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test_sparse_matrix_profile_parallel.cc
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rAKA akantu
test_sparse_matrix_profile_parallel.cc
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/**
* @file test_sparse_matrix_profile_parallel.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Sun Oct 19 2014
* @date last modification: Wed Nov 08 2017
*
* @brief test the sparse matrix class in parallel
*
*
* @section LICENSE
*
* Copyright (©) 2010-2021 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 "aka_common.hh"
#include "communicator.hh"
#include "mesh.hh"
#include "mesh_io_msh.hh"
#include "mesh_partition_scotch.hh"
#include "solver_mumps.hh"
#include "sparse_matrix.hh"
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
/* Main */
/* -------------------------------------------------------------------------- */
int
main
(
int
argc
,
char
*
argv
[])
{
akantu
::
initialize
(
argc
,
argv
);
int
dim
=
2
;
//#ifdef AKANTU_USE_IOHELPER
// akantu::ElementType type = akantu::_triangle_6;
//#endif //AKANTU_USE_IOHELPER
akantu
::
Mesh
mesh
(
dim
);
// akantu::debug::setDebugLevel(akantu::dblDump);
akantu
::
StaticCommunicator
*
comm
=
akantu
::
Communicator
::
getStaticCommunicator
();
akantu
::
Int
psize
=
comm
->
getNbProc
();
akantu
::
Int
prank
=
comm
->
whoAmI
();
akantu
::
UInt
n
=
0
;
/* ------------------------------------------------------------------------ */
/* Parallel initialization */
/* ------------------------------------------------------------------------ */
akantu
::
Communicator
*
communicator
;
if
(
prank
==
0
)
{
akantu
::
MeshIOMSH
mesh_io
;
mesh_io
.
read
(
"triangle.msh"
,
mesh
);
akantu
::
MeshPartition
*
partition
=
new
akantu
::
MeshPartitionScotch
(
mesh
,
dim
);
// partition->reorder();
mesh_io
.
write
(
"triangle_reorder.msh"
,
mesh
);
n
=
mesh
.
getNbNodes
();
partition
->
partitionate
(
psize
);
communicator
=
akantu
::
Communicator
::
createCommunicatorDistributeMesh
(
mesh
,
partition
);
delete
partition
;
}
else
{
communicator
=
akantu
::
Communicator
::
createCommunicatorDistributeMesh
(
mesh
,
NULL
);
}
std
::
cout
<<
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA "
<<
mesh
.
getNbGlobalNodes
()
<<
std
::
endl
;
akantu
::
SparseMatrix
sparse_matrix
(
mesh
,
akantu
::
_symmetric
,
2
,
"mesh"
);
sparse_matrix
.
buildProfile
();
akantu
::
Solver
*
solver
=
new
akantu
::
SolverMumps
(
sparse_matrix
);
if
(
prank
==
0
)
{
for
(
akantu
::
UInt
i
=
0
;
i
<
n
;
++
i
)
{
solver
->
getRHS
().
storage
()[
i
]
=
1.
;
}
}
akantu
::
debug
::
setDebugLevel
(
akantu
::
dblDump
);
solver
->
initialize
();
std
::
stringstream
sstr
;
sstr
<<
"profile_"
<<
prank
<<
".mtx"
;
sparse_matrix
.
saveProfile
(
sstr
.
str
());
akantu
::
finalize
();
return
EXIT_SUCCESS
;
}
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