1 // Copyright (C) 2007-2023 CEA, EDF, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // File : SMESH_ParallelMesh.cxx
24 // Author : Yoann AUDOUIN, EDF
27 #include "SMESH_ParallelMesh.hxx"
29 #include "SMESH_Gen.hxx"
36 #include <boost/filesystem.hpp>
37 namespace fs=boost::filesystem;
41 #include <boost/asio.hpp>
44 #include <utilities.h>
47 static int MYDEBUG = 1;
49 static int MYDEBUG = 0;
52 SMESH_ParallelMesh::SMESH_ParallelMesh(int theLocalId,
54 bool theIsEmbeddedMode,
55 SMESHDS_Document* theDocument) :SMESH_Mesh(theLocalId,
60 MESSAGE("SMESH_ParallelMesh::SMESH_ParallelMesh(int localId)");
64 SMESH_ParallelMesh::~SMESH_ParallelMesh()
73 //=============================================================================
75 * \brief Build folder for parallel computation
77 //=============================================================================
78 void SMESH_ParallelMesh::CreateTmpFolder()
81 // Temporary folder that will be used by parallel computation
82 tmp_folder = fs::temp_directory_path()/fs::unique_path(fs::path("SMESH_%%%%-%%%%"));
83 fs::create_directories(tmp_folder);
87 //=============================================================================
89 * \brief Delete temporary folder used for parallel computation
91 //=============================================================================
92 void SMESH_ParallelMesh::DeleteTmpFolder()
95 fs::remove_all(tmp_folder);
99 //=============================================================================
101 * \brief Get the number of Threads to be used for the pool of Threads
103 //=============================================================================
104 int SMESH_ParallelMesh::GetPoolNbThreads()
108 if(_method == ParallelismMethod::MultiThread){
109 nbThreads = _NbThreads;
110 }else if( _method == ParallelismMethod::MultiNode){
111 //TODO: Check of that is the right way
112 nbThreads = std::max(_nbProc, _nbNode*_nbProcPerNode);
114 throw SALOME_Exception("Unknown method "+std::to_string(_method));
120 //=============================================================================
122 * \brief Set Number of thread for multithread run
124 //=============================================================================
125 void SMESH_ParallelMesh::SetNbThreads(long nbThreads)
128 throw SALOME_Exception("Number of threads should be higher than 1");
129 _NbThreads=nbThreads;
132 bool SMESH_ParallelMesh::ComputeSubMeshes(
135 const TopoDS_Shape & aShape,
136 const ::MeshDimension aDim,
137 TSetOfInt* aShapesId /*=0*/,
138 TopTools_IndexedMapOfShape* allowedSubShapes,
139 SMESH_subMesh::compute_event &computeEvent,
140 const bool includeSelf,
141 const bool complexShapeFirst,
142 const bool aShapeOnly)
145 return gen->parallelComputeSubMeshes(
147 aShapesId, allowedSubShapes,