communication_coloring_utilities.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Riccardo Rossi
//
 
#if !defined(KRATOS_MPI_COLORING_UTILITIES_H_INCLUDED )
#define  KRATOS_MPI_COLORING_UTILITIES_H_INCLUDED
 
// System includes
#include <iostream>
#include <sstream>
#include <map>
 
// External includes
 
 
// Project includes
#include "includes/define.h"
#include "includes/serializer.h"
#include "includes/data_communicator.h"
 
namespace Kratos
{
 
 
 
 
 
 
class KRATOS_API(KRATOS_CORE) MPIColoringUtilities
{
public:
 
    KRATOS_CLASS_POINTER_DEFINITION(MPIColoringUtilities);
 
 
    MPIColoringUtilities() {}
 
    virtual ~MPIColoringUtilities() {}
 
 
    static std::vector<int> ComputeRecvList(
        const std::vector<int>& rLocalDestinationIds,
        const DataCommunicator& rComm
    );
 
    static std::vector<int> ComputeCommunicationScheduling(
        const std::vector<int>& rLocalDestinationIds,
        const DataCommunicator& rComm
    );
 
 
 
 
 
 
 
 
 
 
 
    virtual std::string Info() const
    {
        std::stringstream buffer;
        buffer << "MPIColoringUtilities" ;
        return buffer.str();
    }
 
    virtual void PrintInfo(std::ostream& rOStream) const
    {
        rOStream << "MPIColoringUtilities";
    }
 
    virtual void PrintData(std::ostream& rOStream) const {}
 
 
 
 
 
protected:
 
 
 
 
 
 
    static bool HasEdge(std::map<int, std::map<int, int> >& rGraph, int i, int j);
 
 
 
 
 
 
 
 
 
private:
 
 
 
 
 
    friend class Serializer;
 
    void save(Serializer& rSerializer) const
    {
    }
 
    void load(Serializer& rSerializer)
    {
    }
 
 
 
 
 
 
 
 
 
 
}; // Class MPIColoringUtilities
 
 
 
 
 
 
template< class TDataType >
inline std::istream& operator >> (std::istream& rIStream,
                                  MPIColoringUtilities& rThis)
{
    return rIStream;
}
 
template< class TDataType >
inline std::ostream& operator << (std::ostream& rOStream,
                                  const MPIColoringUtilities& rThis)
{
    rThis.PrintInfo(rOStream);
    rOStream << std::endl;
    rThis.PrintData(rOStream);
 
    return rOStream;
}
 
 
}  // namespace Kratos.
 
#endif // KRATOS_MPI_COLORING_UTILITIES_H_INCLUDED  defined