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Hadrons: sequential Aslash insertion and propagator on A2A vector

This commit is contained in:
Vera Guelpers 2018-11-08 08:58:09 +00:00
parent 4a47b11876
commit 78c1086f8b
4 changed files with 227 additions and 0 deletions

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@ -24,6 +24,7 @@
#include <Hadrons/Modules/MSolver/Guesser.hpp>
#include <Hadrons/Modules/MSolver/RBPrecCG.hpp>
#include <Hadrons/Modules/MSolver/A2AVectors.hpp>
#include <Hadrons/Modules/MSolver/A2AAslashVector.hpp>
#include <Hadrons/Modules/MGauge/UnitEm.hpp>
#include <Hadrons/Modules/MGauge/StoutSmearing.hpp>
#include <Hadrons/Modules/MGauge/Unit.hpp>

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@ -0,0 +1,35 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MSolver/A2AAslashVector.cc
Copyright (C) 2015-2018
Author: Vera Guelpers <Vera.Guelpers@ed.ac.uk>
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/A2AAslashVector.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MSolver;
template class Grid::Hadrons::MSolver::TA2AAslashVector<FIMPL>;
template class Grid::Hadrons::MSolver::TA2AAslashVector<ZFIMPL>;

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@ -0,0 +1,189 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MSolver/A2AAslashVector.hpp
Copyright (C) 2015-2018
Author: Vera Guelpers <Vera.Guelpers@ed.ac.uk>
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_A2AAslashVector_hpp_
#define Hadrons_MSolver_A2AAslashVector_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
#include <Hadrons/Solver.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Create all-to-all V & W vectors *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MSolver)
/****************************************************************************
* Calculate a sequential propagator on an insertion of i*g_mu*A_mu
* on an A2A vector
*
* vv_i(y) = S(y,x) * i * g_mu*A_mu(x) * v_i(x)
*
* with
*
* - v: A2A vector v_i(x)
* - photon: A_mu(x): electromagnetic photon field
* - solver: the solver for calculating the sequential propagator
*
*****************************************************************************/
class A2AAslashVectorPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(A2AAslashVectorPar,
std::string, v,
std::string, photon,
std::string, solver);
};
template <typename FImpl>
class TA2AAslashVector : public Module<A2AAslashVectorPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
SOLVER_TYPE_ALIASES(FImpl,);
public:
typedef PhotonR::GaugeField EmField;
public:
// constructor
TA2AAslashVector(const std::string name);
// destructor
virtual ~TA2AAslashVector(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:
unsigned int Ls_;
};
MODULE_REGISTER_TMP(A2AAslashVector,TA2AAslashVector<FIMPL>, MSolver);
MODULE_REGISTER_TMP(ZA2AAslashVector,TA2AAslashVector<ZFIMPL>, MSolver);
/******************************************************************************
* TA2AAslashVector implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TA2AAslashVector<FImpl>::TA2AAslashVector(const std::string name)
: Module<A2AAslashVectorPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TA2AAslashVector<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().v, par().photon, par().solver};
return in;
}
template <typename FImpl>
std::vector<std::string> TA2AAslashVector<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TA2AAslashVector<FImpl>::setup(void)
{
Ls_ = env().getObjectLs(par().solver);
auto &vvector = envGet(std::vector<FermionField>, par().v);
unsigned int Nmodes = vvector.size();
envCreate(std::vector<FermionField>, getName(), 1,
Nmodes, envGetGrid(FermionField));
envTmpLat(FermionField, "v4dtmp");
envTmpLat(FermionField, "v5dtmp", Ls_);
envTmpLat(FermionField, "v5dtmp_sol", Ls_);
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TA2AAslashVector<FImpl>::execute(void)
{
auto &solver = envGet(Solver, par().solver);
auto &stoch_photon = envGet(EmField, par().photon);
auto &vvector = envGet(std::vector<FermionField>, par().v);
auto &Aslashv = envGet(std::vector<FermionField>, getName());
unsigned int Nmodes = vvector.size();
auto &mat = solver.getFMat();
envGetTmp(FermionField, v4dtmp);
envGetTmp(FermionField, v5dtmp);
envGetTmp(FermionField, v5dtmp_sol);
Complex ci(0.0,1.0);
startTimer("Seq Aslash");
LOG(Message) << "Calculate Sequential propagator on Aslash * v with the A2A vector " << par().v
<< " and the photon field " << par().photon << std::endl;
for(unsigned int i=0; i<Nmodes; i++)
{
v4dtmp = zero;
startTimer("Multiply Aslash");
for(unsigned int mu=0;mu<=3;mu++)
{
Gamma gmu(Gamma::gmu[mu]);
v4dtmp += ci * PeekIndex<LorentzIndex>(stoch_photon, mu) * (gmu * vvector[i]);
}
stopTimer("Multiply Aslash");
if (Ls_ == 1)
{
solver(Aslashv[i], v4dtmp);
}
else
{
mat.ImportPhysicalFermionSource(v4dtmp, v5dtmp);
solver(v5dtmp_sol, v5dtmp);
mat.ExportPhysicalFermionSolution(v5dtmp_sol, v4dtmp);
Aslashv[i] = v4dtmp;
}
}
stopTimer("Seq Aslash");
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MSolver_A2AAslashVector_hpp_

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@ -20,6 +20,7 @@ modules_cc =\
Modules/MSink/Point.cc \
Modules/MSink/Smear.cc \
Modules/MSolver/A2AVectors.cc \
Modules/MSolver/A2AAslashVector.cc \
Modules/MSolver/RBPrecCG.cc \
Modules/MSolver/MixedPrecisionRBPrecCG.cc \
Modules/MSolver/LocalCoherenceLanczos.cc \
@ -95,6 +96,7 @@ modules_hpp =\
Modules/MSolver/Guesser.hpp \
Modules/MSolver/RBPrecCG.hpp \
Modules/MSolver/A2AVectors.hpp \
Modules/MSolver/A2AAslashVector.hpp \
Modules/MGauge/UnitEm.hpp \
Modules/MGauge/StoutSmearing.hpp \
Modules/MGauge/Unit.hpp \