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Comparing branches/development/src/parallel/ForceDecomposition.hpp (file contents):
Revision 1569 by gezelter, Thu May 26 13:55:04 2011 UTC vs.
Revision 1756 by gezelter, Mon Jun 18 18:23:20 2012 UTC

# Line 36 | Line 36
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).                        
39 > * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40 > * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41   */
42  
43   #ifndef PARALLEL_FORCEDECOMPOSITION_HPP
# Line 45 | Line 46
46   #include "brains/SimInfo.hpp"
47   #include "brains/SnapshotManager.hpp"
48   #include "nonbonded/NonBondedInteraction.hpp"
49 + #include "nonbonded/Cutoffs.hpp"
50 + #include "nonbonded/InteractionManager.hpp"
51 + #include "utils/Tuple.hpp"
52  
53   using namespace std;
54   namespace OpenMD {
55    
56 +  typedef tuple3<RealType, RealType, RealType> groupCutoffs;
57 +
58    /**
59     * @class ForceDecomposition
60     *
# Line 86 | Line 92 | namespace OpenMD {
92    class ForceDecomposition {
93    public:
94  
95 <    ForceDecomposition(SimInfo* info);
95 >    ForceDecomposition(SimInfo* info, InteractionManager* iMan);
96      virtual ~ForceDecomposition() {}
97      
98      virtual void distributeInitialData() = 0;
99      virtual void distributeData() = 0;
100 +    virtual void zeroWorkArrays() = 0;
101      virtual void collectIntermediateData() = 0;
102      virtual void distributeIntermediateData() = 0;
103      virtual void collectData() = 0;
104 +    virtual void collectSelfData() = 0;
105 +    virtual potVec* getEmbeddingPotential() { return &embeddingPot; }
106 +    virtual potVec* getPairwisePotential() { return &pairwisePot; }
107  
108      // neighbor list routines
109      virtual bool checkNeighborList();
110      virtual vector<pair<int, int> >  buildNeighborList() = 0;
111  
112 +    // how to handle cutoffs:
113 +    void setCutoffPolicy(CutoffPolicy cp) {cutoffPolicy_ = cp;}
114 +    void setUserCutoff(RealType rcut) {userCutoff_ = rcut; userChoseCutoff_ = true; }
115 +
116      // group bookkeeping
117 <    virtual pair<int, int> getGroupTypes(int cg1, int cg2) = 0;
117 >    virtual groupCutoffs getGroupCutoffs(int cg1, int cg2) = 0;
118 >    virtual Vector3d getGroupVelocityColumn(int atom2) = 0;
119  
120      // Group->atom bookkeeping
121      virtual vector<int> getAtomsInGroupRow(int cg1) = 0;
# Line 116 | Line 131 | namespace OpenMD {
131      virtual Vector3d getInteratomicVector(int atom1, int atom2) = 0;
132        
133      // atom bookkeeping
134 <    virtual vector<int> getAtomList() = 0;
135 <    virtual vector<int> getSkipsForAtom(int atom1) = 0;
136 <    virtual bool skipAtomPair(int atom1, int atom2) = 0;
134 >    virtual int getNAtomsInRow() = 0;
135 >    virtual vector<int> getExcludesForAtom(int atom1) = 0;
136 >    virtual bool skipAtomPair(int atom1, int atom2, int cg1, int cg2) = 0;
137 >    virtual bool excludeAtomPair(int atom1, int atom2) = 0;
138 >    virtual int getTopologicalDistance(int atom1, int atom2) = 0;
139      virtual void addForceToAtomRow(int atom1, Vector3d fg) = 0;
140      virtual void addForceToAtomColumn(int atom2, Vector3d fg) = 0;
141 +    virtual Vector3d getAtomVelocityColumn(int atom2) = 0;
142  
143      // filling interaction blocks with pointers
144 <    virtual InteractionData fillInteractionData(int atom1, int atom2) = 0;
145 <    virtual InteractionData fillSkipData(int atom1, int atom2) = 0;
146 <    virtual SelfData fillSelfData(int atom1);
144 >    virtual void fillInteractionData(InteractionData &idat, int atom1, int atom2) = 0;
145 >    virtual void unpackInteractionData(InteractionData &idat, int atom1, int atom2) = 0;
146 >
147 >    virtual void fillSelfData(SelfData &sdat, int atom1);
148 >
149 >    virtual void addToHeatFlux(Vector3d hf);
150 >    virtual void setHeatFlux(Vector3d hf);
151      
152    protected:
153      SimInfo* info_;  
154      SnapshotManager* sman_;    
155      Snapshot* snap_;
156 +    ForceField* ff_;
157 +    InteractionManager* interactionMan_;
158 +
159      int storageLayout_;
160 +    bool needVelocities_;
161      RealType skinThickness_;   /**< Verlet neighbor list skin thickness */    
162 +    RealType largestRcut_;
163  
164 <    map<pair<int, int>, int> topoDist; //< topoDist gives the
165 <                                       //topological distance between
166 <                                       //two atomic sites.  This
140 <                                       //declaration is agnostic
141 <                                       //regarding the parallel
142 <                                       //decomposition.  The two
143 <                                       //indices could be local or row
144 <                                       //& column.  It will be up to
145 <                                       //the specific decomposition
146 <                                       //method to fill this.
147 <    map<pair<int, int>, bool> exclude; //< exclude is the set of pairs
148 <                                       //to leave out of non-bonded
149 <                                       //force evaluations.  This
150 <                                       //declaration is agnostic
151 <                                       //regarding the parallel
152 <                                       //decomposition.  The two
153 <                                       //indices could be local or row
154 <                                       //& column.  It will be up to
155 <                                       //the specific decomposition
156 <                                       //method to fill this.
164 >    vector<int> idents;
165 >    potVec pairwisePot;
166 >    potVec embeddingPot;
167  
168 +    /**
169 +     * The topological distance between two atomic sites is handled
170 +     * via two vector structures for speed.  These structures agnostic
171 +     * regarding the parallel decomposition.  The index for
172 +     * toposForAtom could be local or row, while the values could be
173 +     * local or column.  It will be up to the specific decomposition
174 +     * method to fill these.
175 +     */
176 +    vector<vector<int> > toposForAtom;
177 +    vector<vector<int> > topoDist;                                      
178 +    vector<vector<int> > excludesForAtom;
179      vector<vector<int> > groupList_;
180 +    vector<RealType> massFactors;
181 +    vector<AtomType*> atypesLocal;
182 +
183      vector<Vector3i> cellOffsets_;
184      Vector3i nCells_;
185      vector<vector<int> > cellList_;
186      vector<Vector3d> saved_CG_positions_;
187  
188 +    bool userChoseCutoff_;
189 +    RealType userCutoff_;
190 +    CutoffPolicy cutoffPolicy_;
191 +
192 +    map<pair<int, int>, tuple3<RealType, RealType, RealType> > gTypeCutoffMap;
193 +
194    };    
195   }
196   #endif

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