MueLu_AggregationStructuredAlgorithm_kokkos_decl.hpp

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#ifndef MUELU_AGGREGATIONSTRUCTUREDALGORITHM_KOKKOS_DECL_HPP
#define MUELU_AGGREGATIONSTRUCTUREDALGORITHM_KOKKOS_DECL_HPP
 
#include "MueLu_ConfigDefs.hpp"
#include "MueLu_AggregationAlgorithmBase_kokkos.hpp"
#include "MueLu_AggregationStructuredAlgorithm_kokkos_fwd.hpp"
 
#include "MueLu_FactoryBase_fwd.hpp"
#include "MueLu_Aggregates_kokkos_fwd.hpp"
#include "MueLu_IndexManager_kokkos_fwd.hpp"
#include "MueLu_LWGraph_kokkos.hpp"
 
namespace MueLu {
  template<class LocalOrdinal = DefaultLocalOrdinal,
           class GlobalOrdinal = DefaultGlobalOrdinal,
           class Node = DefaultNode>
  class AggregationStructuredAlgorithm_kokkos :
    public MueLu::AggregationAlgorithmBase_kokkos<LocalOrdinal,GlobalOrdinal,Node> {
#undef MUELU_AGGREGATIONSTRUCTUREDALGORITHM_KOKKOS_SHORT
#include "MueLu_UseShortNamesOrdinal.hpp"
 
  public:
 
    typedef typename LWGraph_kokkos::local_graph_type local_graph_type;
    typedef typename local_graph_type::row_map_type::non_const_type non_const_row_map_type;
    typedef typename local_graph_type::size_type size_type;
    typedef typename local_graph_type::entries_type entries_type;
    typedef typename local_graph_type::device_type::execution_space execution_space;
    typedef typename local_graph_type::device_type::memory_space memory_space;
 
    typedef decltype(std::declval<LOVector>().template getLocalView<memory_space>()) LOVectorView;
    typedef typename Kokkos::View<const int[3], memory_space> constIntTupleView;
    typedef typename Kokkos::View<const LO[3],  memory_space> constLOTupleView;
 
 
 
    AggregationStructuredAlgorithm_kokkos() { }
 
    virtual ~AggregationStructuredAlgorithm_kokkos() { }
 
 
 
 
 
    void BuildAggregates(const Teuchos::ParameterList& params,
                         const LWGraph_kokkos& graph,
                         Aggregates_kokkos& aggregates,
                         Kokkos::View<unsigned*, memory_space>& aggStat,
                         LO& numNonAggregatedNodes) const;
 
    void BuildGraph(const LWGraph_kokkos& graph,
                    RCP<IndexManager_kokkos>& geoData,
                    const LO dofsPerNode,
                    RCP<CrsGraph>& myGraph) const;
 
    std::string description() const { return "Aggretation: structured algorithm"; }
 
    struct fillAggregatesFunctor{
 
      IndexManager_kokkos geoData_;
      const int myRank_;
      Kokkos::View<unsigned*, memory_space> aggStat_;
      LOVectorView vertex2AggID_;
      LOVectorView procWinner_;
 
      fillAggregatesFunctor(RCP<IndexManager_kokkos> geoData,
                            const int myRank,
                            Kokkos::View<unsigned*, memory_space> aggStat,
                            LOVectorView vertex2AggID,
                            LOVectorView procWinner);
 
      KOKKOS_INLINE_FUNCTION
      void operator() (const LO nodeIdx, LO& lNumAggregatedNodes) const;
 
    }; // struct fillAggregatesFunctor
 
    struct computeGraphDataConstantFunctor {
 
      IndexManager_kokkos geoData_;
      const int numGhostedNodes_;
      const LO dofsPerNode_;
      constIntTupleView coarseRate_;
      constIntTupleView endRate_;
      constLOTupleView  lFineNodesPerDir_;
      non_const_row_map_type             rowPtr_;
      entries_type                       colIndex_;
 
 
      computeGraphDataConstantFunctor(RCP<IndexManager_kokkos> geoData,
                                      const LO numGhostedNodes, const LO dofsPerNode,
                                      constIntTupleView coarseRate, constIntTupleView endRate,
                                      constLOTupleView  lFineNodesPerDir,
                                      non_const_row_map_type rowPtr, entries_type colIndex);
 
      KOKKOS_INLINE_FUNCTION
      void operator() (const LO nodeIdx) const;
 
    }; // struct computeGraphDataConstantFunctor
 
    struct computeGraphRowPtrFunctor {
 
      IndexManager_kokkos geoData_;
      const LO dofsPerNode_;
      const int numInterpolationPoints_;
      const LO numLocalRows_;
      constIntTupleView coarseRate_;
      constLOTupleView lFineNodesPerDir_;
      non_const_row_map_type rowPtr_;
 
      computeGraphRowPtrFunctor(RCP<IndexManager_kokkos> geoData,
                                const LO dofsPerNode,
                                const int numInterpolationPoints, const LO  numLocalRows,
                                constIntTupleView coarseRate, constLOTupleView lFineNodesPerDir,
                                non_const_row_map_type rowPtr);
 
      KOKKOS_INLINE_FUNCTION
      void operator() (const LO rowIdx, GO& update, const bool final) const;
    }; // struct computeGraphRowPtrFunctor
 
    struct computeGraphDataLinearFunctor {
 
      IndexManager_kokkos geoData_;
      const int numDimensions_;
      const int numGhostedNodes_;
      const LO dofsPerNode_;
      const int numInterpolationPoints_;
      constIntTupleView coarseRate_;
      constIntTupleView endRate_;
      constLOTupleView  lFineNodesPerDir_;
      constLOTupleView  ghostedNodesPerDir_;
      non_const_row_map_type                    rowPtr_;
      entries_type                              colIndex_;
 
 
      computeGraphDataLinearFunctor(RCP<IndexManager_kokkos> geoData,
                                    const int numDimensions,
                                    const LO numGhostedNodes, const LO dofsPerNode,
                                    const int numInterpolationPoints,
                                    constIntTupleView coarseRate, constIntTupleView endRate,
                                    constLOTupleView lFineNodesPerDir,
                                    constLOTupleView ghostedNodesPerDir,
                                    non_const_row_map_type rowPtr, entries_type colIndex);
 
      KOKKOS_INLINE_FUNCTION
      void operator() (const LO nodeIdx) const;
 
    }; // struct computeGraphDataLinearFunctor
 
  }; // class AggregationStructuredAlgorithm_kokkos
 
} //namespace MueLu
 
#define MUELU_AGGREGATIONSTRUCTUREDALGORITHM_KOKKOS_SHORT
#endif /* MUELU_AGGREGATIONSTRUCTUREDALGORITHM_DECL_HPP_ */