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WilsonMG: Provide command line switch for reading in input xml + move default params to constructor of MultiGridParams

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This commit is contained in:
Daniel Richtmann
2018-06-01 10:36:09 +02:00
parent e9b9550298
commit 11c4f5e32c
1 changed files with 43 additions and 57 deletions
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100
tests/solver/Test_wilsonclover_mg.cc
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@@ -52,7 +52,33 @@ public:
double, coarseSolverTol,
int, coarseSolverMaxOuterIter,
int, coarseSolverMaxInnerIter);
MultiGridParams(){};
// constructor with default values
MultiGridParams(int _nLevels = 2,
std::vector<std::vector<int>> _blockSizes = {{4, 4, 4, 4}},
std::vector<double> _smootherTol = {1e-14},
std::vector<int> _smootherMaxOuterIter = {4},
std::vector<int> _smootherMaxInnerIter = {4},
bool _kCycle = true,
std::vector<double> _kCycleTol = {1e-1},
std::vector<int> _kCycleMaxOuterIter = {2},
std::vector<int> _kCycleMaxInnerIter = {5},
double _coarseSolverTol = 5e-2,
int _coarseSolverMaxOuterIter = 10,
int _coarseSolverMaxInnerIter = 500)
: nLevels(_nLevels)
, blockSizes(_blockSizes)
, smootherTol(_smootherTol)
, smootherMaxOuterIter(_smootherMaxOuterIter)
, smootherMaxInnerIter(_smootherMaxInnerIter)
, kCycle(_kCycle)
, kCycleTol(_kCycleTol)
, kCycleMaxOuterIter(_kCycleMaxOuterIter)
, kCycleMaxInnerIter(_kCycleMaxInnerIter)
, coarseSolverTol(_coarseSolverTol)
, coarseSolverMaxOuterIter(_coarseSolverMaxOuterIter)
, coarseSolverMaxInnerIter(_coarseSolverMaxInnerIter)
{}
};
// clang-format on
@@ -646,8 +672,6 @@ int main(int argc, char **argv) {
Grid_init(&argc, &argv);
MultiGridParams mgParams;
typename WilsonCloverFermionR::ImplParams wcImplparams;
WilsonAnisotropyCoefficients wilsonAnisCoeff;
@@ -668,74 +692,36 @@ int main(int argc, char **argv) {
RealD csw_r = 1.0;
RealD csw_t = 1.0;
// Note: We do chiral doubling, so actually only nbasis/2 full basis vectors are used
const int nbasis = 20;
MultiGridParams mgParams;
std::string inputXml{"./mg_params.xml"};
RealD toleranceForMGChecks = 1e-13; // TODO: depends on the precision MG precondtioner is run in
WilsonFermionR Dw(Umu, *FGrid, *FrbGrid, mass);
WilsonCloverFermionR Dwc(Umu, *FGrid, *FrbGrid, mass, csw_r, csw_t, wilsonAnisCoeff, wcImplparams);
// // Default params for two-level MG preconditioner
// mgParams.nLevels = 2;
// mgParams.blockSizes = {{4, 4, 4, 4}};
// mgParams.smootherTol = {1e-14};
// mgParams.smootherMaxOuterIter = {4};
// mgParams.smootherMaxInnerIter = {4};
// mgParams.kCycle = true;
// mgParams.kCycleTol = {1e-1};
// mgParams.kCycleMaxOuterIter = {2};
// mgParams.kCycleMaxInnerIter = {5};
// mgParams.coarseSolverTol = 5e-2;
// mgParams.coarseSolverMaxOuterIter = 10;
// mgParams.coarseSolverMaxInnerIter = 500;
// Default params for three-level MG preconditioner
mgParams.nLevels = 3;
mgParams.blockSizes = {{4, 4, 4, 4}, {2, 2, 2, 2}};
mgParams.smootherTol = {1e-14, 1e-14};
mgParams.smootherMaxOuterIter = {4, 4};
mgParams.smootherMaxInnerIter = {4, 4};
mgParams.kCycle = true;
mgParams.kCycleTol = {1e-1, 1e-1};
mgParams.kCycleMaxOuterIter = {2, 2};
mgParams.kCycleMaxInnerIter = {5, 5};
mgParams.coarseSolverTol = 5e-2;
mgParams.coarseSolverMaxOuterIter = 10;
mgParams.coarseSolverMaxInnerIter = 500;
// // Default params for four-level MG preconditioner
// mgParams.nLevels = 4;
// mgParams.blockSizes = {{4, 4, 4, 4}, {2, 2, 2, 2}, {2, 2, 2, 2}};
// mgParams.smootherTol = {1e-14, 1e-14, 1e-14};
// mgParams.smootherMaxOuterIter = {4, 4, 4};
// mgParams.smootherMaxInnerIter = {4, 4, 4};
// mgParams.kCycle = true;
// mgParams.kCycleTol = {1e-1, 1e-1, 1e-1};
// mgParams.kCycleMaxOuterIter = {2, 2, 2};
// mgParams.kCycleMaxInnerIter = {5, 5, 5};
// mgParams.coarseSolverTol = 5e-2;
// mgParams.coarseSolverMaxOuterIter = 10;
// mgParams.coarseSolverMaxInnerIter = 500;
if(GridCmdOptionExists(argv, argv + argc, "--inputxml")) {
inputXml = GridCmdOptionPayload(argv, argv + argc, "--inputxml");
assert(inputXml.length() != 0);
}
{
XmlWriter writer("mg_params_template.xml");
write(writer, "Params", mgParams);
std::cout << GridLogMessage << " Written mg_params_template.xml" << std::endl;
}
std::cout << GridLogMessage << "Written mg_params_template.xml" << std::endl;
{
std::string paramFileName{"./mg_params.xml"};
XmlReader reader(paramFileName);
XmlReader reader(inputXml);
read(reader, "Params", mgParams);
std::cout << GridLogMessage << "Read in " << inputXml << std::endl;
}
checkParameterValidity(mgParams);
std::cout << mgParams << std::endl;
LevelInfo levelInfo(FGrid, mgParams);
// Note: We do chiral doubling, so actually only nbasis/2 full basis vectors are used
const int nbasis = 40;
RealD toleranceForMGChecks = 1e-13; // TODO: depends on the precision MG precondtioner is run in
WilsonFermionR Dw(Umu, *FGrid, *FrbGrid, mass);
WilsonCloverFermionR Dwc(Umu, *FGrid, *FrbGrid, mass, csw_r, csw_t, wilsonAnisCoeff, wcImplparams);
static_assert(std::is_same<LatticeFermion, typename WilsonFermionR::FermionField>::value, "");
static_assert(std::is_same<LatticeFermion, typename WilsonCloverFermionR::FermionField>::value, "");