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MeshPartitionMetis.cpp
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2 //
3 // File MeshPartitionMetis.cpp
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9 // Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10 // Department of Aeronautics, Imperial College London (UK), and Scientific
11 // Computing and Imaging Institute, University of Utah (USA).
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31 //
32 // Description: Metis partitioner interface
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #include "MeshPartitionMetis.h"
37 
40 
41 namespace Nektar
42 {
43 namespace LibUtilities
44 {
45 
48  "Metis",
50  "Partitioning using the METIS library.");
51 
53  = SessionReader::RegisterCmdLineFlag("use-metis","","Use METIS for mesh partitioning.");
54 
56  : MeshPartition(pSession)
57  {
58 
59  }
60 
62  {
63 
64  }
65 
67  int& nVerts,
68  int& nVertConds,
74  int& nparts,
75  int& volume,
77  {
78  Metis::PartGraphVKway(nVerts, nVertConds, xadj, adjcy, vertWgt, vertSize, edgeWgt, nparts, volume, part);
79  }
80 }
81 }
static std::string RegisterCmdLineFlag(const std::string &pName, const std::string &pShortName, const std::string &pDescription)
Registers a command-line flag with the session reader.
virtual void PartitionGraphImpl(int &nVerts, int &nVertConds, Nektar::Array< Nektar::OneD, int > &xadj, Nektar::Array< Nektar::OneD, int > &adjcy, Nektar::Array< Nektar::OneD, int > &vertWgt, Nektar::Array< Nektar::OneD, int > &vertSize, Nektar::Array< Nektar::OneD, int > &edgeWgt, int &nparts, int &volume, Nektar::Array< Nektar::OneD, int > &part)
boost::shared_ptr< SessionReader > SessionReaderSharedPtr
Definition: MeshPartition.h:51
static void PartGraphVKway(int &nVerts, int &nVertConds, Nektar::Array< Nektar::OneD, int > &xadj, Nektar::Array< Nektar::OneD, int > &adjcy, Nektar::Array< Nektar::OneD, int > &vertWgt, Nektar::Array< Nektar::OneD, int > &vertSize, Nektar::Array< Nektar::OneD, int > &edgeWgt, int &nparts, int &volume, Nektar::Array< Nektar::OneD, int > &part)
Definition: Metis.hpp:71
static MeshPartitionSharedPtr create(const SessionReaderSharedPtr &pSession)
Creates an instance of this class.
MeshPartitionMetis(const SessionReaderSharedPtr &pSession)
static std::string className
Name of class.
MeshPartitionFactory & GetMeshPartitionFactory()
tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, tDescription pDesc="")
Register a class with the factory.
Definition: NekFactory.hpp:215