46 #ifndef MUELU_COORDINATESTRANSFER_FACTORY_DEF_HPP 47 #define MUELU_COORDINATESTRANSFER_FACTORY_DEF_HPP 49 #include "Xpetra_ImportFactory.hpp" 50 #include "Xpetra_MultiVectorFactory.hpp" 51 #include "Xpetra_MapFactory.hpp" 52 #include "Xpetra_IO.hpp" 54 #include "MueLu_CoarseMapFactory.hpp" 55 #include "MueLu_Aggregates.hpp" 64 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
71 validParamList->
set<
int > (
"write start", -1,
"first level at which coordinates should be written to file");
72 validParamList->
set<
int > (
"write end", -1,
"last level at which coordinates should be written to file");
74 return validParamList;
77 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
79 static bool isAvailableCoords =
false;
82 isAvailableCoords = coarseLevel.
IsAvailable(
"Coordinates",
this);
84 if (isAvailableCoords ==
false) {
85 Input(fineLevel,
"Coordinates");
86 Input(fineLevel,
"Aggregates");
87 Input(fineLevel,
"CoarseMap");
91 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
95 typedef Xpetra::MultiVector<double,LO,GO,NO> xdMV;
97 GetOStream(
Runtime0) <<
"Transferring coordinates" << std::endl;
100 GetOStream(
Runtime0) <<
"Reusing coordinates" << std::endl;
104 RCP<Aggregates> aggregates = Get< RCP<Aggregates> > (fineLevel,
"Aggregates");
105 RCP<xdMV> fineCoords = Get< RCP<xdMV> >(fineLevel,
"Coordinates");
106 RCP<const Map> coarseMap = Get< RCP<const Map> > (fineLevel,
"CoarseMap");
114 if (rcp_dynamic_cast<const StridedMap>(coarseMap) != Teuchos::null)
115 blkSize = rcp_dynamic_cast<
const StridedMap>(coarseMap)->getFixedBlockSize();
117 GO indexBase = coarseMap->getIndexBase();
118 size_t numElements = elementAList.size() / blkSize;
122 for (LO i = 0; i < Teuchos::as<LO>(numElements); i++)
123 elementList[i] = (elementAList[i*blkSize]-indexBase)/blkSize + indexBase;
127 RCP<xdMV> coarseCoords = Xpetra::MultiVectorFactory<double,LO,GO,NO>::Build(coarseCoordMap, fineCoords->getNumVectors());
135 ghostedCoords = Xpetra::MultiVectorFactory<double,LO,GO,NO>::Build(nonUniqueMap, fineCoords->getNumVectors());
136 ghostedCoords->doImport(*fineCoords, *importer, Xpetra::INSERT);
140 int myPID = uniqueMap->getComm()->getRank();
147 for (
size_t j = 0; j < fineCoords->getNumVectors(); j++) {
151 for (LO lnode = 0; lnode < vertex2AggID.
size(); lnode++)
152 if (procWinner[lnode] == myPID)
153 coarseCoordsData[vertex2AggID[lnode]] += fineCoordsData[lnode];
155 for (LO agg = 0; agg < numAggs; agg++)
156 coarseCoordsData[agg] /= aggSizes[agg];
159 Set<RCP<xdMV> >(coarseLevel,
"Coordinates", coarseCoords);
162 int writeStart = pL.get<
int>(
"write start"), writeEnd = pL.get<
int>(
"write end");
163 if (writeStart == 0 && fineLevel.GetLevelID() == 0 && writeStart <= writeEnd) {
164 std::ostringstream buf;
165 buf << fineLevel.GetLevelID();
166 std::string fileName =
"coordinates_before_rebalance_level_" + buf.str() +
".m";
167 Xpetra::IO<double,LO,GO,NO>::Write(fileName,*fineCoords);
169 if (writeStart <= coarseLevel.GetLevelID() && coarseLevel.GetLevelID() <= writeEnd) {
170 std::ostringstream buf;
171 buf << coarseLevel.GetLevelID();
172 std::string fileName =
"coordinates_before_rebalance_level_" + buf.str() +
".m";
173 Xpetra::IO<double,LO,GO,NO>::Write(fileName,*coarseCoords);
179 #endif // MUELU_COORDINATESTRANSFER_FACTORY_DEF_HPP
ParameterList & set(std::string const &name, T const &value, std::string const &docString="", RCP< const ParameterEntryValidator > const &validator=null)
RequestMode GetRequestMode() const
Timer to be used in factories. Similar to Monitor but with additional timers.
One-liner description of what is happening.
Namespace for MueLu classes and methods.
void DeclareInput(Level &finelevel, Level &coarseLevel) const
Specifies the data that this class needs, and the factories that generate that data.
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
const RCP< LOVector > & GetVertex2AggId() const
Returns constant vector that maps local node IDs to local aggregates IDs.
Class that holds all level-specific information.
void Build(Level &fineLevel, Level &coarseLevel) const
Build an object with this factory.
const RCP< const Map > GetMap() const
returns (overlapping) map of aggregate/node distribution
LO GetNumAggregates() const
returns the number of aggregates of the current processor. Note: could/should be renamed to GetNumLoc...
bool IsAvailable(const std::string &ename, const FactoryBase *factory=NoFactory::get()) const
Test whether a need's value has been saved.
const RCP< LOVector > & GetProcWinner() const
Returns constant vector that maps local node IDs to owning processor IDs.
void AggregatesCrossProcessors(const bool &flag)
Record whether aggregates include DOFs from other processes.
RCP< const ParameterList > GetValidParameterList() const
Return a const parameter list of valid parameters that setParameterList() will accept.
Teuchos::ArrayRCP< LO > ComputeAggregateSizes(bool forceRecompute=true, bool cacheSizes=false) const
Compute sizes of aggregates.