! ! Parallel Sparse BLAS version 3.5 ! (C) Copyright 2006-2018 ! Salvatore Filippone ! Alfredo Buttari ! ! Redistribution and use in source and binary forms, with or without ! modification, are permitted provided that the following conditions ! are met: ! 1. Redistributions of source code must retain the above copyright ! notice, this list of conditions and the following disclaimer. ! 2. Redistributions in binary form must reproduce the above copyright ! notice, this list of conditions, and the following disclaimer in the ! documentation and/or other materials provided with the distribution. ! 3. The name of the PSBLAS group or the names of its contributors may ! not be used to endorse or promote products derived from this ! software without specific written permission. ! ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR ! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS ! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR ! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS ! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN ! 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 ! POSSIBILITY OF SUCH DAMAGE. ! ! ! File: psb_dhalo_new.f90 ! ! Subroutine: psb_dhalo_vect_new ! Halo exchange for a distributed vector. ! comm_type selects the communication scheme: ! psb_comm_type_isend_ (0) : classic isend/irecv (delegates to psi_swapdata) ! psb_comm_type_neigh_a2av_ (1) : MPI_Neighbor_alltoallv via pre-built topology ! subroutine psb_dhalo_vect_new(x,desc_a,info,comm_type,work,tran,mode,data) use psb_base_mod, psb_protect_name => psb_dhalo_vect_new use psi_mod implicit none type(psb_d_vect_type), intent(inout) :: x type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_), intent(out) :: info integer(psb_ipk_), intent(in) :: comm_type real(psb_dpk_), target, optional, intent(inout) :: work(:) integer(psb_ipk_), intent(in), optional :: mode,data character, intent(in), optional :: tran ! locals type(psb_ctxt_type) :: ctxt integer(psb_ipk_) :: np, me, err_act, & & nrow, ncol, lldx, imode, liwork, data_ real(psb_dpk_),pointer :: iwork(:) real(psb_dpk_), allocatable :: sndbuf(:), rcvbuf(:) character :: tran_ character(len=40) :: name, ch_err logical :: aliw integer(psb_mpk_) :: iret integer(psb_ipk_) :: k name='psb_dhalo_vect_new' info=psb_success_ call psb_erractionsave(err_act) if (psb_errstatus_fatal()) then info = psb_err_internal_error_ ; goto 9999 end if ctxt=desc_a%get_context() call psb_info(ctxt, me, np) if (np == -1) then info = psb_err_context_error_ call psb_errpush(info,name) goto 9999 endif if (.not.allocated(x%v)) then info = psb_err_invalid_vect_state_ call psb_errpush(info,name) goto 9999 endif nrow = desc_a%get_local_rows() ncol = desc_a%get_local_cols() lldx = x%get_nrows() if (present(tran)) then tran_ = psb_toupper(tran) else tran_ = 'N' endif if (present(data)) then data_ = data else data_ = psb_comm_halo_ endif if ((info == 0).and.(lldx < ncol)) call x%reall(ncol,info) if(info /= psb_success_) then info=psb_err_from_subroutine_ ; ch_err='reall' call psb_errpush(info,name,a_err=ch_err); goto 9999 end if select case(comm_type) case(0) ! psb_comm_type_isend_ ! ---- Classic isend/irecv: delegate to psi_swapdata ---- if (present(mode)) then imode = mode else imode = IOR(psb_swap_send_,psb_swap_recv_) end if liwork=nrow if (present(work)) then if(size(work) >= liwork) then iwork => work; aliw=.false. else aliw=.true.; allocate(iwork(liwork),stat=info) end if else aliw=.true.; allocate(iwork(liwork),stat=info) end if if(info /= psb_success_) then ch_err='psb_realloc' call psb_errpush(psb_err_from_subroutine_,name,a_err=ch_err) goto 9999 end if if(tran_ == 'N') then call psi_swapdata(imode,dzero,x%v,desc_a,iwork,info,data=data_) else if((tran_ == 'T').or.(tran_ == 'C')) then call psi_swaptran(imode,done,x%v,desc_a,iwork,info) else info = psb_err_internal_error_ call psb_errpush(info,name,a_err='invalid tran'); goto 9999 end if if (info /= psb_success_) then ch_err='PSI_swapdata' call psb_errpush(psb_err_from_subroutine_,name,a_err=ch_err) goto 9999 end if if (aliw) deallocate(iwork) nullify(iwork) case(1) ! psb_comm_type_neigh_a2av_ ! TODO case default info = psb_err_input_value_invalid_i_ call psb_errpush(info,name,i_err=(/5_psb_ipk_,comm_type,izero,izero,izero/)) goto 9999 end select call psb_erractionrestore(err_act) return 9999 call psb_error_handler(ctxt,err_act) return end subroutine psb_dhalo_vect_new ! ! Subroutine: psb_dhalo_multivect_new ! Halo exchange for a distributed multivector. ! comm_type selects the communication scheme: ! psb_comm_type_isend_ (0) : classic isend/irecv ! psb_comm_type_neigh_a2av_ (1) : MPI_Neighbor_alltoallv via pre-built topology ! subroutine psb_dhalo_multivect_new(x,desc_a,info,comm_type,work,tran,mode,data) use psb_base_mod, psb_protect_name => psb_dhalo_multivect_new use psi_mod implicit none type(psb_d_multivect_type), intent(inout) :: x type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_), intent(out) :: info integer(psb_ipk_), intent(in) :: comm_type real(psb_dpk_), target, optional, intent(inout) :: work(:) integer(psb_ipk_), intent(in), optional :: mode,data character, intent(in), optional :: tran ! locals type(psb_ctxt_type) :: ctxt integer(psb_ipk_) :: np, me, err_act, & & nrow, ncol, lldx, imode, liwork, data_, nc real(psb_dpk_),pointer :: iwork(:) real(psb_dpk_), allocatable :: sndbuf(:), rcvbuf(:) integer(psb_mpk_), allocatable :: mv_sndcnts(:), mv_rcvcnts(:), & & mv_snddispls(:), mv_rcvdispls(:) character :: tran_ character(len=40) :: name, ch_err logical :: aliw integer(psb_mpk_) :: iret integer(psb_ipk_) :: k, j, bp, nn name='psb_dhalo_multivect_new' info=psb_success_ call psb_erractionsave(err_act) if (psb_errstatus_fatal()) then info = psb_err_internal_error_ ; goto 9999 end if ctxt=desc_a%get_context() call psb_info(ctxt, me, np) if (np == -1) then info = psb_err_context_error_ call psb_errpush(info,name); goto 9999 endif if (.not.allocated(x%v)) then info = psb_err_invalid_vect_state_ call psb_errpush(info,name); goto 9999 endif nrow = desc_a%get_local_rows() ncol = desc_a%get_local_cols() lldx = x%get_nrows() nc = x%get_ncols() if (present(tran)) then tran_ = psb_toupper(tran) else tran_ = 'N' endif if (present(data)) then data_ = data else data_ = psb_comm_halo_ endif if (lldx < ncol) call x%reall(ncol,nc,info) if(info /= psb_success_) then ch_err='psb_reall' call psb_errpush(psb_err_from_subroutine_,name,a_err=ch_err) goto 9999 end if select case(comm_type) case(0) ! ---- Classic isend/irecv ---- if (present(mode)) then imode = mode else imode = IOR(psb_swap_send_,psb_swap_recv_) end if liwork=nrow if (present(work)) then if(size(work) >= liwork) then iwork => work; aliw=.false. else aliw=.true.; allocate(iwork(liwork),stat=info) end if else aliw=.true.; allocate(iwork(liwork),stat=info) end if if(info /= psb_success_) then ch_err='psb_realloc' call psb_errpush(psb_err_from_subroutine_,name,a_err=ch_err) goto 9999 end if if(tran_ == 'N') then call psi_swapdata(imode,dzero,x%v,desc_a,iwork,info,data=data_) else if((tran_ == 'T').or.(tran_ == 'C')) then call psi_swaptran(imode,done,x%v,desc_a,iwork,info) else info = psb_err_internal_error_ call psb_errpush(info,name,a_err='invalid tran'); goto 9999 end if if (info /= psb_success_) then ch_err='PSI_swapdata' call psb_errpush(psb_err_from_subroutine_,name,a_err=ch_err) goto 9999 end if if (aliw) deallocate(iwork) nullify(iwork) case(1) ! TODO case default info = psb_err_input_value_invalid_i_ call psb_errpush(info,name,i_err=(/5_psb_ipk_,comm_type,izero,izero,izero/)) goto 9999 end select call psb_erractionrestore(err_act) return 9999 call psb_error_handler(ctxt,err_act) return end subroutine psb_dhalo_multivect_new