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Hadrons: sequential Aslash insertion and propagator on A2A vector
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Vera Guelpers
parent
4a47b11876
commit
78c1086f8b
@ -24,6 +24,7 @@
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#include <Hadrons/Modules/MSolver/Guesser.hpp>
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#include <Hadrons/Modules/MSolver/RBPrecCG.hpp>
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#include <Hadrons/Modules/MSolver/A2AVectors.hpp>
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#include <Hadrons/Modules/MSolver/A2AAslashVector.hpp>
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#include <Hadrons/Modules/MGauge/UnitEm.hpp>
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#include <Hadrons/Modules/MGauge/StoutSmearing.hpp>
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#include <Hadrons/Modules/MGauge/Unit.hpp>
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35
Hadrons/Modules/MSolver/A2AAslashVector.cc
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35
Hadrons/Modules/MSolver/A2AAslashVector.cc
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: Hadrons/Modules/MSolver/A2AAslashVector.cc
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Copyright (C) 2015-2018
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Author: Vera Guelpers <Vera.Guelpers@ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#include <Hadrons/Modules/MSolver/A2AAslashVector.hpp>
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using namespace Grid;
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using namespace Hadrons;
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using namespace MSolver;
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template class Grid::Hadrons::MSolver::TA2AAslashVector<FIMPL>;
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template class Grid::Hadrons::MSolver::TA2AAslashVector<ZFIMPL>;
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189
Hadrons/Modules/MSolver/A2AAslashVector.hpp
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189
Hadrons/Modules/MSolver/A2AAslashVector.hpp
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@ -0,0 +1,189 @@
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: Hadrons/Modules/MSolver/A2AAslashVector.hpp
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Copyright (C) 2015-2018
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Author: Vera Guelpers <Vera.Guelpers@ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#ifndef Hadrons_MSolver_A2AAslashVector_hpp_
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#define Hadrons_MSolver_A2AAslashVector_hpp_
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#include <Hadrons/Global.hpp>
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#include <Hadrons/Module.hpp>
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#include <Hadrons/ModuleFactory.hpp>
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#include <Hadrons/Solver.hpp>
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BEGIN_HADRONS_NAMESPACE
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/******************************************************************************
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* Create all-to-all V & W vectors *
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******************************************************************************/
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BEGIN_MODULE_NAMESPACE(MSolver)
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/****************************************************************************
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* Calculate a sequential propagator on an insertion of i*g_mu*A_mu
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* on an A2A vector
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*
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* vv_i(y) = S(y,x) * i * g_mu*A_mu(x) * v_i(x)
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*
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* with
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*
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* - v: A2A vector v_i(x)
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* - photon: A_mu(x): electromagnetic photon field
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* - solver: the solver for calculating the sequential propagator
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*
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*****************************************************************************/
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class A2AAslashVectorPar: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(A2AAslashVectorPar,
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std::string, v,
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std::string, photon,
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std::string, solver);
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};
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template <typename FImpl>
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class TA2AAslashVector : public Module<A2AAslashVectorPar>
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{
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public:
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FERM_TYPE_ALIASES(FImpl,);
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SOLVER_TYPE_ALIASES(FImpl,);
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public:
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typedef PhotonR::GaugeField EmField;
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public:
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// constructor
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TA2AAslashVector(const std::string name);
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// destructor
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virtual ~TA2AAslashVector(void) {};
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// dependency relation
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virtual std::vector<std::string> getInput(void);
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virtual std::vector<std::string> getOutput(void);
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// setup
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virtual void setup(void);
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// execution
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virtual void execute(void);
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private:
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unsigned int Ls_;
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};
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MODULE_REGISTER_TMP(A2AAslashVector,TA2AAslashVector<FIMPL>, MSolver);
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MODULE_REGISTER_TMP(ZA2AAslashVector,TA2AAslashVector<ZFIMPL>, MSolver);
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/******************************************************************************
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* TA2AAslashVector implementation *
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******************************************************************************/
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// constructor /////////////////////////////////////////////////////////////////
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template <typename FImpl>
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TA2AAslashVector<FImpl>::TA2AAslashVector(const std::string name)
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: Module<A2AAslashVectorPar>(name)
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{}
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// dependencies/products ///////////////////////////////////////////////////////
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template <typename FImpl>
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std::vector<std::string> TA2AAslashVector<FImpl>::getInput(void)
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{
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std::vector<std::string> in = {par().v, par().photon, par().solver};
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return in;
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}
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template <typename FImpl>
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std::vector<std::string> TA2AAslashVector<FImpl>::getOutput(void)
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{
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std::vector<std::string> out = {getName()};
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return out;
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}
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// setup ///////////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TA2AAslashVector<FImpl>::setup(void)
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{
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Ls_ = env().getObjectLs(par().solver);
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auto &vvector = envGet(std::vector<FermionField>, par().v);
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unsigned int Nmodes = vvector.size();
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envCreate(std::vector<FermionField>, getName(), 1,
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Nmodes, envGetGrid(FermionField));
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envTmpLat(FermionField, "v4dtmp");
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envTmpLat(FermionField, "v5dtmp", Ls_);
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envTmpLat(FermionField, "v5dtmp_sol", Ls_);
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}
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// execution ///////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TA2AAslashVector<FImpl>::execute(void)
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{
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auto &solver = envGet(Solver, par().solver);
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auto &stoch_photon = envGet(EmField, par().photon);
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auto &vvector = envGet(std::vector<FermionField>, par().v);
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auto &Aslashv = envGet(std::vector<FermionField>, getName());
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unsigned int Nmodes = vvector.size();
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auto &mat = solver.getFMat();
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envGetTmp(FermionField, v4dtmp);
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envGetTmp(FermionField, v5dtmp);
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envGetTmp(FermionField, v5dtmp_sol);
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Complex ci(0.0,1.0);
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startTimer("Seq Aslash");
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LOG(Message) << "Calculate Sequential propagator on Aslash * v with the A2A vector " << par().v
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<< " and the photon field " << par().photon << std::endl;
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for(unsigned int i=0; i<Nmodes; i++)
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{
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v4dtmp = zero;
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startTimer("Multiply Aslash");
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for(unsigned int mu=0;mu<=3;mu++)
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{
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Gamma gmu(Gamma::gmu[mu]);
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v4dtmp += ci * PeekIndex<LorentzIndex>(stoch_photon, mu) * (gmu * vvector[i]);
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}
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stopTimer("Multiply Aslash");
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if (Ls_ == 1)
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{
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solver(Aslashv[i], v4dtmp);
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}
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else
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{
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mat.ImportPhysicalFermionSource(v4dtmp, v5dtmp);
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solver(v5dtmp_sol, v5dtmp);
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mat.ExportPhysicalFermionSolution(v5dtmp_sol, v4dtmp);
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Aslashv[i] = v4dtmp;
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}
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}
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stopTimer("Seq Aslash");
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}
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END_MODULE_NAMESPACE
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END_HADRONS_NAMESPACE
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#endif // Hadrons_MSolver_A2AAslashVector_hpp_
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@ -20,6 +20,7 @@ modules_cc =\
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Modules/MSink/Point.cc \
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Modules/MSink/Smear.cc \
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Modules/MSolver/A2AVectors.cc \
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Modules/MSolver/A2AAslashVector.cc \
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Modules/MSolver/RBPrecCG.cc \
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Modules/MSolver/MixedPrecisionRBPrecCG.cc \
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Modules/MSolver/LocalCoherenceLanczos.cc \
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@ -95,6 +96,7 @@ modules_hpp =\
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Modules/MSolver/Guesser.hpp \
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Modules/MSolver/RBPrecCG.hpp \
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Modules/MSolver/A2AVectors.hpp \
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Modules/MSolver/A2AAslashVector.hpp \
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Modules/MGauge/UnitEm.hpp \
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Modules/MGauge/StoutSmearing.hpp \
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Modules/MGauge/Unit.hpp \
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