46#ifndef MUELU_REBALANCEACFACTORY_DEF_HPP
47#define MUELU_REBALANCEACFACTORY_DEF_HPP
49#include <Xpetra_Matrix.hpp>
50#include <Xpetra_CrsMatrix.hpp>
51#include <Xpetra_CrsMatrixWrap.hpp>
52#include <Xpetra_MatrixFactory.hpp>
58#include "MueLu_PerfUtils.hpp"
59#include "MueLu_RAPFactory.hpp"
63 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
65 RCP<ParameterList> validParamList = rcp(
new ParameterList());
67#define SET_VALID_ENTRY(name) validParamList->setEntry(name, MasterList::getEntry(name))
72 validParamList->set< RCP<const FactoryBase> >(
"A", Teuchos::null,
"Generating factory of the matrix A for rebalancing");
73 validParamList->set< RCP<const FactoryBase> >(
"Importer", Teuchos::null,
"Generating factory of the importer");
74 validParamList->set< RCP<const FactoryBase> >(
"InPlaceMap", Teuchos::null,
"Generating factory of the InPlaceMap");
76 return validParamList;
79 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
81 Input(coarseLevel,
"A");
82 const Teuchos::ParameterList & pL = GetParameterList();
83 if(pL.isParameter(
"repartition: use subcommunicators in place") && pL.get<
bool>(
"repartition: use subcommunicators in place")==
true) {
84 Input(coarseLevel,
"InPlaceMap");
87 Input(coarseLevel,
"Importer");
90 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
94 const Teuchos::ParameterList & pL = GetParameterList();
95 RCP<Matrix> originalAc = Get< RCP<Matrix> >(coarseLevel,
"A");
99 bool inPlace = pL.get<
bool>(
"repartition: use subcommunicators in place");
102 RCP<const Map> newMap = Get< RCP<const Map> >(coarseLevel,
"InPlaceMap");
104 originalAc->removeEmptyProcessesInPlace(newMap);
107 if(newMap.is_null()) originalAc = Teuchos::null;
109 Set(coarseLevel,
"A", originalAc);
114 RCP<const Import> rebalanceImporter = Get< RCP<const Import> >(coarseLevel,
"Importer");
116 if (rebalanceImporter != Teuchos::null) {
117 RCP<Matrix> rebalancedAc;
120 RCP<const Map> targetMap = rebalanceImporter->getTargetMap();
122 ParameterList XpetraList;
123 if (pL.get<
bool>(
"repartition: use subcommunicators") ==
true) {
124 GetOStream(
Runtime0) <<
"Replacing maps with a subcommunicator" << std::endl;
125 XpetraList.set(
"Restrict Communicator",
true);
128 XpetraList.set(
"Timer Label",
"MueLu::RebalanceAc-" + Teuchos::toString(coarseLevel.
GetLevelID()));
129 rebalancedAc = MatrixFactory::Build(originalAc, *rebalanceImporter, *rebalanceImporter, targetMap, targetMap, rcp(&XpetraList,
false));
131 if (!rebalancedAc.is_null()) {
132 rebalancedAc->SetFixedBlockSize(originalAc->GetFixedBlockSize());
133 std::ostringstream oss; oss <<
"A_" << coarseLevel.
GetLevelID(); rebalancedAc->setObjectLabel(oss.str());
135 Set(coarseLevel,
"A", rebalancedAc);
137 if (!rebalancedAc.is_null() && IsPrint(
Statistics2)) {
138 int oldRank = SetProcRankVerbose(rebalancedAc->getRowMap()->getComm()->getRank());
140 RCP<ParameterList> params = rcp(
new ParameterList());
141 params->set(
"printLoadBalancingInfo",
true);
142 params->set(
"printCommInfo",
true);
145 SetProcRankVerbose(oldRank);
150 GetOStream(
Runtime1) <<
"No rebalancing" << std::endl;
151 Set(coarseLevel,
"A", originalAc);
154 if (rebalanceFacts_.begin() != rebalanceFacts_.end()) {
158 for (std::vector<RCP<const FactoryBase> >::const_iterator it = rebalanceFacts_.begin(); it != rebalanceFacts_.end(); ++it) {
159 GetOStream(
Runtime0) <<
"RebalanceAc: call rebalance factory " << (*it).get() <<
": " << (*it)->description() << std::endl;
160 (*it)->CallBuild(coarseLevel);
166 template <
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
173 rebalanceFacts_.push_back(factory);
#define SET_VALID_ENTRY(name)
Timer to be used in factories. Similar to Monitor but with additional timers.
Class that holds all level-specific information.
int GetLevelID() const
Return level number.
static std::string PrintMatrixInfo(const Matrix &A, const std::string &msgTag, RCP< const Teuchos::ParameterList > params=Teuchos::null)
void AddRebalanceFactory(const RCP< const FactoryBase > &factory)
Add rebalancing factory in the end of list of rebalancing factories in RebalanceAcFactory.
void Build(Level &fineLevel, Level &coarseLevel) const
Build an object with this factory.
RCP< const ParameterList > GetValidParameterList() const
Return a const parameter list of valid parameters that setParameterList() will accept.
void DeclareInput(Level &fineLevel, Level &coarseLevel) const
Input.
Timer to be used in factories. Similar to SubMonitor but adds a timer level by level.
Namespace for MueLu classes and methods.
@ Statistics2
Print even more statistics.
@ Runtime0
One-liner description of what is happening.
@ Runtime1
Description of what is happening (more verbose)