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Gparity modifications in the Gparity compressor variant.

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Peter Boyle
2015-08-11 06:22:20 +01:00
parent 84a66476ab
commit 0a9ebac514
2 changed files with 46 additions and 9 deletions
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47
lib/qcd/action/fermion/WilsonCompressor.h
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@ -19,7 +19,7 @@ namespace QCD {
mu=p;
};
virtual SiteHalfSpinor operator () (const SiteSpinor &in) {
virtual SiteHalfSpinor operator () (const SiteSpinor &in,int dim,int plane,int osite,GridBase *grid) {
return spinproject(in);
}
@ -67,13 +67,50 @@ namespace QCD {
template<class SiteHalfSpinor,class SiteSpinor>
class GparityWilsonCompressor : public WilsonCompressor<SiteHalfSpinor,SiteSpinor>{
public:
GparityWilsonCompressor(int _dag) : WilsonCompressor<SiteHalfSpinor,SiteSpinor> (_dag){};
SiteHalfSpinor operator () (const SiteSpinor &in)
SiteHalfSpinor operator () (const SiteSpinor &in,int dim,int plane,int osite,GridBase *grid)
{
SiteHalfSpinor tmp = spinproject(in);
if( 0 ) tmp = flavourflip(tmp);
std::vector<int> Gbcs({1,0,0,0});
typedef typename SiteHalfSpinor::scalar_object scalar_object;
const int Nsimd = grid->Nsimd();
int ocb=grid->CheckerBoardFromOindex(osite);
SiteHalfSpinor tmp = spinproject(in); // spin projected
//////////////////////////////////////////////////////////////
// Check whether we must flavour flip
// do this if source is plane 0 on processor 0 in dimension dim
//////////////////////////////////////////////////////////////
if ( (this->mu==Xp)||(this->mu==Yp)||(this->mu==Zp)||(this->mu==Tp) ) {
if ( Gbcs[this->mu] && (grid->_processor_coor[dim] == 0) && (plane==0) && (ocb==0) ) {
std::vector<scalar_object> flat(Nsimd);
extract(tmp,flat);
for(int i=0;i<Nsimd;i++) {
std::vector<int> coor;
grid->iCoorFromIindex(coor,i);
if ( coor[dim]==0 ) {
scalar_object stmp;
stmp(0) = flat[i](1);
stmp(1) = flat[i](0);
flat[i] = stmp;
}
}
merge(tmp,flat);
} // coor & bc guard
} // shift guard
return tmp;
}