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"
35 #include <boost/filesystem.hpp>
36 namespace fs=boost::filesystem;
39 #include <boost/asio.hpp>
42 #include <utilities.h>
44 SMESH_ParallelMesh::SMESH_ParallelMesh(int theLocalId,
46 bool theIsEmbeddedMode,
47 SMESHDS_Document* theDocument) :SMESH_Mesh(theLocalId,
52 MESSAGE("SMESH_ParallelMesh::SMESH_ParallelMesh(int localId)");
56 SMESH_ParallelMesh::~SMESH_ParallelMesh()
61 void SMESH_ParallelMesh::cleanup()
64 std::cout << "Keeping tmp folder" << keepingTmpFolfer() << std::endl;
65 if(!keepingTmpFolfer())
67 MESSAGE("Set SMESH_KEEP_TMP to > 0 to keep temporary folders")
72 //=============================================================================
74 * \brief Checking if we should keep the temporary folder
75 * They are kept if the variable SMESH_KEEP_TMP is set to higher than 0
77 //=============================================================================
78 bool SMESH_ParallelMesh::keepingTmpFolfer()
80 const char* envVar = std::getenv("SMESH_KEEP_TMP");
81 std::cout << "smesh_keep_tmp: " << envVar << std::endl;
83 if (envVar && (envVar[0] != '\0'))
87 const long long numValue = std::stoll(envVar);
90 catch(const std::exception& e)
92 std::cerr << e.what() << '\n';
100 //=============================================================================
102 * \brief Build folder for parallel computation
104 //=============================================================================
105 void SMESH_ParallelMesh::CreateTmpFolder()
107 // Temporary folder that will be used by parallel computation
108 tmp_folder = fs::temp_directory_path()/fs::unique_path(fs::path("SMESH_%%%%-%%%%"));
109 fs::create_directories(tmp_folder);
112 //=============================================================================
114 * \brief Delete temporary folder used for parallel computation
116 //=============================================================================
117 void SMESH_ParallelMesh::DeleteTmpFolder()
119 MESSAGE("Deleting temporary folder" << tmp_folder.string());
120 fs::remove_all(tmp_folder);
123 //=============================================================================
125 * \brief Get the number of Threads to be used for the pool of Threads
127 //=============================================================================
128 int SMESH_ParallelMesh::GetPoolNbThreads()
132 if(_method == ParallelismMethod::MultiThread){
133 nbThreads = _NbThreads;
134 }else if( _method == ParallelismMethod::MultiNode){
135 //TODO: Check of that is the right way
136 nbThreads = std::max(_nbProc, _nbNode*_nbProcPerNode);
138 throw SALOME_Exception("Unknown method "+std::to_string(_method));
144 //=============================================================================
146 * \brief Set Number of thread for multithread run
148 //=============================================================================
149 void SMESH_ParallelMesh::SetNbThreads(long nbThreads)
152 throw SALOME_Exception("Number of threads should be higher than 1");
153 _NbThreads=nbThreads;
156 bool SMESH_ParallelMesh::ComputeSubMeshes(
159 const TopoDS_Shape & aShape,
160 const ::MeshDimension aDim,
161 TSetOfInt* aShapesId /*=0*/,
162 TopTools_IndexedMapOfShape* allowedSubShapes,
163 SMESH_subMesh::compute_event &computeEvent,
164 const bool includeSelf,
165 const bool complexShapeFirst,
166 const bool aShapeOnly)
169 return gen->parallelComputeSubMeshes(
171 aShapesId, allowedSubShapes,