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Grid/lib/qcd/action/fermion/WilsonKernels.cc

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/action/fermion/WilsonKernels.cc
Copyright (C) 2015
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
Author: Peter Boyle <peterboyle@Peters-MacBook-Pro-2.local>
Author: paboyle <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/qcd/action/fermion/FermionCore.h>
namespace Grid {
namespace QCD {
int WilsonKernelsStatic::Opt = WilsonKernelsStatic::OptGeneric;
int WilsonKernelsStatic::Comms = WilsonKernelsStatic::CommsAndCompute;
template <class Impl>
WilsonKernels<Impl>::WilsonKernels(const ImplParams &p) : Base(p){};
////////////////////////////////////////////
// Generic implementation; move to different file?
////////////////////////////////////////////
#define GENERIC_STENCIL_LEG(Dir,spProj,Recon) \
SE = st.GetEntry(ptype, Dir, sF); \
if (SE->_is_local) { \
chi_p = &chi; \
if (SE->_permute) { \
spProj(tmp, in._odata[SE->_offset]); \
permute(chi, tmp, ptype); \
} else { \
spProj(chi, in._odata[SE->_offset]); \
} \
} else { \
chi_p = &buf[SE->_offset]; \
} \
Impl::multLink(Uchi, U._odata[sU], *chi_p, Dir, SE, st); \
Recon(result, Uchi);
#define GENERIC_STENCIL_LEG_INT(Dir,spProj,Recon) \
SE = st.GetEntry(ptype, Dir, sF); \
if (SE->_is_local) { \
chi_p = &chi; \
if (SE->_permute) { \
spProj(tmp, in._odata[SE->_offset]); \
permute(chi, tmp, ptype); \
} else { \
spProj(chi, in._odata[SE->_offset]); \
} \
} else if ( st.same_node[Dir] ) { \
chi_p = &buf[SE->_offset]; \
} \
if (SE->_is_local || st.same_node[Dir] ) { \
Impl::multLink(Uchi, U._odata[sU], *chi_p, Dir, SE, st); \
Recon(result, Uchi); \
}
#define GENERIC_STENCIL_LEG_EXT(Dir,spProj,Recon) \
SE = st.GetEntry(ptype, Dir, sF); \
if ((!SE->_is_local) && (!st.same_node[Dir]) ) { \
chi_p = &buf[SE->_offset]; \
Impl::multLink(Uchi, U._odata[sU], *chi_p, Dir, SE, st); \
Recon(result, Uchi); \
nmu++; \
}
#define GENERIC_DHOPDIR_LEG(Dir,spProj,Recon) \
if (gamma == Dir) { \
if (SE->_is_local && SE->_permute) { \
spProj(tmp, in._odata[SE->_offset]); \
permute(chi, tmp, ptype); \
} else if (SE->_is_local) { \
spProj(chi, in._odata[SE->_offset]); \
} else { \
chi = buf[SE->_offset]; \
} \
Impl::multLink(Uchi, U._odata[sU], chi, dir, SE, st); \
Recon(result, Uchi); \
}
////////////////////////////////////////////////////////////////////
// All legs kernels ; comms then compute
////////////////////////////////////////////////////////////////////
template <class Impl>
void WilsonKernels<Impl>::GenericDhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U,
SiteHalfSpinor *buf, int sF,
int sU, const FermionField &in, FermionField &out)
{
SiteHalfSpinor tmp;
SiteHalfSpinor chi;
SiteHalfSpinor *chi_p;
SiteHalfSpinor Uchi;
SiteSpinor result;
StencilEntry *SE;
int ptype;
GENERIC_STENCIL_LEG(Xp,spProjXp,spReconXp);
GENERIC_STENCIL_LEG(Yp,spProjYp,accumReconYp);
GENERIC_STENCIL_LEG(Zp,spProjZp,accumReconZp);
GENERIC_STENCIL_LEG(Tp,spProjTp,accumReconTp);
GENERIC_STENCIL_LEG(Xm,spProjXm,accumReconXm);
GENERIC_STENCIL_LEG(Ym,spProjYm,accumReconYm);
GENERIC_STENCIL_LEG(Zm,spProjZm,accumReconZm);
GENERIC_STENCIL_LEG(Tm,spProjTm,accumReconTm);
vstream(out._odata[sF], result);
};
template <class Impl>
void WilsonKernels<Impl>::GenericDhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U,
SiteHalfSpinor *buf, int sF,
int sU, const FermionField &in, FermionField &out)
{
SiteHalfSpinor tmp;
SiteHalfSpinor chi;
SiteHalfSpinor *chi_p;
SiteHalfSpinor Uchi;
SiteSpinor result;
StencilEntry *SE;
int ptype;
GENERIC_STENCIL_LEG(Xm,spProjXp,spReconXp);
GENERIC_STENCIL_LEG(Ym,spProjYp,accumReconYp);
GENERIC_STENCIL_LEG(Zm,spProjZp,accumReconZp);
GENERIC_STENCIL_LEG(Tm,spProjTp,accumReconTp);
GENERIC_STENCIL_LEG(Xp,spProjXm,accumReconXm);
GENERIC_STENCIL_LEG(Yp,spProjYm,accumReconYm);
GENERIC_STENCIL_LEG(Zp,spProjZm,accumReconZm);
GENERIC_STENCIL_LEG(Tp,spProjTm,accumReconTm);
vstream(out._odata[sF], result);
};
////////////////////////////////////////////////////////////////////
// Interior kernels
////////////////////////////////////////////////////////////////////
template <class Impl>
void WilsonKernels<Impl>::GenericDhopSiteDagInt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U,
SiteHalfSpinor *buf, int sF,
int sU, const FermionField &in, FermionField &out)
{
SiteHalfSpinor tmp;
SiteHalfSpinor chi;
SiteHalfSpinor *chi_p;
SiteHalfSpinor Uchi;
SiteSpinor result;
StencilEntry *SE;
int ptype;
result=zero;
GENERIC_STENCIL_LEG_INT(Xp,spProjXp,accumReconXp);
GENERIC_STENCIL_LEG_INT(Yp,spProjYp,accumReconYp);
GENERIC_STENCIL_LEG_INT(Zp,spProjZp,accumReconZp);
GENERIC_STENCIL_LEG_INT(Tp,spProjTp,accumReconTp);
GENERIC_STENCIL_LEG_INT(Xm,spProjXm,accumReconXm);
GENERIC_STENCIL_LEG_INT(Ym,spProjYm,accumReconYm);
GENERIC_STENCIL_LEG_INT(Zm,spProjZm,accumReconZm);
GENERIC_STENCIL_LEG_INT(Tm,spProjTm,accumReconTm);
vstream(out._odata[sF], result);
};
template <class Impl>
void WilsonKernels<Impl>::GenericDhopSiteInt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U,
SiteHalfSpinor *buf, int sF,
int sU, const FermionField &in, FermionField &out)
{
SiteHalfSpinor tmp;
SiteHalfSpinor chi;
SiteHalfSpinor *chi_p;
SiteHalfSpinor Uchi;
SiteSpinor result;
StencilEntry *SE;
int ptype;
result=zero;
GENERIC_STENCIL_LEG_INT(Xm,spProjXp,accumReconXp);
GENERIC_STENCIL_LEG_INT(Ym,spProjYp,accumReconYp);
GENERIC_STENCIL_LEG_INT(Zm,spProjZp,accumReconZp);
GENERIC_STENCIL_LEG_INT(Tm,spProjTp,accumReconTp);
GENERIC_STENCIL_LEG_INT(Xp,spProjXm,accumReconXm);
GENERIC_STENCIL_LEG_INT(Yp,spProjYm,accumReconYm);
GENERIC_STENCIL_LEG_INT(Zp,spProjZm,accumReconZm);
GENERIC_STENCIL_LEG_INT(Tp,spProjTm,accumReconTm);
vstream(out._odata[sF], result);
};
////////////////////////////////////////////////////////////////////
// Exterior kernels
////////////////////////////////////////////////////////////////////
template <class Impl>
void WilsonKernels<Impl>::GenericDhopSiteDagExt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U,
SiteHalfSpinor *buf, int sF,
int sU, const FermionField &in, FermionField &out)
{
SiteHalfSpinor tmp;
SiteHalfSpinor chi;
SiteHalfSpinor *chi_p;
SiteHalfSpinor Uchi;
SiteSpinor result;
StencilEntry *SE;
int ptype;
int nmu=0;
result=zero;
GENERIC_STENCIL_LEG_EXT(Xp,spProjXp,accumReconXp);
GENERIC_STENCIL_LEG_EXT(Yp,spProjYp,accumReconYp);
GENERIC_STENCIL_LEG_EXT(Zp,spProjZp,accumReconZp);
GENERIC_STENCIL_LEG_EXT(Tp,spProjTp,accumReconTp);
GENERIC_STENCIL_LEG_EXT(Xm,spProjXm,accumReconXm);
GENERIC_STENCIL_LEG_EXT(Ym,spProjYm,accumReconYm);
GENERIC_STENCIL_LEG_EXT(Zm,spProjZm,accumReconZm);
GENERIC_STENCIL_LEG_EXT(Tm,spProjTm,accumReconTm);
if ( nmu ) {
out._odata[sF] = out._odata[sF] + result;
}
};
template <class Impl>
void WilsonKernels<Impl>::GenericDhopSiteExt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U,
SiteHalfSpinor *buf, int sF,
int sU, const FermionField &in, FermionField &out)
{
SiteHalfSpinor tmp;
SiteHalfSpinor chi;
SiteHalfSpinor *chi_p;
SiteHalfSpinor Uchi;
SiteSpinor result;
StencilEntry *SE;
int ptype;
int nmu=0;
result=zero;
GENERIC_STENCIL_LEG_EXT(Xm,spProjXp,accumReconXp);
GENERIC_STENCIL_LEG_EXT(Ym,spProjYp,accumReconYp);
GENERIC_STENCIL_LEG_EXT(Zm,spProjZp,accumReconZp);
GENERIC_STENCIL_LEG_EXT(Tm,spProjTp,accumReconTp);
GENERIC_STENCIL_LEG_EXT(Xp,spProjXm,accumReconXm);
GENERIC_STENCIL_LEG_EXT(Yp,spProjYm,accumReconYm);
GENERIC_STENCIL_LEG_EXT(Zp,spProjZm,accumReconZm);
GENERIC_STENCIL_LEG_EXT(Tp,spProjTm,accumReconTm);
if ( nmu ) {
out._odata[sF] = out._odata[sF] + result;
}
};
template <class Impl>
void WilsonKernels<Impl>::DhopDir( StencilImpl &st, DoubledGaugeField &U,SiteHalfSpinor *buf, int sF,
int sU, const FermionField &in, FermionField &out, int dir, int gamma) {
SiteHalfSpinor tmp;
SiteHalfSpinor chi;
SiteSpinor result;
SiteHalfSpinor Uchi;
StencilEntry *SE;
int ptype;
SE = st.GetEntry(ptype, dir, sF);
GENERIC_DHOPDIR_LEG(Xp,spProjXp,spReconXp);
GENERIC_DHOPDIR_LEG(Yp,spProjYp,spReconYp);
GENERIC_DHOPDIR_LEG(Zp,spProjZp,spReconZp);
GENERIC_DHOPDIR_LEG(Tp,spProjTp,spReconTp);
GENERIC_DHOPDIR_LEG(Xm,spProjXm,spReconXm);
GENERIC_DHOPDIR_LEG(Ym,spProjYm,spReconYm);
GENERIC_DHOPDIR_LEG(Zm,spProjZm,spReconZm);
GENERIC_DHOPDIR_LEG(Tm,spProjTm,spReconTm);
vstream(out._odata[sF], result);
}
FermOpTemplateInstantiate(WilsonKernels);
AdjointFermOpTemplateInstantiate(WilsonKernels);
TwoIndexFermOpTemplateInstantiate(WilsonKernels);
}}
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