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MueLu_TentativePFactory_kokkos_decl.hpp
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5// MueLu: A package for multigrid based preconditioning
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46#ifndef MUELU_TENTATIVEPFACTORY_KOKKOS_DECL_HPP
47#define MUELU_TENTATIVEPFACTORY_KOKKOS_DECL_HPP
48
49#include "MueLu_ConfigDefs.hpp"
50
52
53#include <KokkosCompat_ClassicNodeAPI_Wrapper.hpp>
54
55#include "Teuchos_ScalarTraits.hpp"
56
57#include "Xpetra_CrsGraphFactory_fwd.hpp"
58
62#include "MueLu_Level_fwd.hpp"
64#include "MueLu_PFactory.hpp"
66
67namespace MueLu {
68
107 template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
109
110 template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class DeviceType>
111 class TentativePFactory_kokkos<Scalar, LocalOrdinal, GlobalOrdinal, Kokkos::Compat::KokkosDeviceWrapperNode<DeviceType> > : public PFactory {
112 public:
115 typedef typename DeviceType::execution_space execution_space;
116 typedef Kokkos::RangePolicy<local_ordinal_type, execution_space> range_type;
117 typedef Kokkos::Compat::KokkosDeviceWrapperNode<DeviceType> node_type;
118 typedef typename Teuchos::ScalarTraits<Scalar>::coordinateType real_type;
119 typedef Xpetra::MultiVector<real_type, LocalOrdinal, GlobalOrdinal, node_type> RealValuedMultiVector;
120
121 private:
122 // For compatibility
124#undef MUELU_TENTATIVEPFACTORY_KOKKOS_SHORT
126
127 public:
129
130
133
137
138 RCP<const ParameterList> GetValidParameterList() const;
139
141
142
143 void DeclareInput(Level& fineLevel, Level& coarseLevel) const;
144
146
148
149
150 void Build (Level& fineLevel, Level& coarseLevel) const;
151 void BuildP(Level& fineLevel, Level& coarseLevel) const;
152
154
155
156 // NOTE: All of thess should really be private, but CUDA doesn't like that
157
158 void BuildPuncoupledBlockCrs(Level& coarseLevel, RCP<Matrix> A, RCP<Aggregates_kokkos> aggregates, RCP<AmalgamationInfo_kokkos> amalgInfo,
159 RCP<MultiVector> fineNullspace, RCP<const Map> coarseMap, RCP<Matrix>& Ptentative, RCP<MultiVector>& coarseNullspace, const int levelID) const;
160
161
162 bool isGoodMap(const Map& rowMap, const Map& colMap) const;
163
164
165
166 void BuildPcoupled (RCP<Matrix> A, RCP<Aggregates_kokkos> aggregates,
167 RCP<AmalgamationInfo_kokkos> amalgInfo, RCP<MultiVector> fineNullspace,
168 RCP<const Map> coarseMap, RCP<Matrix>& Ptentative,
169 RCP<MultiVector>& coarseNullspace) const;
170
171 void BuildPuncoupled(Level& coarseLevel, RCP<Matrix> A, RCP<Aggregates_kokkos> aggregates,
172 RCP<AmalgamationInfo_kokkos> amalgInfo, RCP<MultiVector> fineNullspace,
173 RCP<const Map> coarseMap, RCP<Matrix>& Ptentative,
174 RCP<MultiVector>& coarseNullspace, const int levelID) const;
175
176 mutable bool bTransferCoordinates_ = false;
177
178 };
179
180} //namespace MueLu
181
182#define MUELU_TENTATIVEPFACTORY_KOKKOS_SHORT
183#endif // MUELU_TENTATIVEPFACTORY_KOKKOS_DECL_HPP
MueLu::DefaultLocalOrdinal LocalOrdinal
MueLu::DefaultScalar Scalar
MueLu::DefaultGlobalOrdinal GlobalOrdinal
Class that holds all level-specific information.
Factory that provides an interface for a concrete implementation of a prolongation operator.
Namespace for MueLu classes and methods.