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psblas3/base/tools/psb_d_map.f90

486 lines
16 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.
!
!
!
!
!
!
! Takes a vector x from space map%p_desc_U and maps it onto
! map%p_desc_V under map%mat_U2V possibly with communication
! due to exch_fw_idx
!
subroutine psb_d_map_U2V_a(alpha,x,beta,y,map,info,work)
use psb_base_mod, psb_protect_name => psb_d_map_U2V_a
implicit none
class(psb_dlinmap_type), intent(in) :: map
real(psb_dpk_), intent(in) :: alpha,beta
real(psb_dpk_), intent(inout) :: x(:)
real(psb_dpk_), intent(out) :: y(:)
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_), optional :: work(:)
!
real(psb_dpk_), allocatable :: xt(:), yt(:)
integer(psb_ipk_) :: i, j, nr1, nc1,nr2, nc2,&
& map_kind, nr
type(psb_ctxt_type) :: ictxt
character(len=20), parameter :: name='psb_map_U2V'
info = psb_success_
if (.not.map%is_asb()) then
write(psb_err_unit,*) trim(name),' Invalid map input: unassembled'
info = 1
return
end if
map_kind = map%get_kind()
select case(map_kind)
case(psb_map_aggr_)
ictxt = map%p_desc_V%get_context()
nr2 = map%p_desc_V%get_global_rows()
nc2 = map%p_desc_V%get_local_cols()
allocate(yt(nc2),stat=info)
if (info == psb_success_) call psb_halo(x,map%p_desc_U,info,work=work)
if (info == psb_success_) call psb_csmm(done,map%mat_U2V,x,dzero,yt,info)
if ((info == psb_success_) .and. psb_is_repl_desc(map%p_desc_V)) then
call psb_sum(ictxt,yt(1:nr2))
end if
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_V,info)
if (info /= psb_success_) then
write(psb_err_unit,*) trim(name),' Error from inner routines',info
info = -1
end if
case(psb_map_gen_linear_)
ictxt = map%desc_V%get_context()
nr1 = map%desc_U%get_local_rows()
nc1 = map%desc_U%get_local_cols()
nr2 = map%desc_V%get_global_rows()
nc2 = map%desc_V%get_local_cols()
allocate(xt(nc1),yt(nc2),stat=info)
xt(1:nr1) = x(1:nr1)
if (info == psb_success_) call psb_halo(xt,map%desc_U,info,work=work)
if (info == psb_success_) call psb_csmm(done,map%mat_U2V,xt,dzero,yt,info)
if ((info == psb_success_) .and. psb_is_repl_desc(map%desc_V)) then
call psb_sum(ictxt,yt(1:nr2))
end if
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%desc_V,info)
if (info /= psb_success_) then
write(psb_err_unit,*) trim(name),' Error from inner routines',info
info = -1
end if
case default
write(psb_err_unit,*) trim(name),' Invalid descriptor input', &
& map_kind, psb_map_aggr_, psb_map_gen_linear_
info = 1
return
end select
end subroutine psb_d_map_U2V_a
subroutine psb_d_map_U2V_v(alpha,x,beta,y,map,info,work,vtx,vty)
use psb_base_mod, psb_protect_name => psb_d_map_U2V_v
implicit none
class(psb_dlinmap_type), intent(in) :: map
real(psb_dpk_), intent(in) :: alpha,beta
type(psb_d_vect_type), intent(inout) :: x,y
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_), optional :: work(:)
type(psb_d_vect_type), optional, target, intent(inout) :: vtx,vty
! Local
type(psb_d_vect_type), target :: xt, yt
type(psb_d_vect_type),pointer :: ptx, pty
real(psb_dpk_), allocatable :: xta(:), yta(:)
integer(psb_ipk_) :: i, j, nr1, nc1,nr2, nc2 ,&
& map_kind, nr, iam, np
type(psb_ctxt_type) :: ictxt
character(len=20), parameter :: name='psb_map_U2V_v'
info = psb_success_
if (.not.map%is_asb()) then
write(psb_err_unit,*) trim(name),' Invalid map input: unassembled'
info = 1
return
end if
map_kind = map%get_kind()
select case(map_kind)
case(psb_map_aggr_)
ictxt = map%p_desc_V%get_context()
call psb_info(ictxt,iam,np)
nr2 = map%p_desc_V%get_global_rows()
nc2 = map%p_desc_V%get_local_cols()
if (present(vty)) then
pty => vty
else
call psb_geasb(yt,map%p_desc_V,info,scratch=.true.,mold=x%v)
pty => yt
end if
if (info == psb_success_) call psb_halo(x,map%p_desc_U,info,work=work)
if (info == psb_success_) call psb_csmm(done,map%mat_U2V,x,dzero,pty,info)
if ((info == psb_success_) .and. map%p_desc_V%is_repl().and.(np>1)) then
yta = pty%get_vect()
call psb_sum(ictxt,yta(1:nr2))
call pty%set(yta)
end if
if (info == psb_success_) call psb_geaxpby(alpha,pty,beta,y,map%p_desc_V,info)
if (info /= psb_success_) then
write(psb_err_unit,*) iam,' ',trim(name),' Error from inner routines',info
info = -1
else
if (.not.present(vty)) call yt%free(info)
end if
case(psb_map_gen_linear_)
ictxt = map%desc_V%get_context()
call psb_info(ictxt,iam,np)
nr1 = map%desc_U%get_local_rows()
nc1 = map%desc_U%get_local_cols()
nr2 = map%desc_V%get_global_rows()
nc2 = map%desc_V%get_local_cols()
if (present(vtx).and.present(vty)) then
ptx => vtx
pty => vty
else
call psb_geasb(xt,map%desc_U,info,scratch=.true.,mold=x%v)
call psb_geasb(yt,map%desc_V,info,scratch=.true.,mold=x%v)
ptx => xt
pty => yt
end if
call psb_geaxpby(done,x,dzero,ptx,map%desc_U,info)
if (info == psb_success_) call psb_halo(ptx,map%desc_U,info,work=work)
if (info == psb_success_) call psb_csmm(done,map%mat_U2V,ptx,dzero,pty,info)
if ((info == psb_success_) .and. map%desc_V%is_repl().and.(np>1)) then
yta = pty%get_vect()
call psb_sum(ictxt,yta(1:nr2))
call pty%set(yta)
end if
if (info == psb_success_) call psb_geaxpby(alpha,pty,beta,y,map%desc_V,info)
if (info /= psb_success_) then
write(psb_err_unit,*) iam,' ',trim(name),' Error from inner routines',info
info = -1
else
if (.not.(present(vtx).and.present(vty) )) then
call xt%free(info)
call yt%free(info)
end if
end if
case default
write(psb_err_unit,*) trim(name),' Invalid descriptor input', &
& map_kind, psb_map_aggr_, psb_map_gen_linear_
info = 1
return
end select
return
end subroutine psb_d_map_U2V_v
!
! Takes a vector x from space map%p_desc_V and maps it onto
! map%p_desc_U under map%mat_V2U possibly with communication
! due to exch_bk_idx
!
subroutine psb_d_map_V2U_a(alpha,x,beta,y,map,info,work)
use psb_base_mod, psb_protect_name => psb_d_map_V2U_a
implicit none
class(psb_dlinmap_type), intent(in) :: map
real(psb_dpk_), intent(in) :: alpha,beta
real(psb_dpk_), intent(inout) :: x(:)
real(psb_dpk_), intent(out) :: y(:)
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_), optional :: work(:)
!
real(psb_dpk_), allocatable :: xt(:), yt(:)
integer(psb_ipk_) :: i, j, nr1, nc1,nr2, nc2,&
& map_kind, nr
type(psb_ctxt_type) :: ictxt
character(len=20), parameter :: name='psb_map_V2U'
info = psb_success_
if (.not.map%is_asb()) then
write(psb_err_unit,*) trim(name),' Invalid map input: unassembled'
info = 1
return
end if
map_kind = map%get_kind()
select case(map_kind)
case(psb_map_aggr_)
ictxt = map%p_desc_U%get_context()
nr2 = map%p_desc_U%get_global_rows()
nc2 = map%p_desc_U%get_local_cols()
allocate(yt(nc2),stat=info)
if (info == psb_success_) call psb_halo(x,map%p_desc_V,info,work=work)
if (info == psb_success_) call psb_csmm(done,map%mat_V2U,x,dzero,yt,info)
if ((info == psb_success_) .and. psb_is_repl_desc(map%p_desc_U)) then
call psb_sum(ictxt,yt(1:nr2))
end if
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_U,info)
if (info /= psb_success_) then
write(psb_err_unit,*) trim(name),' Error from inner routines',info
info = -1
end if
case(psb_map_gen_linear_)
ictxt = map%desc_U%get_context()
nr1 = map%desc_V%get_local_rows()
nc1 = map%desc_V%get_local_cols()
nr2 = map%desc_U%get_global_rows()
nc2 = map%desc_U%get_local_cols()
allocate(xt(nc1),yt(nc2),stat=info)
xt(1:nr1) = x(1:nr1)
if (info == psb_success_) call psb_halo(xt,map%desc_V,info,work=work)
if (info == psb_success_) call psb_csmm(done,map%mat_V2U,xt,dzero,yt,info)
if ((info == psb_success_) .and. psb_is_repl_desc(map%desc_U)) then
call psb_sum(ictxt,yt(1:nr2))
end if
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%desc_U,info)
if (info /= psb_success_) then
write(psb_err_unit,*) trim(name),' Error from inner routines',info
info = -1
end if
case default
write(psb_err_unit,*) trim(name),' Invalid descriptor input'
info = 1
return
end select
end subroutine psb_d_map_V2U_a
subroutine psb_d_map_V2U_v(alpha,x,beta,y,map,info,work,vtx,vty)
use psb_base_mod, psb_protect_name => psb_d_map_V2U_v
implicit none
class(psb_dlinmap_type), intent(in) :: map
real(psb_dpk_), intent(in) :: alpha,beta
type(psb_d_vect_type), intent(inout) :: x,y
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_), optional :: work(:)
type(psb_d_vect_type), optional, target, intent(inout) :: vtx,vty
! Local
type(psb_d_vect_type), target :: xt, yt
type(psb_d_vect_type),pointer :: ptx, pty
real(psb_dpk_), allocatable :: xta(:), yta(:)
integer(psb_ipk_) :: i, j, nr1, nc1,nr2, nc2,&
& map_kind, nr, iam, np
type(psb_ctxt_type) :: ictxt
character(len=20), parameter :: name='psb_map_V2U_v'
info = psb_success_
if (.not.map%is_asb()) then
write(psb_err_unit,*) trim(name),' Invalid map input: unassembled'
info = 1
return
end if
map_kind = map%get_kind()
select case(map_kind)
case(psb_map_aggr_)
ictxt = map%p_desc_U%get_context()
call psb_info(ictxt,iam,np)
nr2 = map%p_desc_U%get_global_rows()
nc2 = map%p_desc_U%get_local_cols()
if (present(vty)) then
pty => vty
else
call psb_geasb(yt,map%p_desc_U,info,scratch=.true.,mold=x%v)
pty => yt
end if
if (info == psb_success_) call psb_halo(x,map%p_desc_V,info,work=work)
if (info == psb_success_) call psb_csmm(done,map%mat_V2U,x,dzero,pty,info)
if ((info == psb_success_) .and. map%p_desc_U%is_repl().and.(np>1)) then
yta = pty%get_vect()
call psb_sum(ictxt,yta(1:nr2))
call pty%set(yta)
end if
if (info == psb_success_) call psb_geaxpby(alpha,pty,beta,y,map%p_desc_U,info)
if (info /= psb_success_) then
write(psb_err_unit,*) trim(name),' Error from inner routines',info
info = -1
else
if (.not.present(vty)) call yt%free(info)
end if
case(psb_map_gen_linear_)
ictxt = map%desc_U%get_context()
call psb_info(ictxt,iam,np)
nr1 = map%desc_V%get_local_rows()
nc1 = map%desc_V%get_local_cols()
nr2 = map%desc_U%get_global_rows()
nc2 = map%desc_U%get_local_cols()
if (present(vtx).and.present(vty)) then
ptx => vtx
pty => vty
else
call psb_geasb(xt,map%desc_V,info,scratch=.true.,mold=x%v)
call psb_geasb(yt,map%desc_U,info,scratch=.true.,mold=x%v)
ptx => xt
pty => yt
end if
call psb_geaxpby(done,x,dzero,ptx,map%desc_V,info)
if (info == psb_success_) call psb_halo(ptx,map%desc_V,info,work=work)
if (info == psb_success_) call psb_csmm(done,map%mat_V2U,ptx,dzero,pty,info)
if ((info == psb_success_) .and. map%desc_U%is_repl().and.(np>1)) then
yta = pty%get_vect()
call psb_sum(ictxt,yta(1:nr2))
call pty%set(yta)
end if
if (info == psb_success_) call psb_geaxpby(alpha,pty,beta,y,map%desc_U,info)
if (info /= psb_success_) then
write(psb_err_unit,*) trim(name),' Error from inner routines',info
info = -1
else
if (.not.(present(vtx).and.present(vty) )) then
call xt%free(info)
call yt%free(info)
end if
end if
case default
write(psb_err_unit,*) trim(name),' Invalid descriptor input'
info = 1
return
end select
end subroutine psb_d_map_V2U_v
function psb_d_linmap(map_kind,desc_U, desc_V, mat_U2V, mat_V2U,iaggr,naggr) &
& result(this)
use psb_base_mod, psb_protect_name => psb_d_linmap
implicit none
type(psb_dlinmap_type) :: this
type(psb_desc_type), target :: desc_U, desc_V
type(psb_dspmat_type), intent(inout) :: mat_U2V, mat_V2U
integer(psb_ipk_), intent(in) :: map_kind
integer(psb_lpk_), intent(in), optional :: iaggr(:), naggr(:)
!
integer(psb_ipk_) :: info
character(len=20), parameter :: name='psb_linmap'
info = psb_success_
select case(map_kind)
case (psb_map_aggr_)
! OK
if (psb_is_ok_desc(desc_U)) then
this%p_desc_U=>desc_U
else
info = psb_err_invalid_cd_state_
endif
if (psb_is_ok_desc(desc_V)) then
this%p_desc_V=>desc_V
else
info = psb_err_invalid_cd_state_
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_U%is_ok()) then
call desc_U%clone(this%desc_U,info)
else
info = psb_err_invalid_cd_state_
endif
if (desc_V%is_ok()) then
call desc_V%clone(this%desc_V,info)
else
info = psb_err_invalid_cd_state_
endif
! If iaggr/naggr are present, copy them anyway.
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 default
write(psb_err_unit,*) 'Bad map kind into psb_linmap ',map_kind
info = 1
end select
if (info == psb_success_) call mat_U2V%clone(this%mat_U2V,info)
if (info == psb_success_) call mat_V2U%clone(this%mat_V2U,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_d_linmap