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Lanczos with 2 reps fixed (tobe tested)

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pretidav 2018-01-10 18:43:02 +01:00
parent a3affac963
commit cf858deb16
1 changed files with 95 additions and 33 deletions
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128
tests/lanczos/Test_WCMultiRep_lanczos.cc
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@ -32,8 +32,17 @@ using namespace std;
using namespace Grid;
using namespace Grid::QCD;
typedef WilsonFermionR FermionOp;
typedef typename WilsonFermionR::FermionField FermionField;
//typedef WilsonCloverFermionR FermionOp;
//typedef typename WilsonFermionR::FermionField FermionField;
typedef WilsonImplR FundImplPolicy;
typedef WilsonCloverFermionR FundFermionAction;
typedef typename FundFermionAction::FermionField FundFermionField;
typedef WilsonTwoIndexAntiSymmetricImplR ASymmImplPolicy;
typedef WilsonCloverTwoIndexAntiSymmetricFermionR ASymmFermionAction;
typedef typename ASymmFermionAction::FermionField ASymmFermionField;
RealD AllZero(RealD x) { return 0.; }
@ -60,49 +69,102 @@ int main(int argc, char** argv) {
GridParallelRNG RNG5rb(FrbGrid);
RNG5.SeedFixedIntegers(seeds5);
LatticeGaugeField Umu(UGrid);
SU3::HotConfiguration(RNG4, Umu);
GridParallelRNG pRNG(UGrid);
GridSerialRNG sRNG;
/*
std::vector<LatticeColourMatrix> U(4, UGrid);
for (int mu = 0; mu < Nd; mu++) {
U[mu] = PeekIndex<LorentzIndex>(Umu, mu);
}
*/
FundamentalRepresentation::LatticeField Umu(UGrid);
TwoIndexAntiSymmetricRepresentation HiRep(UGrid);
TwoIndexAntiSymmetricRepresentation::LatticeField UmuAS(UGrid);
RealD mass = -0.1;
RealD M5 = 1.8;
RealD mob_b = 1.5;
FermionOp WilsonOperator(Umu,*FGrid,*FrbGrid,mass);
MdagMLinearOperator<FermionOp,LatticeFermion> HermOp(WilsonOperator); /// <-----
//SchurDiagTwoOperator<FermionOp,FermionField> HermOp(WilsonOperator);
CheckpointerParameters CPparams;
CPparams.config_prefix = "ckpoint_lat";
CPparams.rng_prefix = "ckpoint_rng";
CPparams.format = "IEEE64BIG";
const int Nstop = 20;
const int Nk = 60;
const int Np = 60;
//NerscHmcCheckpointer<PeriodicGimplR> Checkpoint(std::string("ckpoint_lat"),
// std::string("ckpoint_rng"), 1);
NerscHmcCheckpointer<PeriodicGimplR> Checkpoint(CPparams);
int CNFGSTART=1;
int CNFGEND=2;
int CNFGSTEP=1;
Real Fundmass = -0.1;
Real Fundcsw = 1.0;
Real ASmass = -0.1;
Real AScsw = 1.0;
std::cout << "Fund: mass and csw" << Fundmass << " and " << Fundcsw << std::endl;
std::cout << "AS : mass and csw" << ASmass << " and " << AScsw << std::endl;
const int Nstop = 30;
const int Nk = 40;
const int Np = 40;
const int Nm = Nk + Np;
const int MaxIt = 10000;
RealD resid = 1.0e-6;
RealD resid = 1.0e-8;
std::vector<double> Coeffs{0, 1.};
Polynomial<FermionField> PolyX(Coeffs);
Chebyshev<FermionField> Cheb(0.0, 10., 12);
ImplicitlyRestartedLanczos<FermionField> IRL(HermOp, PolyX, Nstop, Nk, Nm,
for (int cnfg=CNFGSTART;cnfg<=CNFGEND;cnfg+=CNFGSTEP){
Checkpoint.CheckpointRestore(cnfg,Umu, sRNG, pRNG);
//SU4::HotConfiguration(RNG4, Umu); // temporary, then read.
HiRep.update_representation(Umu);
UmuAS = HiRep.U;
FundFermionAction FundFermOp(Umu,*FGrid,*FrbGrid, Fundmass, Fundcsw, Fundcsw);
MdagMLinearOperator<FundFermionAction,FundFermionField> HermOpFund(FundFermOp); /// <-----
ASymmFermionAction ASFermOp(UmuAS,*FGrid,*FrbGrid, ASmass, AScsw, AScsw);
MdagMLinearOperator<ASymmFermionAction,ASymmFermionField> HermOpAS(ASFermOp); /// <-----
std::vector<double> Coeffs{0, -1.};
Polynomial<FundFermionField> FundPolyX(Coeffs);
Chebyshev<FundFermionField> FundCheb(0.0, 10., 12);
ImplicitlyRestartedLanczos<FundFermionField> IRL_Fund(HermOpFund, FundPolyX, Nstop, Nk, Nm,
resid, MaxIt);
Polynomial<ASymmFermionField> ASPolyX(Coeffs);
Chebyshev<ASymmFermionField> ASCheb(0.0, 10., 12);
ImplicitlyRestartedLanczos<ASymmFermionField> IRL_AS(HermOpAS, ASPolyX, Nstop, Nk, Nm,
resid, MaxIt);
std::vector<RealD> Fundeval(Nm);
std::vector<RealD> ASeval(Nm);
std::vector<RealD> eval(Nm);
FermionField src(FGrid);
gaussian(RNG5, src);
std::vector<FermionField> evec(Nm, FGrid);
FundFermionField Fundsrc(FGrid);
ASymmFermionField ASsrc(FGrid);
gaussian(RNG5, Fundsrc);
gaussian(RNG5, ASsrc);
std::vector<FundFermionField> Fundevec(Nm, FGrid);
std::vector<ASymmFermionField> ASevec(Nm, FGrid);
for (int i = 0; i < 1; i++) {
std::cout << i << " / " << Nm << " grid pointer " << evec[i]._grid
std::cout << i << " / " << Nm << "Fund: grid pointer " << Fundevec[i]._grid
<< std::endl;
};
for (int i = 0; i < 1; i++) {
std::cout << i << " / " << Nm << "AS: grid pointer " << ASevec[i]._grid
<< std::endl;
};
int FundNconv, ASNconv;
IRL_Fund.calc(Fundeval, Fundevec, Fundsrc, FundNconv);
IRL_AS.calc(ASeval, ASevec, ASsrc, ASNconv);
int Nconv;
IRL.calc(eval, evec, src, Nconv);
std::cout << eval << std::endl;
for (int i=0;i<FundNconv;i++){
std::cout << "Fund: eval[" << i << "] = " << Fundeval[i] << std::endl;
}
for (int i=0;i<ASNconv;i++){
std::cout << "2Index: eval[" << i << "] = " << ASeval[i] << std::endl;
}
}
Grid_finalize();
}