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246 lines
8.2 KiB
C++
246 lines
8.2 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: extras/Hadrons/Modules/MSolver/A2AVectors.hpp
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Copyright (C) 2015-2018
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Author: Antonin Portelli <antonin.portelli@me.com>
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Author: fionnoh <fionnoh@gmail.com>
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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_A2AVectors_hpp_
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#define Hadrons_MSolver_A2AVectors_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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#include <Hadrons/EigenPack.hpp>
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#include <Hadrons/A2AVectors.hpp>
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#include <Hadrons/DilutedNoise.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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class A2AVectorsPar: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(A2AVectorsPar,
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std::string, noise,
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std::string, action,
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std::string, eigenPack,
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std::string, solver);
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};
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template <typename FImpl, typename Pack>
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class TA2AVectors : public Module<A2AVectorsPar>
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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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typedef HADRONS_DEFAULT_SCHUR_A2A<FImpl> A2A;
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public:
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// constructor
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TA2AVectors(const std::string name);
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// destructor
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virtual ~TA2AVectors(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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std::string solverName_;
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unsigned int Nl_{0};
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};
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MODULE_REGISTER_TMP(A2AVectors,
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ARG(TA2AVectors<FIMPL, FermionEigenPack<FIMPL>>), MSolver);
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MODULE_REGISTER_TMP(ZA2AVectors,
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ARG(TA2AVectors<ZFIMPL, FermionEigenPack<ZFIMPL>>), MSolver);
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/******************************************************************************
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* TA2AVectors implementation *
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******************************************************************************/
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// constructor /////////////////////////////////////////////////////////////////
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template <typename FImpl, typename Pack>
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TA2AVectors<FImpl, Pack>::TA2AVectors(const std::string name)
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: Module<A2AVectorsPar>(name)
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{}
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// dependencies/products ///////////////////////////////////////////////////////
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template <typename FImpl, typename Pack>
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std::vector<std::string> TA2AVectors<FImpl, Pack>::getInput(void)
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{
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std::string sub_string;
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std::vector<std::string> in;
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if (!par().eigenPack.empty())
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{
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in.push_back(par().eigenPack);
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sub_string = (!par().eigenPack.empty()) ? "_subtract" : "";
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}
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in.push_back(par().solver + sub_string);
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in.push_back(par().noise);
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return in;
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}
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template <typename FImpl, typename Pack>
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std::vector<std::string> TA2AVectors<FImpl, Pack>::getOutput(void)
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{
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std::vector<std::string> out = {getName() + "_v", getName() + "_w"};
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return out;
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}
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// setup ///////////////////////////////////////////////////////////////////////
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template <typename FImpl, typename Pack>
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void TA2AVectors<FImpl, Pack>::setup(void)
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{
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bool hasLowModes = (!par().eigenPack.empty());
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std::string sub_string = (hasLowModes) ? "_subtract" : "";
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auto &noise = envGet(DilutedNoise<FImpl>, par().noise);
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auto &action = envGet(FMat, par().action);
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auto &solver = envGet(Solver, par().solver + sub_string);
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int Ls = env().getObjectLs(par().action);
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if (hasLowModes)
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{
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auto &epack = envGet(Pack, par().eigenPack);
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Nl_ = epack.evec.size();
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}
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envCreate(std::vector<FermionField>, getName() + "_v", 1,
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Nl_ + noise.size(), FermionField(env().getGrid()));
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envCreate(std::vector<FermionField>, getName() + "_w", 1,
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Nl_ + noise.size(), FermionField(env().getGrid()));
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if (Ls > 1)
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{
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envTmpLat(FermionField, "f5", Ls);
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}
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envTmp(A2A, "a2a", 1, action, solver);
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}
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// execution ///////////////////////////////////////////////////////////////////
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template <typename FImpl, typename Pack>
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void TA2AVectors<FImpl, Pack>::execute(void)
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{
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std::string sub_string = (Nl_ > 0) ? "_subtract" : "";
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auto &action = envGet(FMat, par().action);
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auto &solver = envGet(Solver, par().solver + sub_string);
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auto &noise = envGet(DilutedNoise<FImpl>, par().noise);
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auto &v = envGet(std::vector<FermionField>, getName() + "_v");
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auto &w = envGet(std::vector<FermionField>, getName() + "_w");
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int Ls = env().getObjectLs(par().action);
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envGetTmp(A2A, a2a);
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if (Nl_ > 0)
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{
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LOG(Message) << "Computing all-to-all vectors "
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<< " using eigenpack '" << par().eigenPack << "' ("
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<< Nl_ << " low modes) and noise '"
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<< par().noise << "' (" << noise.size()
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<< " noise vectors)" << std::endl;
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}
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else
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{
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LOG(Message) << "Computing all-to-all vectors "
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<< " using noise '" << par().noise << "' (" << noise.size()
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<< " noise vectors)" << std::endl;
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}
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// Low modes
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for (unsigned int il = 0; il < Nl_; il++)
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{
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auto &epack = envGet(Pack, par().eigenPack);
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startTimer("V low mode");
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LOG(Message) << "V vector i = " << il << " (low mode)" << std::endl;
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if (Ls == 1)
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{
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a2a.makeLowModeV(v[il], epack.evec[il], epack.eval[il]);
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}
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else
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{
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envGetTmp(FermionField, f5);
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a2a.makeLowModeV5D(v[il], f5, epack.evec[il], epack.eval[il]);
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}
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stopTimer("V low mode");
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startTimer("W low mode");
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LOG(Message) << "W vector i = " << il << " (low mode)" << std::endl;
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if (Ls == 1)
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{
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a2a.makeLowModeW(w[il], epack.evec[il], epack.eval[il]);
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}
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else
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{
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envGetTmp(FermionField, f5);
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a2a.makeLowModeW5D(w[il], f5, epack.evec[il], epack.eval[il]);
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}
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stopTimer("W low mode");
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}
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// High modes
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for (unsigned int ih = 0; ih < noise.size(); ih++)
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{
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startTimer("V high mode");
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LOG(Message) << "V vector i = " << Nl_ + ih
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<< " (" << ((Nl_ > 0) ? "high " : "")
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<< "stochastic mode)" << std::endl;
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if (Ls == 1)
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{
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a2a.makeHighModeV(v[Nl_ + ih], noise[ih]);
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}
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else
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{
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envGetTmp(FermionField, f5);
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a2a.makeHighModeV5D(v[Nl_ + ih], f5, noise[ih]);
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}
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stopTimer("V high mode");
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startTimer("W high mode");
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LOG(Message) << "W vector i = " << Nl_ + ih
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<< " (" << ((Nl_ > 0) ? "high " : "")
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<< "stochastic mode)" << std::endl;
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if (Ls == 1)
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{
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a2a.makeHighModeW(w[Nl_ + ih], noise[ih]);
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}
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else
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{
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envGetTmp(FermionField, f5);
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a2a.makeHighModeW5D(w[Nl_ + ih], f5, noise[ih]);
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}
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stopTimer("W high mode");
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}
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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_A2AVectors_hpp_
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