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470 lines
15 KiB
Fortran
470 lines
15 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006, 2010, 2015, 2017
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! Salvatore Filippone Cranfield University
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! Alfredo Buttari CNRS-IRIT, Toulouse
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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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!
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!
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!
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!
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! Takes a vector x from space map%p_desc_X and maps it onto
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! map%p_desc_Y under map%map_X2Y possibly with communication
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! due to exch_fw_idx
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!
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subroutine psb_s_map_X2Y(alpha,x,beta,y,map,info,work)
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use psb_base_mod, psb_protect_name => psb_s_map_X2Y
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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real(psb_spk_), intent(in) :: alpha,beta
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real(psb_spk_), intent(inout) :: x(:)
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real(psb_spk_), intent(out) :: y(:)
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integer(psb_ipk_), intent(out) :: info
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real(psb_spk_), optional :: work(:)
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!
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real(psb_spk_), allocatable :: xt(:), yt(:)
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integer(psb_ipk_) :: i, j, nr1, nc1,nr2, nc2,&
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& map_kind, nr, ictxt
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character(len=20), parameter :: name='psb_map_X2Y'
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info = psb_success_
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if (.not.map%is_asb()) then
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write(psb_err_unit,*) trim(name),' Invalid map input: unassembled'
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info = 1
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return
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end if
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map_kind = map%get_kind()
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select case(map_kind)
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case(psb_map_aggr_)
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ictxt = map%p_desc_Y%get_context()
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nr2 = map%p_desc_Y%get_global_rows()
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nc2 = map%p_desc_Y%get_local_cols()
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allocate(yt(nc2),stat=info)
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if (info == psb_success_) call psb_halo(x,map%p_desc_X,info,work=work)
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if (info == psb_success_) call psb_csmm(sone,map%map_X2Y,x,szero,yt,info)
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if ((info == psb_success_) .and. psb_is_repl_desc(map%p_desc_Y)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_Y,info)
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if (info /= psb_success_) then
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write(psb_err_unit,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case(psb_map_gen_linear_)
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ictxt = map%desc_Y%get_context()
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nr1 = map%desc_X%get_local_rows()
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nc1 = map%desc_X%get_local_cols()
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nr2 = map%desc_Y%get_global_rows()
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nc2 = map%desc_Y%get_local_cols()
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allocate(xt(nc1),yt(nc2),stat=info)
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xt(1:nr1) = x(1:nr1)
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if (info == psb_success_) call psb_halo(xt,map%desc_X,info,work=work)
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if (info == psb_success_) call psb_csmm(sone,map%map_X2Y,xt,szero,yt,info)
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if ((info == psb_success_) .and. psb_is_repl_desc(map%desc_Y)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%desc_Y,info)
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if (info /= psb_success_) then
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write(psb_err_unit,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case default
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write(psb_err_unit,*) trim(name),' Invalid descriptor input', &
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& map_kind, psb_map_aggr_, psb_map_gen_linear_
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info = 1
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return
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end select
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end subroutine psb_s_map_X2Y
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subroutine psb_s_map_X2Y_vect(alpha,x,beta,y,map,info,work,vtx,vty)
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use psb_base_mod, psb_protect_name => psb_s_map_X2Y_vect
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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real(psb_spk_), intent(in) :: alpha,beta
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type(psb_s_vect_type), intent(inout) :: x,y
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integer(psb_ipk_), intent(out) :: info
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real(psb_spk_), optional :: work(:)
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type(psb_s_vect_type), optional, target, intent(inout) :: vtx,vty
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! Local
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type(psb_s_vect_type), target :: xt, yt
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type(psb_s_vect_type),pointer :: ptx, pty
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real(psb_spk_), allocatable :: xta(:), yta(:)
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integer(psb_ipk_) :: i, j, nr1, nc1,nr2, nc2 ,&
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& map_kind, nr, ictxt, iam, np
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character(len=20), parameter :: name='psb_map_X2Yv'
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info = psb_success_
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if (.not.map%is_asb()) then
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write(psb_err_unit,*) trim(name),' Invalid map input: unassembled'
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info = 1
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return
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end if
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map_kind = map%get_kind()
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select case(map_kind)
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case(psb_map_aggr_)
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ictxt = map%p_desc_Y%get_context()
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call psb_info(ictxt,iam,np)
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nr2 = map%p_desc_Y%get_global_rows()
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nc2 = map%p_desc_Y%get_local_cols()
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if (present(vty)) then
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pty => vty
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else
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call psb_geasb(yt,map%p_desc_Y,info,scratch=.true.,mold=x%v)
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pty => yt
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end if
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if (info == psb_success_) call psb_halo(x,map%p_desc_X,info,work=work)
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if (info == psb_success_) call psb_csmm(sone,map%map_X2Y,x,szero,pty,info)
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if ((info == psb_success_) .and. map%p_desc_Y%is_repl().and.(np>1)) then
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yta = pty%get_vect()
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call psb_sum(ictxt,yta(1:nr2))
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call pty%set(yta)
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end if
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if (info == psb_success_) call psb_geaxpby(alpha,pty,beta,y,map%p_desc_Y,info)
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if (info /= psb_success_) then
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write(psb_err_unit,*) trim(name),' Error from inner routines',info
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info = -1
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else
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if (.not.present(vty)) call yt%free(info)
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end if
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case(psb_map_gen_linear_)
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ictxt = map%desc_Y%get_context()
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call psb_info(ictxt,iam,np)
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nr1 = map%desc_X%get_local_rows()
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nc1 = map%desc_X%get_local_cols()
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nr2 = map%desc_Y%get_global_rows()
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nc2 = map%desc_Y%get_local_cols()
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if (present(vtx).and.present(vty)) then
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ptx => vtx
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pty => vty
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else
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call psb_geasb(xt,map%desc_X,info,scratch=.true.,mold=x%v)
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call psb_geasb(yt,map%desc_Y,info,scratch=.true.,mold=x%v)
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ptx => xt
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pty => yt
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end if
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call psb_geaxpby(sone,x,szero,ptx,map%desc_X,info)
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if (info == psb_success_) call psb_halo(ptx,map%desc_X,info,work=work)
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if (info == psb_success_) call psb_csmm(sone,map%map_X2Y,ptx,szero,pty,info)
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if ((info == psb_success_) .and. map%desc_Y%is_repl().and.(np>1)) then
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yta = pty%get_vect()
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call psb_sum(ictxt,yta(1:nr2))
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call pty%set(yta)
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end if
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if (info == psb_success_) call psb_geaxpby(alpha,pty,beta,y,map%desc_Y,info)
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if (info /= psb_success_) then
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write(psb_err_unit,*) trim(name),' Error from inner routines',info
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info = -1
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else
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if (.not.(present(vtx).and.present(vty) )) then
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call xt%free(info)
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call yt%free(info)
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end if
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end if
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case default
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write(psb_err_unit,*) trim(name),' Invalid descriptor input', &
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& map_kind, psb_map_aggr_, psb_map_gen_linear_
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info = 1
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return
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end select
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return
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end subroutine psb_s_map_X2Y_vect
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!
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! Takes a vector x from space map%p_desc_Y and maps it onto
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! map%p_desc_X under map%map_Y2X possibly with communication
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! due to exch_bk_idx
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!
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subroutine psb_s_map_Y2X(alpha,x,beta,y,map,info,work)
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use psb_base_mod, psb_protect_name => psb_s_map_Y2X
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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real(psb_spk_), intent(in) :: alpha,beta
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real(psb_spk_), intent(inout) :: x(:)
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real(psb_spk_), intent(out) :: y(:)
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integer(psb_ipk_), intent(out) :: info
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real(psb_spk_), optional :: work(:)
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!
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real(psb_spk_), allocatable :: xt(:), yt(:)
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integer(psb_ipk_) :: i, j, nr1, nc1,nr2, nc2,&
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& map_kind, nr, ictxt
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character(len=20), parameter :: name='psb_map_Y2X'
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info = psb_success_
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if (.not.map%is_asb()) then
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write(psb_err_unit,*) trim(name),' Invalid map input: unassembled'
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info = 1
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return
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end if
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map_kind = map%get_kind()
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select case(map_kind)
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case(psb_map_aggr_)
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ictxt = map%p_desc_X%get_context()
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nr2 = map%p_desc_X%get_global_rows()
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nc2 = map%p_desc_X%get_local_cols()
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allocate(yt(nc2),stat=info)
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if (info == psb_success_) call psb_halo(x,map%p_desc_Y,info,work=work)
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if (info == psb_success_) call psb_csmm(sone,map%map_Y2X,x,szero,yt,info)
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if ((info == psb_success_) .and. psb_is_repl_desc(map%p_desc_X)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_X,info)
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if (info /= psb_success_) then
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write(psb_err_unit,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case(psb_map_gen_linear_)
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ictxt = map%desc_X%get_context()
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nr1 = map%desc_Y%get_local_rows()
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nc1 = map%desc_Y%get_local_cols()
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nr2 = map%desc_X%get_global_rows()
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nc2 = map%desc_X%get_local_cols()
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allocate(xt(nc1),yt(nc2),stat=info)
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xt(1:nr1) = x(1:nr1)
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if (info == psb_success_) call psb_halo(xt,map%desc_Y,info,work=work)
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if (info == psb_success_) call psb_csmm(sone,map%map_Y2X,xt,szero,yt,info)
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if ((info == psb_success_) .and. psb_is_repl_desc(map%desc_X)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%desc_X,info)
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if (info /= psb_success_) then
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write(psb_err_unit,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case default
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write(psb_err_unit,*) trim(name),' Invalid descriptor input'
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info = 1
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return
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end select
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end subroutine psb_s_map_Y2X
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subroutine psb_s_map_Y2X_vect(alpha,x,beta,y,map,info,work,vtx,vty)
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use psb_base_mod, psb_protect_name => psb_s_map_Y2X_vect
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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real(psb_spk_), intent(in) :: alpha,beta
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type(psb_s_vect_type), intent(inout) :: x,y
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integer(psb_ipk_), intent(out) :: info
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real(psb_spk_), optional :: work(:)
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type(psb_s_vect_type), optional, target, intent(inout) :: vtx,vty
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! Local
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type(psb_s_vect_type), target :: xt, yt
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type(psb_s_vect_type),pointer :: ptx, pty
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real(psb_spk_), allocatable :: xta(:), yta(:)
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integer(psb_ipk_) :: i, j, nr1, nc1,nr2, nc2,&
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& map_kind, nr, ictxt, iam, np
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character(len=20), parameter :: name='psb_map_Y2Xv'
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info = psb_success_
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if (.not.map%is_asb()) then
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write(psb_err_unit,*) trim(name),' Invalid map input: unassembled'
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info = 1
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return
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end if
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map_kind = map%get_kind()
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select case(map_kind)
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case(psb_map_aggr_)
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ictxt = map%p_desc_X%get_context()
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call psb_info(ictxt,iam,np)
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nr2 = map%p_desc_X%get_global_rows()
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nc2 = map%p_desc_X%get_local_cols()
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if (present(vty)) then
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pty => vty
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else
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call psb_geasb(yt,map%p_desc_X,info,scratch=.true.,mold=x%v)
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pty => yt
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end if
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if (info == psb_success_) call psb_halo(x,map%p_desc_Y,info,work=work)
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if (info == psb_success_) call psb_csmm(sone,map%map_Y2X,x,szero,pty,info)
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if ((info == psb_success_) .and. map%p_desc_X%is_repl().and.(np>1)) then
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yta = pty%get_vect()
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call psb_sum(ictxt,yta(1:nr2))
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call pty%set(yta)
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end if
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if (info == psb_success_) call psb_geaxpby(alpha,pty,beta,y,map%p_desc_X,info)
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if (info /= psb_success_) then
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write(psb_err_unit,*) trim(name),' Error from inner routines',info
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info = -1
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else
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if (.not.present(vty)) call yt%free(info)
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end if
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case(psb_map_gen_linear_)
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ictxt = map%desc_X%get_context()
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call psb_info(ictxt,iam,np)
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nr1 = map%desc_Y%get_local_rows()
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nc1 = map%desc_Y%get_local_cols()
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nr2 = map%desc_X%get_global_rows()
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nc2 = map%desc_X%get_local_cols()
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if (present(vtx).and.present(vty)) then
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ptx => vtx
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pty => vty
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else
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call psb_geasb(xt,map%desc_Y,info,scratch=.true.,mold=x%v)
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call psb_geasb(yt,map%desc_X,info,scratch=.true.,mold=x%v)
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ptx => xt
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pty => yt
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end if
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call psb_geaxpby(sone,x,szero,ptx,map%desc_X,info)
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if (info == psb_success_) call psb_halo(ptx,map%desc_Y,info,work=work)
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if (info == psb_success_) call psb_csmm(sone,map%map_Y2X,ptx,szero,pty,info)
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if ((info == psb_success_) .and. map%desc_X%is_repl().and.(np>1)) then
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yta = pty%get_vect()
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call psb_sum(ictxt,yta(1:nr2))
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call pty%set(yta)
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end if
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if (info == psb_success_) call psb_geaxpby(alpha,pty,beta,y,map%desc_X,info)
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if (info /= psb_success_) then
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write(psb_err_unit,*) trim(name),' Error from inner routines',info
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info = -1
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else
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if (.not.(present(vtx).and.present(vty) )) then
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call xt%free(info)
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call yt%free(info)
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end if
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end if
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case default
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write(psb_err_unit,*) trim(name),' Invalid descriptor input'
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info = 1
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return
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end select
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end subroutine psb_s_map_Y2X_vect
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function psb_s_linmap(map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr) &
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& result(this)
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use psb_base_mod, psb_protect_name => psb_s_linmap
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implicit none
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type(psb_slinmap_type) :: this
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type(psb_desc_type), target :: desc_X, desc_Y
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type(psb_sspmat_type), intent(inout) :: map_X2Y, map_Y2X
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integer(psb_ipk_), intent(in) :: map_kind
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integer(psb_ipk_), intent(in), optional :: iaggr(:), naggr(:)
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!
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integer(psb_ipk_) :: info
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character(len=20), parameter :: name='psb_linmap'
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|
|
info = psb_success_
|
|
select case(map_kind)
|
|
case (psb_map_aggr_)
|
|
! OK
|
|
|
|
if (psb_is_ok_desc(desc_X)) then
|
|
this%p_desc_X=>desc_X
|
|
else
|
|
info = psb_err_pivot_too_small_
|
|
endif
|
|
if (psb_is_ok_desc(desc_Y)) then
|
|
this%p_desc_Y=>desc_Y
|
|
else
|
|
info = psb_err_invalid_ovr_num_
|
|
endif
|
|
if (present(iaggr)) then
|
|
if (.not.present(naggr)) then
|
|
info = 7
|
|
else
|
|
allocate(this%iaggr(size(iaggr)),&
|
|
& this%naggr(size(naggr)), stat=info)
|
|
if (info == psb_success_) then
|
|
this%iaggr(:) = iaggr(:)
|
|
this%naggr(:) = naggr(:)
|
|
end if
|
|
end if
|
|
else
|
|
allocate(this%iaggr(0), this%naggr(0), stat=info)
|
|
end if
|
|
|
|
case(psb_map_gen_linear_)
|
|
|
|
if (desc_X%is_ok()) then
|
|
call psb_cdcpy(desc_X, this%desc_X,info)
|
|
else
|
|
info = psb_err_pivot_too_small_
|
|
endif
|
|
if (desc_Y%is_ok()) then
|
|
call psb_cdcpy(desc_Y, this%desc_Y,info)
|
|
else
|
|
info = psb_err_invalid_ovr_num_
|
|
endif
|
|
! For a general linear map ignore iaggr,naggr
|
|
allocate(this%iaggr(0), this%naggr(0), stat=info)
|
|
|
|
case default
|
|
write(psb_err_unit,*) 'Bad map kind into psb_linmap ',map_kind
|
|
info = 1
|
|
end select
|
|
|
|
if (info == psb_success_) call map_X2Y%clone(this%map_X2Y,info)
|
|
if (info == psb_success_) call map_Y2X%clone(this%map_Y2X,info)
|
|
if (info == psb_success_) then
|
|
call this%set_kind(map_kind)
|
|
end if
|
|
if (info /= psb_success_) then
|
|
write(psb_err_unit,*) trim(name),' Invalid descriptor input'
|
|
return
|
|
end if
|
|
|
|
end function psb_s_linmap
|