70 std::string defaultString =
71"<ParameterList name=\"Input\">"
72"<Parameter name=\"MueLu preconditioner\" type=\"string\" value=\"undefined\"/>"
73"<Parameter name=\"Block 1: dofs per node\" type=\"int\" value=\"1\"/>"
74 "<Parameter name=\"Block 2: dofs per node\" type=\"int\" value=\"1\"/>"
75 "<Parameter name=\"Block 1: smoother\" type=\"string\" value=\"Symmetric Gauss-Seidel\"/>"
76 "<Parameter name=\"Block 1: level-of-fill\" type=\"int\" value=\"0\"/>"
77 "<Parameter name=\"Block 1: relaxation: sweeps\" type=\"int\" value=\"1\"/>"
78 "<Parameter name=\"Block 1: relaxation: damping factor\" type=\"double\" value=\"1.0\"/>"
79 "<Parameter name=\"Block 1: transfer smoothing\" type=\"bool\" value=\"true\"/>"
80 "<Parameter name=\"Block 2: smoother\" type=\"string\" value=\"Symmetric Gauss-Seidel\"/>"
81 "<Parameter name=\"Block 2: level-of-fill\" type=\"int\" value=\"0\"/>"
82 "<Parameter name=\"Block 2: relaxation: sweeps\" type=\"int\" value=\"1\"/>"
83 "<Parameter name=\"Block 2: relaxation: damping factor\" type=\"double\" value=\"1.0\"/>"
84 "<Parameter name=\"Block 2: transfer smoothing\" type=\"bool\" value=\"true\"/>"
85 "<Parameter name=\"BGS: damping factor\" type=\"double\" value=\"1.0\"/>"
86 "<Parameter name=\"max levels\" type=\"int\" value=\"5\"/>"
87 "<Parameter name=\"coarse: max size\" type=\"int\" value=\"25000\"/>"
88 "<Parameter name=\"verbosity\" type=\"string\" value=\"High\"/>"
91 Teuchos::RCP<ParameterList> defaultList = Teuchos::getParametersFromXmlString(defaultString);
93 Teuchos::ParameterList inputParameters = paramList;
94 inputParameters.validateParametersAndSetDefaults(*defaultList);
95 TEUCHOS_TEST_FOR_EXCEPTION(inputParameters.get<std::string>(
"MueLu preconditioner") ==
"undefined",
MueLu::Exceptions::RuntimeError,
"FacadeBGS2x2: undefined MueLu preconditioner. Set the \"MueLu preconditioner\" parameter correctly in your input file.");
99 std::string finalString =
101"<ParameterList name=\"MueLu\">"
102" <ParameterList name=\"Factories\">"
103" <ParameterList name=\"mySubBlockAFactory1\">"
104" <Parameter name=\"factory\" type=\"string\" value=\"SubBlockAFactory\"/>"
105" <Parameter name=\"block row\" type=\"int\" value=\"0\"/>"
106" <Parameter name=\"block col\" type=\"int\" value=\"0\"/>"
107" <Parameter name=\"Range map: Striding info\" type=\"string\" value=\"{ XXXBlock 1: dofs per nodeYYY }\"/>"
108" <Parameter name=\"Domain map: Striding info\" type=\"string\" value=\"{ XXXBlock 1: dofs per nodeYYY }\"/>"
111" <ParameterList name=\"myAggFact1\">"
112" <Parameter name=\"factory\" type=\"string\" value=\"UncoupledAggregationFactory\"/>"
113" <Parameter name=\"aggregation: min agg size\" type=\"int\" value=\"5\"/>"
114" <Parameter name=\"aggregation: max selected neighbors\" type=\"int\" value=\"1\"/>"
117" <!-- tell the tentative prolongator that we have 2 DOFs per node on the coarse levels -->"
118" <ParameterList name=\"myCoarseMap1\">"
119" <Parameter name=\"factory\" type=\"string\" value=\"CoarseMapFactory\"/>"
120" <Parameter name=\"Striding info\" type=\"string\" value=\"{ XXXBlock 1: dofs per nodeYYY }\"/>"
121" <Parameter name=\"Strided block id\" type=\"int\" value=\"-1\"/>"
124" <ParameterList name=\"myTentativePFact1\">"
125" <Parameter name=\"factory\" type=\"string\" value=\"TentativePFactory\"/>"
126" <Parameter name=\"A\" type=\"string\" value=\"mySubBlockAFactory1\"/>"
127" <Parameter name=\"Aggregates\" type=\"string\" value=\"myAggFact1\"/>"
128" <Parameter name=\"CoarseMap\" type=\"string\" value=\"myCoarseMap1\"/>"
131" <ParameterList name=\"myPFact1\">"
132" <Parameter name=\"factory\" type=\"string\" value=\"PgPFactory\"/>"
133" <Parameter name=\"A\" type=\"string\" value=\"mySubBlockAFactory1\"/>"
134" <Parameter name=\"P\" type=\"string\" value=\"myTentativePFact1\"/>"
137" <ParameterList name=\"myRFact1\">"
138" <Parameter name=\"factory\" type=\"string\" value=\"GenericRFactory\"/>"
139" <Parameter name=\"P\" type=\"string\" value=\"myPFact1\"/>"
142" <!-- We have to use Nullspace1 here. If \"Nullspace1\" is not set the"
143" Factory creates the default null space containing of constant"
145" <ParameterList name=\"myNspFact1\">"
146" <Parameter name=\"factory\" type=\"string\" value=\"NullspaceFactory\"/>"
147" <Parameter name=\"Fine level nullspace\" type=\"string\" value=\"Nullspace1\"/>"
148" <Parameter name=\"Nullspace1\" type=\"string\" value=\"myTentativePFact1\"/>"
151" <!-- BLOCK 2 (for submatrix A_{11}) PRESSURE PART -->"
152" <ParameterList name=\"mySubBlockAFactory2\">"
153" <Parameter name=\"factory\" type=\"string\" value=\"SubBlockAFactory\"/>"
154" <Parameter name=\"block row\" type=\"int\" value=\"1\"/>"
155" <Parameter name=\"block col\" type=\"int\" value=\"1\"/>"
156" <Parameter name=\"Range map: Striding info\" type=\"string\" value=\"{ XXXBlock 2: dofs per nodeYYY }\"/>"
157" <Parameter name=\"Domain map: Striding info\" type=\"string\" value=\"{ XXXBlock 2: dofs per nodeYYY }\"/>"
160" <!-- tell the tentative prolongator that we have 2 DOFs per node on the coarse levels -->"
161" <ParameterList name=\"myCoarseMap2\">"
162" <Parameter name=\"factory\" type=\"string\" value=\"CoarseMapFactory\"/>"
163" <Parameter name=\"Striding info\" type=\"string\" value=\"{ XXXBlock 2: dofs per nodeYYY }\"/>"
164" <Parameter name=\"Strided block id\" type=\"int\" value=\"-1\"/>"
167" <ParameterList name=\"myTentativePFact2\">"
168" <Parameter name=\"factory\" type=\"string\" value=\"TentativePFactory\"/>"
169" <Parameter name=\"A\" type=\"string\" value=\"mySubBlockAFactory2\"/>"
170" <Parameter name=\"Aggregates\" type=\"string\" value=\"myAggFact1\"/>"
171" <Parameter name=\"CoarseMap\" type=\"string\" value=\"myCoarseMap2\"/>"
174" <ParameterList name=\"myPFact2\">"
175" <Parameter name=\"factory\" type=\"string\" value=\"SaPFactory\"/>"
176" <Parameter name=\"A\" type=\"string\" value=\"mySubBlockAFactory2\"/>"
177" <Parameter name=\"P\" type=\"string\" value=\"myTentativePFact2\"/>"
180" <ParameterList name=\"myRFact2\">"
181" <Parameter name=\"factory\" type=\"string\" value=\"TransPFactory\"/>"
182" <Parameter name=\"P\" type=\"string\" value=\"myPFact2\"/>"
185" <ParameterList name=\"myNspFact2\">"
186" <Parameter name=\"factory\" type=\"string\" value=\"NullspaceFactory\"/>"
187" <Parameter name=\"Fine level nullspace\" type=\"string\" value=\"Nullspace2\"/>"
188" <Parameter name=\"Nullspace2\" type=\"string\" value=\"myTentativePFact2\"/>"
191" <!-- FACTORY MANAGERS -->"
193" <!-- Multigrid setup for velocity block (A_{00}) -->"
194" <ParameterList name=\"myFirstGroup\">"
195" <Parameter name=\"group\" type=\"string\" value=\"FactoryManager\"/>"
196" <Parameter name=\"A\" type=\"string\" value=\"mySubBlockAFactory1\"/>"
197" <Parameter name=\"P\" type=\"string\" value=\"myPFact1\"/>"
198" <Parameter name=\"R\" type=\"string\" value=\"myRFact1\"/>"
199" <Parameter name=\"Aggregates\" type=\"string\" value=\"myAggFact1\"/>"
200" <Parameter name=\"Nullspace\" type=\"string\" value=\"myNspFact1\"/>"
201" <Parameter name=\"CoarseMap\" type=\"string\" value=\"myCoarseMap1\"/>"
204" <!-- Multigrid setup for pressure block (A_{11}) -->"
205" <ParameterList name=\"mySecondGroup\">"
206" <Parameter name=\"group\" type=\"string\" value=\"FactoryManager\"/>"
207" <Parameter name=\"A\" type=\"string\" value=\"mySubBlockAFactory2\"/>"
208" <Parameter name=\"P\" type=\"string\" value=\"myPFact2\"/>"
209" <Parameter name=\"R\" type=\"string\" value=\"myRFact2\"/>"
210" <Parameter name=\"Aggregates\" type=\"string\" value=\"myAggFact1\"/><!-- reuse aggs from PRESSURE block! -->"
211" <Parameter name=\"Nullspace\" type=\"string\" value=\"myNspFact2\"/>"
212" <Parameter name=\"CoarseMap\" type=\"string\" value=\"myCoarseMap2\"/>"
215" <!-- BLOCK TRANSFER operators -->"
217" <ParameterList name=\"myBlockedPFact\">"
218" <Parameter name=\"factory\" type=\"string\" value=\"BlockedPFactory\"/>"
219" <!-- factory manager for block 1 -->"
220" <ParameterList name=\"block1\">"
221" <Parameter name=\"group\" type=\"string\" value=\"myFirstGroup\"/>"
223" <!-- factory manager for block 2 -->"
224" <ParameterList name=\"block2\">"
225" <Parameter name=\"group\" type=\"string\" value=\"mySecondGroup\"/>"
229" <ParameterList name=\"myBlockedRFact\">"
230" <Parameter name=\"factory\" type=\"string\" value=\"GenericRFactory\"/>"
231" <Parameter name=\"P\" type=\"string\" value=\"myBlockedPFact\"/>"
234" <ParameterList name=\"myBlockedRAPFact\">"
235" <Parameter name=\"factory\" type=\"string\" value=\"BlockedRAPFactory\"/>"
236" <Parameter name=\"P\" type=\"string\" value=\"myBlockedPFact\"/>"
237" <Parameter name=\"R\" type=\"string\" value=\"myBlockedRFact\"/>"
240" <!-- BLOCK SMOOTHERS -->"
241" <ParameterList name=\"mySmooFact1\">"
242" <Parameter name=\"factory\" type=\"string\" value=\"TrilinosSmoother\"/>"
243" <Parameter name=\"type\" type=\"string\" value=\"RELAXATION\"/>"
244" <ParameterList name=\"ParameterList\">"
245" <Parameter name=\"relaxation: type\" type=\"string\" value=\"XXXBlock 1: relaxation: typeYYY\"/>"
246" <Parameter name=\"relaxation: sweeps\" type=\"int\" value=\"XXXBlock 1: relaxation: sweepsYYY\"/>"
247" <Parameter name=\"relaxation: damping factor\" type=\"double\" value=\"XXXBlock 1: relaxation: damping factorYYY\"/>"
251" <ParameterList name=\"mySmooILUFact1\">"
252" <Parameter name=\"factory\" type=\"string\" value=\"TrilinosSmoother\"/>"
253" <Parameter name=\"type\" type=\"string\" value=\"ILU\"/>"
254" <ParameterList name=\"ParameterList\">"
255" <Parameter name=\"fact: level-of-fill\" type=\"int\" value=\"XXXBlock 1: level-of-fillYYY\"/>"
259" <ParameterList name=\"mySmooDirectFact1\">"
260" <Parameter name=\"factory\" type=\"string\" value=\"DirectSolver\"/>"
263" <ParameterList name=\"mySmooFact2\">"
264" <Parameter name=\"factory\" type=\"string\" value=\"TrilinosSmoother\"/>"
265" <Parameter name=\"type\" type=\"string\" value=\"RELAXATION\"/>"
266" <ParameterList name=\"ParameterList\">"
267" <Parameter name=\"relaxation: type\" type=\"string\" value=\"XXXBlock 2: relaxation: typeYYY\"/>"
268" <Parameter name=\"relaxation: sweeps\" type=\"int\" value=\"XXXBlock 2: relaxation: sweepsYYY\"/>"
269" <Parameter name=\"relaxation: damping factor\" type=\"double\" value=\"XXXBlock 2: relaxation: damping factorYYY\"/>"
273" <ParameterList name=\"mySmooILUFact2\">"
274" <Parameter name=\"factory\" type=\"string\" value=\"TrilinosSmoother\"/>"
275" <Parameter name=\"type\" type=\"string\" value=\"ILU\"/>"
276" <ParameterList name=\"ParameterList\">"
277" <Parameter name=\"fact: level-of-fill\" type=\"int\" value=\"XXXBlock 2: level-of-fillYYY\"/>"
281" <ParameterList name=\"mySmooDirectFact2\">"
282" <Parameter name=\"factory\" type=\"string\" value=\"DirectSolver\"/>"
285" <ParameterList name=\"myBlockSmoother\">"
286" <Parameter name=\"factory\" type=\"string\" value=\"BlockedGaussSeidelSmoother\"/>"
287" <Parameter name=\"Sweeps\" type=\"int\" value=\"1\"/>"
288" <Parameter name=\"Damping factor\" type=\"double\" value=\"XXXBGS: damping factorYYY\"/>"
289" <!-- factory manager for block 1 -->"
290" <ParameterList name=\"block1\">"
291" <Parameter name=\"A\" type=\"string\" value=\"mySubBlockAFactory1\"/>"
292" <Parameter name=\"Smoother\" type=\"string\" value=\"XYZSmoother1XYZ\"/>"
294" <!-- factory manager for block 2 -->"
295" <ParameterList name=\"block2\">"
296" <Parameter name=\"A\" type=\"string\" value=\"mySubBlockAFactory2\"/>"
297" <Parameter name=\"Smoother\" type=\"string\" value=\"XYZSmoother2XYZ\"/>"
302" <!-- end Factories -->"
304" <!-- Definition of the multigrid preconditioner -->"
305" <ParameterList name=\"Hierarchy\">"
307" <Parameter name=\"max levels\" type=\"int\" value=\"XXXmax levelsYYY\"/>"
308" <Parameter name=\"coarse: max size\" type=\"int\" value=\"XXXcoarse: max sizeYYY\"/>"
309" <Parameter name=\"verbosity\" type=\"string\" value=\"XXXverbosityYYY\"/>"
311" <ParameterList name=\"AllLevel\">"
312" <Parameter name=\"startLevel\" type=\"int\" value=\"0\"/>"
313" <Parameter name=\"Smoother\" type=\"string\" value=\"myBlockSmoother\"/>"
314" <Parameter name=\"CoarseSolver\" type=\"string\" value=\"myBlockSmoother\"/>"
315" <Parameter name=\"P\" type=\"string\" value=\"myBlockedPFact\"/>"
316" <Parameter name=\"R\" type=\"string\" value=\"myBlockedRFact\"/>"
317" <Parameter name=\"A\" type=\"string\" value=\"myBlockedRAPFact\"/>"
327 std::string smoother1 = inputParameters.get<std::string>(
"Block 1: smoother");
328 if(smoother1 ==
"ILU") {
329 this->ReplaceString(finalString,
"XYZSmoother1XYZ",
"mySmooILUFact1");
330 }
else if (smoother1 ==
"Symmetric Gauss-Seidel" || smoother1 ==
"SGS") {
331 this->ReplaceString(finalString,
"XXXBlock 1: relaxation: typeYYY",
"Symmetric Gauss-Seidel");
332 this->ReplaceString(finalString,
"XYZSmoother1XYZ",
"mySmooFact1");
333 }
else if (smoother1 ==
"Symmetric Gauss-Seidel" || smoother1 ==
"GS") {
334 this->ReplaceString(finalString,
"XXXBlock 1: relaxation: typeYYY",
"Gauss-Seidel");
335 this->ReplaceString(finalString,
"XYZSmoother1XYZ",
"mySmooFact1");
336 }
else if (smoother1 ==
"Jacobi") {
337 this->ReplaceString(finalString,
"XXXBlock 1: relaxation: typeYYY",
"Jacobi");
338 this->ReplaceString(finalString,
"XYZSmoother1XYZ",
"mySmooFact1");
339 }
else if (smoother1 ==
"Direct") {
340 this->ReplaceString(finalString,
"XYZSmoother1XYZ",
"mySmooDirectFact1");
342 this->GetOStream(
Errors) <<
"Invalid smoother type for block 1: " << smoother1 <<
". Valid options are: \"SGS\", \"GS\", \"Jacobi\", \"ILU\" or \"Direct\"." << std::endl;
345 std::string smoother2 = inputParameters.get<std::string>(
"Block 2: smoother");
346 if(smoother2 ==
"ILU") {
347 this->ReplaceString(finalString,
"XYZSmoother2XYZ",
"mySmooILUFact2");
348 }
else if (smoother2 ==
"Symmetric Gauss-Seidel" || smoother2 ==
"SGS") {
349 this->ReplaceString(finalString,
"XXXBlock 2: relaxation: typeYYY",
"Symmetric Gauss-Seidel");
350 this->ReplaceString(finalString,
"XYZSmoother2XYZ",
"mySmooFact2");
351 }
else if (smoother2 ==
"Symmetric Gauss-Seidel" || smoother2 ==
"GS") {
352 this->ReplaceString(finalString,
"XXXBlock 2: relaxation: typeYYY",
"Gauss-Seidel");
353 this->ReplaceString(finalString,
"XYZSmoother2XYZ",
"mySmooFact2");
354 }
else if (smoother2 ==
"Jacobi") {
355 this->ReplaceString(finalString,
"XXXBlock 2: relaxation: typeYYY",
"Gauss-Seidel");
356 this->ReplaceString(finalString,
"XYZSmoother2XYZ",
"mySmooFact2");
357 }
else if (smoother2 ==
"Direct") {
358 this->ReplaceString(finalString,
"XYZSmoother2XYZ",
"mySmooDirectFact2");
360 this->GetOStream(
Errors) <<
"Invalid smoother type for block 2: " << smoother2 <<
". Valid options are: \"SGS\", \"GS\", \"Jacobi\", \"ILU\" or \"Direct\"." << std::endl;
363 if(inputParameters.get<
bool>(
"Block 1: transfer smoothing") ==
true) {
364 this->ReplaceString(finalString,
"XXXBlock 1: prolongatorYYY",
"myPFact1");
365 this->ReplaceString(finalString,
"XXXBlock 1: restrictor YYY",
"myRFact1");
367 this->ReplaceString(finalString,
"XXXBlock 1: prolongatorYYY",
"myTentativePFact1");
368 this->ReplaceString(finalString,
"XXXBlock 1: restrictor YYY",
"myTransPFact1");
370 if(inputParameters.get<
bool>(
"Block 2: transfer smoothing") ==
true) {
371 this->ReplaceString(finalString,
"XXXBlock 2: prolongatorYYY",
"myPFact2");
372 this->ReplaceString(finalString,
"XXXBlock 2: restrictor YYY",
"myRFact2");
374 this->ReplaceString(finalString,
"XXXBlock 2: prolongatorYYY",
"myTentativePFact2");
375 this->ReplaceString(finalString,
"XXXBlock 2: restrictor YYY",
"myTransPFact2");
381 for(Teuchos::ParameterList::ConstIterator it = inputParameters.begin(); it != inputParameters.end(); it++) {
383 std::string par_name = inputParameters.name(it);
384 std::stringstream ss;
385 ss <<
"XXX" << par_name <<
"YYY";
388 Teuchos::ParameterEntry par_entry = inputParameters.entry(it);
389 this->ReplaceString(finalString,
390 ss.str(), Teuchos::toString(par_entry.getAny()));
393 Teuchos::RCP<ParameterList> ret = Teuchos::getParametersFromXmlString(finalString);