mirror of
https://github.com/paboyle/Grid.git
synced 2025-04-20 02:35:55 +01:00
222 lines
9.1 KiB
C++
222 lines
9.1 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./tests/Test_ddhmc_boundary.cc
|
|
|
|
Copyright (C) 2021
|
|
|
|
Author: Peter Boyle <paboyle@ph.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 <Grid/Grid.h>
|
|
|
|
using namespace std;
|
|
using namespace Grid;
|
|
|
|
template<class Gimpl>
|
|
void ForceTest(Action<LatticeGaugeField> &action,LatticeGaugeField & U,MomentumFilterBase<LatticeGaugeField> &Filter)
|
|
{
|
|
GridBase *UGrid = U.Grid();
|
|
std::vector<int> seeds({1,2,3,5});
|
|
GridSerialRNG sRNG; sRNG.SeedFixedIntegers(seeds);
|
|
GridParallelRNG RNG4(UGrid); RNG4.SeedFixedIntegers(seeds);
|
|
|
|
LatticeColourMatrix Pmu(UGrid);
|
|
LatticeGaugeField P(UGrid);
|
|
LatticeGaugeField UdSdU(UGrid);
|
|
|
|
std::cout << GridLogMessage << "*********************************************************"<<std::endl;
|
|
std::cout << GridLogMessage << " Force test for "<<action.action_name()<<std::endl;
|
|
std::cout << GridLogMessage << "*********************************************************"<<std::endl;
|
|
|
|
RealD eps=0.001;
|
|
|
|
std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
|
|
std::cout << GridLogMessage << " Refresh "<<action.action_name()<<std::endl;
|
|
std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
|
|
|
|
Gimpl::generate_momenta(P,sRNG,RNG4);
|
|
Filter.applyFilter(P);
|
|
|
|
SU<Nc>::HotConfiguration(RNG4,U);
|
|
|
|
action.refresh(U,sRNG,RNG4);
|
|
|
|
std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
|
|
std::cout << GridLogMessage << " Action "<<action.action_name()<<std::endl;
|
|
std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
|
|
|
|
RealD S1 = action.S(U);
|
|
|
|
Gimpl::update_field(P,U,eps);
|
|
|
|
std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
|
|
std::cout << GridLogMessage << " Derivative "<<action.action_name()<<std::endl;
|
|
std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
|
|
action.deriv(U,UdSdU);
|
|
UdSdU = Ta(UdSdU);
|
|
Filter.applyFilter(UdSdU);
|
|
|
|
DumpSliceNorm("Force",UdSdU,Nd-1);
|
|
|
|
Gimpl::update_field(P,U,eps);
|
|
std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
|
|
std::cout << GridLogMessage << " Action "<<action.action_name()<<std::endl;
|
|
std::cout << GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
|
|
|
|
RealD S2 = action.S(U);
|
|
|
|
// Use the derivative
|
|
LatticeComplex dS(UGrid); dS = Zero();
|
|
for(int mu=0;mu<Nd;mu++){
|
|
auto UdSdUmu = PeekIndex<LorentzIndex>(UdSdU,mu);
|
|
Pmu= PeekIndex<LorentzIndex>(P,mu);
|
|
dS = dS - trace(Pmu*UdSdUmu)*eps*2.0*2.0;
|
|
}
|
|
ComplexD dSpred = sum(dS);
|
|
RealD diff = S2-S1-dSpred.real();
|
|
|
|
std::cout<< GridLogMessage << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<std::endl;
|
|
std::cout<< GridLogMessage << "S1 : "<< S1 <<std::endl;
|
|
std::cout<< GridLogMessage << "S2 : "<< S2 <<std::endl;
|
|
std::cout<< GridLogMessage << "dS : "<< S2-S1 <<std::endl;
|
|
std::cout<< GridLogMessage << "dSpred : "<< dSpred.real() <<std::endl;
|
|
std::cout<< GridLogMessage << "diff : "<< diff<<std::endl;
|
|
std::cout<< GridLogMessage << "*********************************************************"<<std::endl;
|
|
assert(diff<1.0);
|
|
std::cout<< GridLogMessage << "Done" <<std::endl;
|
|
std::cout << GridLogMessage << "*********************************************************"<<std::endl;
|
|
}
|
|
|
|
int main (int argc, char ** argv)
|
|
{
|
|
Grid_init(&argc,&argv);
|
|
|
|
Coordinate latt_size = GridDefaultLatt();
|
|
Coordinate mpi_layout = GridDefaultMpi();
|
|
Coordinate simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
|
|
|
|
const int Ls=8;
|
|
const int Nt = latt_size[3];
|
|
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
|
|
GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
|
|
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
|
|
GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
|
|
|
|
GridCartesian * UGridF = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplexF::Nsimd()),GridDefaultMpi());
|
|
GridRedBlackCartesian * UrbGridF = SpaceTimeGrid::makeFourDimRedBlackGrid(UGridF);
|
|
GridCartesian * FGridF = SpaceTimeGrid::makeFiveDimGrid(Ls,UGridF);
|
|
GridRedBlackCartesian * FrbGridF = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGridF);
|
|
|
|
int threads = GridThread::GetThreads();
|
|
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
|
|
|
|
LatticeGaugeField U(UGrid);
|
|
LatticeGaugeFieldF UF(UGridF);
|
|
|
|
RealD beta=6.0;
|
|
WilsonGaugeActionR PlaqAction(beta);
|
|
IwasakiGaugeActionR RectAction(beta);
|
|
|
|
MomentumFilterNone<LatticeGaugeField> FilterNone;
|
|
ForceTest<GimplTypesR>(PlaqAction,U,FilterNone);
|
|
ForceTest<GimplTypesR>(RectAction,U,FilterNone);
|
|
|
|
////////////////////////////////////
|
|
// Unmodified matrix element
|
|
////////////////////////////////////
|
|
RealD mass=0.01;
|
|
RealD M5=1.8;
|
|
|
|
Coordinate Block({0,0,0,Nt/2});
|
|
|
|
// Double versions
|
|
typedef WilsonImplD FimplD;
|
|
typedef DirichletFermionOperator<WilsonImplR> DirichletFermion;
|
|
DomainWallFermionR DdwfPeriodic(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
|
|
DomainWallFermionR Ddwf(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
|
|
DirichletFermion DdwfDirichlet(Ddwf,Block);
|
|
|
|
DomainWallFermionR PVPeriodic(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,1.0,M5);
|
|
DomainWallFermionR PV(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,1.0,M5);
|
|
DirichletFermion PVDirichlet(PV,Block);
|
|
|
|
// Single versions
|
|
typedef WilsonImplF FimplF;
|
|
typedef DirichletFermionOperator<WilsonImplF> DirichletFermionF;
|
|
DomainWallFermionF DdwfPeriodicF(UF,*FGridF,*FrbGridF,*UGridF,*UrbGridF,mass,M5);
|
|
DomainWallFermionF DdwfF(UF,*FGridF,*FrbGridF,*UGridF,*UrbGridF,mass,M5);
|
|
DirichletFermionF DdwfDirichletF(DdwfF,Block);
|
|
|
|
DomainWallFermionF PVPeriodicF(UF,*FGridF,*FrbGridF,*UGridF,*UrbGridF,1.0,M5);
|
|
DomainWallFermionF PVF(UF,*FGridF,*FrbGridF,*UGridF,*UrbGridF,1.0,M5);
|
|
DirichletFermionF PVDirichletF(PVF,Block);
|
|
|
|
double StoppingCondition = 1.0e-12;
|
|
double MaxCGIterations = 10000;
|
|
ConjugateGradient<LatticeFermion> CG(StoppingCondition,MaxCGIterations);
|
|
|
|
DirichletFilter<LatticeGaugeField> FilterDDHMC(Block);
|
|
|
|
//////////////////// Two Flavour Determinant Ratio ///////////////////////////////
|
|
TwoFlavourRatioPseudoFermionAction<FimplD> Nf2(PVPeriodic, DdwfPeriodic,CG,CG);
|
|
ForceTest<GimplTypesR>(Nf2,U,FilterNone);
|
|
|
|
//////////////////// Two Flavour Determinant Ratio ///////////////////////////////
|
|
TwoFlavourRatioPseudoFermionAction<FimplD> Nf2deg(DdwfPeriodic, DdwfPeriodic,CG,CG);
|
|
std::cout << "*** DEGENERATE ***\n";
|
|
ForceTest<GimplTypesR>(Nf2deg,U,FilterNone);
|
|
|
|
//////////////////// Two Flavour Determinant force test Even Odd ///////////////////////////////
|
|
TwoFlavourEvenOddRatioPseudoFermionAction<FimplD> Nf2eo(PVPeriodic, DdwfPeriodic,CG,CG);
|
|
ForceTest<GimplTypesR>(Nf2eo,U,FilterNone);
|
|
|
|
//////////////////// DDHMC Boundary force ///////////////////////////////
|
|
|
|
SchurFactoredFermionOperator<FimplD,FimplF>
|
|
SchurDwf(DdwfPeriodic,DdwfPeriodicF,
|
|
DdwfDirichlet,DdwfDirichletF,
|
|
Block);
|
|
|
|
SchurFactoredFermionOperator<FimplD,FimplF>
|
|
SchurPV(PVPeriodic,PVPeriodicF,
|
|
PVDirichlet,PVDirichletF,
|
|
Block);
|
|
|
|
|
|
std::cout << "*** NUMERATOR ***\n";
|
|
DomainDecomposedBoundaryTwoFlavourPseudoFermion<FimplD,FimplF> DBPFA(SchurDwf,1.0e-8,1.0e-8);
|
|
ForceTest<GimplTypesR>(DBPFA,U,FilterDDHMC);
|
|
|
|
std::cout << "*** RATIO ***\n";
|
|
DomainDecomposedBoundaryTwoFlavourRatioPseudoFermion<FimplD,FimplF> DBPFRA(SchurPV,SchurDwf,1.0e-8,1.0e-8);
|
|
ForceTest<GimplTypesR>(DBPFRA,U,FilterDDHMC);
|
|
|
|
std::cout << "*** DEGENERATE ***\n";
|
|
DomainDecomposedBoundaryTwoFlavourRatioPseudoFermion<FimplD,FimplF> DBPFRAdeg(SchurDwf,SchurDwf,1.0e-8,1.0e-8);
|
|
ForceTest<GimplTypesR>(DBPFRAdeg,U,FilterDDHMC);
|
|
|
|
DomainDecomposedBoundaryTwoFlavourBosonPseudoFermion<FimplD,FimplF> DBPFBA(SchurPV,1.0e-8,1.0e-8);
|
|
ForceTest<GimplTypesR>(DBPFBA,U,FilterDDHMC);
|
|
|
|
Grid_finalize();
|
|
|
|
}
|