dune-istl 2.8.0
Classes | Namespaces | Typedefs | Functions
repartition.hh File Reference

Functionality for redistributing a parallel index set using graph partitioning. More...

#include <cassert>
#include <map>
#include <utility>
#include <cmath>
#include <dune/common/timer.hh>
#include <dune/common/enumset.hh>
#include <dune/common/stdstreams.hh>
#include <dune/common/parallel/mpitraits.hh>
#include <dune/common/parallel/communicator.hh>
#include <dune/common/parallel/indexset.hh>
#include <dune/common/parallel/indicessyncer.hh>
#include <dune/common/parallel/remoteindices.hh>
#include <dune/common/rangeutilities.hh>
#include <dune/istl/owneroverlapcopy.hh>
#include <dune/istl/paamg/graph.hh>

Go to the source code of this file.

Classes

struct  Dune::RedistributeInterface
 

Namespaces

namespace  Dune
 
namespace  Dune::Metis
 

Typedefs

using Dune::Metis::real_t = float
 
using Dune::Metis::idx_t = std::size_t
 

Functions

template<class G , class T1 , class T2 >
void Dune::fillIndexSetHoles (const G &graph, Dune::OwnerOverlapCopyCommunication< T1, T2 > &oocomm)
 Fills the holes in an index set. More...
 
template<class G , class T1 , class T2 >
bool Dune::buildCommunication (const G &graph, std::vector< int > &realparts, Dune::OwnerOverlapCopyCommunication< T1, T2 > &oocomm, std::shared_ptr< Dune::OwnerOverlapCopyCommunication< T1, T2 > > &outcomm, RedistributeInterface &redistInf, bool verbose=false)
 
template<class S , class T >
void Dune::print_carray (S &os, T *array, std::size_t l)
 
template<class S , class T >
bool Dune::isValidGraph (std::size_t noVtx, std::size_t gnoVtx, S noEdges, T *xadj, T *adjncy, bool checkSymmetry)
 
template<class M , class T1 , class T2 >
bool Dune::commGraphRepartition (const M &mat, Dune::OwnerOverlapCopyCommunication< T1, T2 > &oocomm, Metis::idx_t nparts, std::shared_ptr< Dune::OwnerOverlapCopyCommunication< T1, T2 > > &outcomm, RedistributeInterface &redistInf, bool verbose=false)
 
template<class G , class T1 , class T2 >
bool Dune::graphRepartition (const G &graph, Dune::OwnerOverlapCopyCommunication< T1, T2 > &oocomm, Metis::idx_t nparts, std::shared_ptr< Dune::OwnerOverlapCopyCommunication< T1, T2 > > &outcomm, RedistributeInterface &redistInf, bool verbose=false)
 execute a graph repartition for a giving graph and indexset. More...
 

Detailed Description

Functionality for redistributing a parallel index set using graph partitioning.

Refactored version of an intern.

Author
Markus Blatt

Variable Documentation

◆ globalOwnerVertices

int globalOwnerVertices