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root/OpenMD/branches/development/src/parallel/ForceMatrixDecomposition.hpp
Revision: 1551
Committed: Thu Apr 28 18:38:21 2011 UTC (14 years ago) by gezelter
File size: 5102 byte(s)
Log Message:
More changes for parallel

File Contents

# Content
1 /*
2 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3 *
4 * The University of Notre Dame grants you ("Licensee") a
5 * non-exclusive, royalty free, license to use, modify and
6 * redistribute this software in source and binary code form, provided
7 * that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the
15 * distribution.
16 *
17 * This software is provided "AS IS," without a warranty of any
18 * kind. All express or implied conditions, representations and
19 * warranties, including any implied warranty of merchantability,
20 * fitness for a particular purpose or non-infringement, are hereby
21 * excluded. The University of Notre Dame and its licensors shall not
22 * be liable for any damages suffered by licensee as a result of
23 * using, modifying or distributing the software or its
24 * derivatives. In no event will the University of Notre Dame or its
25 * licensors be liable for any lost revenue, profit or data, or for
26 * direct, indirect, special, consequential, incidental or punitive
27 * damages, however caused and regardless of the theory of liability,
28 * arising out of the use of or inability to use software, even if the
29 * University of Notre Dame has been advised of the possibility of
30 * such damages.
31 *
32 * SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your
33 * research, please cite the appropriate papers when you publish your
34 * work. Good starting points are:
35 *
36 * [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).
37 * [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).
38 * [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).
39 * [4] Vardeman & Gezelter, in progress (2009).
40 */
41
42 #ifndef PARALLEL_FORCEMATRIXDECOMPOSITION_HPP
43 #define PARALLEL_FORCEMATRIXDECOMPOSITION_HPP
44
45 #include "Parallel/ForceDecomposition.hpp"
46 #include "math/SquareMatrix3.hpp"
47 #include "brains/Snapshot.hpp"
48
49 #ifdef IS_MPI
50 #include "Parallel/Communicator.hpp"
51 #endif
52
53 using namespace std;
54 namespace OpenMD {
55
56 class ForceMatrixDecomposition : public ForceDecomposition {
57 public:
58 ForceMatrixDecomposition(SimInfo* info) : ForceDecomposition(info) {sman_ = info_->getSnapshotManager();}
59 void distributeInitialData();
60 void distributeData();
61 void collectIntermediateData();
62 void distributeIntermediateData();
63 void collectData();
64
65 // neighbor list routines
66 bool checkNeighborList();
67 vector<pair<int, int> > buildNeighborList();
68
69 // group bookkeeping
70 pair<int, int> getGroupTypes(int cg1, int cg2);
71
72 // Group->atom bookkeeping
73 vector<int> getAtomsInGroupRow(int cg1);
74 vector<int> getAtomsInGroupColumn(int cg2);
75 Vector3d getAtomToGroupVectorRow(int atom1, int cg1);
76 Vector3d getAtomToGroupVectorColumn(int atom2, int cg2);
77 RealType getMfactRow(int atom1);
78 RealType getMfactColumn(int atom2);
79
80 // spatial data
81 Vector3d getIntergroupVector(int cg1, int cg2);
82 Vector3d getInteratomicVector(int atom1, int atom2);
83
84 // atom bookkeeping
85 vector<int> getAtomList();
86 vector<int> getSkipsForAtom(int atom1);
87 bool skipAtomPair(int atom1, int atom2);
88 void addForceToAtomRow(int atom1, Vector3d fg);
89 void addForceToAtomColumn(int atom2, Vector3d fg);
90
91 // filling interaction blocks with pointers
92 InteractionData fillInteractionData(int atom1, int atom2);
93 InteractionData fillSkipData(int atom1, int atom2);
94 SelfData fillSelfData(int atom1);
95
96 private:
97 SnapshotManager* sman_;
98 Snapshot* snap_;
99 int storageLayout_;
100 #ifdef IS_MPI
101
102 DataStorage atomRowData;
103 DataStorage atomColData;
104 DataStorage cgRowData;
105 DataStorage cgColData;
106
107 Communicator<Row, int>* AtomCommIntRow;
108 Communicator<Row, RealType>* AtomCommRealRow;
109 Communicator<Row, Vector3d>* AtomCommVectorRow;
110 Communicator<Row, Mat3x3d>* AtomCommMatrixRow;
111
112 Communicator<Column, int>* AtomCommIntColumn;
113 Communicator<Column, RealType>* AtomCommRealColumn;
114 Communicator<Column, Vector3d>* AtomCommVectorColumn;
115 Communicator<Column, Mat3x3d>* AtomCommMatrixColumn;
116
117 Communicator<Row, int>* cgCommIntRow;
118 Communicator<Row, Vector3d>* cgCommVectorRow;
119 Communicator<Column, int>* cgCommIntColumn;
120 Communicator<Column, Vector3d>* cgCommVectorColumn;
121
122 vector<vector<RealType> > pot_row;
123 vector<vector<RealType> > pot_col;
124 vector<int> identsRow;
125 vector<int> identsCol;
126
127 vector<int> AtomLocalToGlobal;
128 vector<int> AtomRowToGlobal;
129 vector<int> AtomColToGlobal;
130 vector<int> cgLocalToGlobal;
131 vector<int> cgRowToGlobal;
132 vector<int> cgColToGlobal;
133 #endif
134 vector<RealType> pot_local;
135 };
136
137 }
138 #endif
139