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Hand unrolled version of dslash in a separate class.

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Useful to compare; raises Intel compiler from 9GFlop/s to 17.5 Gflops.
                   on ivybridge core. Raises Clang form 14.5 to 17.5
This commit is contained in:
Peter Boyle
2015-05-26 19:54:03 +01:00
parent 37721572e7
commit 840754dd42
9 changed files with 157 additions and 370 deletions
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14
benchmarks/Grid_wilson.cc
View File

@@ -31,11 +31,9 @@ int main (int argc, char ** argv)
std::cout << "Grid is setup to use "<<threads<<" threads"<<std::endl;
std::vector<int> seeds({1,2,3,4});
GridParallelRNG pRNG(&Grid);
// std::vector<int> seeds({1,2,3,4});
// pRNG.SeedFixedIntegers(seeds);
pRNG.SeedRandomDevice();
pRNG.SeedFixedIntegers(seeds);
// pRNG.SeedRandomDevice();
LatticeFermion src (&Grid); random(pRNG,src);
LatticeFermion result(&Grid); result=zero;
@@ -55,8 +53,10 @@ int main (int argc, char ** argv)
Complex cone(1.0,0.0);
for(int nn=0;nn<Nd;nn++){
random(pRNG,U[nn]);
if (nn!=0) U[nn]=zero;
else U[nn] = cone;
if(0) {
if (nn==-1) { U[nn]=zero; std::cout << "zeroing gauge field in dir "<<nn<<std::endl; }
else { U[nn] = cone;std::cout << "unit gauge field in dir "<<nn<<std::endl; }
}
pokeIndex<LorentzIndex>(Umu,U[nn],nn);
}
@@ -85,7 +85,7 @@ int main (int argc, char ** argv)
WilsonMatrix Dw(Umu,Grid,RBGrid,mass);
std::cout << "Calling Dw"<<std::endl;
int ncall=1000;
int ncall=10000;
double t0=usecond();
for(int i=0;i<ncall;i++){
Dw.Dhop(src,result,0);

1
lib/Grid.h
View File

@@ -65,7 +65,6 @@
namespace Grid {
void Grid_init(int *argc,char ***argv);
void Grid_finalize(void);
// internal, controled with --handle

3
lib/Grid_init.cc
View File

@@ -142,6 +142,9 @@ void Grid_init(int *argc,char ***argv)
if( !GridCmdOptionExists(*argv,*argv+*argc,"--debug-stdout") ){
Grid_quiesce_nodes();
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--dslash-opt") ){
WilsonMatrix::HandOptDslash=1;
}
GridParseLayout(*argv,*argc,
Grid_default_latt,
Grid_default_mpi);

100
lib/Grid_simd.h
View File

@@ -162,6 +162,74 @@ namespace Grid {
// Permute 3 possible on longer iVector lengths (512bit = 8 double = 16 single)
// Permute 4 possible on half precision @512bit vectors.
//////////////////////////////////////////////////////////
template<class vsimd>
inline void Gpermute0(vsimd &y,const vsimd &b) {
union {
fvec f;
decltype(vsimd::v) v;
} conv;
conv.v = b.v;
#ifdef SSE4
conv.f = _mm_shuffle_ps(conv.f,conv.f,_MM_SHUFFLE(1,0,3,2));
#endif
#if defined(AVX1)||defined(AVX2)
conv.f = _mm256_permute2f128_ps(conv.f,conv.f,0x01);
#endif
#ifdef AVX512
conv.f = _mm512_permute4f128_ps(conv.f,(_MM_PERM_ENUM)_MM_SHUFFLE(1,0,3,2));
#endif
y.v=conv.v;
};
template<class vsimd>
inline void Gpermute1(vsimd &y,const vsimd &b) {
union {
fvec f;
decltype(vsimd::v) v;
} conv;
conv.v = b.v;
#ifdef SSE4
conv.f = _mm_shuffle_ps(conv.f,conv.f,_MM_SHUFFLE(2,3,0,1));
#endif
#if defined(AVX1)||defined(AVX2)
conv.f = _mm256_shuffle_ps(conv.f,conv.f,_MM_SHUFFLE(1,0,3,2));
#endif
#ifdef AVX512
conv.f = _mm512_permute4f128_ps(conv.f,(_MM_PERM_ENUM)_MM_SHUFFLE(2,3,0,1));
#endif
y.v=conv.v;
};
template<class vsimd>
inline void Gpermute2(vsimd &y,const vsimd &b) {
union {
fvec f;
decltype(vsimd::v) v;
} conv;
conv.v = b.v;
#ifdef SSE4
#endif
#if defined(AVX1)||defined(AVX2)
conv.f = _mm256_shuffle_ps(conv.f,conv.f,_MM_SHUFFLE(2,3,0,1));
#endif
#ifdef AVX512
conv.f = _mm512_swizzle_ps(conv.f,_MM_SWIZ_REG_BADC);
#endif
y.v=conv.v;
};
template<class vsimd>
inline void Gpermute3(vsimd &y,const vsimd &b) {
union {
fvec f;
decltype(vsimd::v) v;
} conv;
conv.v = b.v;
#ifdef AVX512
conv.f = _mm512_swizzle_ps(conv.f,_MM_SWIZ_REG_CDAB);
#endif
y.v=conv.v;
};
template<class vsimd>
inline void Gpermute(vsimd &y,const vsimd &b,int perm){
union {
@@ -170,36 +238,12 @@ inline void Gpermute(vsimd &y,const vsimd &b,int perm){
} conv;
conv.v = b.v;
switch (perm){
#if defined(AVX1)||defined(AVX2)
// 8x32 bits=>3 permutes
case 2:
conv.f = _mm256_shuffle_ps(conv.f,conv.f,_MM_SHUFFLE(2,3,0,1));
break;
case 1: conv.f = _mm256_shuffle_ps(conv.f,conv.f,_MM_SHUFFLE(1,0,3,2)); break;
case 0: conv.f = _mm256_permute2f128_ps(conv.f,conv.f,0x01); break;
#endif
#ifdef SSE4
case 1: conv.f = _mm_shuffle_ps(conv.f,conv.f,_MM_SHUFFLE(2,3,0,1)); break;
case 0: conv.f = _mm_shuffle_ps(conv.f,conv.f,_MM_SHUFFLE(1,0,3,2));break;
#endif
#ifdef AVX512
// 16 floats=> permutes
// Permute 0 every abcd efgh ijkl mnop -> badc fehg jilk nmpo
// Permute 1 every abcd efgh ijkl mnop -> cdab ghef jkij opmn
// Permute 2 every abcd efgh ijkl mnop -> efgh abcd mnop ijkl
// Permute 3 every abcd efgh ijkl mnop -> ijkl mnop abcd efgh
case 3: conv.f = _mm512_swizzle_ps(conv.f,_MM_SWIZ_REG_CDAB); break;
case 2: conv.f = _mm512_swizzle_ps(conv.f,_MM_SWIZ_REG_BADC); break;
case 1: conv.f = _mm512_permute4f128_ps(conv.f,(_MM_PERM_ENUM)_MM_SHUFFLE(2,3,0,1)); break;
case 0: conv.f = _mm512_permute4f128_ps(conv.f,(_MM_PERM_ENUM)_MM_SHUFFLE(1,0,3,2)); break;
#endif
#ifdef QPX
#error not implemented
#endif
case 3: Gpermute3(y,b); break;
case 2: Gpermute2(y,b); break;
case 1: Gpermute1(y,b); break;
case 0: Gpermute0(y,b); break;
default: assert(0); break;
}
y.v=conv.v;
};
};

2
lib/Makefile.am
View File

@@ -18,6 +18,8 @@ libGrid_a_SOURCES = \
Grid_init.cc \
stencil/Grid_stencil_common.cc \
qcd/Grid_qcd_dirac.cc \
qcd/Grid_qcd_dhop.cc \
qcd/Grid_qcd_dhop_hand.cc \
qcd/Grid_qcd_wilson_dop.cc \
algorithms/approx/Zolotarev.cc \
algorithms/approx/Remez.cc \

10
lib/lattice/Grid_lattice_base.h
View File

@@ -47,6 +47,11 @@ class LatticeTrinaryExpression :public std::pair<Op,std::tuple<T1,T2,T3> >, publ
LatticeTrinaryExpression(const std::pair<Op,std::tuple<T1,T2,T3> > &arg): std::pair<Op,std::tuple<T1,T2,T3> >(arg) {};
};
void inline conformable(GridBase *lhs,GridBase *rhs)
{
assert(lhs == rhs);
}
template<class vobj>
class Lattice : public LatticeBase
{
@@ -61,6 +66,7 @@ public:
typedef typename vobj::vector_type vector_type;
typedef vobj vector_object;
////////////////////////////////////////////////////////////////////////////////
// Expression Template closure support
////////////////////////////////////////////////////////////////////////////////
@@ -276,17 +282,15 @@ PARALLEL_FOR_LOOP
}
#include <lattice/Grid_lattice_conformable.h>
#include <lattice/Grid_lattice_conformable.h>
#define GRID_LATTICE_EXPRESSION_TEMPLATES
#ifdef GRID_LATTICE_EXPRESSION_TEMPLATES
#include <lattice/Grid_lattice_ET.h>
#else
#include <lattice/Grid_lattice_overload.h>
#endif
#include <lattice/Grid_lattice_arith.h>
#include <lattice/Grid_lattice_trace.h>
#include <lattice/Grid_lattice_transpose.h>
#include <lattice/Grid_lattice_local.h>

7
lib/lattice/Grid_lattice_conformable.h
View File

@@ -3,16 +3,11 @@
namespace Grid {
template<class obj1,class obj2>
void conformable(const Lattice<obj1> &lhs,const Lattice<obj2> &rhs)
template<class obj1,class obj2> void conformable(const Lattice<obj1> &lhs,const Lattice<obj2> &rhs)
{
assert(lhs._grid == rhs._grid);
assert(lhs.checkerboard == rhs.checkerboard);
}
void inline conformable(const GridBase *lhs,GridBase *rhs)
{
assert(lhs == rhs);
}
}
#endif

339
lib/qcd/Grid_qcd_wilson_dop.cc
View File

@@ -1,4 +1,3 @@
#include <Grid.h>
namespace Grid {
@@ -7,15 +6,7 @@ namespace QCD {
const std::vector<int> WilsonMatrix::directions ({0,1,2,3, 0, 1, 2, 3});
const std::vector<int> WilsonMatrix::displacements({1,1,1,1,-1,-1,-1,-1});
// Should be in header?
const int WilsonMatrix::Xp = 0;
const int WilsonMatrix::Yp = 1;
const int WilsonMatrix::Zp = 2;
const int WilsonMatrix::Tp = 3;
const int WilsonMatrix::Xm = 4;
const int WilsonMatrix::Ym = 5;
const int WilsonMatrix::Zm = 6;
const int WilsonMatrix::Tm = 7;
int WilsonMatrix::HandOptDslash;
class WilsonCompressor {
public:
@@ -39,28 +30,28 @@ const int WilsonMatrix::Tm = 7;
mudag=(mu+Nd)%(2*Nd);
}
switch(mudag) {
case WilsonMatrix::Xp:
case Xp:
spProjXp(ret,in);
break;
case WilsonMatrix::Yp:
case Yp:
spProjYp(ret,in);
break;
case WilsonMatrix::Zp:
case Zp:
spProjZp(ret,in);
break;
case WilsonMatrix::Tp:
case Tp:
spProjTp(ret,in);
break;
case WilsonMatrix::Xm:
case Xm:
spProjXm(ret,in);
break;
case WilsonMatrix::Ym:
case Ym:
spProjYm(ret,in);
break;
case WilsonMatrix::Zm:
case Zm:
spProjZm(ret,in);
break;
case WilsonMatrix::Tm:
case Tm:
spProjTm(ret,in);
break;
default:
@@ -157,316 +148,36 @@ void WilsonMatrix::MooeeInvDag(const LatticeFermion &in, LatticeFermion &out)
MooeeInv(in,out);
}
void WilsonMatrix::DhopSite(CartesianStencil &st,LatticeDoubledGaugeField &U,
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
int ss,const LatticeFermion &in, LatticeFermion &out)
{
vHalfSpinColourVector tmp;
vHalfSpinColourVector chi;
vSpinColourVector result;
vHalfSpinColourVector Uchi;
int offset,local,perm, ptype;
//#define VERBOSE( A) if ( ss<10 ) { std::cout << "site " <<ss << " " #A " neigh " << offset << " perm "<< perm <<std::endl;}
// Xp
offset = st._offsets [Xp][ss];
local = st._is_local[Xp][ss];
perm = st._permute[Xp][ss];
ptype = st._permute_type[Xp];
if ( local && perm ) {
spProjXp(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjXp(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Xp),&chi());
spReconXp(result,Uchi);
// Yp
offset = st._offsets [Yp][ss];
local = st._is_local[Yp][ss];
perm = st._permute[Yp][ss];
ptype = st._permute_type[Yp];
if ( local && perm ) {
spProjYp(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjYp(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Yp),&chi());
accumReconYp(result,Uchi);
// Zp
offset = st._offsets [Zp][ss];
local = st._is_local[Zp][ss];
perm = st._permute[Zp][ss];
ptype = st._permute_type[Zp];
if ( local && perm ) {
spProjZp(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjZp(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Zp),&chi());
accumReconZp(result,Uchi);
// Tp
offset = st._offsets [Tp][ss];
local = st._is_local[Tp][ss];
perm = st._permute[Tp][ss];
ptype = st._permute_type[Tp];
if ( local && perm ) {
spProjTp(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjTp(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Tp),&chi());
accumReconTp(result,Uchi);
// Xm
offset = st._offsets [Xm][ss];
local = st._is_local[Xm][ss];
perm = st._permute[Xm][ss];
ptype = st._permute_type[Xm];
if ( local && perm )
{
spProjXm(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjXm(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Xm),&chi());
accumReconXm(result,Uchi);
// Ym
offset = st._offsets [Ym][ss];
local = st._is_local[Ym][ss];
perm = st._permute[Ym][ss];
ptype = st._permute_type[Ym];
if ( local && perm ) {
spProjYm(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjYm(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Ym),&chi());
accumReconYm(result,Uchi);
// Zm
offset = st._offsets [Zm][ss];
local = st._is_local[Zm][ss];
perm = st._permute[Zm][ss];
ptype = st._permute_type[Zm];
if ( local && perm ) {
spProjZm(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjZm(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Zm),&chi());
accumReconZm(result,Uchi);
// Tm
offset = st._offsets [Tm][ss];
local = st._is_local[Tm][ss];
perm = st._permute[Tm][ss];
ptype = st._permute_type[Tm];
if ( local && perm ) {
spProjTm(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjTm(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Tm),&chi());
accumReconTm(result,Uchi);
vstream(out._odata[ss],result);
}
void WilsonMatrix::DhopSiteDag(CartesianStencil &st,LatticeDoubledGaugeField &U,
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
int ss,const LatticeFermion &in, LatticeFermion &out)
{
vHalfSpinColourVector tmp;
vHalfSpinColourVector chi;
vSpinColourVector result;
vHalfSpinColourVector Uchi;
int offset,local,perm, ptype;
// Xp
offset = st._offsets [Xm][ss];
local = st._is_local[Xm][ss];
perm = st._permute[Xm][ss];
ptype = st._permute_type[Xm];
if ( local && perm ) {
spProjXp(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjXp(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Xm),&chi());
spReconXp(result,Uchi);
// Yp
offset = st._offsets [Ym][ss];
local = st._is_local[Ym][ss];
perm = st._permute[Ym][ss];
ptype = st._permute_type[Ym];
if ( local && perm ) {
spProjYp(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjYp(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Ym),&chi());
accumReconYp(result,Uchi);
// Zp
offset = st._offsets [Zm][ss];
local = st._is_local[Zm][ss];
perm = st._permute[Zm][ss];
ptype = st._permute_type[Zm];
if ( local && perm ) {
spProjZp(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjZp(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Zm),&chi());
accumReconZp(result,Uchi);
// Tp
offset = st._offsets [Tm][ss];
local = st._is_local[Tm][ss];
perm = st._permute[Tm][ss];
ptype = st._permute_type[Tm];
if ( local && perm ) {
spProjTp(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjTp(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Tm),&chi());
accumReconTp(result,Uchi);
// Xm
offset = st._offsets [Xp][ss];
local = st._is_local[Xp][ss];
perm = st._permute[Xp][ss];
ptype = st._permute_type[Xp];
if ( local && perm )
{
spProjXm(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjXm(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Xp),&chi());
accumReconXm(result,Uchi);
// Ym
offset = st._offsets [Yp][ss];
local = st._is_local[Yp][ss];
perm = st._permute[Yp][ss];
ptype = st._permute_type[Yp];
if ( local && perm ) {
spProjYm(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjYm(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Yp),&chi());
accumReconYm(result,Uchi);
// Zm
offset = st._offsets [Zp][ss];
local = st._is_local[Zp][ss];
perm = st._permute[Zp][ss];
ptype = st._permute_type[Zp];
if ( local && perm ) {
spProjZm(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjZm(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Zp),&chi());
accumReconZm(result,Uchi);
// Tm
offset = st._offsets [Tp][ss];
local = st._is_local[Tp][ss];
perm = st._permute[Tp][ss];
ptype = st._permute_type[Tp];
if ( local && perm ) {
spProjTm(tmp,in._odata[offset]);
permute(chi,tmp,ptype);
} else if ( local ) {
spProjTm(chi,in._odata[offset]);
} else {
chi=buf[offset];
}
mult(&Uchi(),&U._odata[ss](Tp),&chi());
accumReconTm(result,Uchi);
vstream(out._odata[ss],result);
}
void WilsonMatrix::DhopInternal(CartesianStencil & st,LatticeDoubledGaugeField & U,
const LatticeFermion &in, LatticeFermion &out,int dag)
{
assert((dag==DaggerNo) ||(dag==DaggerYes));
WilsonCompressor compressor(dag);
st.HaloExchange<vSpinColourVector,vHalfSpinColourVector,WilsonCompressor>(in,comm_buf,compressor);
if ( dag == DaggerYes ) {
if( HandOptDslash ) {
PARALLEL_FOR_LOOP
for(int sss=0;sss<in._grid->oSites();sss++){
DhopSiteDag(st,U,comm_buf,sss,in,out);
DiracOptHand::DhopSiteDag(st,U,comm_buf,sss,in,out);
}
} else {
PARALLEL_FOR_LOOP
for(int sss=0;sss<in._grid->oSites();sss++){
DhopSite(st,U,comm_buf,sss,in,out);
DiracOpt::DhopSiteDag(st,U,comm_buf,sss,in,out);
}
}
} else {
if( HandOptDslash ) {
PARALLEL_FOR_LOOP
for(int sss=0;sss<in._grid->oSites();sss++){
DiracOptHand::DhopSite(st,U,comm_buf,sss,in,out);
}
} else {
PARALLEL_FOR_LOOP
for(int sss=0;sss<in._grid->oSites();sss++){
DiracOpt::DhopSite(st,U,comm_buf,sss,in,out);
}
}
}
}

45
lib/qcd/Grid_qcd_wilson_dop.h
View File

@@ -6,10 +6,22 @@ namespace Grid {
namespace QCD {
// Should be in header?
const int Xp = 0;
const int Yp = 1;
const int Zp = 2;
const int Tp = 3;
const int Xm = 4;
const int Ym = 5;
const int Zm = 6;
const int Tm = 7;
class WilsonMatrix : public CheckerBoardedSparseMatrixBase<LatticeFermion>
{
//NB r=1;
public:
static int HandOptDslash;
double mass;
// GridBase * grid; // Inherited
// GridBase * cbgrid;
@@ -56,14 +68,6 @@ namespace Grid {
void DhopEO(const LatticeFermion &in, LatticeFermion &out,int dag);
void DhopInternal(CartesianStencil & st,LatticeDoubledGaugeField &U,
const LatticeFermion &in, LatticeFermion &out,int dag);
// These ones will need to be package intelligently. WilsonType base class
// for use by DWF etc..
void DhopSite(CartesianStencil &st,LatticeDoubledGaugeField &U,
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
int ss,const LatticeFermion &in, LatticeFermion &out);
void DhopSiteDag(CartesianStencil &st,LatticeDoubledGaugeField &U,
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
int ss,const LatticeFermion &in, LatticeFermion &out);
typedef iScalar<iMatrix<vComplex, Nc> > matrix;
@@ -71,6 +75,31 @@ namespace Grid {
};
class DiracOpt {
public:
// These ones will need to be package intelligently. WilsonType base class
// for use by DWF etc..
static void DhopSite(CartesianStencil &st,LatticeDoubledGaugeField &U,
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
int ss,const LatticeFermion &in, LatticeFermion &out);
static void DhopSiteDag(CartesianStencil &st,LatticeDoubledGaugeField &U,
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
int ss,const LatticeFermion &in, LatticeFermion &out);
};
class DiracOptHand {
public:
// These ones will need to be package intelligently. WilsonType base class
// for use by DWF etc..
static void DhopSite(CartesianStencil &st,LatticeDoubledGaugeField &U,
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
int ss,const LatticeFermion &in, LatticeFermion &out);
static void DhopSiteDag(CartesianStencil &st,LatticeDoubledGaugeField &U,
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
int ss,const LatticeFermion &in, LatticeFermion &out);
};
}
}
#endif