Tpetra parallel linear algebra
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Declaration of functions for unpacking the entries of a Tpetra::CrsMatrix for communication, in the case where it is valid to go to the KokkosSparse::CrsMatrix (local sparse matrix data structure) directly. More...
#include "TpetraCore_config.h"
#include "Tpetra_CombineMode.hpp"
#include "Kokkos_DualView.hpp"
#include "Tpetra_CrsMatrix_fwd.hpp"
#include "Tpetra_DistObject_decl.hpp"
Go to the source code of this file.
Namespaces | |
Tpetra | |
Namespace Tpetra contains the class and methods constituting the Tpetra library. | |
Tpetra::Details | |
Namespace for Tpetra implementation details. | |
Functions | |
template<typename ST , typename LO , typename GO , typename NT > | |
void | Tpetra::Details::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. More... | |
template<typename Scalar , typename LocalOrdinal , typename GlobalOrdinal , typename Node > | |
size_t | Tpetra::Details::unpackAndCombineWithOwningPIDsCount (const CrsMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > &sourceMatrix, const Teuchos::ArrayView< const LocalOrdinal > &importLIDs, const Teuchos::ArrayView< const char > &imports, const Teuchos::ArrayView< const size_t > &numPacketsPerLID, size_t constantNumPackets, Distributor &distor, CombineMode combineMode, size_t numSameIDs, const Teuchos::ArrayView< const LocalOrdinal > &permuteToLIDs, const Teuchos::ArrayView< const LocalOrdinal > &permuteFromLIDs) |
Special version of Tpetra::Details::unpackCrsMatrixAndCombine that also unpacks owning process ranks. More... | |
template<typename Scalar , typename LocalOrdinal , typename GlobalOrdinal , typename Node > | |
void | Tpetra::Details::unpackAndCombineIntoCrsArrays (const CrsMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > &sourceMatrix, const Teuchos::ArrayView< const LocalOrdinal > &importLIDs, const Teuchos::ArrayView< const char > &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 LocalOrdinal > &permuteToLIDs, const Teuchos::ArrayView< const LocalOrdinal > &permuteFromLIDs, size_t TargetNumRows, size_t TargetNumNonzeros, const int MyTargetPID, const Teuchos::ArrayView< size_t > &CRS_rowptr, const Teuchos::ArrayView< GlobalOrdinal > &CRS_colind, const Teuchos::ArrayView< typename CrsMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node >::impl_scalar_type > &CRS_vals, const Teuchos::ArrayView< const int > &SourcePids, Teuchos::Array< int > &TargetPids) |
unpackAndCombineIntoCrsArrays More... | |
Declaration of functions for unpacking the entries of a Tpetra::CrsMatrix for communication, in the case where it is valid to go to the KokkosSparse::CrsMatrix (local sparse matrix data structure) directly.
Data (bytes) describing the row of the CRS matrix are "packed" (concatenated) in to a (view of) char* object in the following order:
The functions in this file are companions to Tpetra_Details_packCrsMatrix.hpp, i.e., Tpetra_Details_packCrsMatrix.hpp implements the packing order described above to ensure proper unpacking.
Definition in file Tpetra_Details_unpackCrsMatrixAndCombine_decl.hpp.