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Improve handling of fix_coo buffers with OpenMP

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repack-csga
sfilippone 7 months ago
parent ecccb13914
commit 70f51b9da8
4 changed files with 188 additions and 136 deletions
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81
base/serial/impl/psb_c_coo_impl.F90
Unescape Escape View File

@ -4174,7 +4174,6 @@ subroutine psb_c_fix_coo_inner(nr,nc,nzin,dupl,ia,ja,val,nzout,info,idir)
#if defined(OPENMP) #if defined(OPENMP)
integer(psb_ipk_) :: work,idxstart,idxend,first_elem,last_elem,s,nthreads,ithread integer(psb_ipk_) :: work,idxstart,idxend,first_elem,last_elem,s,nthreads,ithread
integer(psb_ipk_) :: saved_elem,old_val,nxt_val,err,act_row,act_col,maxthreads integer(psb_ipk_) :: saved_elem,old_val,nxt_val,err,act_row,act_col,maxthreads
integer(psb_ipk_), allocatable :: sum(:),kaux(:),idxaux(:)
#endif #endif
info = psb_success_ info = psb_success_
@ -4301,7 +4300,7 @@ subroutine psb_c_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
use_buffers = .false. use_buffers = .false.
end if end if
if (use_buffers) then !if (use_buffers) then
#if defined(OPENMP) #if defined(OPENMP)
!$omp workshare !$omp workshare
iaux(:) = 0 iaux(:) = 0
@ -4322,7 +4321,14 @@ subroutine psb_c_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
end if end if
end do end do
!$OMP END PARALLEL DO !$OMP END PARALLEL DO
maxnr = maxval(iaux(1:nr)) maxnr = 0
!$OMP PARALLEL DO default(none) schedule(STATIC) &
!$OMP private(i) shared(nr,iaux)&
!$OMP reduction(max:maxnr)
do i=1,nr
maxnr = max(maxnr,iaux(i))
end do
!$OMP END PARALLEL DO
#else #else
iaux(:) = 0 iaux(:) = 0
!srt_inp = .true. !srt_inp = .true.
@ -4338,8 +4344,12 @@ subroutine psb_c_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
!srt_inp = srt_inp .and.(ia(i-1)<=ia(i)) !srt_inp = srt_inp .and.(ia(i-1)<=ia(i))
end do end do
maxnr = 0
do i=1,nr
maxnr = max(maxnr,iaux(i))
end do
#endif #endif
end if !end if
! Check again use_buffers. We enter here if nzin >= nr and ! Check again use_buffers. We enter here if nzin >= nr and
! all the indices are valid ! all the indices are valid
@ -4417,7 +4427,7 @@ subroutine psb_c_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
! the number of unique values in 'kaux' ! the number of unique values in 'kaux'
block block
integer(psb_ipk_), allocatable :: ixt(:) integer(psb_ipk_), allocatable :: ixt(:)
allocate(ixt(maxnr+2)) allocate(ixt(2*maxnr+2))
!$omp do private(j,first_elem,last_elem,nzl,iret) schedule(dynamic,256) !$omp do private(j,first_elem,last_elem,nzl,iret) schedule(dynamic,256)
do j=1,nr do j=1,nr
first_elem = iaux(j) first_elem = iaux(j)
@ -4721,7 +4731,7 @@ subroutine psb_c_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
& call psb_ip_reord(nzin,val,ia,ja,iaux) & call psb_ip_reord(nzin,val,ia,ja,iaux)
#if defined(OPENMP) #if defined(OPENMP)
!$OMP PARALLEL default(none) & !$OMP PARALLEL default(none) &
!$OMP shared(nr,nc,nzin,iaux,ia,ja,val,nthreads) & !$OMP shared(nr,nc,nzin,iaux,ia,ja,val,nthreads,maxnr) &
!$OMP private(i,j,idxstart,idxend,nzl,act_row,iret,ithread, & !$OMP private(i,j,idxstart,idxend,nzl,act_row,iret,ithread, &
!$OMP work,first_elem,last_elem) !$OMP work,first_elem,last_elem)
@ -4743,38 +4753,41 @@ subroutine psb_c_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
idxend = idxstart + work - 1 idxend = idxstart + work - 1
! --------------------------------------------------- block
integer(psb_ipk_), allocatable :: ixt(:)
allocate(ixt(2*maxnr+2))
! ---------------------------------------------------
first_elem = 0
last_elem = -1
act_row = idxstart
do j=1,nzin
if (ia(j) < act_row) then
cycle
else if ((ia(j) > idxend) .or. (work < 1)) then
exit
else if (ia(j) > act_row) then
nzl = last_elem - first_elem + 1
first_elem = 0 if (nzl > 0) then
last_elem = -1 call psi_msort_up(nzl,ja(first_elem:last_elem),ixt,iret)
act_row = idxstart if (iret == 0) &
do j=1,nzin & call psb_ip_reord(nzl,val(first_elem:last_elem),&
if (ia(j) < act_row) then & ia(first_elem:last_elem),ja(first_elem:last_elem),ixt)
cycle end if
else if ((ia(j) > idxend) .or. (work < 1)) then
exit
else if (ia(j) > act_row) then
nzl = last_elem - first_elem + 1
if (nzl > 0) then act_row = act_row + 1
call psi_msort_up(nzl,ja(first_elem:),iaux((ithread*(nc+2))+1:(ithread*(nc+2))+nzl+2),iret) first_elem = 0
if (iret == 0) & last_elem = -1
& call psb_ip_reord(nzl,val(first_elem:last_elem),& else
& ia(first_elem:last_elem),ja(first_elem:last_elem),& if (first_elem == 0) then
& iaux((ithread*(nc+2))+1:(ithread*(nc+2))+nzl+2)) first_elem = j
end if end if
act_row = act_row + 1 last_elem = j
first_elem = 0
last_elem = -1
else
if (first_elem == 0) then
first_elem = j
end if end if
end do
last_elem = j end block
end if
end do
!$OMP END PARALLEL !$OMP END PARALLEL
#else #else
i = 1 i = 1

81
base/serial/impl/psb_d_coo_impl.F90
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@ -4174,7 +4174,6 @@ subroutine psb_d_fix_coo_inner(nr,nc,nzin,dupl,ia,ja,val,nzout,info,idir)
#if defined(OPENMP) #if defined(OPENMP)
integer(psb_ipk_) :: work,idxstart,idxend,first_elem,last_elem,s,nthreads,ithread integer(psb_ipk_) :: work,idxstart,idxend,first_elem,last_elem,s,nthreads,ithread
integer(psb_ipk_) :: saved_elem,old_val,nxt_val,err,act_row,act_col,maxthreads integer(psb_ipk_) :: saved_elem,old_val,nxt_val,err,act_row,act_col,maxthreads
integer(psb_ipk_), allocatable :: sum(:),kaux(:),idxaux(:)
#endif #endif
info = psb_success_ info = psb_success_
@ -4301,7 +4300,7 @@ subroutine psb_d_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
use_buffers = .false. use_buffers = .false.
end if end if
if (use_buffers) then !if (use_buffers) then
#if defined(OPENMP) #if defined(OPENMP)
!$omp workshare !$omp workshare
iaux(:) = 0 iaux(:) = 0
@ -4322,7 +4321,14 @@ subroutine psb_d_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
end if end if
end do end do
!$OMP END PARALLEL DO !$OMP END PARALLEL DO
maxnr = maxval(iaux(1:nr)) maxnr = 0
!$OMP PARALLEL DO default(none) schedule(STATIC) &
!$OMP private(i) shared(nr,iaux)&
!$OMP reduction(max:maxnr)
do i=1,nr
maxnr = max(maxnr,iaux(i))
end do
!$OMP END PARALLEL DO
#else #else
iaux(:) = 0 iaux(:) = 0
!srt_inp = .true. !srt_inp = .true.
@ -4338,8 +4344,12 @@ subroutine psb_d_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
!srt_inp = srt_inp .and.(ia(i-1)<=ia(i)) !srt_inp = srt_inp .and.(ia(i-1)<=ia(i))
end do end do
maxnr = 0
do i=1,nr
maxnr = max(maxnr,iaux(i))
end do
#endif #endif
end if !end if
! Check again use_buffers. We enter here if nzin >= nr and ! Check again use_buffers. We enter here if nzin >= nr and
! all the indices are valid ! all the indices are valid
@ -4417,7 +4427,7 @@ subroutine psb_d_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
! the number of unique values in 'kaux' ! the number of unique values in 'kaux'
block block
integer(psb_ipk_), allocatable :: ixt(:) integer(psb_ipk_), allocatable :: ixt(:)
allocate(ixt(maxnr+2)) allocate(ixt(2*maxnr+2))
!$omp do private(j,first_elem,last_elem,nzl,iret) schedule(dynamic,256) !$omp do private(j,first_elem,last_elem,nzl,iret) schedule(dynamic,256)
do j=1,nr do j=1,nr
first_elem = iaux(j) first_elem = iaux(j)
@ -4721,7 +4731,7 @@ subroutine psb_d_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
& call psb_ip_reord(nzin,val,ia,ja,iaux) & call psb_ip_reord(nzin,val,ia,ja,iaux)
#if defined(OPENMP) #if defined(OPENMP)
!$OMP PARALLEL default(none) & !$OMP PARALLEL default(none) &
!$OMP shared(nr,nc,nzin,iaux,ia,ja,val,nthreads) & !$OMP shared(nr,nc,nzin,iaux,ia,ja,val,nthreads,maxnr) &
!$OMP private(i,j,idxstart,idxend,nzl,act_row,iret,ithread, & !$OMP private(i,j,idxstart,idxend,nzl,act_row,iret,ithread, &
!$OMP work,first_elem,last_elem) !$OMP work,first_elem,last_elem)
@ -4743,38 +4753,41 @@ subroutine psb_d_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
idxend = idxstart + work - 1 idxend = idxstart + work - 1
! --------------------------------------------------- block
integer(psb_ipk_), allocatable :: ixt(:)
allocate(ixt(2*maxnr+2))
! ---------------------------------------------------
first_elem = 0
last_elem = -1
act_row = idxstart
do j=1,nzin
if (ia(j) < act_row) then
cycle
else if ((ia(j) > idxend) .or. (work < 1)) then
exit
else if (ia(j) > act_row) then
nzl = last_elem - first_elem + 1
first_elem = 0 if (nzl > 0) then
last_elem = -1 call psi_msort_up(nzl,ja(first_elem:last_elem),ixt,iret)
act_row = idxstart if (iret == 0) &
do j=1,nzin & call psb_ip_reord(nzl,val(first_elem:last_elem),&
if (ia(j) < act_row) then & ia(first_elem:last_elem),ja(first_elem:last_elem),ixt)
cycle end if
else if ((ia(j) > idxend) .or. (work < 1)) then
exit
else if (ia(j) > act_row) then
nzl = last_elem - first_elem + 1
if (nzl > 0) then act_row = act_row + 1
call psi_msort_up(nzl,ja(first_elem:),iaux((ithread*(nc+2))+1:(ithread*(nc+2))+nzl+2),iret) first_elem = 0
if (iret == 0) & last_elem = -1
& call psb_ip_reord(nzl,val(first_elem:last_elem),& else
& ia(first_elem:last_elem),ja(first_elem:last_elem),& if (first_elem == 0) then
& iaux((ithread*(nc+2))+1:(ithread*(nc+2))+nzl+2)) first_elem = j
end if end if
act_row = act_row + 1 last_elem = j
first_elem = 0
last_elem = -1
else
if (first_elem == 0) then
first_elem = j
end if end if
end do
last_elem = j end block
end if
end do
!$OMP END PARALLEL !$OMP END PARALLEL
#else #else
i = 1 i = 1

81
base/serial/impl/psb_s_coo_impl.F90
Unescape Escape View File

@ -4174,7 +4174,6 @@ subroutine psb_s_fix_coo_inner(nr,nc,nzin,dupl,ia,ja,val,nzout,info,idir)
#if defined(OPENMP) #if defined(OPENMP)
integer(psb_ipk_) :: work,idxstart,idxend,first_elem,last_elem,s,nthreads,ithread integer(psb_ipk_) :: work,idxstart,idxend,first_elem,last_elem,s,nthreads,ithread
integer(psb_ipk_) :: saved_elem,old_val,nxt_val,err,act_row,act_col,maxthreads integer(psb_ipk_) :: saved_elem,old_val,nxt_val,err,act_row,act_col,maxthreads
integer(psb_ipk_), allocatable :: sum(:),kaux(:),idxaux(:)
#endif #endif
info = psb_success_ info = psb_success_
@ -4301,7 +4300,7 @@ subroutine psb_s_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
use_buffers = .false. use_buffers = .false.
end if end if
if (use_buffers) then !if (use_buffers) then
#if defined(OPENMP) #if defined(OPENMP)
!$omp workshare !$omp workshare
iaux(:) = 0 iaux(:) = 0
@ -4322,7 +4321,14 @@ subroutine psb_s_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
end if end if
end do end do
!$OMP END PARALLEL DO !$OMP END PARALLEL DO
maxnr = maxval(iaux(1:nr)) maxnr = 0
!$OMP PARALLEL DO default(none) schedule(STATIC) &
!$OMP private(i) shared(nr,iaux)&
!$OMP reduction(max:maxnr)
do i=1,nr
maxnr = max(maxnr,iaux(i))
end do
!$OMP END PARALLEL DO
#else #else
iaux(:) = 0 iaux(:) = 0
!srt_inp = .true. !srt_inp = .true.
@ -4338,8 +4344,12 @@ subroutine psb_s_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
!srt_inp = srt_inp .and.(ia(i-1)<=ia(i)) !srt_inp = srt_inp .and.(ia(i-1)<=ia(i))
end do end do
maxnr = 0
do i=1,nr
maxnr = max(maxnr,iaux(i))
end do
#endif #endif
end if !end if
! Check again use_buffers. We enter here if nzin >= nr and ! Check again use_buffers. We enter here if nzin >= nr and
! all the indices are valid ! all the indices are valid
@ -4417,7 +4427,7 @@ subroutine psb_s_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
! the number of unique values in 'kaux' ! the number of unique values in 'kaux'
block block
integer(psb_ipk_), allocatable :: ixt(:) integer(psb_ipk_), allocatable :: ixt(:)
allocate(ixt(maxnr+2)) allocate(ixt(2*maxnr+2))
!$omp do private(j,first_elem,last_elem,nzl,iret) schedule(dynamic,256) !$omp do private(j,first_elem,last_elem,nzl,iret) schedule(dynamic,256)
do j=1,nr do j=1,nr
first_elem = iaux(j) first_elem = iaux(j)
@ -4721,7 +4731,7 @@ subroutine psb_s_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
& call psb_ip_reord(nzin,val,ia,ja,iaux) & call psb_ip_reord(nzin,val,ia,ja,iaux)
#if defined(OPENMP) #if defined(OPENMP)
!$OMP PARALLEL default(none) & !$OMP PARALLEL default(none) &
!$OMP shared(nr,nc,nzin,iaux,ia,ja,val,nthreads) & !$OMP shared(nr,nc,nzin,iaux,ia,ja,val,nthreads,maxnr) &
!$OMP private(i,j,idxstart,idxend,nzl,act_row,iret,ithread, & !$OMP private(i,j,idxstart,idxend,nzl,act_row,iret,ithread, &
!$OMP work,first_elem,last_elem) !$OMP work,first_elem,last_elem)
@ -4743,38 +4753,41 @@ subroutine psb_s_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
idxend = idxstart + work - 1 idxend = idxstart + work - 1
! --------------------------------------------------- block
integer(psb_ipk_), allocatable :: ixt(:)
allocate(ixt(2*maxnr+2))
! ---------------------------------------------------
first_elem = 0
last_elem = -1
act_row = idxstart
do j=1,nzin
if (ia(j) < act_row) then
cycle
else if ((ia(j) > idxend) .or. (work < 1)) then
exit
else if (ia(j) > act_row) then
nzl = last_elem - first_elem + 1
first_elem = 0 if (nzl > 0) then
last_elem = -1 call psi_msort_up(nzl,ja(first_elem:last_elem),ixt,iret)
act_row = idxstart if (iret == 0) &
do j=1,nzin & call psb_ip_reord(nzl,val(first_elem:last_elem),&
if (ia(j) < act_row) then & ia(first_elem:last_elem),ja(first_elem:last_elem),ixt)
cycle end if
else if ((ia(j) > idxend) .or. (work < 1)) then
exit
else if (ia(j) > act_row) then
nzl = last_elem - first_elem + 1
if (nzl > 0) then act_row = act_row + 1
call psi_msort_up(nzl,ja(first_elem:),iaux((ithread*(nc+2))+1:(ithread*(nc+2))+nzl+2),iret) first_elem = 0
if (iret == 0) & last_elem = -1
& call psb_ip_reord(nzl,val(first_elem:last_elem),& else
& ia(first_elem:last_elem),ja(first_elem:last_elem),& if (first_elem == 0) then
& iaux((ithread*(nc+2))+1:(ithread*(nc+2))+nzl+2)) first_elem = j
end if end if
act_row = act_row + 1 last_elem = j
first_elem = 0
last_elem = -1
else
if (first_elem == 0) then
first_elem = j
end if end if
end do
last_elem = j end block
end if
end do
!$OMP END PARALLEL !$OMP END PARALLEL
#else #else
i = 1 i = 1

81
base/serial/impl/psb_z_coo_impl.F90
Unescape Escape View File

@ -4174,7 +4174,6 @@ subroutine psb_z_fix_coo_inner(nr,nc,nzin,dupl,ia,ja,val,nzout,info,idir)
#if defined(OPENMP) #if defined(OPENMP)
integer(psb_ipk_) :: work,idxstart,idxend,first_elem,last_elem,s,nthreads,ithread integer(psb_ipk_) :: work,idxstart,idxend,first_elem,last_elem,s,nthreads,ithread
integer(psb_ipk_) :: saved_elem,old_val,nxt_val,err,act_row,act_col,maxthreads integer(psb_ipk_) :: saved_elem,old_val,nxt_val,err,act_row,act_col,maxthreads
integer(psb_ipk_), allocatable :: sum(:),kaux(:),idxaux(:)
#endif #endif
info = psb_success_ info = psb_success_
@ -4301,7 +4300,7 @@ subroutine psb_z_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
use_buffers = .false. use_buffers = .false.
end if end if
if (use_buffers) then !if (use_buffers) then
#if defined(OPENMP) #if defined(OPENMP)
!$omp workshare !$omp workshare
iaux(:) = 0 iaux(:) = 0
@ -4322,7 +4321,14 @@ subroutine psb_z_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
end if end if
end do end do
!$OMP END PARALLEL DO !$OMP END PARALLEL DO
maxnr = maxval(iaux(1:nr)) maxnr = 0
!$OMP PARALLEL DO default(none) schedule(STATIC) &
!$OMP private(i) shared(nr,iaux)&
!$OMP reduction(max:maxnr)
do i=1,nr
maxnr = max(maxnr,iaux(i))
end do
!$OMP END PARALLEL DO
#else #else
iaux(:) = 0 iaux(:) = 0
!srt_inp = .true. !srt_inp = .true.
@ -4338,8 +4344,12 @@ subroutine psb_z_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
!srt_inp = srt_inp .and.(ia(i-1)<=ia(i)) !srt_inp = srt_inp .and.(ia(i-1)<=ia(i))
end do end do
maxnr = 0
do i=1,nr
maxnr = max(maxnr,iaux(i))
end do
#endif #endif
end if !end if
! Check again use_buffers. We enter here if nzin >= nr and ! Check again use_buffers. We enter here if nzin >= nr and
! all the indices are valid ! all the indices are valid
@ -4417,7 +4427,7 @@ subroutine psb_z_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
! the number of unique values in 'kaux' ! the number of unique values in 'kaux'
block block
integer(psb_ipk_), allocatable :: ixt(:) integer(psb_ipk_), allocatable :: ixt(:)
allocate(ixt(maxnr+2)) allocate(ixt(2*maxnr+2))
!$omp do private(j,first_elem,last_elem,nzl,iret) schedule(dynamic,256) !$omp do private(j,first_elem,last_elem,nzl,iret) schedule(dynamic,256)
do j=1,nr do j=1,nr
first_elem = iaux(j) first_elem = iaux(j)
@ -4721,7 +4731,7 @@ subroutine psb_z_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
& call psb_ip_reord(nzin,val,ia,ja,iaux) & call psb_ip_reord(nzin,val,ia,ja,iaux)
#if defined(OPENMP) #if defined(OPENMP)
!$OMP PARALLEL default(none) & !$OMP PARALLEL default(none) &
!$OMP shared(nr,nc,nzin,iaux,ia,ja,val,nthreads) & !$OMP shared(nr,nc,nzin,iaux,ia,ja,val,nthreads,maxnr) &
!$OMP private(i,j,idxstart,idxend,nzl,act_row,iret,ithread, & !$OMP private(i,j,idxstart,idxend,nzl,act_row,iret,ithread, &
!$OMP work,first_elem,last_elem) !$OMP work,first_elem,last_elem)
@ -4743,38 +4753,41 @@ subroutine psb_z_fix_coo_inner_rowmajor(nr,nc,nzin,dupl,ia,ja,val,iaux,nzout,inf
idxend = idxstart + work - 1 idxend = idxstart + work - 1
! --------------------------------------------------- block
integer(psb_ipk_), allocatable :: ixt(:)
allocate(ixt(2*maxnr+2))
! ---------------------------------------------------
first_elem = 0
last_elem = -1
act_row = idxstart
do j=1,nzin
if (ia(j) < act_row) then
cycle
else if ((ia(j) > idxend) .or. (work < 1)) then
exit
else if (ia(j) > act_row) then
nzl = last_elem - first_elem + 1
first_elem = 0 if (nzl > 0) then
last_elem = -1 call psi_msort_up(nzl,ja(first_elem:last_elem),ixt,iret)
act_row = idxstart if (iret == 0) &
do j=1,nzin & call psb_ip_reord(nzl,val(first_elem:last_elem),&
if (ia(j) < act_row) then & ia(first_elem:last_elem),ja(first_elem:last_elem),ixt)
cycle end if
else if ((ia(j) > idxend) .or. (work < 1)) then
exit
else if (ia(j) > act_row) then
nzl = last_elem - first_elem + 1
if (nzl > 0) then act_row = act_row + 1
call psi_msort_up(nzl,ja(first_elem:),iaux((ithread*(nc+2))+1:(ithread*(nc+2))+nzl+2),iret) first_elem = 0
if (iret == 0) & last_elem = -1
& call psb_ip_reord(nzl,val(first_elem:last_elem),& else
& ia(first_elem:last_elem),ja(first_elem:last_elem),& if (first_elem == 0) then
& iaux((ithread*(nc+2))+1:(ithread*(nc+2))+nzl+2)) first_elem = j
end if end if
act_row = act_row + 1 last_elem = j
first_elem = 0
last_elem = -1
else
if (first_elem == 0) then
first_elem = j
end if end if
end do
last_elem = j end block
end if
end do
!$OMP END PARALLEL !$OMP END PARALLEL
#else #else
i = 1 i = 1

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