddsz,lidx) &
! $ OMP private(i,ip,lip,tlip,nxt,info) &
! $ OMP reduction(.AND.:isLoopValid)
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(lidx,name,me,is,idx,ins_lck,mglob,idxmap,ncol,nrow,laddsz) &
!$omp private(i,ip,lip,tlip,nxt,info) &
!$omp reduction(.AND.:isLoopValid)
do i = 1, is
info = 0
if (.not. isLoopValid) cycle
ip = idx(i)
if ((ip < 1 ).or.(ip>mglob)) then
ip = idx(i)
if ((ip < 1 ).or.(ip>mglob) ) then
idx(i) = -1
cycle
endif
!call OMP_set_lock(ins_lck)
ncol = idxmap%get_lc()
!call OMP_unset_lock(ins_lck)
! At first, we check the index presence in 'idxmap'. Usually
! the index is found. If it is not found, we repeat the checking,
! but inside a critical region.
call hash_inner_cnv(ip,lip,idxmap%hashvmask,&
& idxmap%hashv,idxmap%glb_lc,ncol)
if (lip < 0) then
!call OMP_set_lock(ins_lck)
! We check again if the index is already in 'idxmap', this
! time inside a critical region (we assume that the index
! is often already existing).
ncol = idxmap%get_lc()
nxt = lidx(i)
call hash_inner_cnv(ip,lip,idxmap%hashvmask,&
& idxmap%hashv,idxmap%glb_lc,ncol)
if (lip > 0) then
idx(i) = lip
else if (lip < 0) then
call psb_hash_searchinskey(ip,tlip,nxt,idxmap%hash,info)
lip = tlip
if (info >= 0) then
! 'nxt' is not equal to 'tlip' when the key is already inside
! the hash map. In that case 'tlip' is the value corresponding
! to the existing mapping.
if (nxt == tlip) then
ncol = MAX(ncol,nxt)
call psb_ensure_size(ncol,idxmap%loc_to_glob,info,&
& pad=-1_psb_lpk_,addsz=laddsz)
if (info /= psb_success_) then
!write(0,*) 'Error spot 2'
call psb_errpush(psb_err_from_subroutine_ai_,name,&
&a_err='psb_ensure_size',i_err=(/info/))
isLoopValid = .false.
idx(i) = -1
else
idx(i) = lip
idxmap%loc_to_glob(nxt) = ip
call idxmap%set_lc(ncol)
end if
end if
if (lip > 0) then
idx(i) = lip
info = psb_success_
else
!$omp critical(hash_g2l_ins)
tlip = lip
nxt = lidx(i)
if (nxt <= nrow) then
idx(i) = -1
else
call hash_inner_cnv(ip,lip,idxmap%hashvmask,idxmap%hashv,&
& idxmap%glb_lc,ncol)
if (lip > 0) then
idx(i) = lip
else
idx(i) = -1
call psb_hash_searchinskey(ip,lip,nxt,idxmap%hash,info)
if (info >=0) then
if (nxt == lip) then
call psb_ensure_size(nxt,idxmap%loc_to_glob,info,&
& pad=-1_psb_lpk_,addsz=laddsz)
if (info /= psb_success_) then
info=1
call psb_errpush(psb_err_from_subroutine_ai_,name,&
& a_err='psb_ensure_size',i_err=(/info/))
isLoopValid = .false.
end if
idxmap%loc_to_glob(nxt) = ip
call idxmap%set_lc(max(ncol,nxt))
endif
idx(i) = lip
info = psb_success_
else
call psb_errpush(psb_err_from_subroutine_ai_,name,&
& a_err='SearchInsKeyVal',i_err=(/info/))
isLoopValid = .false.
end if
end if
!call OMP_unset_lock(ins_lck)
end if
else
idx(i) = lip
endif
!$omp end critical(hash_g2l_ins)
end if
end do
! $ OMP END PARALLEL DO
!$omp end critical(hash_g2l_ins)
if (.not. isLoopValid) then
goto 9999
end if
enddo
!$omp end parallel do
end if
else if (.not.present(lidx)) then
if(present(mask)) then
! $ OMP PARALLEL DO default(none) schedule(DYNAMIC) &
! $ OMP shared(name,me,is,idx,ins_lck,mask,mglob,idxmap,ncol,nrow,laddsz) &
! $ OMP private(i,ip,lip,tlip,nxt,info) &
! $ OMP reduction(.AND.:isLoopValid)
!$omp critical(hash_g2l_ins)
if (present(mask)) then
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(mask,name,me,is,idx,ins_lck,mglob,idxmap,ncol,nrow,laddsz) &
!$omp private(i,ip,lip,tlip,nxt,info) &
!$omp reduction(.AND.:isLoopValid)
do i = 1, is
info = 0
if (.not. isLoopValid) cycle
if (mask(i)) then
ip = idx(i)
if ((ip < 1 ).or.(ip>mglob)) then
ip = idx(i)
if ((ip < 1 ).or.(ip>mglob)) then
idx(i) = -1
cycle
endif
!call OMP_set_lock(ins_lck)
ncol = idxmap%get_lc()
!call OMP_unset_lock(ins_lck)
! At first, we check the index presence in 'idxmap'. Usually
! the index is found. If it is not found, we repeat the checking,
! but inside a critical region.
!write(0,*) me,name,' b hic 1 ',psb_errstatus_fatal()
ncol = idxmap%get_lc()
call hash_inner_cnv(ip,lip,idxmap%hashvmask,&
& idxmap%hashv,idxmap%glb_lc,ncol)
!write(0,*) me,name,' a hic 1 ',psb_errstatus_fatal()
if (lip < 0) then
!call OMP_set_lock(ins_lck)
! We check again if the index is already in 'idxmap', this
! time inside a critical region (we assume that the index
! is often already existing, so this lock is relatively rare).
ncol = idxmap%get_lc()
nxt = ncol + 1
!write(0,*) me,name,' b hic 2 ',psb_errstatus_fatal()
call hash_inner_cnv(ip,lip,idxmap%hashvmask,&
& idxmap%hashv,idxmap%glb_lc,ncol)
!write(0,*) me,name,' a hic 2 ',psb_errstatus_fatal()
if (lip > 0) then
idx(i) = lip
info = psb_success_
else
!$omp critical(hash_g2l_ins)
ncol = idxmap%get_lc()
nxt = ncol + 1
call hash_inner_cnv(ip,lip,idxmap%hashvmask,idxmap%hashv,&
& idxmap%glb_lc,ncol)
if (lip > 0) then
idx(i) = lip
else if (lip < 0) then
! Index not found
!write(0,*) me,name,' b hsik ',psb_errstatus_fatal()
call psb_hash_searchinskey(ip,tlip,nxt,idxmap%hash,info)
if (psb_errstatus_fatal()) write(0,*) me,name,' a hsik ',info,omp_get_thread_num()
!write(0,*) me,name,' a hsik ',psb_errstatus_fatal()
lip = tlip
if (info >= 0) then
!write(0,*) 'Error before spot 3', info
! 'nxt' is not equal to 'tlip' when the key is already inside
! the hash map. In that case 'tlip' is the value corresponding
! to the existing mapping.
if (nxt == tlip) then
ncol = MAX(ncol,nxt)
call psb_ensure_size(ncol,idxmap%loc_to_glob,info,&
idx(i) = lip
else
call psb_hash_searchinskey(ip,lip,nxt,idxmap%hash,info)
if (info >=0) then
if (nxt == lip) then
call psb_ensure_size(nxt,idxmap%loc_to_glob,info,&
& pad=-1_psb_lpk_,addsz=laddsz)
if (psb_errstatus_fatal()) write(0,*) me,name,' a esz ',info,omp_get_thread_num()
if (info /= psb_success_) then
!write(0,*) 'Error spot 3', info
info=1
call psb_errpush(psb_err_from_subroutine_ai_,name,&
&a_err='psb_ensure_size',i_err=(/info/))
& a_err='psb_ensure_size',i_err=(/info/))
isLoopValid = .false.
idx(i) = -1
else
idx(i) = lip
idxmap%loc_to_glob(nxt) = ip
call idxmap%set_lc(ncol)
end if
end if
idxmap%loc_to_glob(nxt) = ip
call idxmap%set_lc(nxt)
endif
idx(i) = lip
info = psb_success_
else
idx(i) = -1
call psb_errpush(psb_err_from_subroutine_ai_,name,&
& a_err='SearchInsKeyVal',i_err=(/info/))
isLoopValid = .false.
end if
!call OMP_unset_lock(ins_lck)
end if
else
idx(i) = lip
!$omp end critical(hash_g2l_ins)
end if
else
idx(i) = -1
end if
enddo
!$omp end parallel do
end do
! $ OMP END PARALLEL DO
!$omp end critical(hash_g2l_ins)
else if (.not.present(mask)) then
if (.not. isLoopValid) then
goto 9999
end if
else
! $ OMP PARALLEL DO default(none) schedule(DYNAMIC) &
! $ OMP shared(name,me,is,idx,ins_lck,mglob,idxmap,ncol,nrow,laddsz) &
! $ OMP private(i,ip,lip,tlip,nxt,info) &
! $ OMP reduction(.AND.:isLoopValid)
!$omp critical(hash_g2l_ins)
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(name,me,is,idx,ins_lck,mglob,idxmap,ncol,nrow,laddsz) &
!$omp private(i,ip,lip,tlip,nxt,info) &
!$omp reduction(.AND.:isLoopValid)
do i = 1, is
info = 0
if (.not. isLoopValid) cycle
ip = idx(i)
if ((ip < 1 ).or.(ip>mglob)) then
ip = idx(i)
if ((ip < 1 ).or.(ip>mglob)) then
idx(i) = -1
cycle
endif
!call OMP_set_lock(ins_lck)
ncol = idxmap%get_lc()
!call OMP_unset_lock(ins_lck)
! At first, we check the index presence in 'idxmap'. Usually
! the index is found. If it is not found, we repeat the checking,
! but inside a critical region.
ncol = idxmap%get_lc()
call hash_inner_cnv(ip,lip,idxmap%hashvmask,&
& idxmap%hashv,idxmap%glb_lc,ncol)
if (lip < 0) then
!call OMP_set_lock(ins_lck)
! We check again if the index is already in 'idxmap', this
! time inside a critical region (we assume that the index
! is often already existing).
ncol = idxmap%get_lc()
nxt = ncol + 1
call hash_inner_cnv(ip,lip,idxmap%hashvmask,&
& idxmap%hashv,idxmap%glb_lc,ncol)
if (lip > 0) then
idx(i) = lip
info = psb_success_
else
!$omp critical(hash_g2l_ins)
ncol = idxmap%get_lc()
nxt = ncol + 1
call hash_inner_cnv(ip,lip,idxmap%hashvmask,idxmap%hashv,&
& idxmap%glb_lc,ncol)
if (lip > 0) then
idx(i) = lip
else if (lip < 0) then
! Index not found
call psb_hash_searchinskey(ip,tlip,nxt,idxmap%hash,info)
lip = tlip
if (info >= 0) then
! 'nxt' is not equal to 'tlip' when the key is already inside
! the hash map. In that case 'tlip' is the value corresponding
! to the existing mapping.
if (nxt == tlip) then
ncol = MAX(ncol,nxt)
call psb_ensure_size(ncol,idxmap%loc_to_glob,info,&
idx(i) = lip
else
call psb_hash_searchinskey(ip,lip,nxt,idxmap%hash,info)
if (info >=0) then
if (nxt == lip) then
call psb_ensure_size(nxt,idxmap%loc_to_glob,info,&
& pad=-1_psb_lpk_,addsz=laddsz)
if (info /= psb_success_) then
!write(0,*) 'Error spot 4'
info=1
call psb_errpush(psb_err_from_subroutine_ai_,name,&
&a_err='psb_ensure_size',i_err=(/info/))
& a_err='psb_ensure_size',i_err=(/info/))
isLoopValid = .false.
idx(i) = -1
else
idx(i) = lip
idxmap%loc_to_glob(nxt) = ip
call idxmap%set_lc(ncol)
end if
end if
idxmap%loc_to_glob(nxt) = ip
call idxmap%set_lc(nxt)
endif
idx(i) = lip
info = psb_success_
else
idx(i) = -1
call psb_errpush(psb_err_from_subroutine_ai_,name,&
& a_err='SearchInsKeyVal',i_err=(/info/))
isLoopValid = .false.
end if
!call OMP_unset_lock(ins_lck)
end if
else
idx(i) = lip
!$omp end critical(hash_g2l_ins)
end if
end do
! $ OMP END PARALLEL DO
!$omp end critical(hash_g2l_ins)
if (.not. isLoopValid) then
goto 9999
end if
enddo
!$omp end parallel do
end if
end if
else
@ -1047,7 +936,7 @@ contains
idx = -1
info = -1
end if
!call OMP_destroy_lock(ins_lck)
if (.not. isLoopValid) goto 9999
#else
!!$ else if (.not.use_openmp) then
isLoopValid = .true.
@ -1066,13 +955,13 @@ contains
call hash_inner_cnv(ip,lip,idxmap%hashvmask,&
& idxmap%hashv,idxmap%glb_lc,ncol)
if (lip < 0) then
tlip = lip
nxt = lidx(i)
if (nxt <= nrow) then
idx(i) = -1
cycle
endif
call psb_hash_searchinskey(ip,tlip,nxt,idxmap%hash,info)
lip = tlip
if (info >=0) then
if (nxt == tlip) then
ncol = max(ncol,nxt)
@ -1747,6 +1636,9 @@ contains
! for a width of psb_hash_bits
!
if (present(mask)) then
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(n,hashv,hashmask,x,glb_lc,nrm,mask) &
!$omp private(i,key,idx,ih,nh,tmp,lb,ub,lm)
do i=1, n
if (mask(i)) then
key = x(i)
@ -1784,7 +1676,11 @@ contains
end if
end if
end do
!$omp end parallel do
else
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(n,hashv,hashmask,x,glb_lc,nrm) &
!$omp private(i,key,idx,ih,nh,tmp,lb,ub,lm)
do i=1, n
key = x(i)
ih = iand(key,hashmask)
@ -1820,6 +1716,7 @@ contains
x(i) = tmp
end if
end do
!$omp end parallel do
end if
end subroutine hash_inner_cnv1
@ -1842,6 +1739,9 @@ contains
! for a width of psb_hash_bits
!
if (present(mask)) then
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(n,hashv,hashmask,x,y,glb_lc,nrm,mask,psb_err_unit) &
!$omp private(i,key,idx,ih,nh,tmp,lb,ub,lm)
do i=1, n
if (mask(i)) then
key = x(i)
@ -1882,9 +1782,12 @@ contains
end if
end if
end do
!$omp end parallel do
else
!$omp parallel do default(none) schedule(dynamic) &
!$omp shared(n,hashv,hashmask,x,y,glb_lc,nrm,psb_err_unit) &
!$omp private(i,key,idx,ih,nh,tmp,lb,ub,lm)
do i=1, n
key = x(i)
ih = iand(key,hashmask)
@ -1923,6 +1826,7 @@ contains
y(i) = tmp
end if
end do
!$omp end parallel do
end if
end subroutine hash_inner_cnv2

103
base/modules/desc/psb_hash_mod.F90
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@ -383,12 +383,12 @@ contains
integer(psb_lpk_), intent(out) :: val
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: hsize,hmask, hk, hd
integer(psb_ipk_) :: hsize,hmask, hk, hd, i
logical :: redo
info = HashOK
hsize = hash%hsize
hmask = hash%hmask
val = -1
hk = iand(psb_hashval(key),hmask)
if (hk == 0) then
hd = 1
@ -400,56 +400,57 @@ contains
info = HashOutOfMemory
return
end if
val = -1
!$omp atomic
hash%nsrch = hash%nsrch + 1
!$omp end atomic
do
!$omp atomic
hash%nacc = hash%nacc + 1
!$omp end atomic
if (hash%table(hk,1) == key) then
val = hash%table(hk,2)
info = HashDuplicate
!write(0,*) 'In searchinskey 1 : ', info, HashDuplicate
return
end if
redo = .false.
!$omp critical(hashsearchins)
if (hash%table(hk,1) == key) then
val = hash%table(hk,2)
info = HashDuplicate
else
if (hash%table(hk,1) == HashFreeEntry) then
if (hash%nk == hash%hsize -1) then
!
! Note: because of the way we allocate things at CDALL
! time this is really unlikely; if we get here, we
! have at least as many halo indices as internals, which
! means we're already in trouble. But we try to keep going.
!
call psb_hash_realloc(hash,info)
if (info /= HashOk) then
info = HashOutOfMemory
!return
else
call psb_hash_searchinskey(key,val,nextval,hash,info)
!return
end if
if (hash%table(hk,1) == HashFreeEntry) then
if (hash%nk == hash%hsize -1) then
!
! Note: because of the way we allocate things at CDALL
! time this is really unlikely; if we get here, we
! have at least as many halo indices as internals, which
! means we're already in trouble. But we try to keep going.
!
call psb_hash_realloc(hash,info)
if (info /= HashOk) then
info = HashOutOfMemory
else
hash%nk = hash%nk + 1
hash%table(hk,1) = key
hash%table(hk,2) = nextval
val = nextval
!return
redo = .true.
end if
else
hash%nk = hash%nk + 1
hash%table(hk,1) = key
hash%table(hk,2) = nextval
val = nextval
info = HashOk
end if
else if (hash%table(hk,1) == key) then
val = hash%table(hk,2)
info = HashDuplicate
else
info = HashNotFound
end if
!$omp end critical(hashsearchins)
if (info /= HashOk) then
write(0,*) 'In searchinskey 2: ', info
if (redo) then
call psb_hash_searchinskey(key,val,nextval,hash,info)
return
end if
if (val > 0) return
if (val > 0) exit
hk = hk - hd
if (hk < 0) hk = hk + hsize
end do
!write(0,*) 'In searchinskey 3: ', info
end subroutine psb_hash_lsearchinskey
recursive subroutine psb_hash_isearchinskey(key,val,nextval,hash,info)
@ -459,10 +460,11 @@ contains
integer(psb_ipk_) :: hsize,hmask, hk, hd
logical :: redo
info = HashOK
hsize = hash%hsize
hmask = hash%hmask
hk = iand(psb_hashval(key),hmask)
if (hk == 0) then
hd = 1
@ -475,17 +477,22 @@ contains
return
end if
val = -1
val = -1
!$omp atomic
hash%nsrch = hash%nsrch + 1
!$omp end atomic
do
!$omp atomic
hash%nacc = hash%nacc + 1
!$omp end atomic
if (hash%table(hk,1) == key) then
val = hash%table(hk,2)
info = HashDuplicate
return
end if
redo = .false.
!$OMP CRITICAL
if (hash%table(hk,1) == HashFreeEntry) then
!$omp critical(hashsearchins)
if (hash%table(hk,1) == HashFreeEntry) then
if (hash%nk == hash%hsize -1) then
!
! Note: because of the way we allocate things at CDALL
@ -496,24 +503,28 @@ contains
call psb_hash_realloc(hash,info)
if (info /= HashOk) then
info = HashOutOfMemory
!return
else
redo = .true.
!!$ call psb_hash_searchinskey(key,val,nextval,hash,info)
!!$ return
end if
else
hash%nk = hash%nk + 1
hash%table(hk,1) = key
hash%table(hk,2) = nextval
val = nextval
!return
info = HashOk
end if
else if (hash%table(hk,1) == key) then
val = hash%table(hk,2)
info = HashDuplicate
else
info = HashNotFound
end if
!$OMP END CRITICAL
if (redo) call psb_hash_searchinskey(key,val,nextval,hash,info)
if (info /= HashOk) return
if (val > 0) return
!$omp end critical(hashsearchins)
if (redo) then
call psb_hash_searchinskey(key,val,nextval,hash,info)
return
end if
if (val > 0) exit
hk = hk - hd
if (hk < 0) hk = hk + hsize
end do
@ -551,7 +562,7 @@ contains
end if
if (hash%table(hk,1) == HashFreeEntry) then
val = HashFreeEntry
! !$ info = HashNotFound
info = HashNotFound
return
end if
hk = hk - hd
@ -591,7 +602,7 @@ contains
end if
if (hash%table(hk,1) == HashFreeEntry) then
val = HashFreeEntry
! !$ info = HashNotFound
info = HashNotFound
return
end if
hk = hk - hd

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