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@ -43,7 +43,7 @@
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! iroot - integer(optional). The process that owns the global matrix.
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! If -1 all the processes have a copy.
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! Default -1
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subroutine psb_iscatterm(globx, locx, desc_a, info, iroot)
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subroutine psb_iscatterm(globx, locx, desc_a, info, root)
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use psb_base_mod, psb_protect_name => psb_iscatterm
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#ifdef MPI_MOD
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@ -54,18 +54,18 @@ subroutine psb_iscatterm(globx, locx, desc_a, info, iroot)
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include 'mpif.h'
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#endif
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integer(psb_ipk_), intent(out) :: locx(:,:)
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integer(psb_ipk_), intent(out), allocatable :: locx(:,:)
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integer(psb_ipk_), intent(in) :: globx(:,:)
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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_), intent(in), optional :: iroot
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integer(psb_ipk_), intent(in), optional :: root
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! locals
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integer(psb_mpik_) :: ictxt, np, me, root, iiroot, icomm, myrank, rootrank
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integer(psb_mpik_) :: ictxt, np, me, iroot, icomm, myrank, rootrank, iam
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integer(psb_ipk_) :: ierr(5), err_act, m, n, i, j, idx, nrow, iglobx, jglobx,&
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& ilocx, jlocx, lda_locx, lda_globx, lock, globk, k, maxk, ilx,&
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& jlx, c, pos
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& ilocx, jlocx, lda_locx, lda_globx, lock, globk, k, maxk, &
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& col,pos
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integer(psb_ipk_),allocatable :: scatterv(:)
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integer(psb_ipk_), allocatable :: displ(:), l_t_g_all(:), all_dim(:), ltg(:)
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character(len=20) :: name, ch_err
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@ -78,101 +78,90 @@ subroutine psb_iscatterm(globx, locx, desc_a, info, iroot)
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ictxt=desc_a%get_context()
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! check on blacs grid
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call psb_info(ictxt, me, np)
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call psb_info(ictxt, iam, np)
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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if (present(iroot)) then
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root = iroot
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if((root < -1).or.(root > np)) then
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if (present(root)) then
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iroot = root
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if((iroot < -1).or.(iroot >= np)) then
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info=psb_err_input_value_invalid_i_
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ierr(1)=5; ierr(2)=root
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ierr(1)=5; ierr(2)=iroot
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call psb_errpush(info,name,i_err=ierr)
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goto 9999
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end if
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else
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root = -1
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iroot = psb_root_
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end if
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if (root == -1) then
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iiroot = psb_root_
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endif
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iglobx = 1
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jglobx = 1
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ilocx = 1
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jlocx = 1
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lda_globx = size(globx,1)
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lda_locx = size(locx, 1)
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m = desc_a%get_global_rows()
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n = desc_a%get_global_cols()
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lock=size(locx,2)-jlocx+1
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globk=size(globx,2)-jglobx+1
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maxk=min(lock,globk)
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k = maxk
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call psb_get_mpicomm(ictxt,icomm)
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call psb_get_rank(myrank,ictxt,me)
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lda_globx = size(globx)
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lda_locx = size(locx)
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if (iroot==-1) then
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lda_globx = size(globx, 1)
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k = size(globx,2)
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else
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if (iam==iroot) then
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k = size(globx,2)
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lda_globx = size(globx, 1)
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end if
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call psb_bcast(ictxt,k,root=iroot)
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call psb_bcast(ictxt,lda_globx,root=iroot)
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end if
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m = desc_a%get_global_rows()
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n = desc_a%get_global_cols()
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call psb_bcast(ictxt,k,root=iiroot)
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! there should be a global check on k here!!!
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call psb_chkglobvect(m,n,lda_globx,iglobx,jglobx,desc_a,info)
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if (info == psb_success_) call psb_chkvect(m,n,lda_locx,ilocx,jlocx,desc_a,info,ilx,jlx)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='psb_chk(glob)vect'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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if ((ilx /= 1).or.(iglobx /= 1)) then
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info=psb_err_ix_n1_iy_n1_unsupported_
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call psb_errpush(info,name)
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nrow=desc_a%get_local_rows()
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! root has to gather size information
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allocate(displ(np),all_dim(np),ltg(nrow),stat=info)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='Allocate'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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do i=1, nrow
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ltg(i) = i
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end do
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call psb_loc_to_glob(ltg(1:nrow),desc_a,info)
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nrow=desc_a%get_local_rows()
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if ((root == -1).or.(np == 1)) then
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call psb_geall(locx,desc_a,info,n=k)
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if ((iroot == -1).or.(np == 1)) then
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! extract my chunk
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do j=1,k
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do i=1, nrow
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call psb_loc_to_glob(i,idx,desc_a,info)
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locx(i,jlocx+j-1)=globx(idx,jglobx+j-1)
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locx(i,j)=globx(ltg(i),j)
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end do
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end do
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else
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call psb_get_rank(rootrank,ictxt,root)
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! root has to gather size information
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allocate(displ(np),all_dim(np),ltg(nrow),stat=info)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='Allocate'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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do i=1, nrow
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ltg(i) = i
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end do
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call psb_loc_to_glob(ltg(1:nrow),desc_a,info)
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call psb_get_rank(rootrank,ictxt,iroot)
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call mpi_gather(nrow,1,psb_mpi_ipk_integer,all_dim,&
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& 1,psb_mpi_ipk_integer,rootrank,icomm,info)
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if (me == root) then
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if (iam == iroot) then
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displ(1)=0
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do i=2,np
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displ(i)=displ(i-1)+all_dim(i-1)
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@ -200,27 +189,26 @@ subroutine psb_iscatterm(globx, locx, desc_a, info, iroot)
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& psb_mpi_ipk_integer,l_t_g_all,all_dim,&
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& displ,psb_mpi_ipk_integer,rootrank,icomm,info)
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do c=1, k
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do col=1, k
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! prepare vector to scatter
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if(me == root) then
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if(iam == iroot) then
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do i=1,np
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pos=displ(i)
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do j=1, all_dim(i)
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idx=l_t_g_all(pos+j)
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scatterv(pos+j)=globx(idx,jglobx+c-1)
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scatterv(pos+j)=globx(idx,col)
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end do
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end do
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end if
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! scatter !!!
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! scatter
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call mpi_scatterv(scatterv,all_dim,displ,&
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& psb_mpi_ipk_integer,locx(1,jlocx+c-1),nrow,&
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& psb_mpi_ipk_integer,locx(1,col),nrow,&
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& psb_mpi_ipk_integer,rootrank,icomm,info)
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end do
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deallocate(all_dim, l_t_g_all, displ, ltg, scatterv,stat=info)
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deallocate(l_t_g_all, scatterv,stat=info)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='deallocate'
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@ -229,6 +217,13 @@ subroutine psb_iscatterm(globx, locx, desc_a, info, iroot)
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end if
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end if
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deallocate(all_dim, displ, ltg,stat=info)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='deallocate'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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call psb_erractionrestore(err_act)
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return
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@ -286,7 +281,7 @@ end subroutine psb_iscatterm
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! iroot - integer(optional). The process that owns the global vector. If -1 all
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! the processes have a copy.
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!
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subroutine psb_iscatterv(globx, locx, desc_a, info, iroot)
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subroutine psb_iscatterv(globx, locx, desc_a, info, root)
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use psb_base_mod, psb_protect_name => psb_iscatterv
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#ifdef MPI_MOD
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use mpi
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@ -296,15 +291,15 @@ subroutine psb_iscatterv(globx, locx, desc_a, info, iroot)
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include 'mpif.h'
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#endif
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integer(psb_ipk_), intent(out) :: locx(:)
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integer(psb_ipk_), intent(out), allocatable :: locx(:)
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integer(psb_ipk_), intent(in) :: globx(:)
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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_), intent(in), optional :: iroot
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integer(psb_ipk_), intent(in), optional :: root
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! locals
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integer(psb_mpik_) :: ictxt, np, me, root, iiroot, icomm, myrank, rootrank
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integer(psb_mpik_) :: ictxt, np, iam, iroot, iiroot, icomm, myrank, rootrank
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integer(psb_ipk_) :: ierr(5), err_act, m, n, i, j, idx, nrow, iglobx, jglobx,&
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& ilocx, jlocx, lda_locx, lda_globx, k, pos, ilx, jlx
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integer(psb_ipk_), allocatable :: scatterv(:)
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@ -322,34 +317,33 @@ subroutine psb_iscatterv(globx, locx, desc_a, info, iroot)
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! check on blacs grid
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call psb_info(ictxt, me, np)
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call psb_info(ictxt, iam, np)
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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if (present(iroot)) then
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root = iroot
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if((root < -1).or.(root > np)) then
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if (present(root)) then
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iroot = root
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if((iroot < -1).or.(iroot > np)) then
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info=psb_err_input_value_invalid_i_
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ierr(1) = 5; ierr(2)=root
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ierr(1) = 5; ierr(2)=iroot
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call psb_errpush(info,name,i_err=ierr)
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goto 9999
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end if
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else
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root = -1
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iroot = psb_root_
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end if
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call psb_get_mpicomm(ictxt,icomm)
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call psb_get_rank(myrank,ictxt,me)
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call psb_get_rank(myrank,ictxt,iam)
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iglobx = 1
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jglobx = 1
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ilocx = 1
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jlocx = 1
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lda_globx = size(globx)
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lda_locx = size(locx)
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lda_globx = size(globx, 1)
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m = desc_a%get_global_rows()
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n = desc_a%get_global_cols()
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@ -358,8 +352,6 @@ subroutine psb_iscatterv(globx, locx, desc_a, info, iroot)
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! there should be a global check on k here!!!
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call psb_chkglobvect(m,n,lda_globx,iglobx,jglobx,desc_a,info)
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if (info == psb_success_) &
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& call psb_chkvect(m,n,lda_locx,ilocx,jlocx,desc_a,info,ilx,jlx)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='psb_chk(glob)vect'
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@ -367,48 +359,39 @@ subroutine psb_iscatterv(globx, locx, desc_a, info, iroot)
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goto 9999
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end if
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if ((ilx /= 1).or.(iglobx /= 1)) then
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info=psb_err_ix_n1_iy_n1_unsupported_
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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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nrow = desc_a%get_local_rows()
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allocate(displ(np),all_dim(np),ltg(nrow),stat=info)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='Allocate'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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if ((root == -1).or.(np == 1)) then
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do i=1, nrow
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ltg(i) = i
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end do
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call psb_loc_to_glob(ltg(1:nrow),desc_a,info)
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call psb_geall(locx,desc_a,info)
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if ((iroot == -1).or.(np == 1)) then
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! extract my chunk
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do i=1, nrow
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call psb_loc_to_glob(i,idx,desc_a,info)
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locx(i)=globx(idx)
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locx(i)=globx(ltg(i))
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end do
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else
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call psb_get_rank(rootrank,ictxt,root)
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! root has to gather size information
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allocate(displ(np),all_dim(np),ltg(nrow),stat=info)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='Allocate'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
|
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|
end if
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|
do i=1, nrow
|
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|
ltg(i) = i
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|
end do
|
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|
|
|
call psb_loc_to_glob(ltg(1:nrow),desc_a,info)
|
|
|
|
|
|
|
|
|
|
call psb_get_rank(rootrank,ictxt,iroot)
|
|
|
|
|
|
|
|
|
|
call mpi_gather(nrow,1,psb_mpi_ipk_integer,all_dim,&
|
|
|
|
|
& 1,psb_mpi_ipk_integer,rootrank,icomm,info)
|
|
|
|
|
|
|
|
|
|
if(me == root) then
|
|
|
|
|
if(iam == iroot) then
|
|
|
|
|
displ(1)=0
|
|
|
|
|
do i=2,np
|
|
|
|
|
displ(i)=displ(i-1) + all_dim(i-1)
|
|
|
|
|
end do
|
|
|
|
|
if (debug_level >= psb_debug_inner_) then
|
|
|
|
|
write(debug_unit,*) me,' ',trim(name),' displ:',displ(1:np), &
|
|
|
|
|
write(debug_unit,*) iam,' ',trim(name),' displ:',displ(1:np), &
|
|
|
|
|
&' dim',all_dim(1:np), sum(all_dim)
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
@ -436,7 +419,7 @@ subroutine psb_iscatterv(globx, locx, desc_a, info, iroot)
|
|
|
|
|
& displ,psb_mpi_ipk_integer,rootrank,icomm,info)
|
|
|
|
|
|
|
|
|
|
! prepare vector to scatter
|
|
|
|
|
if (me == root) then
|
|
|
|
|
if (iam == iroot) then
|
|
|
|
|
do i=1,np
|
|
|
|
|
pos=displ(i)
|
|
|
|
|
do j=1, all_dim(i)
|
|
|
|
@ -451,7 +434,7 @@ subroutine psb_iscatterv(globx, locx, desc_a, info, iroot)
|
|
|
|
|
& psb_mpi_ipk_integer,locx,nrow,&
|
|
|
|
|
& psb_mpi_ipk_integer,rootrank,icomm,info)
|
|
|
|
|
|
|
|
|
|
deallocate(all_dim, l_t_g_all, displ, ltg, scatterv,stat=info)
|
|
|
|
|
deallocate(l_t_g_all, scatterv,stat=info)
|
|
|
|
|
if(info /= psb_success_) then
|
|
|
|
|
info=psb_err_from_subroutine_
|
|
|
|
|
ch_err='deallocate'
|
|
|
|
@ -460,6 +443,14 @@ subroutine psb_iscatterv(globx, locx, desc_a, info, iroot)
|
|
|
|
|
end if
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
deallocate(all_dim, displ, ltg,stat=info)
|
|
|
|
|
if(info /= psb_success_) then
|
|
|
|
|
info=psb_err_from_subroutine_
|
|
|
|
|
ch_err='deallocate'
|
|
|
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
@ -469,8 +460,6 @@ subroutine psb_iscatterv(globx, locx, desc_a, info, iroot)
|
|
|
|
|
|
|
|
|
|
end subroutine psb_iscatterv
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
!!$
|
|
|
|
|
!!$ Parallel Sparse BLAS version 3.4
|
|
|
|
|
!!$ (C) Copyright 2006, 2010, 2015
|
|
|
|
@ -502,18 +491,18 @@ end subroutine psb_iscatterv
|
|
|
|
|
!!$ POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
|
!!$
|
|
|
|
|
!!$
|
|
|
|
|
subroutine psb_iscatter_vect(globx, locx, desc_a, info, iroot, mold)
|
|
|
|
|
subroutine psb_iscatter_vect(globx, locx, desc_a, info, root, mold)
|
|
|
|
|
use psb_base_mod, psb_protect_name => psb_iscatter_vect
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_i_vect_type), intent(inout) :: locx
|
|
|
|
|
integer(psb_ipk_), intent(in) :: globx(:)
|
|
|
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
|
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
|
integer(psb_ipk_), intent(in), optional :: iroot
|
|
|
|
|
integer(psb_ipk_), intent(in), optional :: root
|
|
|
|
|
class(psb_i_base_vect_type), intent(in), optional :: mold
|
|
|
|
|
|
|
|
|
|
! locals
|
|
|
|
|
integer(psb_mpik_) :: ictxt, np, me, root, iiroot, icomm, myrank, rootrank
|
|
|
|
|
integer(psb_mpik_) :: ictxt, np, me, icomm, myrank, rootrank
|
|
|
|
|
integer(psb_ipk_) :: ierr(5), err_act, m, n, i, j, idx, nrow, iglobx, jglobx,&
|
|
|
|
|
& ilocx, jlocx, lda_locx, lda_globx, k, pos, ilx, jlx
|
|
|
|
|
integer(psb_ipk_), allocatable :: vlocx(:)
|
|
|
|
@ -536,16 +525,15 @@ subroutine psb_iscatter_vect(globx, locx, desc_a, info, iroot, mold)
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
call psb_geall(vlocx,desc_a,info)
|
|
|
|
|
|
|
|
|
|
if (info == psb_success_) call psb_scatter(globx, vlocx, desc_a, info, iroot)
|
|
|
|
|
if (info == psb_success_) call psb_scatter(globx, vlocx, desc_a, info, root=root)
|
|
|
|
|
if (info /= psb_success_) then
|
|
|
|
|
info = psb_err_from_subroutine_
|
|
|
|
|
call psb_errpush(info,name,a_err='psb_scatterv')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
call locx%bld(vlocx,mold)
|
|
|
|
|
call locx%bld(vlocx,mold=mold)
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|