| 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" |
| 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); |
| 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 |
| 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 |
|
|
| 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 |
| 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 |
|
|
| 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_, |
| 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 |
|
|
| 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; |
| 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]) ); |
| 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 |
|
} |
| 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) ); |
| 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 ); |
| 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 |
|
|