129 using xdMV = Xpetra::MultiVector<typename Teuchos::ScalarTraits<Scalar>::coordinateType,LO,GO,NO>;
131 GetOStream(
Runtime0) <<
"Transferring coordinates" << std::endl;
134 RCP<xdMV> coarseCoords;
135 RCP<xdMV> fineCoords;
136 Array<GO> gCoarseNodesPerDir;
137 Array<LO> lCoarseNodesPerDir;
139 const ParameterList& pL = GetParameterList();
141 if(pL.get<
bool>(
"hybrid aggregation") ==
true) {
142 std::string regionType = Get<std::string>(fineLevel,
"aggregationRegionTypeCoarse");
143 numDimensions = Get<int>(fineLevel,
"numDimensions");
144 lCoarseNodesPerDir = Get<Array<LO> >(fineLevel,
"lCoarseNodesPerDim");
145 Set<std::string>(coarseLevel,
"aggregationRegionType", regionType);
146 Set<int> (coarseLevel,
"numDimensions", numDimensions);
147 Set<Array<LO> > (coarseLevel,
"lNodesPerDim", lCoarseNodesPerDir);
149 if((pL.get<
bool>(
"interface aggregation") ==
true) && (regionType ==
"uncoupled")) {
150 Array<LO> coarseInterfacesDimensions = Get<Array<LO> >(fineLevel,
"coarseInterfacesDimensions");
151 Array<LO> nodeOnCoarseInterface = Get<Array<LO> >(fineLevel,
"nodeOnCoarseInterface");
152 Set<Array<LO> >(coarseLevel,
"interfacesDimensions", coarseInterfacesDimensions);
153 Set<Array<LO> >(coarseLevel,
"nodeOnInterface", nodeOnCoarseInterface);
156 }
else if(pL.get<
bool>(
"structured aggregation") ==
true) {
157 if(pL.get<
bool>(
"aggregation coupled") ==
true) {
158 gCoarseNodesPerDir = Get<Array<GO> >(fineLevel,
"gCoarseNodesPerDim");
159 Set<Array<GO> >(coarseLevel,
"gNodesPerDim", gCoarseNodesPerDir);
161 lCoarseNodesPerDir = Get<Array<LO> >(fineLevel,
"lCoarseNodesPerDim");
162 Set<Array<LO> >(coarseLevel,
"lNodesPerDim", lCoarseNodesPerDir);
163 numDimensions = Get<int>(fineLevel,
"numDimensions");
164 Set<int>(coarseLevel,
"numDimensions", numDimensions);
166 }
else if(pL.get<
bool>(
"Geometric") ==
true) {
167 coarseCoords = Get<RCP<xdMV> >(coarseLevel,
"coarseCoordinates");
168 gCoarseNodesPerDir = Get<Array<GO> >(coarseLevel,
"gCoarseNodesPerDim");
169 lCoarseNodesPerDir = Get<Array<LO> >(coarseLevel,
"lCoarseNodesPerDim");
170 Set<Array<GO> >(coarseLevel,
"gNodesPerDim", gCoarseNodesPerDir);
171 Set<Array<LO> >(coarseLevel,
"lNodesPerDim", lCoarseNodesPerDir);
173 Set<RCP<xdMV> >(coarseLevel,
"Coordinates", coarseCoords);
176 if (coarseLevel.
IsAvailable(
"Coordinates",
this)) {
177 GetOStream(
Runtime0) <<
"Reusing coordinates" << std::endl;
181 RCP<Aggregates> aggregates = Get< RCP<Aggregates> > (fineLevel,
"Aggregates");
182 fineCoords = Get< RCP<xdMV> >(fineLevel,
"Coordinates");
183 RCP<const Map> coarseMap = Get< RCP<const Map> > (fineLevel,
"CoarseMap");
189 ArrayView<const GO> elementAList = coarseMap->getLocalElementList();
192 if (rcp_dynamic_cast<const StridedMap>(coarseMap) != Teuchos::null)
193 blkSize = rcp_dynamic_cast<const StridedMap>(coarseMap)->getFixedBlockSize();
195 GO indexBase = coarseMap->getIndexBase();
196 size_t numElements = elementAList.size() / blkSize;
197 Array<GO> elementList(numElements);
200 for (LO i = 0; i < Teuchos::as<LO>(numElements); i++)
201 elementList[i] = (elementAList[i*blkSize]-indexBase)/blkSize + indexBase;
203 RCP<const Map> uniqueMap = fineCoords->getMap();
204 RCP<const Map> coarseCoordMap = MapFactory ::Build(coarseMap->lib(), Teuchos::OrdinalTraits<Xpetra::global_size_t>::invalid(), elementList, indexBase, coarseMap->getComm());
205 coarseCoords = Xpetra::MultiVectorFactory<typename Teuchos::ScalarTraits<Scalar>::coordinateType,LO,GO,NO>::Build(coarseCoordMap, fineCoords->getNumVectors());
208 RCP<xdMV> ghostedCoords = fineCoords;
209 if (aggregates->AggregatesCrossProcessors()) {
210 RCP<const Map> nonUniqueMap = aggregates->GetMap();
211 RCP<const Import> importer = ImportFactory::Build(uniqueMap, nonUniqueMap);
213 ghostedCoords = Xpetra::MultiVectorFactory<typename Teuchos::ScalarTraits<Scalar>::coordinateType,LO,GO,NO>::Build(nonUniqueMap, fineCoords->getNumVectors());
214 ghostedCoords->doImport(*fineCoords, *importer, Xpetra::INSERT);
218 int myPID = uniqueMap->getComm()->getRank();
219 LO numAggs = aggregates->GetNumAggregates();
220 ArrayRCP<LO> aggSizes = aggregates->ComputeAggregateSizes();
221 const ArrayRCP<const LO> vertex2AggID = aggregates->GetVertex2AggId()->getData(0);
222 const ArrayRCP<const LO> procWinner = aggregates->GetProcWinner()->getData(0);
225 for (
size_t j = 0; j < fineCoords->getNumVectors(); j++) {
226 ArrayRCP<const typename Teuchos::ScalarTraits<Scalar>::coordinateType> fineCoordsData = ghostedCoords->getData(j);
227 ArrayRCP<typename Teuchos::ScalarTraits<Scalar>::coordinateType> coarseCoordsData = coarseCoords->getDataNonConst(j);
229 for (LO lnode = 0; lnode < vertex2AggID.size(); lnode++) {
230 if (procWinner[lnode] == myPID &&
231 lnode < vertex2AggID.size() &&
232 lnode < fineCoordsData.size() &&
233 vertex2AggID[lnode] < coarseCoordsData.size() &&
234 Teuchos::ScalarTraits<
typename Teuchos::ScalarTraits<Scalar>::coordinateType>::isnaninf(fineCoordsData[lnode]) ==
false) {
235 coarseCoordsData[vertex2AggID[lnode]] += fineCoordsData[lnode];
238 for (LO agg = 0; agg < numAggs; agg++) {
239 coarseCoordsData[agg] /= aggSizes[agg];
243 Set<RCP<xdMV> >(coarseLevel,
"Coordinates", coarseCoords);
246 int writeStart = pL.get<
int>(
"write start"), writeEnd = pL.get<
int>(
"write end");
247 if (writeStart == 0 && fineLevel.
GetLevelID() == 0 && writeStart <= writeEnd) {
248 std::ostringstream buf;
250 std::string fileName =
"coordinates_before_rebalance_level_" + buf.str() +
".m";
251 Xpetra::IO<typename Teuchos::ScalarTraits<Scalar>::coordinateType,LO,GO,NO>::Write(fileName,*fineCoords);
254 std::ostringstream buf;
256 std::string fileName =
"coordinates_before_rebalance_level_" + buf.str() +
".m";
257 Xpetra::IO<typename Teuchos::ScalarTraits<Scalar>::coordinateType,LO,GO,NO>::Write(fileName,*coarseCoords);