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991 lines
34 KiB
Fortran
991 lines
34 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS v2.0
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!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
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!!$ 1. Redistributions of source code must retain the above copyright
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!!$ notice, this list of conditions and the following disclaimer.
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!!$ 2. Redistributions in binary form must reproduce the above copyright
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!!$ notice, this list of conditions, and the following disclaimer in the
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!!$ documentation and/or other materials provided with the distribution.
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!!$ 3. The name of the PSBLAS group or the names of its contributors may
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!!$ not be used to endorse or promote products derived from this
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!!$ software without specific written permission.
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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subroutine psi_dswaptranm(flag,n,beta,y,desc_a,work,info,data)
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use psb_error_mod
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use psb_descriptor_type
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use mpi
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implicit none
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integer, intent(in) :: flag, n
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integer, intent(out) :: info
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real(kind(1.d0)) :: y(:,:), beta
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real(kind(1.d0)), target :: work(:)
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type(psb_desc_type) :: desc_a
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integer, optional :: data
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! locals
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integer :: icontxt, nprow, npcol, myrow,&
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& mycol, point_to_proc, nesd, nerv,&
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& proc_to_comm, p2ptag, icomm, p2pstat(mpi_status_size),&
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& idxs, idxr, iret, errlen, ifcomm, rank,&
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& err_act, totxch, ixrec, i, lw, idx_pt,&
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& snd_pt, rcv_pt
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integer, pointer, dimension(:) :: bsdidx, brvidx,&
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& sdsz, rvsz, prcid, ptp, rvhd, d_idx
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integer :: int_err(5)
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integer :: blacs_pnum, krecvid, ksendid
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logical :: swap_mpi, swap_sync, swap_send, swap_recv, all
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real(kind(1.d0)), pointer, dimension(:) :: sndbuf, rcvbuf
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character(len=20) :: name, ch_err
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interface psi_gth
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subroutine psi_dgthm(n,k,idx,x,y)
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integer :: n, k, idx(:)
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real(kind(1.d0)) :: x(:,:), y(:)
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end subroutine psi_dgthm
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subroutine psi_dgthv(n,idx,x,y)
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integer :: n, idx(:)
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real(kind(1.d0)) :: x(:), y(:)
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end subroutine psi_dgthv
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subroutine psi_igthm(n,k,idx,x,y)
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integer :: n, k, idx(:)
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integer :: x(:,:), y(:)
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end subroutine psi_igthm
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subroutine psi_igthv(n,idx,x,y)
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integer :: n, idx(:)
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integer :: x(:), y(:)
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end subroutine psi_igthv
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end interface
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interface psi_sct
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subroutine psi_dsctm(n,k,idx,x,beta,y)
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integer :: n, k, idx(:)
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real(kind(1.d0)) :: beta, x(:), y(:,:)
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end subroutine psi_dsctm
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subroutine psi_dsctv(n,idx,x,beta,y)
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integer :: n, idx(:)
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real(kind(1.d0)) :: beta, x(:), y(:)
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end subroutine psi_dsctv
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subroutine psi_isctm(n,k,idx,x,beta,y)
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integer :: n, k, idx(:)
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integer :: beta, x(:), y(:,:)
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end subroutine psi_isctm
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subroutine psi_isctv(n,idx,x,beta,y)
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integer :: n, idx(:)
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integer :: beta, x(:), y(:)
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end subroutine psi_isctv
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end interface
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info = 0
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name='psi_dswaptranm'
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call psb_erractionsave(err_act)
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icontxt=desc_a%matrix_data(psb_ctxt_)
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call blacs_gridinfo(icontxt,nprow,npcol,myrow,mycol)
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if (nprow == -1) then
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info = 2010
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call psb_errpush(info,name)
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goto 9999
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else if (npcol /= 1) then
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info = 2030
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int_err(1) = npcol
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call psb_errpush(info,name)
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goto 9999
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endif
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call blacs_get(icontxt,10,icomm)
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allocate(sdsz(0:nprow-1), rvsz(0:nprow-1), bsdidx(0:nprow-1),&
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& brvidx(0:nprow-1), rvhd(0:nprow-1), prcid(0:nprow-1),&
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& ptp(0:nprow-1), stat=info)
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if(info.ne.0) then
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call psb_errpush(4000,name)
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goto 9999
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end if
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swap_mpi = iand(flag,psb_swap_mpi_).ne.0
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swap_sync = iand(flag,psb_swap_sync_).ne.0
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swap_send = iand(flag,psb_swap_send_).ne.0
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swap_recv = iand(flag,psb_swap_recv_).ne.0
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if(present(data)) then
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if(data.eq.psb_comm_halo_) then
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d_idx => desc_a%halo_index
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else if(data.eq.psb_comm_ovr_) then
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d_idx => desc_a%ovrlap_index
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else
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d_idx => desc_a%halo_index
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end if
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else
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d_idx => desc_a%halo_index
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end if
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idxs = 0
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idxr = 0
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totxch = 0
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point_to_proc = 1
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rvhd(:) = mpi_request_null
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! prepare info for communications
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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do while (proc_to_comm.ne.-1)
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if(proc_to_comm .ne. myrow) totxch = totxch+1
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nerv = d_idx(point_to_proc+psb_n_elem_recv_)
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nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
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prcid(proc_to_comm) = blacs_pnum(icontxt,proc_to_comm,mycol)
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ptp(proc_to_comm) = point_to_proc
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brvidx(proc_to_comm) = idxr
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rvsz(proc_to_comm) = n*nerv
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idxr = idxr+rvsz(proc_to_comm)
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bsdidx(proc_to_comm) = idxs
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sdsz(proc_to_comm) = n*nesd
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idxs = idxs+sdsz(proc_to_comm)
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point_to_proc = point_to_proc+nerv+nesd+3
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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end do
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if((idxr+idxs).lt.size(work)) then
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sndbuf => work(1:idxs)
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rcvbuf => work(idxs+1:idxs+idxr)
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all=.false.
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else
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allocate(sndbuf(idxs),rcvbuf(idxr), stat=info)
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if(info.ne.0) then
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call psb_errpush(4000,name)
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goto 9999
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end if
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all=.true.
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end if
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! Case SWAP_MPI
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if(swap_mpi) then
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! gather elements into sendbuffer for swapping
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point_to_proc = 1
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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do while (proc_to_comm .ne. -1)
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nerv = d_idx(point_to_proc+psb_n_elem_recv_)
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nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
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idx_pt = point_to_proc+psb_elem_recv_
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rcv_pt = brvidx(proc_to_comm)
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call psi_gth(nerv,n,d_idx(idx_pt:idx_pt+nerv-1),&
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& y,rcvbuf(rcv_pt:rcv_pt+nerv*n-1))
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point_to_proc = point_to_proc+nerv+nesd+3
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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end do
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! swap elements using mpi_alltoallv
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call mpi_alltoallv(rcvbuf,rvsz,brvidx,&
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& mpi_double_precision,sndbuf,sdsz,&
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& bsdidx,mpi_double_precision,icomm,iret)
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if(iret.ne.mpi_success) then
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int_err(1) = iret
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info=400
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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! scatter elements from receivebuffer after swapping
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point_to_proc = 1
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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do while (proc_to_comm .ne. -1)
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nerv = d_idx(point_to_proc+psb_n_elem_recv_)
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nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
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idx_pt = point_to_proc+nerv+psb_elem_send_
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snd_pt = bsdidx(proc_to_comm)
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call psi_sct(nesd,n,d_idx(idx_pt:idx_pt+nesd-1),&
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& sndbuf(snd_pt:snd_pt+n*nesd-1),beta,y)
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point_to_proc = point_to_proc+nerv+nesd+3
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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end do
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else if (swap_sync) then
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point_to_proc = 1
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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do while (proc_to_comm .ne. -1)
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nerv = d_idx(point_to_proc+psb_n_elem_recv_)
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nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
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if (proc_to_comm .lt. myrow) then
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! First I send
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idx_pt = point_to_proc+psb_elem_recv_
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rcv_pt = brvidx(proc_to_comm)
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call psi_gth(nerv,n,d_idx(idx_pt:idx_pt+nerv-1),&
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& y,rcvbuf(rcv_pt:rcv_pt+nerv*n-1))
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call dgesd2d(icontxt,nerv,n,rcvbuf(rcv_pt),nerv,proc_to_comm,0)
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! Then I receive
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snd_pt = brvidx(proc_to_comm)
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call dgerv2d(icontxt,nesd,n,sndbuf(snd_pt),nesd,proc_to_comm,0)
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else if (proc_to_comm .gt. myrow) then
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! First I receive
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snd_pt = bsdidx(proc_to_comm)
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call dgerv2d(icontxt,nesd,n,sndbuf(snd_pt),nesd,proc_to_comm,0)
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! Then I send
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idx_pt = point_to_proc+psb_elem_recv_
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rcv_pt = brvidx(proc_to_comm)
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call psi_gth(nerv,n,d_idx(idx_pt:idx_pt+nerv-1),&
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& y,rcvbuf(rcv_pt:rcv_pt+nerv*n-1))
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call dgesd2d(icontxt,nerv,n,rcvbuf(rcv_pt),nerv,proc_to_comm,0)
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else if (proc_to_comm .eq. myrow) then
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! I send to myself
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idx_pt = point_to_proc+psb_elem_recv_
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rcv_pt = bsdidx(proc_to_comm)
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call psi_gth(nerv,n,d_idx(idx_pt:idx_pt+nerv-1),&
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& y,rcvbuf(rcv_pt:rcv_pt+nerv*n-1))
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end if
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point_to_proc = point_to_proc+nerv+nesd+3
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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end do
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point_to_proc = 1
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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do while (proc_to_comm .ne. -1)
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nerv = d_idx(point_to_proc+psb_n_elem_recv_)
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nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
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if(proc_to_comm.ne.myrow) then
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idx_pt = point_to_proc+nerv+psb_elem_send_
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snd_pt = bsdidx(proc_to_comm)
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call psi_sct(nesd,n,d_idx(idx_pt:idx_pt+nesd-1),&
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& sndbuf(snd_pt:snd_pt+n*nesd-1),beta,y)
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else
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idx_pt = point_to_proc+nerv+psb_elem_send_
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rcv_pt = brvidx(proc_to_comm)
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call psi_sct(nesd,n,d_idx(idx_pt:idx_pt+nesd-1),&
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& rcvbuf(rcv_pt:rcv_pt+n*nerv-1),beta,y)
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end if
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point_to_proc = point_to_proc+nerv+nesd+3
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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end do
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else if (swap_send .and. swap_recv) then
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! First I post all the non blocking receives
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point_to_proc = 1
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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do while (proc_to_comm .ne. -1)
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nerv = d_idx(point_to_proc+psb_n_elem_recv_)
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nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
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if(proc_to_comm.ne.myrow) then
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p2ptag = krecvid(icontxt,proc_to_comm,myrow)
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snd_pt = brvidx(proc_to_comm)
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call mpi_irecv(sndbuf(rcv_pt),sdsz(proc_to_comm),&
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& mpi_double_precision,prcid(proc_to_comm),&
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& p2ptag, icomm,rvhd(proc_to_comm),iret)
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if(iret.ne.mpi_success) then
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int_err(1) = iret
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info=400
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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end if
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point_to_proc = point_to_proc+nerv+nesd+3
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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end do
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! Then I post all the blocking sends
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point_to_proc = 1
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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do while (proc_to_comm .ne. -1)
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nerv = d_idx(point_to_proc+psb_n_elem_recv_)
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nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
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idx_pt = point_to_proc+psb_elem_recv_
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rcv_pt = brvidx(proc_to_comm)
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call psi_gth(nerv,n,d_idx(idx_pt:idx_pt+nerv-1),&
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& y,rcvbuf(rcv_pt:rcv_pt+nerv*n-1))
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if(proc_to_comm .ne. myrow) then
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p2ptag=ksendid(icontxt,proc_to_comm,myrow)
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call mpi_send(rcvbuf(rcv_pt),rvsz(proc_to_comm),&
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& mpi_double_precision,prcid(proc_to_comm),&
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& p2ptag,icomm,iret)
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if(iret.ne.mpi_success) then
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int_err(1) = iret
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info=400
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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end if
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point_to_proc = point_to_proc+nerv+nesd+3
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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end do
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if(.false.) then
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do i=1, totxch
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call mpi_waitany(nprow,rvhd,ixrec,p2pstat,iret)
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if(iret.ne.mpi_success) then
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int_err(1) = iret
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info=400
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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if (ixrec .ne. mpi_undefined) then
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ixrec=ixrec-1 ! mpi_waitany returns an 1 to nprow index
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point_to_proc = ptp(ixrec)
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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nerv = d_idx(point_to_proc+psb_n_elem_recv_)
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nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
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idx_pt = point_to_proc+nerv+psb_elem_send_
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snd_pt = bsdidx(proc_to_comm)
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call psi_sct(nesd,n,d_idx(idx_pt:idx_pt+nesd-1),&
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& sndbuf(snd_pt:snd_pt+n*nesd-1),beta,y)
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else
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int_err(1) = ixrec
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info=400
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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end do
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point_to_proc = 1
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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do while (proc_to_comm .ne. -1)
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nerv = d_idx(point_to_proc+psb_n_elem_recv_)
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nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
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if(proc_to_comm .eq. myrow) then
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idx_pt = point_to_proc+nerv+psb_elem_send_
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rcv_pt = brvidx(proc_to_comm)
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call psi_sct(nesd,n,d_idx(idx_pt:idx_pt+nesd-1),&
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& rcvbuf(rcv_pt:rcv_pt+n*nerv-1),beta,y)
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end if
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point_to_proc = point_to_proc+nerv+nesd+3
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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end do
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else
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point_to_proc = 1
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proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
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do while (proc_to_comm .ne. -1)
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nerv = d_idx(point_to_proc+psb_n_elem_recv_)
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nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
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if(proc_to_comm.ne.myrow) then
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call mpi_wait(rvhd(proc_to_comm),p2pstat,iret)
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if(iret.ne.mpi_success) then
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int_err(1) = iret
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info=400
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
snd_pt = bsdidx(proc_to_comm)
|
|
call psi_sct(nesd,n,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& sndbuf(snd_pt:snd_pt+n*nesd-1),beta,y)
|
|
else
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_sct(nesd,n,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& rcvbuf(rcv_pt:rcv_pt+n*nerv-1),beta,y)
|
|
|
|
end if
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
end if
|
|
|
|
|
|
else if (swap_send) then
|
|
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
idx_pt = point_to_proc+psb_elem_recv_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_gth(nerv,n,d_idx(idx_pt:idx_pt+nerv-1),&
|
|
& y,rcvbuf(rcv_pt:rcv_pt+nerv*n-1))
|
|
call dgesd2d(icontxt,nerv,n,rcvbuf(rcv_pt),nerv,proc_to_comm,0)
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
else if (swap_recv) then
|
|
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
if(proc_to_comm.ne.myrow) then
|
|
snd_pt = bsdidx(proc_to_comm)
|
|
call dgerv2d(icontxt,nesd,n,sndbuf(snd_pt),nesd,proc_to_comm,0)
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
call psi_sct(nesd,n,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& sndbuf(snd_pt:snd_pt+n*nesd-1),beta,y)
|
|
else
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_sct(nesd,n,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& rcvbuf(rcv_pt:rcv_pt+n*nerv-1),beta,y)
|
|
end if
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
end if
|
|
|
|
deallocate(sdsz,rvsz,bsdidx,&
|
|
& brvidx,rvhd,prcid,&
|
|
& ptp,stat=info)
|
|
if(all) deallocate(sndbuf,rcvbuf,stat=info)
|
|
if(info.ne.0) then
|
|
call psb_errpush(4000,name)
|
|
goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act.eq.act_abort) then
|
|
call psb_error(icontxt)
|
|
return
|
|
end if
|
|
return
|
|
end subroutine psi_dswaptranm
|
|
|
|
|
|
|
|
|
|
|
|
|
|
!!$
|
|
!!$ Parallel Sparse BLAS v2.0
|
|
!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
|
|
!!$ Alfredo Buttari University of Rome Tor Vergata
|
|
!!$
|
|
!!$ 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.
|
|
!!$
|
|
!!$
|
|
|
|
subroutine psi_dswaptranv(flag,beta,y,desc_a,work,info,data)
|
|
|
|
use psb_error_mod
|
|
use psb_descriptor_type
|
|
use mpi
|
|
implicit none
|
|
|
|
integer, intent(in) :: flag
|
|
integer, intent(out) :: info
|
|
real(kind(1.d0)) :: y(:), beta
|
|
real(kind(1.d0)), target :: work(:)
|
|
type(psb_desc_type) :: desc_a
|
|
integer, optional :: data
|
|
|
|
! locals
|
|
integer :: icontxt, nprow, npcol, myrow,&
|
|
& mycol, point_to_proc, nesd, nerv,&
|
|
& proc_to_comm, p2ptag, icomm, p2pstat(mpi_status_size),&
|
|
& idxs, idxr, iret, errlen, ifcomm, rank,&
|
|
& err_act, totxch, ixrec, i, lw, idx_pt,&
|
|
& snd_pt, rcv_pt, n
|
|
|
|
integer, pointer, dimension(:) :: bsdidx, brvidx,&
|
|
& sdsz, rvsz, prcid, ptp, rvhd, d_idx
|
|
integer :: int_err(5)
|
|
integer :: blacs_pnum, krecvid, ksendid
|
|
logical :: swap_mpi, swap_sync, swap_send, swap_recv, all
|
|
real(kind(1.d0)), pointer, dimension(:) :: sndbuf, rcvbuf
|
|
character(len=20) :: name, ch_err
|
|
|
|
interface psi_gth
|
|
subroutine psi_dgthm(n,k,idx,x,y)
|
|
integer :: n, k, idx(:)
|
|
real(kind(1.d0)) :: x(:,:), y(:)
|
|
end subroutine psi_dgthm
|
|
subroutine psi_dgthv(n,idx,x,y)
|
|
integer :: n, idx(:)
|
|
real(kind(1.d0)) :: x(:), y(:)
|
|
end subroutine psi_dgthv
|
|
subroutine psi_igthm(n,k,idx,x,y)
|
|
integer :: n, k, idx(:)
|
|
integer :: x(:,:), y(:)
|
|
end subroutine psi_igthm
|
|
subroutine psi_igthv(n,idx,x,y)
|
|
integer :: n, idx(:)
|
|
integer :: x(:), y(:)
|
|
end subroutine psi_igthv
|
|
end interface
|
|
|
|
interface psi_sct
|
|
subroutine psi_dsctm(n,k,idx,x,beta,y)
|
|
integer :: n, k, idx(:)
|
|
real(kind(1.d0)) :: beta, x(:), y(:,:)
|
|
end subroutine psi_dsctm
|
|
subroutine psi_dsctv(n,idx,x,beta,y)
|
|
integer :: n, idx(:)
|
|
real(kind(1.d0)) :: beta, x(:), y(:)
|
|
end subroutine psi_dsctv
|
|
subroutine psi_isctm(n,k,idx,x,beta,y)
|
|
integer :: n, k, idx(:)
|
|
integer :: beta, x(:), y(:,:)
|
|
end subroutine psi_isctm
|
|
subroutine psi_isctv(n,idx,x,beta,y)
|
|
integer :: n, idx(:)
|
|
integer :: beta, x(:), y(:)
|
|
end subroutine psi_isctv
|
|
end interface
|
|
|
|
info = 0
|
|
name='psi_dswaptranv'
|
|
call psb_erractionsave(err_act)
|
|
|
|
icontxt=desc_a%matrix_data(psb_ctxt_)
|
|
call blacs_gridinfo(icontxt,nprow,npcol,myrow,mycol)
|
|
if (nprow == -1) then
|
|
info = 2010
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
else if (npcol /= 1) then
|
|
info = 2030
|
|
int_err(1) = npcol
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
call blacs_get(icontxt,10,icomm)
|
|
|
|
allocate(sdsz(0:nprow-1), rvsz(0:nprow-1), bsdidx(0:nprow-1),&
|
|
& brvidx(0:nprow-1), rvhd(0:nprow-1), prcid(0:nprow-1),&
|
|
& ptp(0:nprow-1), stat=info)
|
|
if(info.ne.0) then
|
|
call psb_errpush(4000,name)
|
|
goto 9999
|
|
end if
|
|
|
|
swap_mpi = iand(flag,psb_swap_mpi_).ne.0
|
|
swap_sync = iand(flag,psb_swap_sync_).ne.0
|
|
swap_send = iand(flag,psb_swap_send_).ne.0
|
|
swap_recv = iand(flag,psb_swap_recv_).ne.0
|
|
|
|
if(present(data)) then
|
|
if(data.eq.psb_comm_halo_) then
|
|
d_idx => desc_a%halo_index
|
|
else if(data.eq.psb_comm_ovr_) then
|
|
d_idx => desc_a%ovrlap_index
|
|
else
|
|
d_idx => desc_a%halo_index
|
|
end if
|
|
else
|
|
d_idx => desc_a%halo_index
|
|
end if
|
|
|
|
idxs = 0
|
|
idxr = 0
|
|
totxch = 0
|
|
point_to_proc = 1
|
|
rvhd(:) = mpi_request_null
|
|
n=1
|
|
|
|
! prepare info for communications
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm.ne.-1)
|
|
if(proc_to_comm .ne. myrow) totxch = totxch+1
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
prcid(proc_to_comm) = blacs_pnum(icontxt,proc_to_comm,mycol)
|
|
ptp(proc_to_comm) = point_to_proc
|
|
|
|
brvidx(proc_to_comm) = idxr
|
|
rvsz(proc_to_comm) = nerv
|
|
idxr = idxr+rvsz(proc_to_comm)
|
|
|
|
bsdidx(proc_to_comm) = idxs
|
|
sdsz(proc_to_comm) = nesd
|
|
idxs = idxs+sdsz(proc_to_comm)
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
if((idxr+idxs).lt.size(work)) then
|
|
sndbuf => work(1:idxs)
|
|
rcvbuf => work(idxs+1:idxs+idxr)
|
|
all=.false.
|
|
else
|
|
allocate(sndbuf(idxs),rcvbuf(idxr), stat=info)
|
|
if(info.ne.0) then
|
|
call psb_errpush(4000,name)
|
|
goto 9999
|
|
end if
|
|
all=.true.
|
|
end if
|
|
|
|
! Case SWAP_MPI
|
|
if(swap_mpi) then
|
|
|
|
! gather elements into sendbuffer for swapping
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
idx_pt = point_to_proc+psb_elem_recv_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_gth(nerv,d_idx(idx_pt:idx_pt+nerv-1),&
|
|
& y,rcvbuf(rcv_pt:rcv_pt+nerv-1))
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
! swap elements using mpi_alltoallv
|
|
call mpi_alltoallv(rcvbuf,rvsz,brvidx,&
|
|
& mpi_double_precision,sndbuf,sdsz,&
|
|
& bsdidx,mpi_double_precision,icomm,iret)
|
|
if(iret.ne.mpi_success) then
|
|
int_err(1) = iret
|
|
info=400
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
|
|
! scatter elements from receivebuffer after swapping
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
snd_pt = bsdidx(proc_to_comm)
|
|
call psi_sct(nesd,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& sndbuf(snd_pt:snd_pt+nesd-1),beta,y)
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
else if (swap_sync) then
|
|
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
if (proc_to_comm .lt. myrow) then
|
|
! First I send
|
|
idx_pt = point_to_proc+psb_elem_recv_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_gth(nerv,d_idx(idx_pt:idx_pt+nerv-1),&
|
|
& y,rcvbuf(rcv_pt:rcv_pt+nerv-1))
|
|
call dgesd2d(icontxt,nerv,1,rcvbuf(rcv_pt),nerv,proc_to_comm,0)
|
|
! Then I receive
|
|
snd_pt = brvidx(proc_to_comm)
|
|
call dgerv2d(icontxt,nesd,1,sndbuf(snd_pt),nesd,proc_to_comm,0)
|
|
else if (proc_to_comm .gt. myrow) then
|
|
! First I receive
|
|
snd_pt = bsdidx(proc_to_comm)
|
|
call dgerv2d(icontxt,nesd,1,sndbuf(snd_pt),nesd,proc_to_comm,0)
|
|
! Then I send
|
|
idx_pt = point_to_proc+psb_elem_recv_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_gth(nerv,d_idx(idx_pt:idx_pt+nerv-1),&
|
|
& y,rcvbuf(rcv_pt:rcv_pt+nerv-1))
|
|
call dgesd2d(icontxt,nerv,1,rcvbuf(rcv_pt),nerv,proc_to_comm,0)
|
|
else if (proc_to_comm .eq. myrow) then
|
|
! I send to myself
|
|
idx_pt = point_to_proc+psb_elem_recv_
|
|
rcv_pt = bsdidx(proc_to_comm)
|
|
call psi_gth(nerv,d_idx(idx_pt:idx_pt+nerv-1),&
|
|
& y,rcvbuf(rcv_pt:rcv_pt+nerv-1))
|
|
end if
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
if(proc_to_comm.ne.myrow) then
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
snd_pt = bsdidx(proc_to_comm)
|
|
call psi_sct(nesd,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& sndbuf(snd_pt:snd_pt+nesd-1),beta,y)
|
|
else
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_sct(nesd,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& rcvbuf(rcv_pt:rcv_pt+nerv-1),beta,y)
|
|
end if
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
else if (swap_send .and. swap_recv) then
|
|
|
|
! First I post all the non blocking receives
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
if(proc_to_comm.ne.myrow) then
|
|
p2ptag = krecvid(icontxt,proc_to_comm,myrow)
|
|
snd_pt = brvidx(proc_to_comm)
|
|
call mpi_irecv(sndbuf(snd_pt),sdsz(proc_to_comm),&
|
|
& mpi_double_precision,prcid(proc_to_comm),&
|
|
& p2ptag, icomm,rvhd(proc_to_comm),iret)
|
|
if(iret.ne.mpi_success) then
|
|
int_err(1) = iret
|
|
info=400
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
end if
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
! Then I post all the blocking sends
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
idx_pt = point_to_proc+psb_elem_recv_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_gth(nerv,d_idx(idx_pt:idx_pt+nerv-1),&
|
|
& y,rcvbuf(rcv_pt:rcv_pt+nerv-1))
|
|
|
|
if(proc_to_comm .ne. myrow) then
|
|
p2ptag=ksendid(icontxt,proc_to_comm,myrow)
|
|
call mpi_send(rcvbuf(rcv_pt),rvsz(proc_to_comm),&
|
|
& mpi_double_precision,prcid(proc_to_comm),&
|
|
& p2ptag,icomm,iret)
|
|
if(iret.ne.mpi_success) then
|
|
int_err(1) = iret
|
|
info=400
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
end if
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
if(.false.) then
|
|
do i=1, totxch
|
|
call mpi_waitany(nprow,rvhd,ixrec,p2pstat,iret)
|
|
if(iret.ne.mpi_success) then
|
|
int_err(1) = iret
|
|
info=400
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
|
|
if (ixrec .ne. mpi_undefined) then
|
|
ixrec=ixrec-1 ! mpi_waitany returns an 1 to nprow index
|
|
point_to_proc = ptp(ixrec)
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
rcv_pt = bsdidx(proc_to_comm)
|
|
call psi_sct(nesd,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& rcvbuf(rcv_pt:rcv_pt+nerv-1),beta,y)
|
|
else
|
|
int_err(1) = ixrec
|
|
info=400
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
end do
|
|
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
if(proc_to_comm .eq. myrow) then
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_sct(nesd,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& rcvbuf(rcv_pt:rcv_pt+nerv-1),beta,y)
|
|
end if
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
else
|
|
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
if(proc_to_comm.ne.myrow) then
|
|
call mpi_wait(rvhd(proc_to_comm),p2pstat,iret)
|
|
if(iret.ne.mpi_success) then
|
|
int_err(1) = iret
|
|
info=400
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
snd_pt = bsdidx(proc_to_comm)
|
|
call psi_sct(nesd,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& sndbuf(snd_pt:snd_pt+nesd-1),beta,y)
|
|
else
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_sct(nesd,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& rcvbuf(rcv_pt:rcv_pt+nerv-1),beta,y)
|
|
|
|
end if
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
end if
|
|
|
|
else if (swap_send) then
|
|
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
idx_pt = point_to_proc+psb_elem_recv_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_gth(nerv,d_idx(idx_pt:idx_pt+nerv-1),&
|
|
& y,rcvbuf(rcv_pt:rcv_pt+nerv-1))
|
|
call dgesd2d(icontxt,nerv,1,rcvbuf(rcv_pt),nerv,proc_to_comm,0)
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
else if (swap_recv) then
|
|
|
|
point_to_proc = 1
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
do while (proc_to_comm .ne. -1)
|
|
nerv = d_idx(point_to_proc+psb_n_elem_recv_)
|
|
nesd = d_idx(point_to_proc+nerv+psb_n_elem_send_)
|
|
|
|
if(proc_to_comm.ne.myrow) then
|
|
snd_pt = bsdidx(proc_to_comm)
|
|
call dgerv2d(icontxt,nesd,1,sndbuf(snd_pt),nesd,proc_to_comm,0)
|
|
idx_pt = point_to_proc+psb_elem_recv_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_sct(nesd,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& sndbuf(snd_pt:snd_pt+nesd-1),beta,y)
|
|
else
|
|
idx_pt = point_to_proc+nerv+psb_elem_send_
|
|
rcv_pt = brvidx(proc_to_comm)
|
|
call psi_sct(nesd,d_idx(idx_pt:idx_pt+nesd-1),&
|
|
& rcvbuf(rcv_pt:rcv_pt+nerv-1),beta,y)
|
|
end if
|
|
|
|
point_to_proc = point_to_proc+nerv+nesd+3
|
|
proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
|
|
end do
|
|
|
|
end if
|
|
|
|
deallocate(sdsz,rvsz,bsdidx,&
|
|
& brvidx,rvhd,prcid,&
|
|
& ptp,stat=info)
|
|
if(all) deallocate(sndbuf,rcvbuf,stat=info)
|
|
if(info.ne.0) then
|
|
call psb_errpush(4000,name)
|
|
goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act.eq.act_abort) then
|
|
call psb_error(icontxt)
|
|
return
|
|
end if
|
|
return
|
|
end subroutine psi_dswaptranv
|