Tpetra parallel linear algebra  Version of the Day
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Pages
Tpetra_Details_unpackCrsGraphAndCombine_decl.hpp
Go to the documentation of this file.
1 // @HEADER
2 // ***********************************************************************
3 //
4 // Tpetra: Templated Linear Algebra Services Package
5 // Copyright (2008) Sandia Corporation
6 //
7 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
8 // the U.S. Government retains certain rights in this software.
9 //
10 // Redistribution and use in source and binary forms, with or without
11 // modification, are permitted provided that the following conditions are
12 // met:
13 //
14 // 1. Redistributions of source code must retain the above copyright
15 // notice, this list of conditions and the following disclaimer.
16 //
17 // 2. Redistributions in binary form must reproduce the above copyright
18 // notice, this list of conditions and the following disclaimer in the
19 // documentation and/or other materials provided with the distribution.
20 //
21 // 3. Neither the name of the Corporation nor the names of the
22 // contributors may be used to endorse or promote products derived from
23 // this software without specific prior written permission.
24 //
25 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
26 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
29 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
30 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
31 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
32 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 //
37 // Questions? Contact Michael A. Heroux (maherou@sandia.gov)
38 //
39 // ************************************************************************
40 // @HEADER
41 
42 #ifndef TPETRA_DETAILS_UNPACKCRSGRAPHANDCOMBINE_DECL_HPP
43 #define TPETRA_DETAILS_UNPACKCRSGRAPHANDCOMBINE_DECL_HPP
44 
45 #include "TpetraCore_config.h"
46 #include "Tpetra_CombineMode.hpp"
47 #include "Kokkos_DualView.hpp"
49 #include "Tpetra_CrsGraph_fwd.hpp"
50 
69 
70 #ifndef DOXYGEN_SHOULD_SKIP_THIS
71 namespace Teuchos {
72 // Forward declaration of Array
73 template<class T> class Array;
74 // Forward declaration of ArrayView
75 template<class T> class ArrayView;
76 } // namespace Teuchos
77 #endif // DOXYGEN_SHOULD_SKIP_THIS
78 
79 namespace Tpetra {
80 
81 #ifndef DOXYGEN_SHOULD_SKIP_THIS
82 // Forward declaration of Distributor
83 class Distributor;
84 #endif // DOXYGEN_SHOULD_SKIP_THIS
85 
86 //
87 // Users must never rely on anything in the Details namespace.
88 //
89 namespace Details {
90 
123 template<class LO, class GO, class NT>
124 void
126  CrsGraph<LO, GO, NT>& sourceGraph,
127  const Teuchos::ArrayView<const typename CrsGraph<LO,GO,NT>::packet_type>& imports,
128  const Teuchos::ArrayView<const size_t>& numPacketsPerLID,
129  const Teuchos::ArrayView<const LO>& importLIDs,
130  size_t constantNumPackets,
131  Distributor & distor,
132  CombineMode combineMode);
133 
134 template<class LO, class GO, class NT>
135 void
136 unpackCrsGraphAndCombineNew(
137  CrsGraph<LO, GO, NT>& sourceGraph,
138  const Kokkos::DualView<const typename CrsGraph<LO,GO,NT>::packet_type*,
139  typename CrsGraph<LO,GO,NT>::buffer_device_type>&
140  imports,
141  const Kokkos::DualView<const size_t*,
142  typename CrsGraph<LO,GO,NT>::buffer_device_type>&
143  numPacketsPerLID,
144  const Kokkos::DualView<const LO*,
145  typename CrsGraph<LO,GO,NT>::buffer_device_type>&
146  importLIDs,
147  const size_t constantNumPackets,
148  Distributor & distor,
149  const CombineMode combineMode);
150 
194 //
203 template<class LO, class GO, class NT>
204 size_t
206  const CrsGraph<LO, GO, NT> & sourceGraph,
207  const Teuchos::ArrayView<const LO> &importLIDs,
208  const Teuchos::ArrayView<const typename CrsGraph<LO,GO,NT>::packet_type> &imports,
209  const Teuchos::ArrayView<const size_t>& numPacketsPerLID,
210  size_t constantNumPackets,
211  Distributor &distor,
212  CombineMode combineMode,
213  size_t numSameIDs,
214  const Teuchos::ArrayView<const LO>& permuteToLIDs,
215  const Teuchos::ArrayView<const LO>& permuteFromLIDs);
216 
231 template<class LO, class GO, class NT>
232 void
234  const CrsGraph<LO, GO, NT> & sourceGraph,
235  const Teuchos::ArrayView<const LO>& importLIDs,
236  const Teuchos::ArrayView<const typename CrsGraph<LO,GO,NT>::packet_type>& imports,
237  const Teuchos::ArrayView<const size_t>& numPacketsPerLID,
238  const size_t constantNumPackets,
239  Distributor& distor,
240  const CombineMode combineMode,
241  const size_t numSameIDs,
242  const Teuchos::ArrayView<const LO>& permuteToLIDs,
243  const Teuchos::ArrayView<const LO>& permuteFromLIDs,
244  size_t TargetNumRows,
245  size_t TargetNumNonzeros,
246  const int MyTargetPID,
247  const Teuchos::ArrayView<size_t>& CRS_rowptr,
248  const Teuchos::ArrayView<GO>& CRS_colind,
249  const Teuchos::ArrayView<const int>& SourcePids,
250  Teuchos::Array<int>& TargetPids);
251 
252 } // namespace Details
253 } // namespace Tpetra
254 
255 #endif // TPETRA_DETAILS_UNPACKCRSGRAPHANDCOMBINE_DECL_HPP
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...
Declaration of Tpetra::CombineMode enum, and a function for setting a Tpetra::CombineMode parameter i...
CombineMode
Rule for combining data in an Import or Export.
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
Declaration of the Tpetra::DistObject class.
void unpackCrsGraphAndCombine(CrsGraph< LO, GO, NT > &sourceGraph, const Teuchos::ArrayView< const typename CrsGraph< LO, GO, NT >::packet_type > &imports, const Teuchos::ArrayView< const size_t > &numPacketsPerLID, const Teuchos::ArrayView< const LO > &importLIDs, size_t constantNumPackets, Distributor &distor, CombineMode combineMode)
Unpack the imported column indices and combine into graph.
Forward declaration of Tpetra::CrsGraph.