You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
psblas3/base/internals/psi_symm_dep_list.F90

191 lines
5.3 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
! File: psi_fnd_owner.f90
!
! Subroutine: psi_fnd_owner
! Figure out who owns global indices.
!
! Arguments:
!
subroutine psi_symm_dep_list_inrv(rvsz,adj,ctxt,info)
use psb_serial_mod
use psb_const_mod
use psb_error_mod
use psb_penv_mod
use psb_realloc_mod
use psb_indx_map_mod, psb_protect_name => psi_symm_dep_list_inrv
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(inout) :: rvsz(0:)
integer(psb_ipk_), allocatable, intent(inout) :: adj(:)
type(psb_ctxt_type), intent(in) :: ctxt
integer(psb_ipk_), intent(out) :: info
!
integer(psb_ipk_), allocatable :: ladj(:)
integer(psb_mpk_) :: icomm, minfo
integer(psb_ipk_) :: i,n_row,n_col,err_act,hsize,ip,&
& last_ih, last_j, nidx, nrecv, nadj, flag_
integer(psb_lpk_) :: mglob, ih
integer(psb_ipk_) :: np,me
character(len=20) :: name
info = psb_success_
name = 'psi_symm_dep_list'
call psb_erractionsave(err_act)
call psb_info(ctxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
icomm = psb_get_mpi_comm(ctxt)
nadj = size(adj)
!
! Am getting this from the outside, possibly from the wrapper call
!
if (size(rvsz)<np) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='invalid rvsz')
goto 9999
end if
nrecv = 0
do ip=0, np-1
if (rvsz(ip) > 0) nrecv = nrecv + 1
end do
!
! Now fix adj to be symmetric
!
call psb_realloc(nadj+nrecv,ladj,info)
ladj(1:nadj) = adj(1:nadj)
do ip=0, np-1
if (rvsz(ip)>0) then
nadj = nadj + 1
ladj(nadj) = ip
end if
end do
call psb_msort_unique(ladj,nadj)
call psb_realloc(nadj,adj,info)
if (info == 0) adj(1:nadj) = ladj(1:nadj)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ctxt,err_act)
return
end subroutine psi_symm_dep_list_inrv
subroutine psi_symm_dep_list_norv(adj,ctxt,info)
use psb_serial_mod
use psb_const_mod
use psb_error_mod
use psb_penv_mod
use psb_realloc_mod
use psb_indx_map_mod, psb_protect_name => psi_symm_dep_list_norv
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_ipk_), allocatable, intent(inout) :: adj(:)
type(psb_ctxt_type), intent(in) :: ctxt
integer(psb_ipk_), intent(out) :: info
!
integer(psb_mpk_), allocatable :: rvsz(:), sdsz(:)
integer(psb_mpk_) :: icomm, minfo
integer(psb_ipk_) :: i,n_row,n_col,err_act,hsize,ip,&
& last_ih, last_j, nidx, nrecv, nadj
integer(psb_ipk_) :: mglob, ih
integer(psb_ipk_) :: np, me
character(len=20) :: name
info = psb_success_
name = 'psi_symm_dep_list'
call psb_erractionsave(err_act)
call psb_info(ctxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
icomm = psb_get_mpi_comm(ctxt)
nadj = size(adj)
! write(0,*) me,name,' Going through ',nidx,nadj
Allocate(sdsz(0:np-1), rvsz(0:np-1), stat=info)
!
! First, send sizes according to adjcncy list
!
sdsz = 0
do i=1, nadj
sdsz(adj(i)) = 1
end do
!write(0,*)me,' Check on sizes into a2a:',adj(:),nadj,':',sdsz(:)
call mpi_alltoall(sdsz,1,psb_mpi_mpk_,&
& rvsz,1,psb_mpi_mpk_,icomm,minfo)
if (minfo == 0) call psi_symm_dep_list(rvsz,adj,ctxt,info)
if ((minfo /=0).or.(info /= 0)) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='inner call symm_dep')
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ctxt,err_act)
return
end subroutine psi_symm_dep_list_norv