void WriteData(Hierarchy & H, Teuchos::Array<int> const &data, std::string const &name) const { for (int i=0; i<data.size(); ++i) { std::ostringstream buf; buf << data[i]; std::string fileName = name + "_" + buf.str() + ".m"; if (data[i] < H.GetNumLevels()) { RCP<Level> L = H.GetLevel(data[i]); if (L->IsAvailable(name)) { RCP<T> M = L-> template Get< RCP<T> >(name); if ( !( M.is_null() ) ) Utils::Write(fileName,*M); } } } } //WriteData
void WriteData(Hierarchy& H, const Teuchos::Array<int>& data, const std::string& name) const { for (int i = 0; i < data.size(); ++i) { std::string fileName = name + "_" + toString(data[i]) + ".m"; if (data[i] < H.GetNumLevels()) { RCP<Level> L = H.GetLevel(data[i]); if (L->IsAvailable(name)) { RCP<T> M = L->template Get< RCP<T> >(name); if (!M.is_null()) Utils::Write(fileName,* M); } } } }
void HierarchyUtils<Scalar, LocalOrdinal, GlobalOrdinal, Node>::AddNonSerializableDataToHierarchy(HierarchyManager& HM, Hierarchy& H, const ParameterList& paramList) { for (ParameterList::ConstIterator it = paramList.begin(); it != paramList.end(); it++) { const std::string& levelName = it->first; // Check for mach of the form "level X" where X is a positive integer if (paramList.isSublist(levelName) && levelName.find("level ") == 0 && levelName.size() > 6) { int levelID = strtol(levelName.substr(6).c_str(), 0, 0); if (levelID > 0) { // Do enough level adding so we can be sure to add the data to the right place for (int i = H.GetNumLevels(); i <= levelID; i++) H.AddNewLevel(); } RCP<Level> level = H.GetLevel(levelID); RCP<FactoryManager> M = Teuchos::rcp_dynamic_cast<FactoryManager>(HM.GetFactoryManager(levelID)); TEUCHOS_TEST_FOR_EXCEPTION(M.is_null(), Exceptions::InvalidArgument, "MueLu::Utils::AddNonSerializableDataToHierarchy: cannot get FactoryManager"); // Grab the level sublist & loop over parameters const ParameterList& levelList = paramList.sublist(levelName); for (ParameterList::ConstIterator it2 = levelList.begin(); it2 != levelList.end(); it2++) { const std::string& name = it2->first; TEUCHOS_TEST_FOR_EXCEPTION(name != "A" && name != "P" && name != "R" && name != "Nullspace" && name != "Coordinates" && !IsParamMuemexVariable(name), Exceptions::InvalidArgument, "MueLu::Utils::AddNonSerializableDataToHierarchy: parameter list contains unknown data type"); if (name == "A") { level->Set(name, Teuchos::getValue<RCP<Matrix > > (it2->second),NoFactory::get()); M->SetFactory(name, NoFactory::getRCP()); // TAW: not sure about this: be aware that this affects all levels // However, A is accessible through NoFactory anyway, so it should // be fine here. } else if( name == "P" || name == "R") { level->AddKeepFlag(name,NoFactory::get(),MueLu::UserData); level->Set(name, Teuchos::getValue<RCP<Matrix > > (it2->second), M->GetFactory(name).get()); } else if (name == "Nullspace") { level->AddKeepFlag(name,NoFactory::get(),MueLu::UserData); level->Set(name, Teuchos::getValue<RCP<MultiVector > >(it2->second), NoFactory::get()); //M->SetFactory(name, NoFactory::getRCP()); // TAW: generally it is a bad idea to overwrite the factory manager data here // One should do this only in very special cases } else if(name == "Coordinates") //Scalar of Coordinates MV is always double { level->AddKeepFlag(name,NoFactory::get(),MueLu::UserData); level->Set(name, Teuchos::getValue<RCP<Xpetra::MultiVector<double, LocalOrdinal, GlobalOrdinal, Node> > >(it2->second), NoFactory::get()); //M->SetFactory(name, NoFactory::getRCP()); // TAW: generally it is a bad idea to overwrite the factory manager data here } #ifdef HAVE_MUELU_MATLAB else { //Custom variable for Muemex size_t typeNameStart = name.find_first_not_of(' '); size_t typeNameEnd = name.find(' ', typeNameStart); std::string typeName = name.substr(typeNameStart, typeNameEnd - typeNameStart); std::transform(typeName.begin(), typeName.end(), typeName.begin(), ::tolower); level->AddKeepFlag(name, NoFactory::get(), MueLu::UserData); if(typeName == "matrix") level->Set(name, Teuchos::getValue<RCP<Matrix> >(it2->second), NoFactory::get()); else if(typeName == "multivector") level->Set(name, Teuchos::getValue<RCP<MultiVector> >(it2->second), NoFactory::get()); else if(typeName == "map") level->Set(name, Teuchos::getValue<RCP<Xpetra::Map<LocalOrdinal, GlobalOrdinal, Node> > >(it2->second), NoFactory::get()); else if(typeName == "ordinalvector") level->Set(name, Teuchos::getValue<RCP<Xpetra::Vector<LocalOrdinal, LocalOrdinal, GlobalOrdinal, Node> > >(it2->second), NoFactory::get()); else if(typeName == "scalar") level->Set(name, Teuchos::getValue<Scalar>(it2->second), NoFactory::get()); else if(typeName == "double") level->Set(name, Teuchos::getValue<double>(it2->second), NoFactory::get()); else if(typeName == "complex") level->Set(name, Teuchos::getValue<std::complex<double> >(it2->second), NoFactory::get()); else if(typeName == "int") level->Set(name, Teuchos::getValue<int>(it2->second), NoFactory::get()); else if(typeName == "string") level->Set(name, Teuchos::getValue<std::string>(it2->second), NoFactory::get()); } #endif } } } }
int main_(Teuchos::CommandLineProcessor &clp, Xpetra::UnderlyingLib lib, int argc, char *argv[]) { #include <MueLu_UseShortNames.hpp> using Teuchos::RCP; using Teuchos::rcp; // // MPI initialization // Teuchos::oblackholestream blackhole; bool success = false; bool verbose = true; try { RCP< const Teuchos::Comm<int> > comm = Teuchos::DefaultComm<int>::getComm(); // // Process command line arguments // Galeri::Xpetra::Parameters<GO> matrixParameters(clp, 81); // manage parameters of the test case Xpetra::Parameters xpetraParameters(clp); // manage parameters of xpetra switch (clp.parse(argc,argv)) { case Teuchos::CommandLineProcessor::PARSE_HELP_PRINTED: return EXIT_SUCCESS; case Teuchos::CommandLineProcessor::PARSE_ERROR: case Teuchos::CommandLineProcessor::PARSE_UNRECOGNIZED_OPTION: return EXIT_FAILURE; case Teuchos::CommandLineProcessor::PARSE_SUCCESSFUL: break; default:; } if (comm->getRank() == 0) std::cout << xpetraParameters << matrixParameters; // // Setup test case (Ax = b) // // Distribution RCP<const Map> map = MapFactory::Build(lib, matrixParameters.GetNumGlobalElements(), 0, comm); // Matrix RCP<Galeri::Xpetra::Problem<Map,CrsMatrixWrap,MultiVector> > Pr = Galeri::Xpetra::BuildProblem<SC, LO, GO, Map, CrsMatrixWrap, MultiVector>(matrixParameters.GetMatrixType(), map, matrixParameters.GetParameterList()); RCP<Matrix> A = Pr->BuildMatrix(); // User defined nullspace RCP<MultiVector> nullSpace = VectorFactory::Build(map,1); nullSpace->putScalar((SC) 1.0); // Define B RCP<Vector> X = VectorFactory::Build(map,1); RCP<Vector> B = VectorFactory::Build(map,1); X->setSeed(846930886); X->randomize(); A->apply(*X, *B, Teuchos::NO_TRANS, (SC)1.0, (SC)0.0); // X = 0 X->putScalar((SC) 0.0); // // Create a multigrid configuration // // Transfer operators RCP<TentativePFactory> TentativePFact = rcp( new TentativePFactory() ); RCP<SaPFactory> SaPFact = rcp( new SaPFactory() ); RCP<TransPFactory> RFact = rcp( new TransPFactory()); FactoryManager M; M.SetFactory("Ptent", TentativePFact); M.SetFactory("P", SaPFact); M.SetFactory("R", RFact); M.SetFactory("Smoother", Teuchos::null); //skips smoother setup M.SetFactory("CoarseSolver", Teuchos::null); //skips coarsest solve setup // // Multigrid setup phase // int startLevel = 0; int maxLevels = 10; std::cout << "=============== Setup transfers only ====================" << std::endl; Hierarchy H; H.SetDefaultVerbLevel(MueLu::Medium); RCP<Level> finestLevel = H.GetLevel(); finestLevel->Set("A", A); finestLevel->Set("Nullspace", nullSpace); // Indicate which Hierarchy operators we want to keep H.Keep("P", SaPFact.get()); //SaPFact is the generating factory for P. H.Keep("R", RFact.get()); //RFact is the generating factory for R. H.Keep("Ptent", TentativePFact.get()); //SaPFact is the generating factory for P. H.Setup(M,startLevel,maxLevels); std::cout << "=============== Setup smoothers only ====================" << std::endl; // Create a new A. RCP<Matrix> newA = Pr->BuildMatrix(); finestLevel->Set("A", newA); // Create Gauss-Seidel smoother. std::string ifpackType = "RELAXATION"; Teuchos::ParameterList ifpackList; ifpackList.set("relaxation: sweeps", (LO) 3); ifpackList.set("relaxation: damping factor", (SC) 1.0); RCP<SmootherPrototype> smootherPrototype = rcp(new TrilinosSmoother(ifpackType, ifpackList)); M.SetFactory("Smoother", rcp(new SmootherFactory(smootherPrototype))); // Create coarsest solver. RCP<SmootherPrototype> coarseSolverPrototype = rcp( new DirectSolver() ); RCP<SmootherFactory> coarseSolverFact = rcp( new SmootherFactory(coarseSolverPrototype, Teuchos::null) ); M.SetFactory("CoarseSolver", coarseSolverFact); // Note that we pass the number of levels back in. H.Setup(M,startLevel, H.GetNumLevels()); std::cout << "=============== Solve ====================" << std::endl; // // Solve Ax = B // LO nIts = 9; H.Iterate(*B, *X, nIts); // // Print relative residual norm // typename Teuchos::ScalarTraits<SC>::magnitudeType residualNorms = Utilities::ResidualNorm(*A, *X, *B)[0]; if (comm->getRank() == 0) { std::ios::fmtflags f(std::cout.flags()); std::cout << "||Residual|| = " << std::setiosflags(std::ios::fixed) << std::setprecision(20) << residualNorms << std::endl; std::cout.flags(f); } success = true; } TEUCHOS_STANDARD_CATCH_STATEMENTS(verbose, std::cerr, success); return ( success ? EXIT_SUCCESS : EXIT_FAILURE ); }