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308 lines
8.3 KiB
Fortran
308 lines
8.3 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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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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module psi_s_p2p_mod
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use psi_penv_mod
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use psi_comm_buffers_mod
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interface psb_snd
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module procedure psb_ssnds, psb_ssndv, psb_ssndm, &
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& psb_ssnds_ec, psb_ssndv_ec, psb_ssndm_ec
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end interface
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interface psb_rcv
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module procedure psb_srcvs, psb_srcvv, psb_srcvm, &
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& psb_srcvs_ec, psb_srcvv_ec, psb_srcvm_ec
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end interface
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contains
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subroutine psb_ssnds(ictxt,dat,dst)
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use psi_comm_buffers_mod
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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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integer(psb_mpk_), intent(in) :: ictxt
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real(psb_spk_), intent(in) :: dat
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integer(psb_mpk_), intent(in) :: dst
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real(psb_spk_), allocatable :: dat_(:)
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integer(psb_mpk_) :: info
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#if defined(SERIAL_MPI)
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! do nothing
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#else
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allocate(dat_(1), stat=info)
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dat_(1) = dat
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call psi_snd(ictxt,psb_real_tag,dst,dat_,psb_mesg_queue)
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#endif
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end subroutine psb_ssnds
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subroutine psb_ssndv(ictxt,dat,dst)
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use psi_comm_buffers_mod
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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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integer(psb_mpk_), intent(in) :: ictxt
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real(psb_spk_), intent(in) :: dat(:)
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integer(psb_mpk_), intent(in) :: dst
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real(psb_spk_), allocatable :: dat_(:)
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integer(psb_mpk_) :: info
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#if defined(SERIAL_MPI)
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#else
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allocate(dat_(size(dat)), stat=info)
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dat_(:) = dat(:)
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call psi_snd(ictxt,psb_real_tag,dst,dat_,psb_mesg_queue)
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#endif
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end subroutine psb_ssndv
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subroutine psb_ssndm(ictxt,dat,dst,m)
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use psi_comm_buffers_mod
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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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integer(psb_mpk_), intent(in) :: ictxt
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real(psb_spk_), intent(in) :: dat(:,:)
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integer(psb_mpk_), intent(in) :: dst
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integer(psb_ipk_), intent(in), optional :: m
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real(psb_spk_), allocatable :: dat_(:)
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integer(psb_ipk_) :: i,j,k,m_,n_
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integer(psb_mpk_) :: info
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#if defined(SERIAL_MPI)
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#else
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if (present(m)) then
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m_ = m
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else
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m_ = size(dat,1)
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end if
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n_ = size(dat,2)
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allocate(dat_(m_*n_), stat=info)
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k=1
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do j=1,n_
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do i=1, m_
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dat_(k) = dat(i,j)
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k = k + 1
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end do
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end do
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call psi_snd(ictxt,psb_real_tag,dst,dat_,psb_mesg_queue)
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#endif
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end subroutine psb_ssndm
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subroutine psb_srcvs(ictxt,dat,src)
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use psi_comm_buffers_mod
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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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integer(psb_mpk_), intent(in) :: ictxt
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real(psb_spk_), intent(out) :: dat
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integer(psb_mpk_), intent(in) :: src
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integer(psb_mpk_) :: info
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integer(psb_mpk_) :: status(mpi_status_size)
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#if defined(SERIAL_MPI)
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! do nothing
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#else
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call mpi_recv(dat,1,psb_mpi_r_spk_,src,psb_real_tag,ictxt,status,info)
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call psb_test_nodes(psb_mesg_queue)
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#endif
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end subroutine psb_srcvs
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subroutine psb_srcvv(ictxt,dat,src)
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use psi_comm_buffers_mod
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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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integer(psb_mpk_), intent(in) :: ictxt
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real(psb_spk_), intent(out) :: dat(:)
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integer(psb_mpk_), intent(in) :: src
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real(psb_spk_), allocatable :: dat_(:)
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integer(psb_mpk_) :: info
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integer(psb_mpk_) :: status(mpi_status_size)
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#if defined(SERIAL_MPI)
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#else
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call mpi_recv(dat,size(dat),psb_mpi_r_spk_,src,psb_real_tag,ictxt,status,info)
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call psb_test_nodes(psb_mesg_queue)
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#endif
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end subroutine psb_srcvv
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subroutine psb_srcvm(ictxt,dat,src,m)
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use psi_comm_buffers_mod
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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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integer(psb_mpk_), intent(in) :: ictxt
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real(psb_spk_), intent(out) :: dat(:,:)
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integer(psb_mpk_), intent(in) :: src
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integer(psb_ipk_), intent(in), optional :: m
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real(psb_spk_), allocatable :: dat_(:)
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integer(psb_mpk_) :: info ,m_,n_, ld, mp_rcv_type
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integer(psb_mpk_) :: i,j,k
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integer(psb_mpk_) :: status(mpi_status_size)
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#if defined(SERIAL_MPI)
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! What should we do here??
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#else
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if (present(m)) then
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m_ = m
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ld = size(dat,1)
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n_ = size(dat,2)
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call mpi_type_vector(n_,m_,ld,psb_mpi_r_spk_,mp_rcv_type,info)
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if (info == mpi_success) call mpi_type_commit(mp_rcv_type,info)
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if (info == mpi_success) call mpi_recv(dat,1,mp_rcv_type,src,&
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& psb_real_tag,ictxt,status,info)
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if (info == mpi_success) call mpi_type_free(mp_rcv_type,info)
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else
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call mpi_recv(dat,size(dat),psb_mpi_r_spk_,src,psb_real_tag,ictxt,status,info)
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end if
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if (info /= mpi_success) then
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write(psb_err_unit,*) 'Error in psb_recv', info
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end if
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call psb_test_nodes(psb_mesg_queue)
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#endif
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end subroutine psb_srcvm
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subroutine psb_ssnds_ec(ictxt,dat,dst)
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integer(psb_epk_), intent(in) :: ictxt
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real(psb_spk_), intent(in) :: dat
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integer(psb_epk_), intent(in) :: dst
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integer(psb_mpk_) :: iictxt, idst
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iictxt = ictxt
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idst = dst
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call psb_snd(iictxt, dat, idst)
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end subroutine psb_ssnds_ec
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subroutine psb_ssndv_ec(ictxt,dat,dst)
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integer(psb_epk_), intent(in) :: ictxt
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real(psb_spk_), intent(in) :: dat(:)
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integer(psb_epk_), intent(in) :: dst
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integer(psb_mpk_) :: iictxt, idst
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iictxt = ictxt
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idst = dst
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call psb_snd(iictxt, dat, idst)
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end subroutine psb_ssndv_ec
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subroutine psb_ssndm_ec(ictxt,dat,dst,m)
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integer(psb_epk_), intent(in) :: ictxt
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real(psb_spk_), intent(in) :: dat(:,:)
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integer(psb_epk_), intent(in) :: dst
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integer(psb_mpk_) :: iictxt, idst
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iictxt = ictxt
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idst = dst
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call psb_snd(iictxt, dat, idst)
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end subroutine psb_ssndm_ec
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subroutine psb_srcvs_ec(ictxt,dat,src)
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integer(psb_epk_), intent(in) :: ictxt
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real(psb_spk_), intent(out) :: dat
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integer(psb_epk_), intent(in) :: src
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integer(psb_mpk_) :: iictxt, isrc
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iictxt = ictxt
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isrc = src
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call psb_rcv(iictxt, dat, isrc)
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end subroutine psb_srcvs_ec
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subroutine psb_srcvv_ec(ictxt,dat,src)
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integer(psb_epk_), intent(in) :: ictxt
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real(psb_spk_), intent(out) :: dat(:)
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integer(psb_epk_), intent(in) :: src
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integer(psb_mpk_) :: iictxt, isrc
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iictxt = ictxt
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isrc = src
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call psb_rcv(iictxt, dat, isrc)
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end subroutine psb_srcvv_ec
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subroutine psb_srcvm_ec(ictxt,dat,src,m)
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integer(psb_epk_), intent(in) :: ictxt
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real(psb_spk_), intent(out) :: dat(:,:)
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integer(psb_epk_), intent(in) :: src
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integer(psb_mpk_) :: iictxt, isrc
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iictxt = ictxt
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isrc = src
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call psb_rcv(iictxt, dat, isrc)
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end subroutine psb_srcvm_ec
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end module psi_s_p2p_mod
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