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Grid/Hadrons/Modules/MSolver/A2AVectors.hpp

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: 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,
std::string, output,
bool, multiFile);
};
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, BaseFermionEigenPack<FIMPL>>), MSolver);
MODULE_REGISTER_TMP(ZA2AVectors,
ARG(TA2AVectors<ZFIMPL, BaseFermionEigenPack<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(), envGetGrid(FermionField));
envCreate(std::vector<FermionField>, getName() + "_w", 1,
Nl_ + noise.size(), envGetGrid(FermionField));
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");
}
// I/O if necessary
if (!par().output.empty())
{
startTimer("V I/O");
A2AVectorsIo::write(par().output + "_v", v, par().multiFile, vm().getTrajectory());
stopTimer("V I/O");
startTimer("W I/O");
A2AVectorsIo::write(par().output + "_w", w, par().multiFile, vm().getTrajectory());
stopTimer("W I/O");
}
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MSolver_A2AVectors_hpp_
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