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.
351 lines
15 KiB
Fortran
351 lines
15 KiB
Fortran
!!$
|
|
!!$ Parallel Sparse BLAS version 3.0
|
|
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012
|
|
!!$ Salvatore Filippone University of Rome Tor Vergata
|
|
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
|
!!$
|
|
!!$ 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.
|
|
!!$
|
|
!!$
|
|
module psb_mat_dist_mod
|
|
use psb_base_mod, only : psb_ipk_, psb_spk_, psb_dpk_, psb_desc_type, psb_parts, &
|
|
& psb_sspmat_type, psb_cspmat_type, psb_dspmat_type, psb_zspmat_type, &
|
|
& psb_s_base_sparse_mat, psb_c_base_sparse_mat, &
|
|
& psb_d_base_sparse_mat, psb_z_base_sparse_mat, &
|
|
& psb_s_vect_type, psb_d_vect_type, psb_c_vect_type, psb_z_vect_type
|
|
|
|
interface psb_matdist
|
|
subroutine smatdist(a_glob, a, ictxt, desc_a,&
|
|
& b_glob, b, info, parts, v, inroot,fmt,mold)
|
|
!
|
|
! an utility subroutine to distribute a matrix among processors
|
|
! according to a user defined data distribution, using
|
|
! sparse matrix subroutines.
|
|
!
|
|
! type(d_spmat) :: a_glob
|
|
! on entry: this contains the global sparse matrix as follows:
|
|
! a%fida == 'csr'
|
|
! a%aspk for coefficient values
|
|
! a%ia1 for column indices
|
|
! a%ia2 for row pointers
|
|
! a%m for number of global matrix rows
|
|
! a%k for number of global matrix columns
|
|
! on exit : undefined, with unassociated pointers.
|
|
!
|
|
! type(d_spmat) :: a
|
|
! on entry: fresh variable.
|
|
! on exit : this will contain the local sparse matrix.
|
|
!
|
|
! interface parts
|
|
! ! .....user passed subroutine.....
|
|
! subroutine parts(global_indx,n,np,pv,nv)
|
|
! implicit none
|
|
! integer(psb_ipk_), intent(in) :: global_indx, n, np
|
|
! integer(psb_ipk_), intent(out) :: nv
|
|
! integer(psb_ipk_), intent(out) :: pv(*)
|
|
!
|
|
! end subroutine parts
|
|
! end interface
|
|
! on entry: subroutine providing user defined data distribution.
|
|
! for each global_indx the subroutine should return
|
|
! the list pv of all processes owning the row with
|
|
! that index; the list will contain nv entries.
|
|
! usually nv=1; if nv >1 then we have an overlap in the data
|
|
! distribution.
|
|
!
|
|
! integer(psb_ipk_) :: ictxt
|
|
! on entry: blacs context.
|
|
! on exit : unchanged.
|
|
!
|
|
! type (desc_type) :: desc_a
|
|
! on entry: fresh variable.
|
|
! on exit : the updated array descriptor
|
|
!
|
|
! real(psb_dpk_), optional :: b_glob(:)
|
|
! on entry: this contains right hand side.
|
|
! on exit :
|
|
!
|
|
! real(psb_dpk_), allocatable, optional :: b(:)
|
|
! on entry: fresh variable.
|
|
! on exit : this will contain the local right hand side.
|
|
!
|
|
! integer(psb_ipk_), optional :: inroot
|
|
! on entry: specifies processor holding a_glob. default: 0
|
|
! on exit : unchanged.
|
|
!
|
|
import :: psb_ipk_, psb_sspmat_type, psb_desc_type, psb_spk_,&
|
|
& psb_s_base_sparse_mat, psb_s_vect_type, psb_parts
|
|
implicit none
|
|
|
|
! parameters
|
|
type(psb_sspmat_type) :: a_glob
|
|
real(psb_spk_) :: b_glob(:)
|
|
integer(psb_ipk_) :: ictxt
|
|
type(psb_sspmat_type) :: a
|
|
type(psb_s_vect_type) :: b
|
|
type(psb_desc_type) :: desc_a
|
|
integer(psb_ipk_), intent(out) :: info
|
|
integer(psb_ipk_), optional :: inroot
|
|
character(len=*), optional :: fmt
|
|
class(psb_s_base_sparse_mat), optional :: mold
|
|
procedure(psb_parts), optional :: parts
|
|
integer(psb_ipk_), optional :: v(:)
|
|
|
|
end subroutine smatdist
|
|
subroutine dmatdist(a_glob, a, ictxt, desc_a,&
|
|
& b_glob, b, info, parts, v, inroot,fmt,mold)
|
|
!
|
|
! an utility subroutine to distribute a matrix among processors
|
|
! according to a user defined data distribution, using
|
|
! sparse matrix subroutines.
|
|
!
|
|
! type(d_spmat) :: a_glob
|
|
! on entry: this contains the global sparse matrix as follows:
|
|
! a%fida == 'csr'
|
|
! a%aspk for coefficient values
|
|
! a%ia1 for column indices
|
|
! a%ia2 for row pointers
|
|
! a%m for number of global matrix rows
|
|
! a%k for number of global matrix columns
|
|
! on exit : undefined, with unassociated pointers.
|
|
!
|
|
! type(d_spmat) :: a
|
|
! on entry: fresh variable.
|
|
! on exit : this will contain the local sparse matrix.
|
|
!
|
|
! interface parts
|
|
! ! .....user passed subroutine.....
|
|
! subroutine parts(global_indx,n,np,pv,nv)
|
|
! implicit none
|
|
! integer(psb_ipk_), intent(in) :: global_indx, n, np
|
|
! integer(psb_ipk_), intent(out) :: nv
|
|
! integer(psb_ipk_), intent(out) :: pv(*)
|
|
!
|
|
! end subroutine parts
|
|
! end interface
|
|
! on entry: subroutine providing user defined data distribution.
|
|
! for each global_indx the subroutine should return
|
|
! the list pv of all processes owning the row with
|
|
! that index; the list will contain nv entries.
|
|
! usually nv=1; if nv >1 then we have an overlap in the data
|
|
! distribution.
|
|
!
|
|
! integer(psb_ipk_) :: ictxt
|
|
! on entry: blacs context.
|
|
! on exit : unchanged.
|
|
!
|
|
! type (desc_type) :: desc_a
|
|
! on entry: fresh variable.
|
|
! on exit : the updated array descriptor
|
|
!
|
|
! real(psb_dpk_), optional :: b_glob(:)
|
|
! on entry: this contains right hand side.
|
|
! on exit :
|
|
!
|
|
! real(psb_dpk_), allocatable, optional :: b(:)
|
|
! on entry: fresh variable.
|
|
! on exit : this will contain the local right hand side.
|
|
!
|
|
! integer(psb_ipk_), optional :: inroot
|
|
! on entry: specifies processor holding a_glob. default: 0
|
|
! on exit : unchanged.
|
|
!
|
|
import :: psb_ipk_, psb_dspmat_type, psb_dpk_, psb_desc_type,&
|
|
& psb_d_base_sparse_mat, psb_d_vect_type, psb_parts
|
|
implicit none
|
|
|
|
! parameters
|
|
type(psb_dspmat_type) :: a_glob
|
|
real(psb_dpk_) :: b_glob(:)
|
|
integer(psb_ipk_) :: ictxt
|
|
type(psb_dspmat_type) :: a
|
|
type(psb_d_vect_type) :: b
|
|
type(psb_desc_type) :: desc_a
|
|
integer(psb_ipk_), intent(out) :: info
|
|
integer(psb_ipk_), optional :: inroot
|
|
character(len=*), optional :: fmt
|
|
class(psb_d_base_sparse_mat), optional :: mold
|
|
procedure(psb_parts), optional :: parts
|
|
integer(psb_ipk_), optional :: v(:)
|
|
|
|
end subroutine dmatdist
|
|
|
|
subroutine cmatdist(a_glob, a, ictxt, desc_a,&
|
|
& b_glob, b, info, parts, v, inroot,fmt,mold)
|
|
!
|
|
! an utility subroutine to distribute a matrix among processors
|
|
! according to a user defined data distribution, using
|
|
! sparse matrix subroutines.
|
|
!
|
|
! type(d_spmat) :: a_glob
|
|
! on entry: this contains the global sparse matrix as follows:
|
|
! a%fida == 'csr'
|
|
! a%aspk for coefficient values
|
|
! a%ia1 for column indices
|
|
! a%ia2 for row pointers
|
|
! a%m for number of global matrix rows
|
|
! a%k for number of global matrix columns
|
|
! on exit : undefined, with unassociated pointers.
|
|
!
|
|
! type(d_spmat) :: a
|
|
! on entry: fresh variable.
|
|
! on exit : this will contain the local sparse matrix.
|
|
!
|
|
! interface parts
|
|
! ! .....user passed subroutine.....
|
|
! subroutine parts(global_indx,n,np,pv,nv)
|
|
! implicit none
|
|
! integer(psb_ipk_), intent(in) :: global_indx, n, np
|
|
! integer(psb_ipk_), intent(out) :: nv
|
|
! integer(psb_ipk_), intent(out) :: pv(*)
|
|
!
|
|
! end subroutine parts
|
|
! end interface
|
|
! on entry: subroutine providing user defined data distribution.
|
|
! for each global_indx the subroutine should return
|
|
! the list pv of all processes owning the row with
|
|
! that index; the list will contain nv entries.
|
|
! usually nv=1; if nv >1 then we have an overlap in the data
|
|
! distribution.
|
|
!
|
|
! integer(psb_ipk_) :: ictxt
|
|
! on entry: blacs context.
|
|
! on exit : unchanged.
|
|
!
|
|
! type (desc_type) :: desc_a
|
|
! on entry: fresh variable.
|
|
! on exit : the updated array descriptor
|
|
!
|
|
! real(psb_dpk_), optional :: b_glob(:)
|
|
! on entry: this contains right hand side.
|
|
! on exit :
|
|
!
|
|
! real(psb_dpk_), allocatable, optional :: b(:)
|
|
! on entry: fresh variable.
|
|
! on exit : this will contain the local right hand side.
|
|
!
|
|
! integer(psb_ipk_), optional :: inroot
|
|
! on entry: specifies processor holding a_glob. default: 0
|
|
! on exit : unchanged.
|
|
!
|
|
import :: psb_ipk_, psb_cspmat_type, psb_spk_, psb_desc_type,&
|
|
& psb_c_base_sparse_mat, psb_c_vect_type, psb_parts
|
|
implicit none
|
|
|
|
! parameters
|
|
type(psb_cspmat_type) :: a_glob
|
|
complex(psb_spk_) :: b_glob(:)
|
|
integer(psb_ipk_) :: ictxt
|
|
type(psb_cspmat_type) :: a
|
|
type(psb_c_vect_type) :: b
|
|
type(psb_desc_type) :: desc_a
|
|
integer(psb_ipk_), intent(out) :: info
|
|
integer(psb_ipk_), optional :: inroot
|
|
character(len=*), optional :: fmt
|
|
class(psb_c_base_sparse_mat), optional :: mold
|
|
procedure(psb_parts), optional :: parts
|
|
integer(psb_ipk_), optional :: v(:)
|
|
end subroutine cmatdist
|
|
|
|
subroutine zmatdist(a_glob, a, ictxt, desc_a,&
|
|
& b_glob, b, info, parts, v, inroot,fmt,mold)
|
|
!
|
|
! an utility subroutine to distribute a matrix among processors
|
|
! according to a user defined data distribution, using
|
|
! sparse matrix subroutines.
|
|
!
|
|
! type(d_spmat) :: a_glob
|
|
! on entry: this contains the global sparse matrix as follows:
|
|
! a%fida == 'csr'
|
|
! a%aspk for coefficient values
|
|
! a%ia1 for column indices
|
|
! a%ia2 for row pointers
|
|
! a%m for number of global matrix rows
|
|
! a%k for number of global matrix columns
|
|
! on exit : undefined, with unassociated pointers.
|
|
!
|
|
! type(d_spmat) :: a
|
|
! on entry: fresh variable.
|
|
! on exit : this will contain the local sparse matrix.
|
|
!
|
|
! interface parts
|
|
! ! .....user passed subroutine.....
|
|
! subroutine parts(global_indx,n,np,pv,nv)
|
|
! implicit none
|
|
! integer(psb_ipk_), intent(in) :: global_indx, n, np
|
|
! integer(psb_ipk_), intent(out) :: nv
|
|
! integer(psb_ipk_), intent(out) :: pv(*)
|
|
!
|
|
! end subroutine parts
|
|
! end interface
|
|
! on entry: subroutine providing user defined data distribution.
|
|
! for each global_indx the subroutine should return
|
|
! the list pv of all processes owning the row with
|
|
! that index; the list will contain nv entries.
|
|
! usually nv=1; if nv >1 then we have an overlap in the data
|
|
! distribution.
|
|
!
|
|
! integer(psb_ipk_) :: ictxt
|
|
! on entry: blacs context.
|
|
! on exit : unchanged.
|
|
!
|
|
! type (desc_type) :: desc_a
|
|
! on entry: fresh variable.
|
|
! on exit : the updated array descriptor
|
|
!
|
|
! real(psb_dpk_), optional :: b_glob(:)
|
|
! on entry: this contains right hand side.
|
|
! on exit :
|
|
!
|
|
! real(psb_dpk_), allocatable, optional :: b(:)
|
|
! on entry: fresh variable.
|
|
! on exit : this will contain the local right hand side.
|
|
!
|
|
! integer(psb_ipk_), optional :: inroot
|
|
! on entry: specifies processor holding a_glob. default: 0
|
|
! on exit : unchanged.
|
|
!
|
|
import :: psb_ipk_, psb_zspmat_type, psb_dpk_, psb_desc_type,&
|
|
& psb_z_base_sparse_mat, psb_z_vect_type, psb_parts
|
|
implicit none
|
|
|
|
! parameters
|
|
type(psb_zspmat_type) :: a_glob
|
|
complex(psb_dpk_) :: b_glob(:)
|
|
integer(psb_ipk_) :: ictxt
|
|
type(psb_zspmat_type) :: a
|
|
type(psb_z_vect_type) :: b
|
|
type(psb_desc_type) :: desc_a
|
|
integer(psb_ipk_), intent(out) :: info
|
|
integer(psb_ipk_), optional :: inroot
|
|
character(len=*), optional :: fmt
|
|
class(psb_z_base_sparse_mat), optional :: mold
|
|
procedure(psb_parts), optional :: parts
|
|
integer(psb_ipk_), optional :: v(:)
|
|
end subroutine zmatdist
|
|
end interface
|
|
|
|
end module psb_mat_dist_mod
|