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Force test passing for boundary det
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Peter Boyle
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202
tests/forces/Test_ddhmc_boundary.cc
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202
tests/forces/Test_ddhmc_boundary.cc
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_ddhmc_boundary.cc
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Copyright (C) 2021
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Author: Peter Boyle <paboyle@ph.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 <Grid/Grid.h>
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#include <Grid/qcd/action/momentum/DirichletFilter.h>
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#include <Grid/qcd/action/momentum/DDHMCFilter.h>
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#include <Grid/qcd/action/fermion/DirichletFermionOperator.h>
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#include <Grid/qcd/action/fermion/SchurFactoredFermionOperator.h>
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#include <Grid/qcd/action/pseudofermion/DomainDecomposedBoundaryTwoFlavourPseudoFermion.h>
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#include <Grid/qcd/action/pseudofermion/DomainDecomposedBoundaryTwoFlavourRatioPseudoFermion.h>
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#include <Grid/qcd/action/pseudofermion/DomainDecomposedBoundaryTwoFlavourBosonPseudoFermion.h>
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using namespace std;
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using namespace Grid;
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template<class Gimpl>
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void ForceTest(Action<LatticeGaugeField> &action,LatticeGaugeField & U,MomentumFilterBase<LatticeGaugeField> &Filter)
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{
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GridBase *UGrid = U.Grid();
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std::vector<int> seeds({1,2,3,5});
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GridSerialRNG sRNG; sRNG.SeedFixedIntegers(seeds);
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GridParallelRNG RNG4(UGrid); RNG4.SeedFixedIntegers(seeds);
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LatticeColourMatrix Pmu(UGrid);
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LatticeGaugeField P(UGrid);
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LatticeGaugeField UdSdU(UGrid);
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std::cout << GridLogMessage << "*********************************************************"<<std::endl;
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std::cout << GridLogMessage << " Force test for "<<action.action_name()<<std::endl;
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std::cout << GridLogMessage << "*********************************************************"<<std::endl;
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RealD eps=0.001;
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std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
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std::cout << GridLogMessage << " Refresh "<<action.action_name()<<std::endl;
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std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
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Gimpl::generate_momenta(P,sRNG,RNG4);
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Filter.applyFilter(P);
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SU<Nc>::HotConfiguration(RNG4,U);
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action.refresh(U,sRNG,RNG4);
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std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
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std::cout << GridLogMessage << " Action "<<action.action_name()<<std::endl;
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std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
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RealD S1 = action.S(U);
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Gimpl::update_field(P,U,eps);
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std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
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std::cout << GridLogMessage << " Derivative "<<action.action_name()<<std::endl;
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std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
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action.deriv(U,UdSdU);
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UdSdU = Ta(UdSdU);
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Filter.applyFilter(UdSdU);
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DumpSliceNorm("Force",UdSdU,Nd-1);
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Gimpl::update_field(P,U,eps);
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std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
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std::cout << GridLogMessage << " Action "<<action.action_name()<<std::endl;
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std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
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RealD S2 = action.S(U);
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// Use the derivative
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LatticeComplex dS(UGrid); dS = Zero();
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for(int mu=0;mu<Nd;mu++){
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auto UdSdUmu = PeekIndex<LorentzIndex>(UdSdU,mu);
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Pmu= PeekIndex<LorentzIndex>(P,mu);
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dS = dS - trace(Pmu*UdSdUmu)*eps*2.0*2.0;
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}
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ComplexD dSpred = sum(dS);
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RealD diff = S2-S1-dSpred.real();
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std::cout<< GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
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std::cout<< GridLogMessage << "S1 : "<< S1 <<std::endl;
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std::cout<< GridLogMessage << "S2 : "<< S2 <<std::endl;
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std::cout<< GridLogMessage << "dS : "<< S2-S1 <<std::endl;
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std::cout<< GridLogMessage << "dSpred : "<< dSpred.real() <<std::endl;
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std::cout<< GridLogMessage << "diff : "<< diff<<std::endl;
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std::cout<< GridLogMessage << "*********************************************************"<<std::endl;
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assert(diff<1.0);
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std::cout<< GridLogMessage << "Done" <<std::endl;
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std::cout << GridLogMessage << "*********************************************************"<<std::endl;
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}
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int main (int argc, char ** argv)
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{
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Grid_init(&argc,&argv);
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Coordinate latt_size = GridDefaultLatt();
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Coordinate simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
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Coordinate mpi_layout = GridDefaultMpi();
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const int Ls=8;
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GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
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GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
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GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
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GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
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int threads = GridThread::GetThreads();
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std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
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LatticeGaugeField U(UGrid);
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RealD beta=6.0;
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WilsonGaugeActionR PlaqAction(beta);
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IwasakiGaugeActionR RectAction(beta);
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MomentumFilterNone<LatticeGaugeField> FilterNone;
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ForceTest<GimplTypesR>(PlaqAction,U,FilterNone);
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ForceTest<GimplTypesR>(RectAction,U,FilterNone);
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////////////////////////////////////
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// Unmodified matrix element
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////////////////////////////////////
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RealD mass=0.01;
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RealD M5=1.8;
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typedef DirichletFermionOperator<WilsonImplR> DirichletFermion;
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Coordinate Block({16,16,16,8});
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DomainWallFermionR DdwfPeriodic(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
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DomainWallFermionR Ddwf(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
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DirichletFermion DdwfDirichlet(Ddwf,Block);
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DomainWallFermionR PVPeriodic(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,1.0,M5);
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DomainWallFermionR PV(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,1.0,M5);
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DirichletFermion PVDirichlet(PV,Block);
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double StoppingCondition = 1.0e-12;
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double MaxCGIterations = 10000;
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ConjugateGradient<LatticeFermion> CG(StoppingCondition,MaxCGIterations);
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// DDHMCFilter<LatticeGaugeField> FilterDDHMC(Block,1);
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DirichletFilter<LatticeGaugeField> FilterDDHMC(Block);
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//////////////////// Two Flavour Determinant Ratio ///////////////////////////////
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typedef WilsonImplR FermionImplPolicy;
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TwoFlavourRatioPseudoFermionAction<FermionImplPolicy> Nf2(PVPeriodic, DdwfPeriodic,CG,CG);
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ForceTest<GimplTypesR>(Nf2,U,FilterNone);
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//////////////////// Two Flavour Determinant force test Even Odd ///////////////////////////////
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TwoFlavourEvenOddRatioPseudoFermionAction<FermionImplPolicy> Nf2eo(PVPeriodic, DdwfPeriodic,CG,CG);
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ForceTest<GimplTypesR>(Nf2eo,U,FilterNone);
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//////////////////// DDHMC Boundary force ///////////////////////////////
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SchurFactoredFermionOperator<DomainWallFermionR::Impl_t>
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SchurDwf(DdwfPeriodic,
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DdwfDirichlet,
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CG,Block);
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SchurFactoredFermionOperator<DomainWallFermionR::Impl_t>
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SchurPV(PVPeriodic,
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PVDirichlet,
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CG,Block);
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DomainDecomposedBoundaryTwoFlavourPseudoFermion<DomainWallFermionR::Impl_t> DBPFA(SchurDwf,CG,CG);
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ForceTest<GimplTypesR>(DBPFA,U,FilterDDHMC);
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DomainDecomposedBoundaryTwoFlavourRatioPseudoFermion<DomainWallFermionR::Impl_t> DBPFRA(SchurPV,SchurDwf,CG,CG);
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ForceTest<GimplTypesR>(DBPFRA,U,FilterDDHMC);
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DomainDecomposedBoundaryTwoFlavourBosonPseudoFermion<DomainWallFermionR::Impl_t> DBPFBA(SchurPV,CG,CG);
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ForceTest<GimplTypesR>(DBPFBA,U,FilterDDHMC);
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Grid_finalize();
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}
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