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sparse_solver_mumps.hh
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rAKA akantu
sparse_solver_mumps.hh
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/**
* @file sparse_solver_mumps.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Sun Dec 03 2017
*
* @brief Solver class implementation for the mumps solver
*
*
* Copyright (©) 2010-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "sparse_solver.hh"
/* -------------------------------------------------------------------------- */
#include <dmumps_c.h>
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_SOLVER_MUMPS_HH_
#define AKANTU_SOLVER_MUMPS_HH_
namespace
akantu
{
class
DOFManagerDefault
;
class
SparseMatrixAIJ
;
}
// namespace akantu
namespace
akantu
{
class
SparseSolverMumps
:
public
SparseSolver
{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public
:
SparseSolverMumps
(
DOFManagerDefault
&
dof_manager
,
const
ID
&
matrix_id
,
const
ID
&
id
=
"sparse_solver_mumps"
);
~
SparseSolverMumps
()
override
;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public
:
/// build the profile and do the analysis part
void
initialize
()
override
;
/// analysis (symbolic facto + permutations)
void
analysis
()
override
;
/// factorize the matrix
void
factorize
()
override
;
/// solve the system
virtual
void
solve
(
Array
<
Real
>
&
x
,
const
Array
<
Real
>
&
b
);
/// solve using residual and solution from the dof_manager
void
solve
()
override
;
private
:
/// print the error if any happened in mumps
void
printError
();
/// solve the system with master_rhs_solution as b and x
void
solveInternal
();
/// set internal values;
void
initMumpsData
();
/// set the level of verbosity of mumps based on the debug level of akantu
void
setOutputLevel
();
protected
:
/// de-initialize the internal data
void
destroyInternalData
()
override
;
/// check if initialized and except if it is not the case
void
checkInitialized
();
private
:
void
mumpsDataDestroy
();
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
private
:
/// access the control variable
inline
Int
&
icntl
(
UInt
i
)
{
return
mumps_data
.
icntl
[
i
-
1
];
}
/// access the results info
inline
Int
&
info
(
UInt
i
)
{
return
mumps_data
.
info
[
i
-
1
];
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private
:
/// DOFManager used by the Mumps implementation of the SparseSolver
DOFManagerDefault
&
dof_manager
;
/// Full right hand side on the master processors and solution after solve
Array
<
Real
>
master_rhs_solution
;
/// mumps data
DMUMPS_STRUC_C
mumps_data
;
/// Rank of the current process
UInt
prank
;
/// matrix release at last solve
UInt
last_profile_release
{
UInt
(
-
1
)};
/// matrix release at last solve
UInt
last_value_release
{
UInt
(
-
1
)};
/// check if the solver data are initialized
bool
is_initialized
{
false
};
/* ------------------------------------------------------------------------ */
/* Local types */
/* ------------------------------------------------------------------------ */
private
:
SolverParallelMethod
parallel_method
;
// bool rhs_is_local;
enum
SolverMumpsJob
{
_smj_initialize
=
-
1
,
_smj_analyze
=
1
,
_smj_factorize
=
2
,
_smj_solve
=
3
,
_smj_analyze_factorize
=
4
,
_smj_factorize_solve
=
5
,
_smj_complete
=
6
,
// analyze, factorize, solve
_smj_destroy
=
-
2
};
};
}
// namespace akantu
#endif
/* AKANTU_SOLVER_MUMPS_HH_ */
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