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psblas3/base/internals/psi_bld_glb_dep_list.F90

216 lines
6.3 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.
!
!
subroutine psi_i_bld_glb_dep_list(ictxt,loc_dl,length_dl,dep_list,dl_lda,info)
use psi_mod, psb_protect_name => psi_i_bld_glb_dep_list
#ifdef MPI_MOD
use mpi
#endif
use psb_penv_mod
use psb_const_mod
use psb_error_mod
use psb_desc_mod
use psb_sort_mod
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
! ....scalar parameters...
integer(psb_ipk_), intent(in) :: ictxt
integer(psb_ipk_), intent(out) :: dl_lda
integer(psb_ipk_), intent(in) :: loc_dl(:), length_dl(0:)
integer(psb_ipk_), allocatable, intent(out) :: dep_list(:,:)
integer(psb_ipk_), intent(out) :: info
! .....local arrays....
integer(psb_ipk_) :: int_err(5)
! .....local scalars...
integer(psb_ipk_) :: i, proc,j,err_act
integer(psb_ipk_) :: err
integer(psb_ipk_) :: debug_level, debug_unit
integer(psb_mpk_) :: iictxt, icomm, me, np, minfo
logical, parameter :: dist_symm_list=.false., print_dl=.false.
character name*20
name='psi_bld_glb_dep_list'
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
iictxt = ictxt
info = psb_success_
call psb_info(iictxt,me,np)
dl_lda = length_dl(me)
call psb_max(iictxt, dl_lda)
if (debug_level >= psb_debug_inner_) &
& write(debug_unit,*) me,' ',trim(name),': Dep_list length ',length_dl(me),dl_lda
dl_lda = max(dl_lda,1)
allocate(dep_list(dl_lda,0:np),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
icomm = psb_get_mpi_comm(iictxt)
call mpi_allgather(loc_dl,dl_lda,psb_mpi_ipk_,&
& dep_list,dl_lda,psb_mpi_ipk_,icomm,minfo)
info = minfo
if (info /= psb_success_) then
info=psb_err_internal_error_
goto 9999
endif
if (print_dl) then
if (me == 0) then
write(0,*) ' Dep_list '
do i=0,np-1
j = length_dl(i)
write(0,*) 'Proc ',i,':',dep_list(1:j,i)
end do
flush(0)
end if
call psb_barrier(ictxt)
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err)
call psb_error_handler(err_act)
return
end subroutine psi_i_bld_glb_dep_list
subroutine psi_i_bld_glb_csr_dep_list(ictxt,loc_dl,length_dl,c_dep_list,dl_ptr,info)
use psi_mod, psb_protect_name => psi_i_bld_glb_csr_dep_list
#ifdef MPI_MOD
use mpi
#endif
use psb_penv_mod
use psb_const_mod
use psb_error_mod
use psb_desc_mod
use psb_sort_mod
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
! ....scalar parameters...
integer(psb_ipk_), intent(in) :: ictxt
integer(psb_ipk_), intent(in) :: loc_dl(:), length_dl(0:)
integer(psb_ipk_), allocatable, intent(out) :: c_dep_list(:), dl_ptr(:)
integer(psb_ipk_), intent(out) :: info
! .....local arrays....
integer(psb_ipk_) :: int_err(5)
! .....local scalars...
integer(psb_ipk_) :: i, proc,j,err_act, length, myld
integer(psb_ipk_) :: err
integer(psb_ipk_) :: debug_level, debug_unit
integer(psb_mpk_) :: iictxt, icomm, me, np, minfo
logical, parameter :: dist_symm_list=.false., print_dl=.false.
character name*20
name='psi_bld_glb_csr_dep_list'
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
iictxt = ictxt
info = psb_success_
call psb_info(iictxt,me,np)
myld = length_dl(me)
length = sum(length_dl(0:np-1))
allocate(dl_ptr(0:np),stat=info)
dl_ptr(0) = 0
do i=1, np
dl_ptr(i) = dl_ptr(i-1) + length_dl(i-1)
end do
if (length /= dl_ptr(np)) then
write(0,*) me,trim(name),' Inconsistency: ',length,dl_ptr(np)
end if
if (debug_level >= psb_debug_inner_) &
& write(debug_unit,*) me,' ',trim(name),': Dep_list length ',length_dl(me)
allocate(c_dep_list(length),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
icomm = psb_get_mpi_comm(iictxt)
call mpi_allgatherv(loc_dl,myld,psb_mpi_ipk_,&
& c_dep_list,length_dl,dl_ptr,psb_mpi_ipk_,icomm,minfo)
info = minfo
if (info /= psb_success_) then
info=psb_err_internal_error_
goto 9999
endif
dl_ptr = dl_ptr + 1
if (print_dl) then
if (me == 0) then
write(0,*) ' Dep_list '
do i=0,np-1
write(0,*) 'Proc ',i,':',c_dep_list(dl_ptr(i):dl_ptr(i+1)-1)
end do
flush(0)
end if
call psb_barrier(ictxt)
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err)
call psb_error_handler(err_act)
return
end subroutine psi_i_bld_glb_csr_dep_list