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WilsonMG: Move tests for Wilson & WilsonClover into separate files

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This commit is contained in:
Daniel Richtmann
2018-06-09 17:42:19 +02:00
committed by Daniel Richtmann
parent 66b7a0f871
commit 73a955be20
2 changed files with 116 additions and 32 deletions
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113
tests/solver/Test_wilson_mg.cc Normal file
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@@ -0,0 +1,113 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/solver/Test_wilson_mg.cc
Copyright (C) 2017
Author: Daniel Richtmann <daniel.richtmann@ur.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Grid/Grid.h>
#include <Test_multigrid_common.h>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
int main(int argc, char **argv) {
Grid_init(&argc, &argv);
GridCartesian * FGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()), GridDefaultMpi());
GridRedBlackCartesian *FrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(FGrid);
std::vector<int> fSeeds({1, 2, 3, 4});
GridParallelRNG fPRNG(FGrid);
fPRNG.SeedFixedIntegers(fSeeds);
// clang-format off
LatticeFermion src(FGrid); gaussian(fPRNG, src);
LatticeFermion result(FGrid); result = zero;
LatticeGaugeField Umu(FGrid); SU3::HotConfiguration(fPRNG, Umu);
// clang-format on
RealD mass = -0.25;
MultiGridParams mgParams;
std::string inputXml{"./mg_params.xml"};
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;
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);
static_assert(std::is_same<LatticeFermion, typename WilsonFermionR::FermionField>::value, "");
MdagMLinearOperator<WilsonFermionR, LatticeFermion> MdagMOpDw(Dw);
std::cout << GridLogMessage << "**************************************************" << std::endl;
std::cout << GridLogMessage << "Testing Multigrid for Wilson" << std::endl;
std::cout << GridLogMessage << "**************************************************" << std::endl;
TrivialPrecon<LatticeFermion> TrivialPrecon;
auto MGPreconDw = createMGInstance<vSpinColourVector, vTComplex, nbasis, WilsonFermionR>(mgParams, levelInfo, Dw, Dw);
MGPreconDw->setup();
MGPreconDw->runChecks(toleranceForMGChecks);
std::vector<std::unique_ptr<OperatorFunction<LatticeFermion>>> solversDw;
solversDw.emplace_back(new ConjugateGradient<LatticeFermion>(1.0e-12, 50000, false));
solversDw.emplace_back(new FlexibleGeneralisedMinimalResidual<LatticeFermion>(1.0e-12, 50000, TrivialPrecon, 100, false));
solversDw.emplace_back(new FlexibleGeneralisedMinimalResidual<LatticeFermion>(1.0e-12, 50000, *MGPreconDw, 100, false));
for(auto const &solver : solversDw) {
std::cout << std::endl << "Starting with a new solver" << std::endl;
result = zero;
(*solver)(MdagMOpDw, src, result);
}
MGPreconDw->reportTimings();
Grid_finalize();
}

35
tests/solver/Test_wilsonclover_mg.cc
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@@ -37,10 +37,7 @@ int main(int argc, char **argv) {
Grid_init(&argc, &argv);
typename WilsonCloverFermionR::ImplParams wcImplparams;
WilsonAnisotropyCoefficients wilsonAnisCoeff;
GridCartesian *FGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()), GridDefaultMpi());
GridCartesian * FGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()), GridDefaultMpi());
GridRedBlackCartesian *FrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(FGrid);
std::vector<int> fSeeds({1, 2, 3, 4});
@@ -84,43 +81,17 @@ int main(int argc, char **argv) {
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);
WilsonCloverFermionR Dwc(Umu, *FGrid, *FrbGrid, mass, csw_r, csw_t);
static_assert(std::is_same<LatticeFermion, typename WilsonFermionR::FermionField>::value, "");
static_assert(std::is_same<LatticeFermion, typename WilsonCloverFermionR::FermionField>::value, "");
MdagMLinearOperator<WilsonFermionR, LatticeFermion> MdagMOpDw(Dw);
MdagMLinearOperator<WilsonCloverFermionR, LatticeFermion> MdagMOpDwc(Dwc);
std::cout << GridLogMessage << "**************************************************" << std::endl;
std::cout << GridLogMessage << "Testing Multigrid for Wilson" << std::endl;
std::cout << GridLogMessage << "**************************************************" << std::endl;
TrivialPrecon<LatticeFermion> TrivialPrecon;
auto MGPreconDw = createMGInstance<vSpinColourVector, vTComplex, nbasis, WilsonFermionR>(mgParams, levelInfo, Dw, Dw);
MGPreconDw->setup();
MGPreconDw->runChecks(toleranceForMGChecks);
std::vector<std::unique_ptr<OperatorFunction<LatticeFermion>>> solversDw;
solversDw.emplace_back(new ConjugateGradient<LatticeFermion>(1.0e-12, 50000, false));
solversDw.emplace_back(new FlexibleGeneralisedMinimalResidual<LatticeFermion>(1.0e-12, 50000, TrivialPrecon, 100, false));
solversDw.emplace_back(new FlexibleGeneralisedMinimalResidual<LatticeFermion>(1.0e-12, 50000, *MGPreconDw, 100, false));
for(auto const &solver : solversDw) {
std::cout << std::endl << "Starting with a new solver" << std::endl;
result = zero;
(*solver)(MdagMOpDw, src, result);
}
MGPreconDw->reportTimings();
std::cout << GridLogMessage << "**************************************************" << std::endl;
std::cout << GridLogMessage << "Testing Multigrid for Wilson Clover" << std::endl;
std::cout << GridLogMessage << "**************************************************" << std::endl;
TrivialPrecon<LatticeFermion> TrivialPrecon;
auto MGPreconDwc = createMGInstance<vSpinColourVector, vTComplex, nbasis, WilsonCloverFermionR>(mgParams, levelInfo, Dwc, Dwc);
MGPreconDwc->setup();