# | Line 36 | Line 36 | |
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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 | #include "parallel/ForceMatrixDecomposition.hpp" | |
43 | #include "math/SquareMatrix3.hpp" | |
# | Line 247 | Line 248 | namespace OpenMD { | |
248 | for (int j = 0; j < nLocal_; j++) { | |
249 | int jglob = AtomLocalToGlobal[j]; | |
250 | ||
251 | < | if (excludes->hasPair(iglob, jglob)) |
251 | > | if (excludes->hasPair(iglob, jglob)) |
252 | excludesForAtom[i].push_back(j); | |
253 | ||
253 | – | |
254 | if (oneTwo->hasPair(iglob, jglob)) { | |
255 | toposForAtom[i].push_back(j); | |
256 | topoDist[i].push_back(1); | |
# | Line 523 | Line 523 | namespace OpenMD { | |
523 | atomRowData.skippedCharge.end(), 0.0); | |
524 | fill(atomColData.skippedCharge.begin(), | |
525 | atomColData.skippedCharge.end(), 0.0); | |
526 | + | } |
527 | + | |
528 | + | if (storageLayout_ & DataStorage::dslFlucQForce) { |
529 | + | fill(atomRowData.flucQFrc.begin(), |
530 | + | atomRowData.flucQFrc.end(), 0.0); |
531 | + | fill(atomColData.flucQFrc.begin(), |
532 | + | atomColData.flucQFrc.end(), 0.0); |
533 | + | } |
534 | + | |
535 | + | if (storageLayout_ & DataStorage::dslElectricField) { |
536 | + | fill(atomRowData.electricField.begin(), |
537 | + | atomRowData.electricField.end(), V3Zero); |
538 | + | fill(atomColData.electricField.begin(), |
539 | + | atomColData.electricField.end(), V3Zero); |
540 | + | } |
541 | + | |
542 | + | if (storageLayout_ & DataStorage::dslFlucQForce) { |
543 | + | fill(atomRowData.flucQFrc.begin(), atomRowData.flucQFrc.end(), |
544 | + | 0.0); |
545 | + | fill(atomColData.flucQFrc.begin(), atomColData.flucQFrc.end(), |
546 | + | 0.0); |
547 | } | |
548 | ||
549 | #endif | |
# | Line 537 | Line 558 | namespace OpenMD { | |
558 | fill(snap_->atomData.density.begin(), | |
559 | snap_->atomData.density.end(), 0.0); | |
560 | } | |
561 | + | |
562 | if (storageLayout_ & DataStorage::dslFunctional) { | |
563 | fill(snap_->atomData.functional.begin(), | |
564 | snap_->atomData.functional.end(), 0.0); | |
565 | } | |
566 | + | |
567 | if (storageLayout_ & DataStorage::dslFunctionalDerivative) { | |
568 | fill(snap_->atomData.functionalDerivative.begin(), | |
569 | snap_->atomData.functionalDerivative.end(), 0.0); | |
570 | } | |
571 | + | |
572 | if (storageLayout_ & DataStorage::dslSkippedCharge) { | |
573 | fill(snap_->atomData.skippedCharge.begin(), | |
574 | snap_->atomData.skippedCharge.end(), 0.0); | |
575 | } | |
576 | < | |
576 | > | |
577 | > | if (storageLayout_ & DataStorage::dslElectricField) { |
578 | > | fill(snap_->atomData.electricField.begin(), |
579 | > | snap_->atomData.electricField.end(), V3Zero); |
580 | > | } |
581 | } | |
582 | ||
583 | ||
# | Line 587 | Line 615 | namespace OpenMD { | |
615 | atomRowData.electroFrame); | |
616 | AtomPlanMatrixColumn->gather(snap_->atomData.electroFrame, | |
617 | atomColData.electroFrame); | |
618 | + | } |
619 | + | |
620 | + | // if needed, gather the atomic fluctuating charge values |
621 | + | if (storageLayout_ & DataStorage::dslFlucQPosition) { |
622 | + | AtomPlanRealRow->gather(snap_->atomData.flucQPos, |
623 | + | atomRowData.flucQPos); |
624 | + | AtomPlanRealColumn->gather(snap_->atomData.flucQPos, |
625 | + | atomColData.flucQPos); |
626 | } | |
627 | ||
628 | #endif | |
# | Line 611 | Line 647 | namespace OpenMD { | |
647 | for (int i = 0; i < n; i++) | |
648 | snap_->atomData.density[i] += rho_tmp[i]; | |
649 | } | |
650 | + | |
651 | + | if (storageLayout_ & DataStorage::dslElectricField) { |
652 | + | |
653 | + | AtomPlanVectorRow->scatter(atomRowData.electricField, |
654 | + | snap_->atomData.electricField); |
655 | + | |
656 | + | int n = snap_->atomData.electricField.size(); |
657 | + | vector<Vector3d> field_tmp(n, V3Zero); |
658 | + | AtomPlanVectorColumn->scatter(atomColData.electricField, field_tmp); |
659 | + | for (int i = 0; i < n; i++) |
660 | + | snap_->atomData.electricField[i] += field_tmp[i]; |
661 | + | } |
662 | #endif | |
663 | } | |
664 | ||
# | Line 690 | Line 738 | namespace OpenMD { | |
738 | ||
739 | } | |
740 | ||
741 | + | if (storageLayout_ & DataStorage::dslFlucQForce) { |
742 | + | |
743 | + | int nq = snap_->atomData.flucQFrc.size(); |
744 | + | vector<RealType> fqfrc_tmp(nq, 0.0); |
745 | + | |
746 | + | AtomPlanRealRow->scatter(atomRowData.flucQFrc, fqfrc_tmp); |
747 | + | for (int i = 0; i < nq; i++) { |
748 | + | snap_->atomData.flucQFrc[i] += fqfrc_tmp[i]; |
749 | + | fqfrc_tmp[i] = 0.0; |
750 | + | } |
751 | + | |
752 | + | AtomPlanRealColumn->scatter(atomColData.flucQFrc, fqfrc_tmp); |
753 | + | for (int i = 0; i < nq; i++) |
754 | + | snap_->atomData.flucQFrc[i] += fqfrc_tmp[i]; |
755 | + | |
756 | + | } |
757 | + | |
758 | nLocal_ = snap_->getNumberOfAtoms(); | |
759 | ||
760 | vector<potVec> pot_temp(nLocal_, | |
# | Line 836 | Line 901 | namespace OpenMD { | |
901 | */ | |
902 | bool ForceMatrixDecomposition::skipAtomPair(int atom1, int atom2) { | |
903 | int unique_id_1, unique_id_2; | |
904 | < | |
904 | > | |
905 | #ifdef IS_MPI | |
906 | // in MPI, we have to look up the unique IDs for each atom | |
907 | unique_id_1 = AtomRowToGlobal[atom1]; | |
908 | unique_id_2 = AtomColToGlobal[atom2]; | |
909 | + | #else |
910 | + | unique_id_1 = AtomLocalToGlobal[atom1]; |
911 | + | unique_id_2 = AtomLocalToGlobal[atom2]; |
912 | + | #endif |
913 | ||
845 | – | // this situation should only arise in MPI simulations |
914 | if (unique_id_1 == unique_id_2) return true; | |
915 | < | |
915 | > | |
916 | > | #ifdef IS_MPI |
917 | // this prevents us from doing the pair on multiple processors | |
918 | if (unique_id_1 < unique_id_2) { | |
919 | if ((unique_id_1 + unique_id_2) % 2 == 0) return true; | |
920 | } else { | |
921 | < | if ((unique_id_1 + unique_id_2) % 2 == 1) return true; |
921 | > | if ((unique_id_1 + unique_id_2) % 2 == 1) return true; |
922 | } | |
923 | #endif | |
924 | + | |
925 | return false; | |
926 | } | |
927 | ||
# | Line 871 | Line 941 | namespace OpenMD { | |
941 | ||
942 | for (vector<int>::iterator i = excludesForAtom[atom1].begin(); | |
943 | i != excludesForAtom[atom1].end(); ++i) { | |
944 | < | if ( (*i) == atom2 ) return true; |
944 | > | if ( (*i) == atom2 ) return true; |
945 | } | |
946 | ||
947 | return false; | |
# | Line 945 | Line 1015 | namespace OpenMD { | |
1015 | idat.skippedCharge2 = &(atomColData.skippedCharge[atom2]); | |
1016 | } | |
1017 | ||
1018 | + | if (storageLayout_ & DataStorage::dslFlucQPosition) { |
1019 | + | idat.flucQ1 = &(atomRowData.flucQPos[atom1]); |
1020 | + | idat.flucQ2 = &(atomColData.flucQPos[atom2]); |
1021 | + | } |
1022 | + | |
1023 | #else | |
1024 | + | |
1025 | ||
1026 | + | // cerr << "atoms = " << atom1 << " " << atom2 << "\n"; |
1027 | + | // cerr << "pos1 = " << snap_->atomData.position[atom1] << "\n"; |
1028 | + | // cerr << "pos2 = " << snap_->atomData.position[atom2] << "\n"; |
1029 | + | |
1030 | idat.atypes = make_pair( atypesLocal[atom1], atypesLocal[atom2]); | |
1031 | //idat.atypes = make_pair( ff_->getAtomType(idents[atom1]), | |
1032 | // ff_->getAtomType(idents[atom2]) ); | |
# | Line 990 | Line 1070 | namespace OpenMD { | |
1070 | idat.skippedCharge1 = &(snap_->atomData.skippedCharge[atom1]); | |
1071 | idat.skippedCharge2 = &(snap_->atomData.skippedCharge[atom2]); | |
1072 | } | |
1073 | + | |
1074 | + | if (storageLayout_ & DataStorage::dslFlucQPosition) { |
1075 | + | idat.flucQ1 = &(snap_->atomData.flucQPos[atom1]); |
1076 | + | idat.flucQ2 = &(snap_->atomData.flucQPos[atom2]); |
1077 | + | } |
1078 | + | |
1079 | #endif | |
1080 | } | |
1081 | ||
1082 | ||
1083 | void ForceMatrixDecomposition::unpackInteractionData(InteractionData &idat, int atom1, int atom2) { | |
1084 | #ifdef IS_MPI | |
1085 | < | pot_row[atom1] += 0.5 * *(idat.pot); |
1086 | < | pot_col[atom2] += 0.5 * *(idat.pot); |
1085 | > | pot_row[atom1] += RealType(0.5) * *(idat.pot); |
1086 | > | pot_col[atom2] += RealType(0.5) * *(idat.pot); |
1087 | ||
1088 | atomRowData.force[atom1] += *(idat.f1); | |
1089 | atomColData.force[atom2] -= *(idat.f1); | |
1090 | + | |
1091 | + | if (storageLayout_ & DataStorage::dslFlucQForce) { |
1092 | + | atomRowData.flucQFrc[atom1] += *(idat.dVdFQ1); |
1093 | + | atomColData.flucQFrc[atom2] += *(idat.dVdFQ2); |
1094 | + | } |
1095 | + | |
1096 | + | if (storageLayout_ & DataStorage::dslElectricField) { |
1097 | + | atomRowData.electricField[atom1] += *(idat.eField1); |
1098 | + | atomColData.electricField[atom2] += *(idat.eField2); |
1099 | + | } |
1100 | + | |
1101 | + | // should particle pot be done here also? |
1102 | #else | |
1103 | pairwisePot += *(idat.pot); | |
1104 | ||
1105 | snap_->atomData.force[atom1] += *(idat.f1); | |
1106 | snap_->atomData.force[atom2] -= *(idat.f1); | |
1107 | + | |
1108 | + | if (idat.doParticlePot) { |
1109 | + | snap_->atomData.particlePot[atom1] += *(idat.vpair) * *(idat.sw); |
1110 | + | snap_->atomData.particlePot[atom2] -= *(idat.vpair) * *(idat.sw); |
1111 | + | } |
1112 | + | |
1113 | + | if (storageLayout_ & DataStorage::dslFlucQForce) { |
1114 | + | snap_->atomData.flucQFrc[atom1] += *(idat.dVdFQ1); |
1115 | + | snap_->atomData.flucQFrc[atom2] -= *(idat.dVdFQ2); |
1116 | + | } |
1117 | + | |
1118 | + | if (storageLayout_ & DataStorage::dslElectricField) { |
1119 | + | snap_->atomData.electricField[atom1] += *(idat.eField1); |
1120 | + | snap_->atomData.electricField[atom2] += *(idat.eField2); |
1121 | + | } |
1122 | + | |
1123 | #endif | |
1124 | ||
1125 | } | |
# | Line 1190 | Line 1304 | namespace OpenMD { | |
1304 | } | |
1305 | } | |
1306 | #else | |
1193 | – | |
1307 | for (vector<int>::iterator j1 = cellList_[m1].begin(); | |
1308 | j1 != cellList_[m1].end(); ++j1) { | |
1309 | for (vector<int>::iterator j2 = cellList_[m2].begin(); | |
1310 | j2 != cellList_[m2].end(); ++j2) { | |
1311 | < | |
1311 | > | |
1312 | // Always do this if we're in different cells or if | |
1313 | < | // we're in the same cell and the global index of the |
1314 | < | // j2 cutoff group is less than the j1 cutoff group |
1315 | < | |
1316 | < | if (m2 != m1 || (*j2) < (*j1)) { |
1313 | > | // we're in the same cell and the global index of |
1314 | > | // the j2 cutoff group is greater than or equal to |
1315 | > | // the j1 cutoff group. Note that Rappaport's code |
1316 | > | // has a "less than" conditional here, but that |
1317 | > | // deals with atom-by-atom computation. OpenMD |
1318 | > | // allows atoms within a single cutoff group to |
1319 | > | // interact with each other. |
1320 | > | |
1321 | > | |
1322 | > | |
1323 | > | if (m2 != m1 || (*j2) >= (*j1) ) { |
1324 | > | |
1325 | dr = snap_->cgData.position[(*j2)] - snap_->cgData.position[(*j1)]; | |
1326 | snap_->wrapVector(dr); | |
1327 | cuts = getGroupCutoffs( (*j1), (*j2) ); | |
# | Line 1219 | Line 1340 | namespace OpenMD { | |
1340 | // branch to do all cutoff group pairs | |
1341 | #ifdef IS_MPI | |
1342 | for (int j1 = 0; j1 < nGroupsInRow_; j1++) { | |
1343 | < | for (int j2 = 0; j2 < nGroupsInCol_; j2++) { |
1343 | > | for (int j2 = 0; j2 < nGroupsInCol_; j2++) { |
1344 | dr = cgColData.position[j2] - cgRowData.position[j1]; | |
1345 | snap_->wrapVector(dr); | |
1346 | cuts = getGroupCutoffs( j1, j2 ); | |
# | Line 1227 | Line 1348 | namespace OpenMD { | |
1348 | neighborList.push_back(make_pair(j1, j2)); | |
1349 | } | |
1350 | } | |
1351 | < | } |
1351 | > | } |
1352 | #else | |
1353 | < | for (int j1 = 0; j1 < nGroups_ - 1; j1++) { |
1354 | < | for (int j2 = j1 + 1; j2 < nGroups_; j2++) { |
1353 | > | // include all groups here. |
1354 | > | for (int j1 = 0; j1 < nGroups_; j1++) { |
1355 | > | // include self group interactions j2 == j1 |
1356 | > | for (int j2 = j1; j2 < nGroups_; j2++) { |
1357 | dr = snap_->cgData.position[j2] - snap_->cgData.position[j1]; | |
1358 | snap_->wrapVector(dr); | |
1359 | cuts = getGroupCutoffs( j1, j2 ); | |
1360 | if (dr.lengthSquare() < cuts.third) { | |
1361 | neighborList.push_back(make_pair(j1, j2)); | |
1362 | } | |
1363 | < | } |
1364 | < | } |
1363 | > | } |
1364 | > | } |
1365 | #endif | |
1366 | } | |
1367 |
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