Tpetra parallel linear algebra  Version of the Day
Tpetra_Details_unpackCrsMatrixAndCombine_decl.hpp
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41 
42 #ifndef TPETRA_DETAILS_UNPACKCRSMATRIXANDCOMBINE_DECL_HPP
43 #define TPETRA_DETAILS_UNPACKCRSMATRIXANDCOMBINE_DECL_HPP
44 
45 #include "TpetraCore_config.h"
46 #include "Tpetra_CombineMode.hpp"
47 #include "Kokkos_DualView.hpp"
48 #include "Tpetra_CrsMatrix_fwd.hpp"
50 
71 
72 #ifndef DOXYGEN_SHOULD_SKIP_THIS
73 namespace Teuchos {
74 // Forward declaration of Array
75 template<class T> class Array;
76 // Forward declaration of ArrayView
77 template<class T> class ArrayView;
78 } // namespace Teuchos
79 #endif // DOXYGEN_SHOULD_SKIP_THIS
80 
81 namespace Tpetra {
82 
83 #ifndef DOXYGEN_SHOULD_SKIP_THIS
84 // Forward declaration of Distributor
85 class Distributor;
86 #endif // DOXYGEN_SHOULD_SKIP_THIS
87 
88 //
89 // Users must never rely on anything in the Details namespace.
90 //
91 namespace Details {
92 
133 template<typename ST, typename LO, typename GO, typename NT>
134 void
135 unpackCrsMatrixAndCombine (const CrsMatrix<ST, LO, GO, NT>& sourceMatrix,
136  const Teuchos::ArrayView<const char>& imports,
137  const Teuchos::ArrayView<const size_t>& numPacketsPerLID,
138  const Teuchos::ArrayView<const LO>& importLIDs,
139  size_t constantNumPackets,
140  Distributor & distor,
141  CombineMode combineMode,
142  const bool atomic);
143 
144 template<typename ST, typename LO, typename GO, typename NT>
145 void
146 unpackCrsMatrixAndCombineNew (const CrsMatrix<ST, LO, GO, NT>& sourceMatrix,
147  const Kokkos::DualView<const char*, typename DistObject<char, LO, GO, NT>::buffer_device_type>& imports,
148  const Kokkos::DualView<const size_t*, typename DistObject<char, LO, GO, NT>::buffer_device_type>& numPacketsPerLID,
149  const Kokkos::DualView<const LO*, typename NT::device_type>& importLIDs,
150  const size_t constantNumPackets,
151  Distributor & distor,
152  const CombineMode combineMode,
153  const bool atomic);
154 
201 //
210 template<typename Scalar, typename LocalOrdinal, typename GlobalOrdinal, typename Node>
211 size_t
213  const CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> & sourceMatrix,
214  const Teuchos::ArrayView<const LocalOrdinal> &importLIDs,
215  const Teuchos::ArrayView<const char> &imports,
216  const Teuchos::ArrayView<const size_t>& numPacketsPerLID,
217  size_t constantNumPackets,
218  Distributor &distor,
219  CombineMode combineMode,
220  size_t numSameIDs,
221  const Teuchos::ArrayView<const LocalOrdinal>& permuteToLIDs,
222  const Teuchos::ArrayView<const LocalOrdinal>& permuteFromLIDs);
223 
238 template<typename Scalar, typename LocalOrdinal, typename GlobalOrdinal, typename Node>
239 void
241  const CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> & sourceMatrix,
242  const Teuchos::ArrayView<const LocalOrdinal>& importLIDs,
243  const Teuchos::ArrayView<const char>& imports,
244  const Teuchos::ArrayView<const size_t>& numPacketsPerLID,
245  const size_t constantNumPackets,
246  Distributor& distor,
247  const CombineMode combineMode,
248  const size_t numSameIDs,
249  const Teuchos::ArrayView<const LocalOrdinal>& permuteToLIDs,
250  const Teuchos::ArrayView<const LocalOrdinal>& permuteFromLIDs,
251  size_t TargetNumRows,
252  size_t TargetNumNonzeros,
253  const int MyTargetPID,
254  const Teuchos::ArrayView<size_t>& CRS_rowptr,
255  const Teuchos::ArrayView<GlobalOrdinal>& CRS_colind,
256  const Teuchos::ArrayView<typename CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>::impl_scalar_type>& CRS_vals,
257  const Teuchos::ArrayView<const int>& SourcePids,
258  Teuchos::Array<int>& TargetPids);
259 
260 } // namespace Details
261 } // namespace Tpetra
262 
263 #endif // TPETRA_DETAILS_UNPACKCRSMATRIXANDCOMBINE_DECL_HPP
Tpetra::Details::unpackAndCombineIntoCrsArrays
void unpackAndCombineIntoCrsArrays(const CrsGraph< LO, GO, NT > &sourceGraph, const Teuchos::ArrayView< const LO > &importLIDs, const Teuchos::ArrayView< const typename CrsGraph< LO, GO, NT >::packet_type > &imports, const Teuchos::ArrayView< const size_t > &numPacketsPerLID, const size_t constantNumPackets, Distributor &distor, const CombineMode combineMode, const size_t numSameIDs, const Teuchos::ArrayView< const LO > &permuteToLIDs, const Teuchos::ArrayView< const LO > &permuteFromLIDs, size_t TargetNumRows, size_t TargetNumNonzeros, const int MyTargetPID, const Teuchos::ArrayView< size_t > &CRS_rowptr, const Teuchos::ArrayView< GO > &CRS_colind, const Teuchos::ArrayView< const int > &SourcePids, Teuchos::Array< int > &TargetPids)
unpackAndCombineIntoCrsArrays
Tpetra_CombineMode.hpp
Declaration of Tpetra::CombineMode enum, and a function for setting a Tpetra::CombineMode parameter i...
Details
Implementation details of Tpetra.
Tpetra::Details::unpackCrsMatrixAndCombine
void unpackCrsMatrixAndCombine(const CrsMatrix< ST, LO, GO, NT > &sourceMatrix, const Teuchos::ArrayView< const char > &imports, const Teuchos::ArrayView< const size_t > &numPacketsPerLID, const Teuchos::ArrayView< const LO > &importLIDs, size_t constantNumPackets, Distributor &distor, CombineMode combineMode, const bool atomic)
Unpack the imported column indices and values, and combine into matrix.
Tpetra_DistObject_decl.hpp
Declaration of the Tpetra::DistObject class.
Tpetra_CrsMatrix_fwd.hpp
Forward declaration of Tpetra::CrsMatrix.
Tpetra::Classes::CrsMatrix::impl_scalar_type
Kokkos::Details::ArithTraits< Scalar >::val_type impl_scalar_type
The type used internally in place of Scalar.
Definition: Tpetra_CrsMatrix_decl.hpp:445
Tpetra::Details::unpackAndCombineWithOwningPIDsCount
size_t unpackAndCombineWithOwningPIDsCount(const CrsGraph< LO, GO, NT > &sourceGraph, const Teuchos::ArrayView< const LO > &importLIDs, const Teuchos::ArrayView< const typename CrsGraph< LO, GO, NT >::packet_type > &imports, const Teuchos::ArrayView< const size_t > &numPacketsPerLID, size_t constantNumPackets, Distributor &distor, CombineMode combineMode, size_t numSameIDs, const Teuchos::ArrayView< const LO > &permuteToLIDs, const Teuchos::ArrayView< const LO > &permuteFromLIDs)
Special version of Tpetra::Details::unpackCrsGraphAndCombine that also unpacks owning process ranks.
Tpetra
Namespace Tpetra contains the class and methods constituting the Tpetra library.
Tpetra::Classes::DistObject::buffer_device_type
Kokkos::Device< typename device_type::execution_space, buffer_memory_space > buffer_device_type
Kokkos::Device specialization for communication buffers.
Definition: Tpetra_DistObject_decl.hpp:710
Tpetra::CombineMode
CombineMode
Rule for combining data in an Import or Export.
Definition: Tpetra_CombineMode.hpp:94