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* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
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* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
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* [4] Vardeman & Gezelter, in progress (2009). |
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* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
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* [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |
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*/ |
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#ifndef PARALLEL_FORCEDECOMPOSITION_HPP |
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#include "brains/SimInfo.hpp" |
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#include "brains/SnapshotManager.hpp" |
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#include "nonbonded/NonBondedInteraction.hpp" |
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#include "nonbonded/Cutoffs.hpp" |
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#include "nonbonded/InteractionManager.hpp" |
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#include "utils/Tuple.hpp" |
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|
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using namespace std; |
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namespace OpenMD { |
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|
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typedef tuple3<RealType, RealType, RealType> groupCutoffs; |
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|
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/** |
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* @class ForceDecomposition |
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* |
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class ForceDecomposition { |
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public: |
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|
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< |
ForceDecomposition(SimInfo* info); |
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ForceDecomposition(SimInfo* info, InteractionManager* iMan); |
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virtual ~ForceDecomposition() {} |
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|
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virtual void distributeInitialData() = 0; |
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virtual void distributeData() = 0; |
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virtual void zeroWorkArrays() = 0; |
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virtual void collectIntermediateData() = 0; |
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virtual void distributeIntermediateData() = 0; |
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virtual void collectData() = 0; |
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virtual potVec* getEmbeddingPotential() { return &embeddingPot; } |
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virtual potVec* getPairwisePotential() { return &pairwisePot; } |
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|
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// neighbor list routines |
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virtual bool checkNeighborList(); |
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virtual vector<pair<int, int> > buildNeighborList() = 0; |
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|
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// how to handle cutoffs: |
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void setCutoffPolicy(CutoffPolicy cp) {cutoffPolicy_ = cp;} |
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void setUserCutoff(RealType rcut) {userCutoff_ = rcut; userChoseCutoff_ = true; } |
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|
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// group bookkeeping |
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virtual pair<int, int> getGroupTypes(int cg1, int cg2) = 0; |
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virtual groupCutoffs getGroupCutoffs(int cg1, int cg2) = 0; |
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virtual Vector3d getGroupVelocityColumn(int atom2) = 0; |
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|
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// Group->atom bookkeeping |
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virtual vector<int> getAtomsInGroupRow(int cg1) = 0; |
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virtual Vector3d getInteratomicVector(int atom1, int atom2) = 0; |
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|
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// atom bookkeeping |
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virtual vector<int> getAtomList() = 0; |
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< |
virtual vector<int> getSkipsForAtom(int atom1) = 0; |
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> |
virtual int getNAtomsInRow() = 0; |
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> |
virtual vector<int> getExcludesForAtom(int atom1) = 0; |
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virtual bool skipAtomPair(int atom1, int atom2) = 0; |
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virtual bool excludeAtomPair(int atom1, int atom2) = 0; |
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virtual int getTopologicalDistance(int atom1, int atom2) = 0; |
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virtual void addForceToAtomRow(int atom1, Vector3d fg) = 0; |
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virtual void addForceToAtomColumn(int atom2, Vector3d fg) = 0; |
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virtual Vector3d getAtomVelocityColumn(int atom2) = 0; |
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|
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// filling interaction blocks with pointers |
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< |
virtual InteractionData fillInteractionData(int atom1, int atom2) = 0; |
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< |
virtual InteractionData fillSkipData(int atom1, int atom2) = 0; |
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< |
virtual SelfData fillSelfData(int atom1); |
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> |
virtual void fillInteractionData(InteractionData &idat, int atom1, int atom2) = 0; |
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> |
virtual void unpackInteractionData(InteractionData &idat, int atom1, int atom2) = 0; |
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> |
|
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> |
virtual void fillSelfData(SelfData &sdat, int atom1); |
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> |
|
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> |
virtual void addToHeatFlux(Vector3d hf); |
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> |
virtual void setHeatFlux(Vector3d hf); |
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|
|
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|
protected: |
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|
SimInfo* info_; |
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SnapshotManager* sman_; |
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Snapshot* snap_; |
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+ |
ForceField* ff_; |
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+ |
InteractionManager* interactionMan_; |
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|
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|
int storageLayout_; |
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bool needVelocities_; |
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|
RealType skinThickness_; /**< Verlet neighbor list skin thickness */ |
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+ |
RealType largestRcut_; |
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|
|
163 |
< |
map<pair<int, int>, int> topoDist; //< topoDist gives the |
164 |
< |
//topological distance between |
165 |
< |
//two atomic sites. This |
140 |
< |
//declaration is agnostic |
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< |
//regarding the parallel |
142 |
< |
//decomposition. The two |
143 |
< |
//indices could be local or row |
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< |
//& column. It will be up to |
145 |
< |
//the specific decomposition |
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< |
//method to fill this. |
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< |
map<pair<int, int>, bool> exclude; //< exclude is the set of pairs |
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//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. |
163 |
> |
vector<int> idents; |
164 |
> |
potVec pairwisePot; |
165 |
> |
potVec embeddingPot; |
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|
|
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/** |
168 |
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* The topological distance between two atomic sites is handled |
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* via two vector structures for speed. These structures agnostic |
170 |
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* regarding the parallel decomposition. The index for |
171 |
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* toposForAtom could be local or row, while the values could be |
172 |
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* local or column. It will be up to the specific decomposition |
173 |
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* method to fill these. |
174 |
+ |
*/ |
175 |
+ |
vector<vector<int> > toposForAtom; |
176 |
+ |
vector<vector<int> > topoDist; |
177 |
+ |
vector<vector<int> > excludesForAtom; |
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|
vector<vector<int> > groupList_; |
179 |
+ |
vector<RealType> massFactors; |
180 |
+ |
vector<AtomType*> atypesLocal; |
181 |
+ |
|
182 |
|
vector<Vector3i> cellOffsets_; |
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|
Vector3i nCells_; |
184 |
|
vector<vector<int> > cellList_; |
185 |
|
vector<Vector3d> saved_CG_positions_; |
186 |
|
|
187 |
+ |
bool userChoseCutoff_; |
188 |
+ |
RealType userCutoff_; |
189 |
+ |
CutoffPolicy cutoffPolicy_; |
190 |
+ |
|
191 |
+ |
map<pair<int, int>, tuple3<RealType, RealType, RealType> > gTypeCutoffMap; |
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|
193 |
|
}; |
194 |
|
} |
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|
#endif |