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Hadrons: moving Hadrons to root directory, build system improvements

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This commit is contained in:
Antonin Portelli
2018-08-28 15:00:40 +01:00
parent 5f206df775
commit fb7d021b9d
499 changed files with 429 additions and 846 deletions
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36
Hadrons/Modules/MSolver/A2AVectors.cc Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MSolver/A2AVectors.cc
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: fionnoh <fionnoh@gmail.com>
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 <Hadrons/Modules/MSolver/A2AVectors.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MSolver;
template class Grid::Hadrons::MSolver::TA2AVectors<FIMPL, FermionEigenPack<FIMPL>>;
template class Grid::Hadrons::MSolver::TA2AVectors<ZFIMPL, FermionEigenPack<ZFIMPL>>;

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MSolver/A2AVectors.hpp
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: fionnoh <fionnoh@gmail.com>
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 */
#ifndef Hadrons_MSolver_A2AVectors_hpp_
#define Hadrons_MSolver_A2AVectors_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
#include <Hadrons/Solver.hpp>
#include <Hadrons/EigenPack.hpp>
#include <Hadrons/A2AVectors.hpp>
#include <Hadrons/DilutedNoise.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Create all-to-all V & W vectors *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MSolver)
class A2AVectorsPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(A2AVectorsPar,
std::string, noise,
std::string, action,
std::string, eigenPack,
std::string, solver);
};
template <typename FImpl, typename Pack>
class TA2AVectors : public Module<A2AVectorsPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
SOLVER_TYPE_ALIASES(FImpl,);
typedef HADRONS_DEFAULT_SCHUR_A2A<FImpl> A2A;
public:
// constructor
TA2AVectors(const std::string name);
// destructor
virtual ~TA2AVectors(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
private:
std::string solverName_;
unsigned int Nl_{0};
};
MODULE_REGISTER_TMP(A2AVectors,
ARG(TA2AVectors<FIMPL, FermionEigenPack<FIMPL>>), MSolver);
MODULE_REGISTER_TMP(ZA2AVectors,
ARG(TA2AVectors<ZFIMPL, FermionEigenPack<ZFIMPL>>), MSolver);
/******************************************************************************
* TA2AVectors implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl, typename Pack>
TA2AVectors<FImpl, Pack>::TA2AVectors(const std::string name)
: Module<A2AVectorsPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl, typename Pack>
std::vector<std::string> TA2AVectors<FImpl, Pack>::getInput(void)
{
std::string sub_string;
std::vector<std::string> in;
if (!par().eigenPack.empty())
{
in.push_back(par().eigenPack);
sub_string = (!par().eigenPack.empty()) ? "_subtract" : "";
}
in.push_back(par().solver + sub_string);
in.push_back(par().noise);
return in;
}
template <typename FImpl, typename Pack>
std::vector<std::string> TA2AVectors<FImpl, Pack>::getOutput(void)
{
std::vector<std::string> out = {getName() + "_v", getName() + "_w"};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl, typename Pack>
void TA2AVectors<FImpl, Pack>::setup(void)
{
bool hasLowModes = (!par().eigenPack.empty());
std::string sub_string = (hasLowModes) ? "_subtract" : "";
auto &noise = envGet(DilutedNoise<FImpl>, par().noise);
auto &action = envGet(FMat, par().action);
auto &solver = envGet(Solver, par().solver + sub_string);
int Ls = env().getObjectLs(par().action);
if (hasLowModes)
{
auto &epack = envGet(Pack, par().eigenPack);
Nl_ = epack.evec.size();
}
envCreate(std::vector<FermionField>, getName() + "_v", 1,
Nl_ + noise.size(), FermionField(env().getGrid()));
envCreate(std::vector<FermionField>, getName() + "_w", 1,
Nl_ + noise.size(), FermionField(env().getGrid()));
if (Ls > 1)
{
envTmpLat(FermionField, "f5", Ls);
}
envTmp(A2A, "a2a", 1, action, solver);
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl, typename Pack>
void TA2AVectors<FImpl, Pack>::execute(void)
{
std::string sub_string = (Nl_ > 0) ? "_subtract" : "";
auto &action = envGet(FMat, par().action);
auto &solver = envGet(Solver, par().solver + sub_string);
auto &noise = envGet(DilutedNoise<FImpl>, par().noise);
auto &v = envGet(std::vector<FermionField>, getName() + "_v");
auto &w = envGet(std::vector<FermionField>, getName() + "_w");
int Ls = env().getObjectLs(par().action);
envGetTmp(A2A, a2a);
if (Nl_ > 0)
{
LOG(Message) << "Computing all-to-all vectors "
<< " using eigenpack '" << par().eigenPack << "' ("
<< Nl_ << " low modes) and noise '"
<< par().noise << "' (" << noise.size()
<< " noise vectors)" << std::endl;
}
else
{
LOG(Message) << "Computing all-to-all vectors "
<< " using noise '" << par().noise << "' (" << noise.size()
<< " noise vectors)" << std::endl;
}
// Low modes
for (unsigned int il = 0; il < Nl_; il++)
{
auto &epack = envGet(Pack, par().eigenPack);
startTimer("V low mode");
LOG(Message) << "V vector i = " << il << " (low mode)" << std::endl;
if (Ls == 1)
{
a2a.makeLowModeV(v[il], epack.evec[il], epack.eval[il]);
}
else
{
envGetTmp(FermionField, f5);
a2a.makeLowModeV5D(v[il], f5, epack.evec[il], epack.eval[il]);
}
stopTimer("V low mode");
startTimer("W low mode");
LOG(Message) << "W vector i = " << il << " (low mode)" << std::endl;
if (Ls == 1)
{
a2a.makeLowModeW(w[il], epack.evec[il], epack.eval[il]);
}
else
{
envGetTmp(FermionField, f5);
a2a.makeLowModeW5D(w[il], f5, epack.evec[il], epack.eval[il]);
}
stopTimer("W low mode");
}
// High modes
for (unsigned int ih = 0; ih < noise.size(); ih++)
{
startTimer("V high mode");
LOG(Message) << "V vector i = " << Nl_ + ih
<< " (" << ((Nl_ > 0) ? "high " : "")
<< "stochastic mode)" << std::endl;
if (Ls == 1)
{
a2a.makeHighModeV(v[Nl_ + ih], noise[ih]);
}
else
{
envGetTmp(FermionField, f5);
a2a.makeHighModeV5D(v[Nl_ + ih], f5, noise[ih]);
}
stopTimer("V high mode");
startTimer("W high mode");
LOG(Message) << "W vector i = " << Nl_ + ih
<< " (" << ((Nl_ > 0) ? "high " : "")
<< "stochastic mode)" << std::endl;
if (Ls == 1)
{
a2a.makeHighModeW(w[Nl_ + ih], noise[ih]);
}
else
{
envGetTmp(FermionField, f5);
a2a.makeHighModeW5D(w[Nl_ + ih], f5, noise[ih]);
}
stopTimer("W high mode");
}
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MSolver_A2AVectors_hpp_

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Hadrons/Modules/MSolver/LocalCoherenceLanczos.cc Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MSolver/LocalCoherenceLanczos.cc
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
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 <Hadrons/Modules/MSolver/LocalCoherenceLanczos.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MSolver;
template class Grid::Hadrons::MSolver::TLocalCoherenceLanczos<FIMPL,HADRONS_DEFAULT_LANCZOS_NBASIS>;
template class Grid::Hadrons::MSolver::TLocalCoherenceLanczos<ZFIMPL,HADRONS_DEFAULT_LANCZOS_NBASIS>;

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MSolver/LocalCoherenceLanczos.hpp
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
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 */
#ifndef Hadrons_MSolver_LocalCoherenceLanczos_hpp_
#define Hadrons_MSolver_LocalCoherenceLanczos_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
#include <Hadrons/EigenPack.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Local coherence Lanczos eigensolver *
*****************************************************************************/
BEGIN_MODULE_NAMESPACE(MSolver)
class LocalCoherenceLanczosPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(LocalCoherenceLanczosPar,
std::string, action,
bool, doCoarse,
LanczosParams, fineParams,
LanczosParams, coarseParams,
ChebyParams, smoother,
RealD, coarseRelaxTol,
std::string, blockSize,
std::string, output,
bool, multiFile);
};
template <typename FImpl, int nBasis>
class TLocalCoherenceLanczos: public Module<LocalCoherenceLanczosPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
typedef LocalCoherenceLanczos<typename FImpl::SiteSpinor,
typename FImpl::SiteComplex,
nBasis> LCL;
typedef FermionEigenPack<FImpl> BasePack;
typedef CoarseFermionEigenPack<FImpl, nBasis> CoarsePack;
typedef HADRONS_DEFAULT_SCHUR_OP<FMat, FermionField> SchurFMat;
public:
// constructor
TLocalCoherenceLanczos(const std::string name);
// destructor
virtual ~TLocalCoherenceLanczos(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_TMP(LocalCoherenceLanczos, ARG(TLocalCoherenceLanczos<FIMPL, HADRONS_DEFAULT_LANCZOS_NBASIS>), MSolver);
MODULE_REGISTER_TMP(ZLocalCoherenceLanczos, ARG(TLocalCoherenceLanczos<ZFIMPL, HADRONS_DEFAULT_LANCZOS_NBASIS>), MSolver);
/******************************************************************************
* TLocalCoherenceLanczos implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl, int nBasis>
TLocalCoherenceLanczos<FImpl, nBasis>::TLocalCoherenceLanczos(const std::string name)
: Module<LocalCoherenceLanczosPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl, int nBasis>
std::vector<std::string> TLocalCoherenceLanczos<FImpl, nBasis>::getInput(void)
{
std::vector<std::string> in = {par().action};
return in;
}
template <typename FImpl, int nBasis>
std::vector<std::string> TLocalCoherenceLanczos<FImpl, nBasis>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl, int nBasis>
void TLocalCoherenceLanczos<FImpl, nBasis>::setup(void)
{
LOG(Message) << "Setting up local coherence Lanczos eigensolver for"
<< " action '" << par().action << "' (" << nBasis
<< " eigenvectors)..." << std::endl;
unsigned int Ls = env().getObjectLs(par().action);
auto blockSize = strToVec<int>(par().blockSize);
env().createCoarseGrid(blockSize, Ls);
auto cg = env().getCoarseGrid(blockSize, Ls);
int cNm = (par().doCoarse) ? par().coarseParams.Nm : 0;
LOG(Message) << "Coarse grid: " << cg->GlobalDimensions() << std::endl;
envCreateDerived(BasePack, CoarsePack, getName(), Ls,
par().fineParams.Nm, cNm, env().getRbGrid(Ls), cg);
auto &epack = envGetDerived(BasePack, CoarsePack, getName());
envTmp(SchurFMat, "mat", Ls, envGet(FMat, par().action));
envGetTmp(SchurFMat, mat);
envTmp(LCL, "solver", Ls, env().getRbGrid(Ls), cg, mat,
Odd, epack.evec, epack.evecCoarse, epack.eval, epack.evalCoarse);
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl, int nBasis>
void TLocalCoherenceLanczos<FImpl, nBasis>::execute(void)
{
auto &finePar = par().fineParams;
auto &coarsePar = par().coarseParams;
auto &epack = envGetDerived(BasePack, CoarsePack, getName());
epack.record.operatorXml = vm().getModule(par().action)->parString();
epack.record.solverXml = parString();
envGetTmp(LCL, solver);
LOG(Message) << "Performing fine grid IRL -- Nstop= "
<< finePar.Nstop << ", Nk= " << finePar.Nk << ", Nm= "
<< finePar.Nm << std::endl;
solver.calcFine(finePar.Cheby, finePar.Nstop, finePar.Nk, finePar.Nm,
finePar.resid,finePar.MaxIt, finePar.betastp,
finePar.MinRes);
solver.testFine(finePar.resid*100.0);
if (!par().output.empty())
{
epack.writeFine(par().output, par().multiFile, vm().getTrajectory());
}
if (par().doCoarse)
{
LOG(Message) << "Orthogonalising" << std::endl;
solver.Orthogonalise();
LOG(Message) << "Performing coarse grid IRL -- Nstop= "
<< coarsePar.Nstop << ", Nk= " << coarsePar.Nk << ", Nm= "
<< coarsePar.Nm << std::endl;
solver.calcCoarse(coarsePar.Cheby, par().smoother, par().coarseRelaxTol,
coarsePar.Nstop, coarsePar.Nk, coarsePar.Nm,
coarsePar.resid, coarsePar.MaxIt, coarsePar.betastp,
coarsePar.MinRes);
solver.testCoarse(coarsePar.resid*100.0, par().smoother,
par().coarseRelaxTol);
if (!par().output.empty())
{
epack.writeCoarse(par().output, par().multiFile, vm().getTrajectory());
}
}
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MSolver_LocalCoherenceLanczos_hpp_

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MSolver/RBPrecCG.cc
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
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 <Hadrons/Modules/MSolver/RBPrecCG.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MSolver;
template class Grid::Hadrons::MSolver::TRBPrecCG<FIMPL,HADRONS_DEFAULT_LANCZOS_NBASIS>;
template class Grid::Hadrons::MSolver::TRBPrecCG<ZFIMPL,HADRONS_DEFAULT_LANCZOS_NBASIS>;

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MSolver/RBPrecCG.hpp
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: fionnoh <fionnoh@gmail.com>
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 */
#ifndef Hadrons_MSolver_RBPrecCG_hpp_
#define Hadrons_MSolver_RBPrecCG_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
#include <Hadrons/Solver.hpp>
#include <Hadrons/EigenPack.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Schur red-black preconditioned CG *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MSolver)
class RBPrecCGPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(RBPrecCGPar ,
std::string , action,
unsigned int, maxIteration,
double , residual,
std::string , eigenPack);
};
template <typename FImpl, int nBasis>
class TRBPrecCG: public Module<RBPrecCGPar>
{
public:
FG_TYPE_ALIASES(FImpl,);
SOLVER_TYPE_ALIASES(FImpl,);
typedef FermionEigenPack<FImpl> EPack;
typedef CoarseFermionEigenPack<FImpl, nBasis> CoarseEPack;
typedef std::shared_ptr<Guesser<FermionField>> GuesserPt;
typedef DeflatedGuesser<typename FImpl::FermionField> FineGuesser;
typedef LocalCoherenceDeflatedGuesser<
typename FImpl::FermionField,
typename CoarseEPack::CoarseField> CoarseGuesser;
public:
// constructor
TRBPrecCG(const std::string name);
// destructor
virtual ~TRBPrecCG(void) {};
// dependencies/products
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getReference(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_TMP(RBPrecCG, ARG(TRBPrecCG<FIMPL, HADRONS_DEFAULT_LANCZOS_NBASIS>), MSolver);
MODULE_REGISTER_TMP(ZRBPrecCG, ARG(TRBPrecCG<ZFIMPL, HADRONS_DEFAULT_LANCZOS_NBASIS>), MSolver);
/******************************************************************************
* TRBPrecCG template implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl, int nBasis>
TRBPrecCG<FImpl, nBasis>::TRBPrecCG(const std::string name)
: Module(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl, int nBasis>
std::vector<std::string> TRBPrecCG<FImpl, nBasis>::getInput(void)
{
std::vector<std::string> in = {};
return in;
}
template <typename FImpl, int nBasis>
std::vector<std::string> TRBPrecCG<FImpl, nBasis>::getReference(void)
{
std::vector<std::string> ref = {par().action};
if (!par().eigenPack.empty())
{
ref.push_back(par().eigenPack);
}
return ref;
}
template <typename FImpl, int nBasis>
std::vector<std::string> TRBPrecCG<FImpl, nBasis>::getOutput(void)
{
std::vector<std::string> out = {getName(), getName() + "_subtract"};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl, int nBasis>
void TRBPrecCG<FImpl, nBasis>::setup(void)
{
if (par().maxIteration == 0)
{
HADRONS_ERROR(Argument, "zero maximum iteration");
}
LOG(Message) << "setting up Schur red-black preconditioned CG for"
<< " action '" << par().action << "' with residual "
<< par().residual << ", maximum iteration "
<< par().maxIteration << std::endl;
auto Ls = env().getObjectLs(par().action);
auto &mat = envGet(FMat, par().action);
std::string guesserName = getName() + "_guesser";
GuesserPt guesser{nullptr};
if (par().eigenPack.empty())
{
guesser.reset(new ZeroGuesser<FermionField>());
}
else
{
try
{
auto &epack = envGetDerived(EPack, CoarseEPack, par().eigenPack);
LOG(Message) << "using low-mode deflation with coarse eigenpack '"
<< par().eigenPack << "' ("
<< epack.evecCoarse.size() << " modes)" << std::endl;
guesser.reset(new CoarseGuesser(epack.evec, epack.evecCoarse,
epack.evalCoarse));
}
catch (Exceptions::ObjectType &e)
{
auto &epack = envGet(EPack, par().eigenPack);
LOG(Message) << "using low-mode deflation with eigenpack '"
<< par().eigenPack << "' ("
<< epack.evec.size() << " modes)" << std::endl;
guesser.reset(new FineGuesser(epack.evec, epack.eval));
}
}
auto makeSolver = [&mat, guesser, this](bool subGuess) {
return [&mat, guesser, subGuess, this](FermionField &sol,
const FermionField &source) {
ConjugateGradient<FermionField> cg(par().residual,
par().maxIteration);
HADRONS_DEFAULT_SCHUR_SOLVE<FermionField> schurSolver(cg);
schurSolver.subtractGuess(subGuess);
schurSolver(mat, source, sol, *guesser);
};
};
auto solver = makeSolver(false);
envCreate(Solver, getName(), Ls, solver, mat);
auto solver_subtract = makeSolver(true);
envCreate(Solver, getName() + "_subtract", Ls, solver_subtract, mat);
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl, int nBasis>
void TRBPrecCG<FImpl, nBasis>::execute(void)
{}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MSolver_RBPrecCG_hpp_