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physical fermion interface, cshift benchmark in SU3.

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paboyle
2018-04-18 01:43:29 +01:00
parent f7f043d8cf
commit b5510427f9
4 changed files with 86 additions and 5 deletions
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29
lib/qcd/action/fermion/CayleyFermion5D.cc
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@ -52,6 +52,35 @@ namespace QCD {
{
}
///////////////////////////////////////////////////////////////
// Physical surface field utilities
///////////////////////////////////////////////////////////////
template<class Impl>
void CayleyFermion5D<Impl>::ExportPhysicalFermionSolution(const FermionField &solution5d,FermionField &exported4d)
{
int Ls = this->Ls;
FermionField tmp(this->FermionGrid());
tmp = solution5d;
conformable(solution5d._grid,this->FermionGrid());
conformable(exported4d._grid,this->GaugeGrid());
axpby_ssp_pminus(tmp, 0., solution5d, 1., solution5d, 0, 0);
axpby_ssp_pplus (tmp, 1., tmp , 1., solution5d, 0, Ls-1);
ExtractSlice(exported4d, tmp, 0, 0);
}
template<class Impl>
void CayleyFermion5D<Impl>::ImportPhysicalFermionSource(const FermionField &input4d,FermionField &imported5d)
{
int Ls = this->Ls;
FermionField tmp(this->FermionGrid());
conformable(imported5d._grid,this->FermionGrid());
conformable(input4d._grid ,this->GaugeGrid());
tmp = zero;
InsertSlice(input4d, tmp, 0 , 0);
InsertSlice(input4d, tmp, Ls-1, 0);
axpby_ssp_pplus (tmp, 0., tmp, 1., tmp, 0, 0);
axpby_ssp_pminus(tmp, 0., tmp, 1., tmp, Ls-1, Ls-1);
Dminus(tmp,imported5d);
}
template<class Impl>
void CayleyFermion5D<Impl>::Dminus(const FermionField &psi, FermionField &chi)
{

5
lib/qcd/action/fermion/CayleyFermion5D.h
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@ -83,8 +83,13 @@ namespace Grid {
virtual void M5D (const FermionField &psi, FermionField &chi);
virtual void M5Ddag(const FermionField &psi, FermionField &chi);
///////////////////////////////////////////////////////////////
// Physical surface field utilities
///////////////////////////////////////////////////////////////
virtual void Dminus(const FermionField &psi, FermionField &chi);
virtual void DminusDag(const FermionField &psi, FermionField &chi);
virtual void ExportPhysicalFermionSolution(const FermionField &solution5d,FermionField &exported4d);
virtual void ImportPhysicalFermionSource(const FermionField &input4d,FermionField &imported5d);
/////////////////////////////////////////////////////
// Instantiate different versions depending on Impl

13
lib/qcd/action/fermion/FermionOperator.h
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@ -128,6 +128,19 @@ namespace Grid {
std::vector<Real> mom,
unsigned int tmin,
unsigned int tmax)=0;
///////////////////////////////////////////////
// Physical field import/export
///////////////////////////////////////////////
virtual void Dminus(const FermionField &psi, FermionField &chi) { chi=psi; }
virtual void DminusDag(const FermionField &psi, FermionField &chi) { chi=psi; }
virtual void ImportPhysicalFermionSource(const FermionField &input,FermionField &imported)
{
imported = input;
};
virtual void ExportPhysicalFermionSolution(const FermionField &solution,FermionField &exported)
{
exported=solution;
};
};
}