mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-21 01:25:48 +01:00
184 lines
6.3 KiB
C++
184 lines
6.3 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./lib/qcd/action/fermion/WilsonKernels.h
|
|
|
|
Copyright (C) 2015
|
|
|
|
Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
|
|
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
|
|
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 */
|
|
#ifndef GRID_QCD_DHOP_H
|
|
#define GRID_QCD_DHOP_H
|
|
|
|
namespace Grid {
|
|
namespace QCD {
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Helper routines that implement Wilson stencil for a single site.
|
|
// Common to both the WilsonFermion and WilsonFermion5D
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
class WilsonKernelsStatic {
|
|
public:
|
|
enum { OptGeneric, OptHandUnroll, OptInlineAsm };
|
|
// S-direction is INNERMOST and takes no part in the parity.
|
|
static int Opt; // these are a temporary hack
|
|
};
|
|
|
|
template<class Impl> class WilsonKernels : public FermionOperator<Impl> , public WilsonKernelsStatic {
|
|
public:
|
|
|
|
INHERIT_IMPL_TYPES(Impl);
|
|
typedef FermionOperator<Impl> Base;
|
|
|
|
public:
|
|
|
|
template <bool EnableBool = true>
|
|
typename std::enable_if<Impl::Dimension == 3 && Nc == 3 &&EnableBool, void>::type
|
|
DiracOptDhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
|
|
int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out)
|
|
{
|
|
switch(Opt) {
|
|
#ifdef AVX512
|
|
case OptInlineAsm:
|
|
WilsonKernels<Impl>::DiracOptAsmDhopSite(st,lo,U,buf,sF,sU,Ls,Ns,in,out);
|
|
break;
|
|
#endif
|
|
case OptHandUnroll:
|
|
for (int site = 0; site < Ns; site++) {
|
|
for (int s = 0; s < Ls; s++) {
|
|
WilsonKernels<Impl>::DiracOptHandDhopSite(st,lo,U,buf,sF,sU,in,out);
|
|
sF++;
|
|
}
|
|
sU++;
|
|
}
|
|
break;
|
|
case OptGeneric:
|
|
for (int site = 0; site < Ns; site++) {
|
|
for (int s = 0; s < Ls; s++) {
|
|
WilsonKernels<Impl>::DiracOptGenericDhopSite(st,lo,U,buf,sF,sU,in,out);
|
|
sF++;
|
|
}
|
|
sU++;
|
|
}
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
template <bool EnableBool = true>
|
|
typename std::enable_if<(Impl::Dimension != 3 || (Impl::Dimension == 3 && Nc != 3)) && EnableBool, void>::type
|
|
DiracOptDhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
|
|
int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out) {
|
|
// no kernel choice
|
|
for (int site = 0; site < Ns; site++) {
|
|
for (int s = 0; s < Ls; s++) {
|
|
WilsonKernels<Impl>::DiracOptGenericDhopSite(st, lo, U, buf, sF, sU, in, out);
|
|
sF++;
|
|
}
|
|
sU++;
|
|
}
|
|
}
|
|
|
|
template <bool EnableBool = true>
|
|
typename std::enable_if<Impl::Dimension == 3 && Nc == 3 && EnableBool,void>::type
|
|
DiracOptDhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
|
|
int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out) {
|
|
|
|
switch(Opt) {
|
|
#ifdef AVX512
|
|
case OptInlineAsm:
|
|
WilsonKernels<Impl>::DiracOptAsmDhopSiteDag(st,lo,U,buf,sF,sU,Ls,Ns,in,out);
|
|
break;
|
|
#endif
|
|
case OptHandUnroll:
|
|
for (int site = 0; site < Ns; site++) {
|
|
for (int s = 0; s < Ls; s++) {
|
|
WilsonKernels<Impl>::DiracOptHandDhopSiteDag(st,lo,U,buf,sF,sU,in,out);
|
|
sF++;
|
|
}
|
|
sU++;
|
|
}
|
|
break;
|
|
case OptGeneric:
|
|
for (int site = 0; site < Ns; site++) {
|
|
for (int s = 0; s < Ls; s++) {
|
|
WilsonKernels<Impl>::DiracOptGenericDhopSiteDag(st,lo,U,buf,sF,sU,in,out);
|
|
sF++;
|
|
}
|
|
sU++;
|
|
}
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
template <bool EnableBool = true>
|
|
typename std::enable_if<(Impl::Dimension != 3 || (Impl::Dimension == 3 && Nc != 3)) && EnableBool,void>::type
|
|
DiracOptDhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U,SiteHalfSpinor * buf,
|
|
int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out) {
|
|
|
|
for (int site = 0; site < Ns; site++) {
|
|
for (int s = 0; s < Ls; s++) {
|
|
WilsonKernels<Impl>::DiracOptGenericDhopSiteDag(st,lo,U,buf,sF,sU,in,out);
|
|
sF++;
|
|
}
|
|
sU++;
|
|
}
|
|
}
|
|
|
|
void DiracOptDhopDir(StencilImpl &st, DoubledGaugeField &U,SiteHalfSpinor * buf,
|
|
int sF, int sU, const FermionField &in, FermionField &out, int dirdisp, int gamma);
|
|
|
|
private:
|
|
// Specialised variants
|
|
void DiracOptGenericDhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
|
|
int sF, int sU, const FermionField &in, FermionField &out);
|
|
|
|
void DiracOptGenericDhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
|
|
int sF, int sU, const FermionField &in, FermionField &out);
|
|
|
|
void DiracOptAsmDhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
|
|
int sF, int sU, int Ls, int Ns, const FermionField &in,FermionField &out);
|
|
|
|
void DiracOptAsmDhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
|
|
int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out);
|
|
|
|
void DiracOptHandDhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
|
|
int sF, int sU, const FermionField &in, FermionField &out);
|
|
|
|
void DiracOptHandDhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
|
|
int sF, int sU, const FermionField &in, FermionField &out);
|
|
|
|
public:
|
|
|
|
WilsonKernels(const ImplParams &p = ImplParams());
|
|
|
|
};
|
|
|
|
}}
|
|
|
|
#endif
|