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Merge pull request #332 from mmphys/feature/mres_schur

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Optional changes to Test_cayley_mres e.g. Schur solver
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Peter Boyle 2021-03-05 12:47:07 -05:00 committed by GitHub
commit d7065023cc
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1 changed files with 40 additions and 46 deletions
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86
tests/debug/Test_cayley_mres.cc
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@ -33,13 +33,14 @@ using namespace Grid;
template<class What>
void TestConserved(What & Ddwf, What & Ddwfrev,
void TestConserved(What & Ddwf,
LatticeGaugeField &Umu,
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
GridCartesian * UGrid, GridRedBlackCartesian * UrbGrid,
RealD mass, RealD M5,
GridParallelRNG *RNG4,
GridParallelRNG *RNG5);
GridParallelRNG *RNG5,
What *Ddwfrev=nullptr);
Gamma::Algebra Gmu [] = {
Gamma::Algebra::GammaX,
@ -102,10 +103,11 @@ int main (int argc, char ** argv)
GridRedBlackCartesian * FrbGridF = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGridF);
std::vector<int> seeds4({1,2,3,4});
std::vector<int> seeds5({5,6,7,8});
GridParallelRNG RNG5(FGrid); RNG5.SeedFixedIntegers(seeds5);
GridParallelRNG RNG4(UGrid); RNG4.SeedFixedIntegers(seeds4);
GridParallelRNG RNG4(UGrid);
std::vector<int> seeds4({1,2,3,4}); RNG4.SeedFixedIntegers(seeds4);
//const std::string seeds4{ "test-gauge-3000" }; RNG4.SeedUniqueString( seeds4 );
LatticeGaugeField Umu(UGrid);
if( argc > 1 && argv[1][0] != '-' )
@ -116,8 +118,8 @@ int main (int argc, char ** argv)
}
else
{
std::cout<<GridLogMessage <<"Using cold configuration"<<std::endl;
//SU<Nc>::ColdConfiguration(Umu);
std::cout<<GridLogMessage <<"Using hot configuration"<<std::endl;
// SU<Nc>::ColdConfiguration(Umu);
SU<Nc>::HotConfiguration(RNG4,Umu);
}
@ -127,7 +129,7 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage <<"DomainWallFermion test"<<std::endl;
std::cout<<GridLogMessage <<"======================"<<std::endl;
DomainWallFermionR Ddwf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
TestConserved<DomainWallFermionR>(Ddwf,Ddwf,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
TestConserved<DomainWallFermionR>(Ddwf,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
RealD b=1.5;// Scale factor b+c=2, b-c=1
RealD c=0.5;
@ -137,13 +139,13 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage <<"MobiusFermion test"<<std::endl;
std::cout<<GridLogMessage <<"======================"<<std::endl;
MobiusFermionR Dmob(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,b,c);
TestConserved<MobiusFermionR>(Dmob,Dmob,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
TestConserved<MobiusFermionR>(Dmob,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
std::cout<<GridLogMessage <<"======================"<<std::endl;
std::cout<<GridLogMessage <<"ScaledShamirFermion test"<<std::endl;
std::cout<<GridLogMessage <<"======================"<<std::endl;
ScaledShamirFermionR Dsham(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,2.0);
TestConserved<ScaledShamirFermionR>(Dsham,Dsham,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
TestConserved<ScaledShamirFermionR>(Dsham,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
std::cout<<GridLogMessage <<"======================"<<std::endl;
std::cout<<GridLogMessage <<"ZMobiusFermion test"<<std::endl;
@ -152,8 +154,7 @@ int main (int argc, char ** argv)
// for(int s=0;s<Ls;s++) omegasrev[s]=omegas[Ls-1-s];
ZMobiusFermionR ZDmob(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,omegas,b,c);
ZMobiusFermionR ZDmobrev(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,omegasrev,b,c);
TestConserved<ZMobiusFermionR>(ZDmob,ZDmobrev,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
TestConserved<ZMobiusFermionR>(ZDmob,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5,&ZDmobrev);
Grid_finalize();
}
@ -161,22 +162,17 @@ int main (int argc, char ** argv)
template<class Action>
void TestConserved(Action & Ddwf,
Action & Ddwfrev,
void TestConserved(Action & Ddwf,
LatticeGaugeField &Umu,
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
GridCartesian * UGrid, GridRedBlackCartesian * UrbGrid,
RealD mass, RealD M5,
GridParallelRNG *RNG4,
GridParallelRNG *RNG5)
GridParallelRNG *RNG5,
Action * Ddwfrev)
{
int Ls=Ddwf.Ls;
LatticePropagator phys_src(UGrid);
std::vector<LatticeColourMatrix> U(4,UGrid);
LatticePropagator seqsrc(FGrid);
LatticePropagator phys_src(UGrid);
LatticePropagator seqsrc(FGrid);
LatticePropagator prop5(FGrid);
LatticePropagator prop5rev(FGrid);
LatticePropagator prop4(UGrid);
@ -194,9 +190,9 @@ void TestConserved(Action & Ddwf,
phys_src=Zero();
pokeSite(kronecker,phys_src,coor);
MdagMLinearOperator<Action,LatticeFermion> HermOp(Ddwf);
MdagMLinearOperator<Action,LatticeFermion> HermOprev(Ddwfrev);
ConjugateGradient<LatticeFermion> CG(1.0e-16,100000);
SchurRedBlackDiagTwoSolve<LatticeFermion> schur(CG);
ZeroGuesser<LatticeFermion> zpg;
for(int s=0;s<Nd;s++){
for(int c=0;c<Nc;c++){
LatticeFermion src4 (UGrid);
@ -206,20 +202,20 @@ void TestConserved(Action & Ddwf,
Ddwf.ImportPhysicalFermionSource(src4,src5);
LatticeFermion result5(FGrid); result5=Zero();
// CGNE
LatticeFermion Mdagsrc5 (FGrid);
Ddwf.Mdag(src5,Mdagsrc5);
CG(HermOp,Mdagsrc5,result5);
schur(Ddwf,src5,result5,zpg);
std::cout<<GridLogMessage<<"spin "<<s<<" color "<<c<<" norm2(sourc5d) "<<norm2(src5)
<<" norm2(result5d) "<<norm2(result5)<<std::endl;
FermToProp<Action>(prop5,result5,s,c);
LatticeFermion result4(UGrid);
Ddwf.ExportPhysicalFermionSolution(result5,result4);
FermToProp<Action>(prop4,result4,s,c);
Ddwfrev.ImportPhysicalFermionSource(src4,src5);
Ddwfrev.Mdag(src5,Mdagsrc5);
CG(HermOprev,Mdagsrc5,result5);
if( Ddwfrev ) {
Ddwfrev->ImportPhysicalFermionSource(src4,src5);
result5 = Zero();
schur(*Ddwfrev,src5,result5,zpg);
}
FermToProp<Action>(prop5rev,result5,s,c);
}
}
@ -251,11 +247,7 @@ void TestConserved(Action & Ddwf,
PropToFerm<Action>(src5,seqsrc,s,c);
LatticeFermion result5(FGrid); result5=Zero();
// CGNE
LatticeFermion Mdagsrc5 (FGrid);
Ddwf.Mdag(src5,Mdagsrc5);
CG(HermOp,Mdagsrc5,result5);
schur(Ddwf,src5,result5,zpg);
LatticeFermion result4(UGrid);
Ddwf.ExportPhysicalFermionSolution(result5,result4);
@ -276,10 +268,10 @@ void TestConserved(Action & Ddwf,
Ddwf.ContractConservedCurrent(prop5rev,prop5,Vector_mu,phys_src,Current::Vector,Tdir);
Ddwf.ContractJ5q(prop5,PJ5q);
PA = trace(g5*Axial_mu);
SV = trace(Vector_mu);
VV = trace(gT*Vector_mu);
PP = trace(adj(prop4)*prop4);
PA = trace(g5*Axial_mu); // Pseudoscalar-Axial conserved current
SV = trace(Vector_mu); // Scalar-Vector conserved current
VV = trace(gT*Vector_mu); // (local) Vector-Vector conserved current
PP = trace(adj(prop4)*prop4); // Pseudoscalar density
// Spatial sum
sliceSum(PA,sumPA,Tdir);
@ -288,15 +280,17 @@ void TestConserved(Action & Ddwf,
sliceSum(PP,sumPP,Tdir);
sliceSum(PJ5q,sumPJ5q,Tdir);
int Nt=sumPA.size();
const int Nt{static_cast<int>(sumPA.size())};
std::cout<<GridLogMessage<<"Vector Ward identity by timeslice (~ 0)"<<std::endl;
for(int t=0;t<Nt;t++){
std::cout <<" SV "<<real(TensorRemove(sumSV[t]));
std::cout <<" VV "<<real(TensorRemove(sumVV[t]))<<std::endl;
std::cout<<GridLogMessage <<" t "<<t<<" SV "<<real(TensorRemove(sumSV[t]))<<" VV "<<real(TensorRemove(sumVV[t]))<<std::endl;
}
std::cout<<GridLogMessage<<"Axial Ward identity by timeslice (defect ~ 0)"<<std::endl;
for(int t=0;t<Nt;t++){
std::cout <<" PAc "<<real(TensorRemove(sumPA[t]));
std::cout <<" PJ5q "<<real(TensorRemove(sumPJ5q[t]));
std::cout <<" Ward Identity defect " <<real(TensorRemove(sumPA[t]-sumPA[(t-1+Nt)%Nt] - 2.0*(Ddwf.mass*sumPP[t] + sumPJ5q[t]) ))<<"\n";
const RealD DmuPAmu{real(TensorRemove(sumPA[t]-sumPA[(t-1+Nt)%Nt]))};
std::cout<<GridLogMessage<<" t "<<t<<" DmuPAmu "<<DmuPAmu
<<" PP "<<real(TensorRemove(sumPP[t]))<<" PJ5q "<<real(TensorRemove(sumPJ5q[t]))
<<" Ward Identity defect " <<(DmuPAmu - 2.*real(TensorRemove(Ddwf.mass*sumPP[t] + sumPJ5q[t])))<<std::endl;
}
///////////////////////////////