[ViewVC] Diff of: OpenMD/trunk/src/parallel/ForceMatrixDecomposition.cpp

Comparing branches/development/src/parallel/ForceMatrixDecomposition.cpp (file contents):
Revision 1579 by gezelter, Thu Jun 9 20:26:29 2011 UTC vs.
Revision 1589 by gezelter, Sun Jul 10 16:05:34 2011 UTC

#	Line 57 \| Line 57 \| namespace OpenMD {
57		storageLayout_ = sman_->getStorageLayout();
58		ff_ = info_->getForceField();
59		nLocal_ = snap_->getNumberOfAtoms();
60	<
60	>
61		nGroups_ = info_->getNLocalCutoffGroups();
62	–	cerr << "in dId, nGroups = " << nGroups_ << "\n";
62		// gather the information for atomtype IDs (atids):
63	<	identsLocal = info_->getIdentArray();
63	>	idents = info_->getIdentArray();
64		AtomLocalToGlobal = info_->getGlobalAtomIndices();
65		cgLocalToGlobal = info_->getGlobalGroupIndices();
66		vector<int> globalGroupMembership = info_->getGlobalGroupMembership();
68	–	vector<RealType> massFactorsLocal = info_->getMassFactors();
69	–	PairList excludes = info_->getExcludedInteractions();
70	–	PairList oneTwo = info_->getOneTwoInteractions();
71	–	PairList oneThree = info_->getOneThreeInteractions();
72	–	PairList oneFour = info_->getOneFourInteractions();
67
68	+	massFactors = info_->getMassFactors();
69	+
70	+	PairList* excludes = info_->getExcludedInteractions();
71	+	PairList* oneTwo = info_->getOneTwoInteractions();
72	+	PairList* oneThree = info_->getOneThreeInteractions();
73	+	PairList* oneFour = info_->getOneFourInteractions();
74	+
75		#ifdef IS_MPI
76
77		AtomCommIntRow = new Communicator<Row,int>(nLocal_);
#	Line 108 \| Line 109 \| namespace OpenMD {
109		identsRow.resize(nAtomsInRow_);
110		identsCol.resize(nAtomsInCol_);
111
112	<	AtomCommIntRow->gather(identsLocal, identsRow);
113	<	AtomCommIntColumn->gather(identsLocal, identsCol);
112	>	AtomCommIntRow->gather(idents, identsRow);
113	>	AtomCommIntColumn->gather(idents, identsCol);
114
115	+	// allocate memory for the parallel objects
116	+	AtomRowToGlobal.resize(nAtomsInRow_);
117	+	AtomColToGlobal.resize(nAtomsInCol_);
118	+	cgRowToGlobal.resize(nGroupsInRow_);
119	+	cgColToGlobal.resize(nGroupsInCol_);
120	+	massFactorsRow.resize(nAtomsInRow_);
121	+	massFactorsCol.resize(nAtomsInCol_);
122	+	pot_row.resize(nAtomsInRow_);
123	+	pot_col.resize(nAtomsInCol_);
124	+
125		AtomCommIntRow->gather(AtomLocalToGlobal, AtomRowToGlobal);
126		AtomCommIntColumn->gather(AtomLocalToGlobal, AtomColToGlobal);
127
128		cgCommIntRow->gather(cgLocalToGlobal, cgRowToGlobal);
129		cgCommIntColumn->gather(cgLocalToGlobal, cgColToGlobal);
130
131	<	AtomCommRealRow->gather(massFactorsLocal, massFactorsRow);
132	<	AtomCommRealColumn->gather(massFactorsLocal, massFactorsCol);
131	>	AtomCommRealRow->gather(massFactors, massFactorsRow);
132	>	AtomCommRealColumn->gather(massFactors, massFactorsCol);
133
134		groupListRow_.clear();
135		groupListRow_.resize(nGroupsInRow_);
#	Line 142 \| Line 153 \| namespace OpenMD {
153		}
154		}
155
156	<	skipsForAtom.clear();
157	<	skipsForAtom.resize(nAtomsInRow_);
156	>	excludesForAtom.clear();
157	>	excludesForAtom.resize(nAtomsInRow_);
158		toposForAtom.clear();
159		toposForAtom.resize(nAtomsInRow_);
160		topoDist.clear();
#	Line 154 \| Line 165 \| namespace OpenMD {
165		for (int j = 0; j < nAtomsInCol_; j++) {
166		int jglob = AtomColToGlobal[j];
167
168	<	if (excludes.hasPair(iglob, jglob))
169	<	skipsForAtom[i].push_back(j);
168	>	if (excludes->hasPair(iglob, jglob))
169	>	excludesForAtom[i].push_back(j);
170
171	<	if (oneTwo.hasPair(iglob, jglob)) {
171	>	if (oneTwo->hasPair(iglob, jglob)) {
172		toposForAtom[i].push_back(j);
173		topoDist[i].push_back(1);
174		} else {
175	<	if (oneThree.hasPair(iglob, jglob)) {
175	>	if (oneThree->hasPair(iglob, jglob)) {
176		toposForAtom[i].push_back(j);
177		topoDist[i].push_back(2);
178		} else {
179	<	if (oneFour.hasPair(iglob, jglob)) {
179	>	if (oneFour->hasPair(iglob, jglob)) {
180		toposForAtom[i].push_back(j);
181		topoDist[i].push_back(3);
182		}
#	Line 188 \| Line 199 \| namespace OpenMD {
199		}
200		}
201
202	<	skipsForAtom.clear();
203	<	skipsForAtom.resize(nLocal_);
202	>	excludesForAtom.clear();
203	>	excludesForAtom.resize(nLocal_);
204		toposForAtom.clear();
205		toposForAtom.resize(nLocal_);
206		topoDist.clear();
#	Line 201 \| Line 212 \| namespace OpenMD {
212		for (int j = 0; j < nLocal_; j++) {
213		int jglob = AtomLocalToGlobal[j];
214
215	<	if (excludes.hasPair(iglob, jglob))
216	<	skipsForAtom[i].push_back(j);
215	>	if (excludes->hasPair(iglob, jglob))
216	>	excludesForAtom[i].push_back(j);
217
218	<	if (oneTwo.hasPair(iglob, jglob)) {
218	>	if (oneTwo->hasPair(iglob, jglob)) {
219		toposForAtom[i].push_back(j);
220		topoDist[i].push_back(1);
221		} else {
222	<	if (oneThree.hasPair(iglob, jglob)) {
222	>	if (oneThree->hasPair(iglob, jglob)) {
223		toposForAtom[i].push_back(j);
224		topoDist[i].push_back(2);
225		} else {
226	<	if (oneFour.hasPair(iglob, jglob)) {
226	>	if (oneFour->hasPair(iglob, jglob)) {
227		toposForAtom[i].push_back(j);
228		topoDist[i].push_back(3);
229		}
#	Line 222 \| Line 233 \| namespace OpenMD {
233		}
234
235		createGtypeCutoffMap();
236	+
237		}
238
239		void ForceMatrixDecomposition::createGtypeCutoffMap() {
240	<
240	>
241		RealType tol = 1e-6;
242		RealType rc;
243		int atid;
244		set<AtomType*> atypes = info_->getSimulatedAtomTypes();
245	<	vector<RealType> atypeCutoff;
246	<	atypeCutoff.resize( atypes.size() );
235	<
245	>	map<int, RealType> atypeCutoff;
246	>
247		for (set<AtomType*>::iterator at = atypes.begin();
248		at != atypes.end(); ++at){
249	<	rc = interactionMan_->getSuggestedCutoffRadius(*at);
250	<	atid = (*at)->getIdent();
251	<	atypeCutoff[atid] = rc;
249	>	atid = (*at)->getIdent();
250	>	if (userChoseCutoff_)
251	>	atypeCutoff[atid] = userCutoff_;
252	>	else
253	>	atypeCutoff[atid] = interactionMan_->getSuggestedCutoffRadius(*at);
254		}
255
256		vector<RealType> gTypeCutoffs;
244	–
257		// first we do a single loop over the cutoff groups to find the
258		// largest cutoff for any atypes present in this group.
259		#ifdef IS_MPI
#	Line 299 \| Line 311 \| namespace OpenMD {
311
312		vector<RealType> groupCutoff(nGroups_, 0.0);
313		groupToGtype.resize(nGroups_);
302	–
303	–	cerr << "nGroups = " << nGroups_ << "\n";
314		for (int cg1 = 0; cg1 < nGroups_; cg1++) {
315
316		groupCutoff[cg1] = 0.0;
#	Line 309 \| Line 319 \| namespace OpenMD {
319		for (vector<int>::iterator ia = atomList.begin();
320		ia != atomList.end(); ++ia) {
321		int atom1 = (*ia);
322	<	atid = identsLocal[atom1];
322	>	atid = idents[atom1];
323		if (atypeCutoff[atid] > groupCutoff[cg1]) {
324		groupCutoff[cg1] = atypeCutoff[atid];
325		}
#	Line 329 \| Line 339 \| namespace OpenMD {
339		}
340		#endif
341
332	–	cerr << "gTypeCutoffs.size() = " << gTypeCutoffs.size() << "\n";
342		// Now we find the maximum group cutoff value present in the simulation
343
344		RealType groupMax = *max_element(gTypeCutoffs.begin(), gTypeCutoffs.end());
#	Line 378 \| Line 387 \| namespace OpenMD {
387		if (abs(gTypeCutoffMap[key].first - userCutoff_) > 0.0001) {
388		sprintf(painCave.errMsg,
389		"ForceMatrixDecomposition::createGtypeCutoffMap "
390	<	"user-specified rCut does not match computed group Cutoff\n");
390	>	"user-specified rCut (%lf) does not match computed group Cutoff\n", userCutoff_);
391		painCave.severity = OPENMD_ERROR;
392		painCave.isFatal = 1;
393		simError();
#	Line 410 \| Line 419 \| namespace OpenMD {
419		}
420
421		void ForceMatrixDecomposition::zeroWorkArrays() {
422	<
423	<	for (int j = 0; j < N_INTERACTION_FAMILIES; j++) {
415	<	longRangePot_[j] = 0.0;
416	<	}
422	>	pairwisePot = 0.0;
423	>	embeddingPot = 0.0;
424
425		#ifdef IS_MPI
426		if (storageLayout_ & DataStorage::dslForce) {
#	Line 430 \| Line 437 \| namespace OpenMD {
437		Vector<RealType, N_INTERACTION_FAMILIES> (0.0));
438
439		fill(pot_col.begin(), pot_col.end(),
440	<	Vector<RealType, N_INTERACTION_FAMILIES> (0.0));
434	<
435	<	pot_local = Vector<RealType, N_INTERACTION_FAMILIES>(0.0);
440	>	Vector<RealType, N_INTERACTION_FAMILIES> (0.0));
441
442		if (storageLayout_ & DataStorage::dslParticlePot) {
443		fill(atomRowData.particlePot.begin(), atomRowData.particlePot.end(), 0.0);
#	Line 456 \| Line 461 \| namespace OpenMD {
461		atomColData.functionalDerivative.end(), 0.0);
462		}
463
464	+	if (storageLayout_ & DataStorage::dslSkippedCharge) {
465	+	fill(atomRowData.skippedCharge.begin(),
466	+	atomRowData.skippedCharge.end(), 0.0);
467	+	fill(atomColData.skippedCharge.begin(),
468	+	atomColData.skippedCharge.end(), 0.0);
469	+	}
470	+
471		#else
472
473		if (storageLayout_ & DataStorage::dslParticlePot) {
#	Line 475 \| Line 487 \| namespace OpenMD {
487		fill(snap_->atomData.functionalDerivative.begin(),
488		snap_->atomData.functionalDerivative.end(), 0.0);
489		}
490	+	if (storageLayout_ & DataStorage::dslSkippedCharge) {
491	+	fill(snap_->atomData.skippedCharge.begin(),
492	+	snap_->atomData.skippedCharge.end(), 0.0);
493	+	}
494		#endif
495
496		}
#	Line 582 \| Line 598 \| namespace OpenMD {
598
599		if (storageLayout_ & DataStorage::dslTorque) {
600
601	<	int nt = snap_->atomData.force.size();
601	>	int nt = snap_->atomData.torque.size();
602		vector<Vector3d> trq_tmp(nt, V3Zero);
603
604		AtomCommVectorRow->scatter(atomRowData.torque, trq_tmp);
605	<	for (int i = 0; i < n; i++) {
605	>	for (int i = 0; i < nt; i++) {
606		snap_->atomData.torque[i] += trq_tmp[i];
607		trq_tmp[i] = 0.0;
608		}
609
610		AtomCommVectorColumn->scatter(atomColData.torque, trq_tmp);
611	<	for (int i = 0; i < n; i++)
611	>	for (int i = 0; i < nt; i++)
612		snap_->atomData.torque[i] += trq_tmp[i];
613		}
614	+
615	+	if (storageLayout_ & DataStorage::dslSkippedCharge) {
616	+
617	+	int ns = snap_->atomData.skippedCharge.size();
618	+	vector<RealType> skch_tmp(ns, 0.0);
619	+
620	+	AtomCommRealRow->scatter(atomRowData.skippedCharge, skch_tmp);
621	+	for (int i = 0; i < ns; i++) {
622	+	snap_->atomData.skippedCharge[i] = skch_tmp[i];
623	+	skch_tmp[i] = 0.0;
624	+	}
625	+
626	+	AtomCommRealColumn->scatter(atomColData.skippedCharge, skch_tmp);
627	+	for (int i = 0; i < ns; i++)
628	+	snap_->atomData.skippedCharge[i] += skch_tmp[i];
629	+	}
630
631		nLocal_ = snap_->getNumberOfAtoms();
632
#	Line 606 \| Line 638 \| namespace OpenMD {
638		AtomCommPotRow->scatter(pot_row, pot_temp);
639
640		for (int ii = 0; ii < pot_temp.size(); ii++ )
641	<	pot_local += pot_temp[ii];
641	>	pairwisePot += pot_temp[ii];
642
643		fill(pot_temp.begin(), pot_temp.end(),
644		Vector<RealType, N_INTERACTION_FAMILIES> (0.0));
#	Line 614 \| Line 646 \| namespace OpenMD {
646		AtomCommPotColumn->scatter(pot_col, pot_temp);
647
648		for (int ii = 0; ii < pot_temp.size(); ii++ )
649	<	pot_local += pot_temp[ii];
618	<
649	>	pairwisePot += pot_temp[ii];
650		#endif
651	+
652		}
653
654		int ForceMatrixDecomposition::getNAtomsInRow() {
#	Line 691 \| Line 723 \| namespace OpenMD {
723		#ifdef IS_MPI
724		return massFactorsRow[atom1];
725		#else
726	<	return massFactorsLocal[atom1];
726	>	return massFactors[atom1];
727		#endif
728		}
729
#	Line 699 \| Line 731 \| namespace OpenMD {
731		#ifdef IS_MPI
732		return massFactorsCol[atom2];
733		#else
734	<	return massFactorsLocal[atom2];
734	>	return massFactors[atom2];
735		#endif
736
737		}
#	Line 717 \| Line 749 \| namespace OpenMD {
749		return d;
750		}
751
752	<	vector<int> ForceMatrixDecomposition::getSkipsForAtom(int atom1) {
753	<	return skipsForAtom[atom1];
752	>	vector<int> ForceMatrixDecomposition::getExcludesForAtom(int atom1) {
753	>	return excludesForAtom[atom1];
754		}
755
756		/**
757	<	* There are a number of reasons to skip a pair or a
726	<	* particle. Mostly we do this to exclude atoms who are involved in
727	<	* short range interactions (bonds, bends, torsions), but we also
728	<	* need to exclude some overcounted interactions that result from
757	>	* We need to exclude some overcounted interactions that result from
758		* the parallel decomposition.
759		*/
760		bool ForceMatrixDecomposition::skipAtomPair(int atom1, int atom2) {
#	Line 745 \| Line 774 \| namespace OpenMD {
774		} else {
775		if ((unique_id_1 + unique_id_2) % 2 == 1) return true;
776		}
777	+	#endif
778	+	return false;
779	+	}
780	+
781	+	/**
782	+	* We need to handle the interactions for atoms who are involved in
783	+	* the same rigid body as well as some short range interactions
784	+	* (bonds, bends, torsions) differently from other interactions.
785	+	* We'll still visit the pairwise routines, but with a flag that
786	+	* tells those routines to exclude the pair from direct long range
787	+	* interactions. Some indirect interactions (notably reaction
788	+	* field) must still be handled for these pairs.
789	+	*/
790	+	bool ForceMatrixDecomposition::excludeAtomPair(int atom1, int atom2) {
791	+	int unique_id_2;
792	+
793	+	#ifdef IS_MPI
794	+	// in MPI, we have to look up the unique IDs for the row atom.
795	+	unique_id_2 = AtomColToGlobal[atom2];
796		#else
797		// in the normal loop, the atom numbers are unique
750	–	unique_id_1 = atom1;
798		unique_id_2 = atom2;
799		#endif
800
801	<	for (vector<int>::iterator i = skipsForAtom[atom1].begin();
802	<	i != skipsForAtom[atom1].end(); ++i) {
801	>	for (vector<int>::iterator i = excludesForAtom[atom1].begin();
802	>	i != excludesForAtom[atom1].end(); ++i) {
803		if ( (*i) == unique_id_2 ) return true;
804	<	}
804	>	}
805
806	+	return false;
807		}
808
809
#	Line 776 \| Line 824 \| namespace OpenMD {
824		}
825
826		// filling interaction blocks with pointers
827	<	InteractionData ForceMatrixDecomposition::fillInteractionData(int atom1, int atom2) {
828	<	InteractionData idat;
827	>	void ForceMatrixDecomposition::fillInteractionData(InteractionData &idat,
828	>	int atom1, int atom2) {
829
830	+	idat.excluded = excludeAtomPair(atom1, atom2);
831	+
832		#ifdef IS_MPI
833
834		idat.atypes = make_pair( ff_->getAtomType(identsRow[atom1]),
835		ff_->getAtomType(identsCol[atom2]) );
786	–
836
837		if (storageLayout_ & DataStorage::dslAmat) {
838		idat.A1 = &(atomRowData.aMat[atom1]);
#	Line 820 \| Line 869 \| namespace OpenMD {
869		idat.particlePot2 = &(atomColData.particlePot[atom2]);
870		}
871
872	+	if (storageLayout_ & DataStorage::dslSkippedCharge) {
873	+	idat.skippedCharge1 = &(atomRowData.skippedCharge[atom1]);
874	+	idat.skippedCharge2 = &(atomColData.skippedCharge[atom2]);
875	+	}
876	+
877		#else
878
879	<	idat.atypes = make_pair( ff_->getAtomType(identsLocal[atom1]),
880	<	ff_->getAtomType(identsLocal[atom2]) );
879	>	idat.atypes = make_pair( ff_->getAtomType(idents[atom1]),
880	>	ff_->getAtomType(idents[atom2]) );
881
882		if (storageLayout_ & DataStorage::dslAmat) {
883		idat.A1 = &(snap_->atomData.aMat[atom1]);
#	Line 840 \| Line 894 \| namespace OpenMD {
894		idat.t2 = &(snap_->atomData.torque[atom2]);
895		}
896
897	<	if (storageLayout_ & DataStorage::dslDensity) {
897	>	if (storageLayout_ & DataStorage::dslDensity) {
898		idat.rho1 = &(snap_->atomData.density[atom1]);
899		idat.rho2 = &(snap_->atomData.density[atom2]);
900		}
#	Line 860 \| Line 914 \| namespace OpenMD {
914		idat.particlePot2 = &(snap_->atomData.particlePot[atom2]);
915		}
916
917	+	if (storageLayout_ & DataStorage::dslSkippedCharge) {
918	+	idat.skippedCharge1 = &(snap_->atomData.skippedCharge[atom1]);
919	+	idat.skippedCharge2 = &(snap_->atomData.skippedCharge[atom2]);
920	+	}
921		#endif
864	–	return idat;
922		}
923
924
925	<	void ForceMatrixDecomposition::unpackInteractionData(InteractionData idat, int atom1, int atom2) {
925	>	void ForceMatrixDecomposition::unpackInteractionData(InteractionData &idat, int atom1, int atom2) {
926		#ifdef IS_MPI
927		pot_row[atom1] += 0.5 * *(idat.pot);
928		pot_col[atom2] += 0.5 * *(idat.pot);
#	Line 873 \| Line 930 \| namespace OpenMD {
930		atomRowData.force[atom1] += *(idat.f1);
931		atomColData.force[atom2] -= *(idat.f1);
932		#else
933	<	longRangePot_ += *(idat.pot);
934	<
933	>	pairwisePot += *(idat.pot);
934	>
935		snap_->atomData.force[atom1] += *(idat.f1);
936		snap_->atomData.force[atom2] -= *(idat.f1);
937		#endif
938	<
938	>
939		}
940
884	–
885	–	InteractionData ForceMatrixDecomposition::fillSkipData(int atom1, int atom2){
886	–
887	–	InteractionData idat;
888	–	#ifdef IS_MPI
889	–	idat.atypes = make_pair( ff_->getAtomType(identsRow[atom1]),
890	–	ff_->getAtomType(identsCol[atom2]) );
891	–
892	–	if (storageLayout_ & DataStorage::dslElectroFrame) {
893	–	idat.eFrame1 = &(atomRowData.electroFrame[atom1]);
894	–	idat.eFrame2 = &(atomColData.electroFrame[atom2]);
895	–	}
896	–	if (storageLayout_ & DataStorage::dslTorque) {
897	–	idat.t1 = &(atomRowData.torque[atom1]);
898	–	idat.t2 = &(atomColData.torque[atom2]);
899	–	}
900	–	#else
901	–	idat.atypes = make_pair( ff_->getAtomType(identsLocal[atom1]),
902	–	ff_->getAtomType(identsLocal[atom2]) );
903	–
904	–	if (storageLayout_ & DataStorage::dslElectroFrame) {
905	–	idat.eFrame1 = &(snap_->atomData.electroFrame[atom1]);
906	–	idat.eFrame2 = &(snap_->atomData.electroFrame[atom2]);
907	–	}
908	–	if (storageLayout_ & DataStorage::dslTorque) {
909	–	idat.t1 = &(snap_->atomData.torque[atom1]);
910	–	idat.t2 = &(snap_->atomData.torque[atom2]);
911	–	}
912	–	#endif
913	–	}
914	–
941		/*
942		* buildNeighborList
943		*
#	Line 922 \| Line 948 \| namespace OpenMD {
948
949		vector<pair<int, int> > neighborList;
950		groupCutoffs cuts;
951	+	bool doAllPairs = false;
952	+
953		#ifdef IS_MPI
954		cellListRow_.clear();
955		cellListCol_.clear();
#	Line 941 \| Line 969 \| namespace OpenMD {
969		nCells_.y() = (int) ( Hy.length() )/ rList_;
970		nCells_.z() = (int) ( Hz.length() )/ rList_;
971
972	+	// handle small boxes where the cell offsets can end up repeating cells
973	+
974	+	if (nCells_.x() < 3) doAllPairs = true;
975	+	if (nCells_.y() < 3) doAllPairs = true;
976	+	if (nCells_.z() < 3) doAllPairs = true;
977	+
978		Mat3x3d invHmat = snap_->getInvHmat();
979		Vector3d rs, scaled, dr;
980		Vector3i whichCell;
#	Line 954 \| Line 988 \| namespace OpenMD {
988		cellList_.resize(nCtot);
989		#endif
990
991	+	if (!doAllPairs) {
992		#ifdef IS_MPI
958	–	for (int i = 0; i < nGroupsInRow_; i++) {
959	–	rs = cgRowData.position[i];
960	–	// scaled positions relative to the box vectors
961	–	scaled = invHmat * rs;
962	–	// wrap the vector back into the unit box by subtracting integer box
963	–	// numbers
964	–	for (int j = 0; j < 3; j++)
965	–	scaled[j] -= roundMe(scaled[j]);
966	–
967	–	// find xyz-indices of cell that cutoffGroup is in.
968	–	whichCell.x() = nCells_.x() * scaled.x();
969	–	whichCell.y() = nCells_.y() * scaled.y();
970	–	whichCell.z() = nCells_.z() * scaled.z();
993
994	<	// find single index of this cell:
995	<	cellIndex = Vlinear(whichCell, nCells_);
996	<	// add this cutoff group to the list of groups in this cell;
997	<	cellListRow_[cellIndex].push_back(i);
998	<	}
999	<
1000	<	for (int i = 0; i < nGroupsInCol_; i++) {
1001	<	rs = cgColData.position[i];
1002	<	// scaled positions relative to the box vectors
1003	<	scaled = invHmat * rs;
1004	<	// wrap the vector back into the unit box by subtracting integer box
1005	<	// numbers
1006	<	for (int j = 0; j < 3; j++)
1007	<	scaled[j] -= roundMe(scaled[j]);
1008	<
1009	<	// find xyz-indices of cell that cutoffGroup is in.
1010	<	whichCell.x() = nCells_.x() * scaled.x();
1011	<	whichCell.y() = nCells_.y() * scaled.y();
1012	<	whichCell.z() = nCells_.z() * scaled.z();
1013	<
1014	<	// find single index of this cell:
1015	<	cellIndex = Vlinear(whichCell, nCells_);
1016	<	// add this cutoff group to the list of groups in this cell;
1017	<	cellListCol_[cellIndex].push_back(i);
1018	<	}
994	>	for (int i = 0; i < nGroupsInRow_; i++) {
995	>	rs = cgRowData.position[i];
996	>
997	>	// scaled positions relative to the box vectors
998	>	scaled = invHmat * rs;
999	>
1000	>	// wrap the vector back into the unit box by subtracting integer box
1001	>	// numbers
1002	>	for (int j = 0; j < 3; j++) {
1003	>	scaled[j] -= roundMe(scaled[j]);
1004	>	scaled[j] += 0.5;
1005	>	}
1006	>
1007	>	// find xyz-indices of cell that cutoffGroup is in.
1008	>	whichCell.x() = nCells_.x() * scaled.x();
1009	>	whichCell.y() = nCells_.y() * scaled.y();
1010	>	whichCell.z() = nCells_.z() * scaled.z();
1011	>
1012	>	// find single index of this cell:
1013	>	cellIndex = Vlinear(whichCell, nCells_);
1014	>
1015	>	// add this cutoff group to the list of groups in this cell;
1016	>	cellListRow_[cellIndex].push_back(i);
1017	>	}
1018	>
1019	>	for (int i = 0; i < nGroupsInCol_; i++) {
1020	>	rs = cgColData.position[i];
1021	>
1022	>	// scaled positions relative to the box vectors
1023	>	scaled = invHmat * rs;
1024	>
1025	>	// wrap the vector back into the unit box by subtracting integer box
1026	>	// numbers
1027	>	for (int j = 0; j < 3; j++) {
1028	>	scaled[j] -= roundMe(scaled[j]);
1029	>	scaled[j] += 0.5;
1030	>	}
1031	>
1032	>	// find xyz-indices of cell that cutoffGroup is in.
1033	>	whichCell.x() = nCells_.x() * scaled.x();
1034	>	whichCell.y() = nCells_.y() * scaled.y();
1035	>	whichCell.z() = nCells_.z() * scaled.z();
1036	>
1037	>	// find single index of this cell:
1038	>	cellIndex = Vlinear(whichCell, nCells_);
1039	>
1040	>	// add this cutoff group to the list of groups in this cell;
1041	>	cellListCol_[cellIndex].push_back(i);
1042	>	}
1043		#else
1044	<	for (int i = 0; i < nGroups_; i++) {
1045	<	rs = snap_->cgData.position[i];
1046	<	// scaled positions relative to the box vectors
1047	<	scaled = invHmat * rs;
1048	<	// wrap the vector back into the unit box by subtracting integer box
1049	<	// numbers
1050	<	for (int j = 0; j < 3; j++)
1051	<	scaled[j] -= roundMe(scaled[j]);
1052	<
1053	<	// find xyz-indices of cell that cutoffGroup is in.
1054	<	whichCell.x() = nCells_.x() * scaled.x();
1055	<	whichCell.y() = nCells_.y() * scaled.y();
1056	<	whichCell.z() = nCells_.z() * scaled.z();
1057	<
1058	<	// find single index of this cell:
1059	<	cellIndex = Vlinear(whichCell, nCells_);
1060	<	// add this cutoff group to the list of groups in this cell;
1061	<	cellList_[cellIndex].push_back(i);
1062	<	}
1044	>	for (int i = 0; i < nGroups_; i++) {
1045	>	rs = snap_->cgData.position[i];
1046	>
1047	>	// scaled positions relative to the box vectors
1048	>	scaled = invHmat * rs;
1049	>
1050	>	// wrap the vector back into the unit box by subtracting integer box
1051	>	// numbers
1052	>	for (int j = 0; j < 3; j++) {
1053	>	scaled[j] -= roundMe(scaled[j]);
1054	>	scaled[j] += 0.5;
1055	>	}
1056	>
1057	>	// find xyz-indices of cell that cutoffGroup is in.
1058	>	whichCell.x() = nCells_.x() * scaled.x();
1059	>	whichCell.y() = nCells_.y() * scaled.y();
1060	>	whichCell.z() = nCells_.z() * scaled.z();
1061	>
1062	>	// find single index of this cell:
1063	>	cellIndex = Vlinear(whichCell, nCells_);
1064	>
1065	>	// add this cutoff group to the list of groups in this cell;
1066	>	cellList_[cellIndex].push_back(i);
1067	>	}
1068		#endif
1069
1070	<	for (int m1z = 0; m1z < nCells_.z(); m1z++) {
1071	<	for (int m1y = 0; m1y < nCells_.y(); m1y++) {
1072	<	for (int m1x = 0; m1x < nCells_.x(); m1x++) {
1073	<	Vector3i m1v(m1x, m1y, m1z);
1074	<	int m1 = Vlinear(m1v, nCells_);
1024	<
1025	<	for (vector<Vector3i>::iterator os = cellOffsets_.begin();
1026	<	os != cellOffsets_.end(); ++os) {
1070	>	for (int m1z = 0; m1z < nCells_.z(); m1z++) {
1071	>	for (int m1y = 0; m1y < nCells_.y(); m1y++) {
1072	>	for (int m1x = 0; m1x < nCells_.x(); m1x++) {
1073	>	Vector3i m1v(m1x, m1y, m1z);
1074	>	int m1 = Vlinear(m1v, nCells_);
1075
1076	<	Vector3i m2v = m1v + (*os);
1077	<
1078	<	if (m2v.x() >= nCells_.x()) {
1079	<	m2v.x() = 0;
1080	<	} else if (m2v.x() < 0) {
1081	<	m2v.x() = nCells_.x() - 1;
1082	<	}
1083	<
1084	<	if (m2v.y() >= nCells_.y()) {
1085	<	m2v.y() = 0;
1086	<	} else if (m2v.y() < 0) {
1087	<	m2v.y() = nCells_.y() - 1;
1088	<	}
1089	<
1090	<	if (m2v.z() >= nCells_.z()) {
1091	<	m2v.z() = 0;
1092	<	} else if (m2v.z() < 0) {
1093	<	m2v.z() = nCells_.z() - 1;
1094	<	}
1095	<
1096	<	int m2 = Vlinear (m2v, nCells_);
1097	<
1076	>	for (vector<Vector3i>::iterator os = cellOffsets_.begin();
1077	>	os != cellOffsets_.end(); ++os) {
1078	>
1079	>	Vector3i m2v = m1v + (*os);
1080	>
1081	>	if (m2v.x() >= nCells_.x()) {
1082	>	m2v.x() = 0;
1083	>	} else if (m2v.x() < 0) {
1084	>	m2v.x() = nCells_.x() - 1;
1085	>	}
1086	>
1087	>	if (m2v.y() >= nCells_.y()) {
1088	>	m2v.y() = 0;
1089	>	} else if (m2v.y() < 0) {
1090	>	m2v.y() = nCells_.y() - 1;
1091	>	}
1092	>
1093	>	if (m2v.z() >= nCells_.z()) {
1094	>	m2v.z() = 0;
1095	>	} else if (m2v.z() < 0) {
1096	>	m2v.z() = nCells_.z() - 1;
1097	>	}
1098	>
1099	>	int m2 = Vlinear (m2v, nCells_);
1100	>
1101		#ifdef IS_MPI
1102	<	for (vector<int>::iterator j1 = cellListRow_[m1].begin();
1103	<	j1 != cellListRow_[m1].end(); ++j1) {
1104	<	for (vector<int>::iterator j2 = cellListCol_[m2].begin();
1105	<	j2 != cellListCol_[m2].end(); ++j2) {
1106	<
1107	<	// Always do this if we're in different cells or if
1108	<	// we're in the same cell and the global index of the
1109	<	// j2 cutoff group is less than the j1 cutoff group
1110	<
1111	<	if (m2 != m1 \|\| cgColToGlobal[(j2)] < cgRowToGlobal[(j1)]) {
1112	<	dr = cgColData.position[(j2)] - cgRowData.position[(j1)];
1113	<	snap_->wrapVector(dr);
1114	<	cuts = getGroupCutoffs( (j1), (j2) );
1115	<	if (dr.lengthSquare() < cuts.third) {
1116	<	neighborList.push_back(make_pair((j1), (j2)));
1102	>	for (vector<int>::iterator j1 = cellListRow_[m1].begin();
1103	>	j1 != cellListRow_[m1].end(); ++j1) {
1104	>	for (vector<int>::iterator j2 = cellListCol_[m2].begin();
1105	>	j2 != cellListCol_[m2].end(); ++j2) {
1106	>
1107	>	// Always do this if we're in different cells or if
1108	>	// we're in the same cell and the global index of the
1109	>	// j2 cutoff group is less than the j1 cutoff group
1110	>
1111	>	if (m2 != m1 \|\| cgColToGlobal[(j2)] < cgRowToGlobal[(j1)]) {
1112	>	dr = cgColData.position[(j2)] - cgRowData.position[(j1)];
1113	>	snap_->wrapVector(dr);
1114	>	cuts = getGroupCutoffs( (j1), (j2) );
1115	>	if (dr.lengthSquare() < cuts.third) {
1116	>	neighborList.push_back(make_pair((j1), (j2)));
1117	>	}
1118		}
1119		}
1120		}
1069	–	}
1121		#else
1122	<	for (vector<int>::iterator j1 = cellList_[m1].begin();
1123	<	j1 != cellList_[m1].end(); ++j1) {
1124	<	for (vector<int>::iterator j2 = cellList_[m2].begin();
1125	<	j2 != cellList_[m2].end(); ++j2) {
1126	<
1127	<	// Always do this if we're in different cells or if
1128	<	// we're in the same cell and the global index of the
1129	<	// j2 cutoff group is less than the j1 cutoff group
1130	<
1131	<	if (m2 != m1 \|\| (j2) < (j1)) {
1132	<	dr = snap_->cgData.position[(j2)] - snap_->cgData.position[(j1)];
1133	<	snap_->wrapVector(dr);
1134	<	cuts = getGroupCutoffs( (j1), (j2) );
1135	<	if (dr.lengthSquare() < cuts.third) {
1136	<	neighborList.push_back(make_pair((j1), (j2)));
1122	>
1123	>	for (vector<int>::iterator j1 = cellList_[m1].begin();
1124	>	j1 != cellList_[m1].end(); ++j1) {
1125	>	for (vector<int>::iterator j2 = cellList_[m2].begin();
1126	>	j2 != cellList_[m2].end(); ++j2) {
1127	>
1128	>	// Always do this if we're in different cells or if
1129	>	// we're in the same cell and the global index of the
1130	>	// j2 cutoff group is less than the j1 cutoff group
1131	>
1132	>	if (m2 != m1 \|\| (j2) < (j1)) {
1133	>	dr = snap_->cgData.position[(j2)] - snap_->cgData.position[(j1)];
1134	>	snap_->wrapVector(dr);
1135	>	cuts = getGroupCutoffs( (j1), (j2) );
1136	>	if (dr.lengthSquare() < cuts.third) {
1137	>	neighborList.push_back(make_pair((j1), (j2)));
1138	>	}
1139		}
1140		}
1141		}
1089	–	}
1142		#endif
1143	+	}
1144		}
1145		}
1146		}
1147	+	} else {
1148	+	// branch to do all cutoff group pairs
1149	+	#ifdef IS_MPI
1150	+	for (int j1 = 0; j1 < nGroupsInRow_; j1++) {
1151	+	for (int j2 = 0; j2 < nGroupsInCol_; j2++) {
1152	+	dr = cgColData.position[j2] - cgRowData.position[j1];
1153	+	snap_->wrapVector(dr);
1154	+	cuts = getGroupCutoffs( j1, j2 );
1155	+	if (dr.lengthSquare() < cuts.third) {
1156	+	neighborList.push_back(make_pair(j1, j2));
1157	+	}
1158	+	}
1159	+	}
1160	+	#else
1161	+	for (int j1 = 0; j1 < nGroups_ - 1; j1++) {
1162	+	for (int j2 = j1 + 1; j2 < nGroups_; j2++) {
1163	+	dr = snap_->cgData.position[j2] - snap_->cgData.position[j1];
1164	+	snap_->wrapVector(dr);
1165	+	cuts = getGroupCutoffs( j1, j2 );
1166	+	if (dr.lengthSquare() < cuts.third) {
1167	+	neighborList.push_back(make_pair(j1, j2));
1168	+	}
1169	+	}
1170	+	}
1171	+	#endif
1172		}
1173	<
1173	>
1174		// save the local cutoff group positions for the check that is
1175		// done on each loop:
1176		saved_CG_positions_.clear();
1177		for (int i = 0; i < nGroups_; i++)
1178		saved_CG_positions_.push_back(snap_->cgData.position[i]);
1179	<
1179	>
1180		return neighborList;
1181		}
1182		} //end namespace OpenMD

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Comparing branches/development/src/parallel/ForceMatrixDecomposition.cpp (file contents): Revision 1579 by gezelter, Thu Jun 9 20:26:29 2011 UTC vs. Revision 1589 by gezelter, Sun Jul 10 16:05:34 2011 UTC

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Comparing branches/development/src/parallel/ForceMatrixDecomposition.cpp (file contents):
Revision 1579 by gezelter, Thu Jun 9 20:26:29 2011 UTC vs.
Revision 1589 by gezelter, Sun Jul 10 16:05:34 2011 UTC