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473 lines
15 KiB
Fortran
473 lines
15 KiB
Fortran
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!
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!
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! MLD2P4 version 2.2
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! MultiLevel Domain Decomposition Parallel Preconditioners Package
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! based on PSBLAS (Parallel Sparse BLAS version 3.5)
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!
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! (C) Copyright 2008-2018
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!
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! Salvatore Filippone
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! Pasqua D'Ambra
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! Daniela di Serafino
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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 MLD2P4 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 MLD2P4 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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! Current version of this file contributed by:
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! Ambra Abdullahi Hassan
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!
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!
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! File: mld_d_mumps_solver_mod.f90
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!
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! Module: mld_d_mumps_solver_mod
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!
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! This module defines:
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! - the mld_d_mumps_solver_type data structure containing the ingredients
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! to interface with the MUMPS package.
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! 1. The factorization can be either restricted to the diagonal block of the
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! current image or distributed (and thus exact)
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!
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module mld_d_mumps_solver
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use mld_d_base_solver_mod
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#if defined(HAVE_MUMPS_) && defined(HAVE_MUMPS_MODULES_)
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use dmumps_struc_def
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#endif
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#if defined(HAVE_MUMPS_) && defined(HAVE_MUMPS_INCLUDES_)
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include 'dmumps_struc.h'
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#endif
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type :: mld_d_mumps_icntl_item
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integer(psb_ipk_), allocatable :: item
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end type mld_d_mumps_icntl_item
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type :: mld_d_mumps_rcntl_item
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real(psb_dpk_), allocatable :: item
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end type mld_d_mumps_rcntl_item
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type, extends(mld_d_base_solver_type) :: mld_d_mumps_solver_type
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#if defined(HAVE_MUMPS_)
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type(dmumps_struc), allocatable :: id
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#else
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integer, allocatable :: id
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#endif
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type(mld_d_mumps_icntl_item), allocatable :: icntl(:)
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type(mld_d_mumps_rcntl_item), allocatable :: rcntl(:)
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!
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! Controls to be set before MUMPS instantiation:
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!
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! IPAR(1) : MUMPS_LOC_GLOB 0==mld_local_solver_: LOCAL 1==mld_global_solver_: GLOBAL
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! IPAR(2) : MUMPS_PRINT_ERR print verbosity (see MUMPS)
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! IPAR(3) : MUMPS_SYM 0: non-symmetric 2: symmetric
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integer(psb_ipk_), dimension(3) :: ipar
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integer(psb_ipk_), allocatable :: local_ictxt
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logical :: built = .false.
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contains
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procedure, pass(sv) :: build => d_mumps_solver_bld
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procedure, pass(sv) :: apply_a => d_mumps_solver_apply
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procedure, pass(sv) :: apply_v => d_mumps_solver_apply_vect
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procedure, pass(sv) :: free => d_mumps_solver_free
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procedure, pass(sv) :: descr => d_mumps_solver_descr
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procedure, pass(sv) :: sizeof => d_mumps_solver_sizeof
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procedure, pass(sv) :: cseti => d_mumps_solver_cseti
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procedure, pass(sv) :: csetr => d_mumps_solver_csetr
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procedure, pass(sv) :: default => d_mumps_solver_default
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procedure, nopass :: get_fmt => d_mumps_solver_get_fmt
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procedure, nopass :: get_id => d_mumps_solver_get_id
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procedure, pass(sv) :: is_global => d_mumps_solver_is_global
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#if defined(HAVE_FINAL)
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final :: d_mumps_solver_finalize
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#endif
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end type mld_d_mumps_solver_type
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private :: d_mumps_solver_bld, d_mumps_solver_apply, &
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& d_mumps_solver_free, d_mumps_solver_descr, &
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& d_mumps_solver_sizeof, d_mumps_solver_apply_vect,&
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& d_mumps_solver_cseti, d_mumps_solver_csetr, &
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& d_mumps_solver_default, d_mumps_solver_get_fmt, &
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& d_mumps_solver_get_id, d_mumps_solver_is_global
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#if defined(HAVE_FINAL)
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private :: d_mumps_solver_finalize
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#endif
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interface
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subroutine d_mumps_solver_apply_vect(alpha,sv,x,beta,y,desc_data,&
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& trans,work,wv,info,init,initu)
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import :: psb_desc_type, mld_d_mumps_solver_type, psb_d_vect_type, psb_dpk_, psb_spk_, &
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type, psb_ipk_
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implicit none
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type(psb_desc_type), intent(in) :: desc_data
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class(mld_d_mumps_solver_type), intent(inout) :: sv
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type(psb_d_vect_type),intent(inout) :: x
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type(psb_d_vect_type),intent(inout) :: y
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real(psb_dpk_),intent(in) :: alpha,beta
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character(len=1),intent(in) :: trans
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real(psb_dpk_),target, intent(inout) :: work(:)
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type(psb_d_vect_type),intent(inout) :: wv(:)
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integer, intent(out) :: info
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character, intent(in), optional :: init
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type(psb_d_vect_type),intent(inout), optional :: initu
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end subroutine d_mumps_solver_apply_vect
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end interface
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interface
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subroutine d_mumps_solver_apply(alpha,sv,x,beta,y,desc_data,trans,work,info,init,initu)
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import :: psb_desc_type, mld_d_mumps_solver_type, psb_d_vect_type, psb_dpk_, psb_spk_, &
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type, psb_ipk_
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implicit none
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type(psb_desc_type), intent(in) :: desc_data
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class(mld_d_mumps_solver_type), intent(inout) :: sv
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real(psb_dpk_),intent(inout) :: x(:)
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real(psb_dpk_),intent(inout) :: y(:)
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real(psb_dpk_),intent(in) :: alpha,beta
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character(len=1),intent(in) :: trans
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real(psb_dpk_),target, intent(inout) :: work(:)
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integer(psb_ipk_), intent(out) :: info
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character, intent(in), optional :: init
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real(psb_dpk_),intent(inout), optional :: initu(:)
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end subroutine d_mumps_solver_apply
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end interface
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interface
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subroutine d_mumps_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
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import :: psb_desc_type, mld_d_mumps_solver_type, psb_d_vect_type, psb_dpk_, &
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type,&
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& psb_ipk_, psb_i_base_vect_type
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Implicit None
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! Arguments
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type(psb_dspmat_type), intent(in), target :: a
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Type(psb_desc_type), Intent(inout) :: desc_a
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class(mld_d_mumps_solver_type), intent(inout) :: sv
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integer(psb_ipk_), intent(out) :: info
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type(psb_dspmat_type), intent(in), target, optional :: b
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class(psb_d_base_sparse_mat), intent(in), optional :: amold
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class(psb_d_base_vect_type), intent(in), optional :: vmold
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class(psb_i_base_vect_type), intent(in), optional :: imold
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end subroutine d_mumps_solver_bld
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end interface
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contains
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subroutine d_mumps_solver_free(sv,info)
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use psb_base_mod, only : psb_exit
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Implicit None
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! Arguments
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class(mld_d_mumps_solver_type), intent(inout) :: sv
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integer(psb_ipk_), intent(out) :: info
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Integer(psb_ipk_) :: err_act
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character(len=20) :: name='d_mumps_solver_free'
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call psb_erractionsave(err_act)
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#if defined(HAVE_MUMPS_)
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if (allocated(sv%id)) then
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if (sv%built) then
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sv%id%job = -2
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call dmumps(sv%id)
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info = sv%id%infog(1)
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if (info /= psb_success_) goto 9999
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end if
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deallocate(sv%id, sv%icntl, sv%rcntl)
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if (allocated(sv%local_ictxt)) then
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call psb_exit(sv%local_ictxt,close=.false.)
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deallocate(sv%local_ictxt,stat=info)
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end if
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if (allocated(sv%icntl)) deallocate(sv%icntl,stat=info)
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if (allocated(sv%rcntl)) deallocate(sv%rcntl,stat=info)
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sv%built=.false.
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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_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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#endif
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end subroutine d_mumps_solver_free
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#if defined(HAVE_FINAL)
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subroutine d_mumps_solver_finalize(sv)
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Implicit None
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! Arguments
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type(mld_d_mumps_solver_type), intent(inout) :: sv
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integer :: info
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Integer :: err_act
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character(len=20) :: name='d_mumps_solver_finalize'
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call sv%free(info)
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return
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end subroutine d_mumps_solver_finalize
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#endif
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subroutine d_mumps_solver_descr(sv,info,iout,coarse)
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Implicit None
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! Arguments
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class(mld_d_mumps_solver_type), intent(in) :: sv
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), intent(in), optional :: iout
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logical, intent(in), optional :: coarse
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! Local variables
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integer(psb_ipk_) :: err_act
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integer(psb_ipk_) :: ictxt, me, np
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character(len=20), parameter :: name='mld_z_mumps_solver_descr'
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integer(psb_ipk_) :: iout_
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call psb_erractionsave(err_act)
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info = psb_success_
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if (present(iout)) then
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iout_ = iout
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else
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iout_ = psb_out_unit
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endif
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write(iout_,*) ' MUMPS Solver. '
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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_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine d_mumps_solver_descr
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! WARNING: OTHER PARAMETERS OF MUMPS COULD BE ADDED. !!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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subroutine d_mumps_solver_cseti(sv,what,val,info,idx)
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Implicit None
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! Arguments
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class(mld_d_mumps_solver_type), intent(inout) :: sv
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character(len=*), intent(in) :: what
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integer(psb_ipk_), intent(in) :: val
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), intent(in), optional :: idx
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integer(psb_ipk_) :: err_act
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character(len=20) :: name='d_mumps_solver_cseti'
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info = psb_success_
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call psb_erractionsave(err_act)
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select case(psb_toupper(what))
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#if defined(HAVE_MUMPS_)
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case('MUMPS_LOC_GLOB')
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sv%ipar(1) = val
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case('MUMPS_PRINT_ERR')
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sv%ipar(2) = val
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case('MUMPS_SYM')
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sv%ipar(3) = val
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case('MUMPS_IPAR_ENTRY')
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if(present(idx)) then
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! Note: this will allocate %item
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sv%icntl(idx)%item = val
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end if
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#endif
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case default
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call sv%mld_d_base_solver_type%set(what,val,info,idx=idx)
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end select
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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_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine d_mumps_solver_cseti
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subroutine d_mumps_solver_csetr(sv,what,val,info,idx)
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Implicit None
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! Arguments
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class(mld_d_mumps_solver_type), intent(inout) :: sv
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character(len=*), intent(in) :: what
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real(psb_dpk_), intent(in) :: val
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), intent(in), optional :: idx
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integer(psb_ipk_) :: err_act
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character(len=20) :: name='d_mumps_solver_csetr'
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info = psb_success_
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call psb_erractionsave(err_act)
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select case(psb_toupper(what))
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#if defined(HAVE_MUMPS_)
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case('MUMPS_RPAR_ENTRY')
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if(present(idx)) then
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! Note: this will allocate %item
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sv%rcntl(idx)%item = val
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end if
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#endif
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case default
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call sv%mld_d_base_solver_type%set(what,val,info,idx=idx)
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end select
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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_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine d_mumps_solver_csetr
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!!NOTE: BY DEFAULT BLR is activated with a dropping parameter to 1d-4 !!
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subroutine d_mumps_solver_default(sv)
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Implicit none
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!Argument
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class(mld_d_mumps_solver_type),intent(inout) :: sv
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integer(psb_ipk_) :: info
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integer(psb_ipk_) :: err_act,ictx,icomm
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character(len=20) :: name='d_mumps_default'
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info = psb_success_
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call psb_erractionsave(err_act)
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#if defined(HAVE_MUMPS_)
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if (.not.allocated(sv%id)) then
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allocate(sv%id,stat=info)
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if (info /= psb_success_) then
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info=psb_err_alloc_dealloc_
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call psb_errpush(info,name,a_err='mld_dmumps_default')
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goto 9999
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end if
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sv%built=.false.
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end if
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if (.not.allocated(sv%icntl)) then
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allocate(sv%icntl(mld_mumps_icntl_size),stat=info)
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if (info /= psb_success_) then
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info=psb_err_alloc_dealloc_
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call psb_errpush(info,name,a_err='mld_dmumps_default')
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goto 9999
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end if
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end if
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if (.not.allocated(sv%rcntl)) then
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allocate(sv%rcntl(mld_mumps_rcntl_size),stat=info)
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if (info /= psb_success_) then
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info=psb_err_alloc_dealloc_
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call psb_errpush(info,name,a_err='mld_dmumps_default')
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goto 9999
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end if
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end if
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! INSTANTIATION OF sv%id needed to set parmater but mpi communicator needed
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! sv%id%job = -1
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! sv%id%par=1
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! call dmumps(sv%id)
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sv%ipar = 0
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sv%ipar(1) = mld_global_solver_
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!sv%ipar(10)=6
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!sv%ipar(11)=0
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!sv%ipar(12)=6
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#endif
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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_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine d_mumps_solver_default
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function d_mumps_solver_sizeof(sv) result(val)
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implicit none
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! Arguments
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class(mld_d_mumps_solver_type), intent(in) :: sv
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integer(psb_epk_) :: val
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integer :: i
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#if defined(HAVE_MUMPS_)
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val = (sv%id%INFOG(22)+sv%id%INFOG(32))*1d+6
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#else
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val = 0
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#endif
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! val = 2*psb_sizeof_ip + psb_sizeof_dp
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! val = val + sv%symbsize
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! val = val + sv%numsize
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return
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end function d_mumps_solver_sizeof
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function d_mumps_solver_get_fmt() result(val)
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implicit none
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character(len=32) :: val
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val = "MUMPS solver"
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end function d_mumps_solver_get_fmt
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function d_mumps_solver_get_id() result(val)
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implicit none
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integer(psb_ipk_) :: val
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val = mld_mumps_
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end function d_mumps_solver_get_id
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function d_mumps_solver_is_global(sv) result(val)
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implicit none
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class(mld_d_mumps_solver_type), intent(in) :: sv
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logical :: val
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val = (sv%ipar(1) == mld_global_solver_ )
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end function d_mumps_solver_is_global
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end module mld_d_mumps_solver
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