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@ -29,9 +29,9 @@
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! POSSIBILITY OF SUCH DAMAGE.
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!
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!
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! File: psb_csphalo.f90
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! File: psb_c_remote_mat.f90
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!
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! Subroutine: psb_csphalo psb_lcsphalo
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! Subroutine:
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! This routine does the retrieval of remote matrix rows.
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! Retrieval is done through GETROW, therefore it should work
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! for any matrix format in A; as for the output, default is CSR.
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@ -278,3 +278,221 @@ Subroutine psb_lc_remote_mat(a,desc_a,b,info)
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End Subroutine psb_lc_remote_mat
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subroutine psb_c_remote_vect(v,desc_a, info, dupl)
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use psb_base_mod, psb_protect_name => psb_c_remote_vect
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#ifdef MPI_MOD
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use mpi
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#endif
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Implicit None
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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type(psb_c_vect_type),Intent(inout) :: v
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type(psb_desc_type),intent(in) :: desc_a
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_),optional, intent(in) :: dupl
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! ...local scalars....
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type(psb_ctxt_type) :: ctxt
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integer(psb_ipk_) :: np,me
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integer(psb_ipk_) :: counter, proc, i, n_el_send,n_el_recv, &
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& n_elem, j, ipx,mat_recv, idxs,idxr,&
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& data_,totxch,nxs, nxr, ncg, dupl_
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integer(psb_lpk_) :: r, k, irmin, irmax, icmin, icmax, iszs, iszr, &
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& lidx, l1, lnr, lnc, lnnz, idx, ngtz, tot_elem
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integer(psb_lpk_) :: nz,nouth
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integer(psb_ipk_) :: nnp, nrcvs, nsnds
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integer(psb_mpk_) :: icomm, minfo
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integer(psb_mpk_), allocatable :: brvindx(:), &
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& rvsz(:), bsdindx(:),sdsz(:), sdsi(:), rvsi(:)
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integer(psb_lpk_), allocatable :: iasnd(:), jasnd(:)
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complex(psb_spk_), allocatable :: valsnd(:)
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integer(psb_ipk_), allocatable :: ladj(:), ila(:), iprc(:)
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logical :: rowcnv_,colcnv_,rowscale_,colscale_
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character(len=5) :: outfmt_
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integer(psb_ipk_) :: debug_level, debug_unit, err_act
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character(len=20) :: name, ch_err
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info=psb_success_
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name='psb_c_remote_vect'
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call psb_erractionsave(err_act)
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if (psb_errstatus_fatal()) then
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info = psb_err_internal_error_ ; goto 9999
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end if
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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if (present(dupl)) then
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dupl_ = dupl
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else
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if (v%is_remote_build()) then
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dupl_ = psb_dupl_add_
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else
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dupl_ = psb_dupl_ovwrt_
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end if
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endif
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ctxt = desc_a%get_context()
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icomm = desc_a%get_mpic()
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Call psb_info(ctxt, me, np)
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if (debug_level >= psb_debug_outer_) &
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& write(debug_unit,*) me,' ',trim(name),': Start'
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write(0,*) me, 'X_remote_vect implementation to be completed '
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!!$ call b%free()
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!!$
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!!$ Allocate(rvsz(np),sdsz(np),sdsi(np),rvsi(np),brvindx(np+1),&
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!!$ & bsdindx(np+1), acoo,stat=info)
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!!$
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!!$ if (info /= psb_success_) then
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!!$ info=psb_err_alloc_dealloc_
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!!$ call psb_errpush(info,name)
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!!$ goto 9999
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!!$ end if
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!!$
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!!$
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!!$ nz = a%get_nzeros()
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!!$ allocate(ila(nz))
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!!$ !write(0,*) me,name,' size :',nz,size(ila)
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!!$ call desc_a%g2l(a%ia(1:nz),ila(1:nz),info,owned=.false.)
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!!$ nouth = count(ila(1:nz)<0)
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!!$ !write(0,*) me,name,' Count out of halo :',nouth
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!!$ call psb_max(ctxt,nouth)
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!!$ if ((nouth/=0).and.(me==0)) &
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!!$ & write(0,*) 'Warning: would require reinit of DESC_A'
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!!$
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!!$ call psi_graph_fnd_owner(a%ia(1:nz),iprc,ladj,desc_a%indxmap,info)
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!!$ call psb_msort_unique(ladj,nnp)
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!!$ !write(0,*) me,name,' Processes:',ladj(1:nnp)
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!!$
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!!$ icomm = desc_a%get_mpic()
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!!$ sdsz(:)=0
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!!$ rvsz(:)=0
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!!$ sdsi(:)=0
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!!$ rvsi(:)=0
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!!$ ipx = 1
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!!$ brvindx(:) = 0
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!!$ bsdindx(:) = 0
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!!$ counter=1
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!!$ idx = 0
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!!$ idxs = 0
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!!$ idxr = 0
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!!$ do i=1,nz
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!!$ if (iprc(i) >=0) then
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!!$ sdsz(iprc(i)+1) = sdsz(iprc(i)+1) +1
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!!$ else
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!!$ write(0,*)me,name,' Error from fnd_owner: ',iprc(i)
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!!$ end if
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!!$ end do
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!!$ call mpi_alltoall(sdsz,1,psb_mpi_mpk_,&
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!!$ & rvsz,1,psb_mpi_mpk_,icomm,minfo)
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!!$ if (minfo /= psb_success_) then
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!!$ info=psb_err_from_subroutine_
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!!$ call psb_errpush(info,name,a_err='mpi_alltoall')
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!!$ goto 9999
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!!$ end if
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!!$ !write(0,*)me,name,' sdsz ',sdsz(:),' rvsz:',rvsz(:)
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!!$ nsnds = count(sdsz /= 0)
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!!$ nrcvs = count(rvsz /= 0)
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!!$ idxs = 0
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!!$ idxr = 0
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!!$ counter = 1
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!!$ Do proc=0,np-1
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!!$ bsdindx(proc+1) = idxs
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!!$ idxs = idxs + sdsz(proc+1)
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!!$ brvindx(proc+1) = idxr
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!!$ idxr = idxr + rvsz(proc+1)
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!!$ Enddo
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!!$
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!!$ iszs = sum(sdsz)
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!!$ iszr = sum(rvsz)
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!!$ call acoo%allocate(desc_a%get_global_rows(),desc_a%get_global_cols(),iszr)
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!!$ if (psb_errstatus_fatal()) then
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!!$ write(0,*) 'Error from acoo%allocate '
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!!$ info = 4010
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!!$ goto 9999
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!!$ end if
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!!$ if (debug_level >= psb_debug_outer_)&
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!!$ & write(debug_unit,*) me,' ',trim(name),': Sizes:',acoo%get_size(),&
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!!$ & ' Send:',sdsz(:),' Receive:',rvsz(:)
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!!$ !write(debug_unit,*) me,' ',trim(name),': ',info
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!!$ if (info == psb_success_) call psb_ensure_size(max(iszs,1),iasnd,info)
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!!$ !write(debug_unit,*) me,' ',trim(name),' iasnd: ',info
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!!$ if (info == psb_success_) call psb_ensure_size(max(iszs,1),jasnd,info)
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!!$ !write(debug_unit,*) me,' ',trim(name),' jasnd: ',info
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!!$ if (info == psb_success_) call psb_ensure_size(max(iszs,1),valsnd,info)
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!!$ !write(debug_unit,*) me,' ',trim(name),' valsnd: ',info
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!!$ if (info /= psb_success_) then
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!!$ info=psb_err_from_subroutine_
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!!$ call psb_errpush(info,name,a_err='ensure_size')
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!!$ goto 9999
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!!$ end if
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!!$ do k=1, nz
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!!$ proc = iprc(k)
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!!$ sdsi(proc+1) = sdsi(proc+1) + 1
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!!$ !rvsi(proc) = rvsi(proc) + 1
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!!$ iasnd(bsdindx(proc+1)+sdsi(proc+1)) = a%ia(k)
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!!$ jasnd(bsdindx(proc+1)+sdsi(proc+1)) = a%ja(k)
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!!$ valsnd(bsdindx(proc+1)+sdsi(proc+1)) = a%val(k)
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!!$ end do
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!!$ do proc=0,np-1
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!!$ if (sdsi(proc+1) /= sdsz(proc+1)) &
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!!$ & write(0,*) me,name,'Send mismacth ',sdsi(proc+1),sdsz(proc+1)
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!!$ end do
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!!$
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!!$ select case(psb_get_sp_a2av_alg())
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!!$ case(psb_sp_a2av_smpl_triad_)
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!!$ call psb_simple_triad_a2av(valsnd,iasnd,jasnd,sdsz,bsdindx,&
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!!$ & acoo%val,acoo%ia,acoo%ja,rvsz,brvindx,ctxt,info)
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!!$ case(psb_sp_a2av_smpl_v_)
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!!$ call psb_simple_a2av(valsnd,sdsz,bsdindx,&
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!!$ & acoo%val,rvsz,brvindx,ctxt,info)
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!!$ if (info == psb_success_) call psb_simple_a2av(iasnd,sdsz,bsdindx,&
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!!$ & acoo%ia,rvsz,brvindx,ctxt,info)
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!!$ if (info == psb_success_) call psb_simple_a2av(jasnd,sdsz,bsdindx,&
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!!$ & acoo%ja,rvsz,brvindx,ctxt,info)
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!!$ case(psb_sp_a2av_mpi_)
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!!$
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!!$ call mpi_alltoallv(valsnd,sdsz,bsdindx,psb_mpi_c_spk_,&
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!!$ & acoo%val,rvsz,brvindx,psb_mpi_c_spk_,icomm,minfo)
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!!$ if (minfo == mpi_success) &
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!!$ & call mpi_alltoallv(iasnd,sdsz,bsdindx,psb_mpi_lpk_,&
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!!$ & acoo%ia,rvsz,brvindx,psb_mpi_lpk_,icomm,minfo)
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!!$ if (minfo == mpi_success) &
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!!$ & call mpi_alltoallv(jasnd,sdsz,bsdindx,psb_mpi_lpk_,&
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!!$ & acoo%ja,rvsz,brvindx,psb_mpi_lpk_,icomm,minfo)
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!!$ if (minfo /= mpi_success) info = minfo
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!!$ case default
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!!$ info = psb_err_internal_error_
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!!$ call psb_errpush(info,name,a_err='wrong A2AV alg selector')
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!!$ goto 9999
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!!$ end select
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!!$
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!!$ if (info /= psb_success_) then
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!!$ info=psb_err_from_subroutine_
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!!$ call psb_errpush(info,name,a_err='alltoallv')
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!!$ goto 9999
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!!$ end if
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!!$ call acoo%set_nzeros(iszr)
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!!$ call acoo%mv_to_coo(b,info)
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!!$
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!!$ Deallocate(brvindx,bsdindx,rvsz,sdsz,&
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!!$ & iasnd,jasnd,valsnd,stat=info)
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!!$ if (debug_level >= psb_debug_outer_)&
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!!$ & write(debug_unit,*) me,' ',trim(name),': Done'
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ctxt,err_act)
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return
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End Subroutine psb_c_remote_vect
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Salvatore Filippone
3 years ago