Add new source file for alternative CDASB.
Salvatore Filippone
5 years ago
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!
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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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subroutine psi_i_bld_glb_dep_list(ictxt,loc_dl,length_dl,dep_list,dl_lda,info)
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use psi_mod, psb_protect_name => psi_i_bld_glb_dep_list
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#ifdef MPI_MOD
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use mpi
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#endif
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use psb_penv_mod
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use psb_const_mod
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use psb_error_mod
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use psb_desc_mod
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use psb_sort_mod
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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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! ....scalar parameters...
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integer(psb_ipk_), intent(in) :: ictxt
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integer(psb_ipk_), intent(out) :: dl_lda
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integer(psb_ipk_), intent(in) :: loc_dl(:), length_dl(0:)
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integer(psb_ipk_), allocatable, intent(out) :: dep_list(:,:)
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integer(psb_ipk_), intent(out) :: info
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! .....local arrays....
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integer(psb_ipk_) :: int_err(5)
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! .....local scalars...
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integer(psb_ipk_) :: i, proc,j,err_act
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integer(psb_ipk_) :: err
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integer(psb_ipk_) :: debug_level, debug_unit
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integer(psb_mpk_) :: iictxt, icomm, me, np, minfo
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logical, parameter :: dist_symm_list=.false., print_dl=.false.
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character name*20
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name='psi_bld_glb_dep_list'
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call psb_erractionsave(err_act)
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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iictxt = ictxt
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info = psb_success_
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call psb_info(iictxt,me,np)
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dl_lda = length_dl(me)
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call psb_max(iictxt, dl_lda)
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if (debug_level >= psb_debug_inner_) &
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& write(debug_unit,*) me,' ',trim(name),': Dep_list length ',length_dl(me),dl_lda
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dl_lda = max(dl_lda,1)
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allocate(dep_list(dl_lda,0:np),stat=info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
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goto 9999
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end if
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icomm = psb_get_mpi_comm(iictxt)
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call mpi_allgather(loc_dl,dl_lda,psb_mpi_ipk_,&
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& dep_list,dl_lda,psb_mpi_ipk_,icomm,minfo)
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info = minfo
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if (info /= psb_success_) then
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info=psb_err_internal_error_
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goto 9999
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endif
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if (print_dl) then
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if (me == 0) then
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write(0,*) ' Dep_list '
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do i=0,np-1
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j = length_dl(i)
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write(0,*) 'Proc ',i,':',dep_list(1:j,i)
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end do
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flush(0)
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end if
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call psb_barrier(ictxt)
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end if
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_errpush(info,name,i_err=int_err)
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call psb_error_handler(err_act)
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return
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end subroutine psi_i_bld_glb_dep_list
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