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Elemental force term for Wilson dslash added and tests thereof passing.

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Now need to construct pseudofermion two flavour, ratio, one flavour, ratio
action fragments.
This commit is contained in:
Peter Boyle 2015-07-26 10:54:38 +09:00
parent 1d70a45d84
commit d9d4c5916a
18 changed files with 758 additions and 42 deletions
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3
lib/GridConfig.h.in
View File

@ -33,9 +33,6 @@
/* Support AVX2 (Advanced Vector Extensions 2) instructions */ /* Support AVX2 (Advanced Vector Extensions 2) instructions */
#undef HAVE_AVX2 #undef HAVE_AVX2
/* define if the compiler supports basic C++11 syntax */
#undef HAVE_CXX11
/* Define to 1 if you have the declaration of `be64toh', and to 0 if you /* Define to 1 if you have the declaration of `be64toh', and to 0 if you
don't. */ don't. */
#undef HAVE_DECL_BE64TOH #undef HAVE_DECL_BE64TOH

5
lib/lattice/Lattice_base.h
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@ -61,6 +61,11 @@ public:
int checkerboard; int checkerboard;
std::vector<vobj,alignedAllocator<vobj> > _odata; std::vector<vobj,alignedAllocator<vobj> > _odata;
// to pthread need a computable loop where loop induction is not required
int begin(void) { return 0;};
int end(void) { return _odata.size(); }
vobj & operator[](int i) { return _odata[i]; };
public: public:
typedef typename vobj::scalar_type scalar_type; typedef typename vobj::scalar_type scalar_type;
typedef typename vobj::vector_type vector_type; typedef typename vobj::vector_type vector_type;

15
lib/qcd/action/fermion/FermionOperator.h
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@ -39,10 +39,23 @@ namespace Grid {
virtual void Dhop (const FermionField &in, FermionField &out,int dag)=0; virtual void Dhop (const FermionField &in, FermionField &out,int dag)=0;
virtual void DhopOE(const FermionField &in, FermionField &out,int dag)=0; virtual void DhopOE(const FermionField &in, FermionField &out,int dag)=0;
virtual void DhopEO(const FermionField &in, FermionField &out,int dag)=0; virtual void DhopEO(const FermionField &in, FermionField &out,int dag)=0;
virtual void DhopDir(const FermionField &in, FermionField &out,int dir,int disp)=0; // implemented by WilsonFermion and WilsonFermion5D
// force terms; five routines; default to Dhop on diagonal
virtual void MDeriv (LatticeGaugeField &mat,const FermionField &U,const FermionField &V,int dag){DhopDeriv(mat,U,V,dag);};
virtual void MoeDeriv(LatticeGaugeField &mat,const FermionField &U,const FermionField &V,int dag){DhopDerivOE(mat,U,V,dag);};
virtual void MeoDeriv(LatticeGaugeField &mat,const FermionField &U,const FermionField &V,int dag){DhopDerivEO(mat,U,V,dag);};
virtual void MooDeriv(LatticeGaugeField &mat,const FermionField &U,const FermionField &V,int dag){mat=zero;};
virtual void MeeDeriv(LatticeGaugeField &mat,const FermionField &U,const FermionField &V,int dag){mat=zero;};
virtual void DhopDeriv (LatticeGaugeField &mat,const FermionField &U,const FermionField &V,int dag)=0;
virtual void DhopDerivEO(LatticeGaugeField &mat,const FermionField &U,const FermionField &V,int dag)=0;
virtual void DhopDerivOE(LatticeGaugeField &mat,const FermionField &U,const FermionField &V,int dag)=0;
virtual void Mdiag (const FermionField &in, FermionField &out) { Mooee(in,out);}; // Same as Mooee applied to both CB's virtual void Mdiag (const FermionField &in, FermionField &out) { Mooee(in,out);}; // Same as Mooee applied to both CB's
virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp)=0; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp)=0; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac
virtual void DhopDir(const FermionField &in, FermionField &out,int dir,int disp)=0; // implemented by WilsonFermion and WilsonFermion5D
}; };

88
lib/qcd/action/fermion/WilsonFermion.cc
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@ -98,7 +98,9 @@ void WilsonFermion::Mdir (const LatticeFermion &in, LatticeFermion &out,int dir,
DhopDir(in,out,dir,disp); DhopDir(in,out,dir,disp);
} }
void WilsonFermion::DhopDir(const LatticeFermion &in, LatticeFermion &out,int dir,int disp){ void WilsonFermion::DhopDir(const LatticeFermion &in, LatticeFermion &out,int dir,int disp){
WilsonCompressor compressor(DaggerNo); WilsonCompressor compressor(DaggerNo);
Stencil.HaloExchange<vSpinColourVector,vHalfSpinColourVector,WilsonCompressor>(in,comm_buf,compressor); Stencil.HaloExchange<vSpinColourVector,vHalfSpinColourVector,WilsonCompressor>(in,comm_buf,compressor);
assert( (disp==1)||(disp==-1) ); assert( (disp==1)||(disp==-1) );
@ -109,7 +111,20 @@ void WilsonFermion::DhopDir(const LatticeFermion &in, LatticeFermion &out,int di
PARALLEL_FOR_LOOP PARALLEL_FOR_LOOP
for(int sss=0;sss<in._grid->oSites();sss++){ for(int sss=0;sss<in._grid->oSites();sss++){
DiracOptDhopDir(Stencil,Umu,comm_buf,sss,sss,in,out,dirdisp); DiracOptDhopDir(Stencil,Umu,comm_buf,sss,sss,in,out,dirdisp,dirdisp);
}
};
void WilsonFermion::DhopDirDisp(const LatticeFermion &in, LatticeFermion &out,int dirdisp,int gamma,int dag)
{
WilsonCompressor compressor(dag);
Stencil.HaloExchange<vSpinColourVector,vHalfSpinColourVector,WilsonCompressor>(in,comm_buf,compressor);
PARALLEL_FOR_LOOP
for(int sss=0;sss<in._grid->oSites();sss++){
DiracOptDhopDir(Stencil,Umu,comm_buf,sss,sss,in,out,dirdisp,gamma);
} }
}; };
@ -177,6 +192,77 @@ void WilsonFermion::Dhop(const LatticeFermion &in, LatticeFermion &out,int dag)
DhopInternal(Stencil,Umu,in,out,dag); DhopInternal(Stencil,Umu,in,out,dag);
} }
void WilsonFermion::DerivInternal(CartesianStencil & st,LatticeDoubledGaugeField & U,
LatticeGaugeField &mat,const LatticeFermion &A,const LatticeFermion &B,int dag)
{
assert((dag==DaggerNo) ||(dag==DaggerYes));
WilsonCompressor compressor(dag);
LatticeColourMatrix tmp(B._grid);
LatticeFermion Btilde(B._grid);
st.HaloExchange<vSpinColourVector,vHalfSpinColourVector,WilsonCompressor>(B,comm_buf,compressor);
for(int mu=0;mu<Nd;mu++){
////////////////////////////////////////////////////////////////////////
// Flip gamma (1+g)<->(1-g) if dag
////////////////////////////////////////////////////////////////////////
int gamma = mu;
if ( dag ) gamma+= Nd;
////////////////////////
// Call the single hop
////////////////////////
PARALLEL_FOR_LOOP
for(int sss=0;sss<B._grid->oSites();sss++){
DiracOptDhopDir(st,U,comm_buf,sss,sss,B,Btilde,mu,gamma);
}
//////////////////////////////////////////////////
// spin trace outer product
//////////////////////////////////////////////////
tmp = TraceIndex<SpinIndex>(outerProduct(Btilde,A));
PokeIndex<LorentzIndex>(mat,tmp,mu);
}
}
void WilsonFermion::DhopDeriv(LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag)
{
conformable(U._grid,_grid);
conformable(U._grid,V._grid);
conformable(U._grid,mat._grid);
mat.checkerboard = U.checkerboard;
DerivInternal(Stencil,Umu,mat,U,V,dag);
}
void WilsonFermion::DhopDerivOE(LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag)
{
conformable(U._grid,_cbgrid);
conformable(U._grid,V._grid);
conformable(U._grid,mat._grid);
assert(V.checkerboard==Even);
assert(U.checkerboard==Odd);
mat.checkerboard = Odd;
DerivInternal(StencilEven,UmuOdd,mat,U,V,dag);
}
void WilsonFermion::DhopDerivEO(LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag)
{
conformable(U._grid,_cbgrid);
conformable(U._grid,V._grid);
conformable(U._grid,mat._grid);
assert(V.checkerboard==Odd);
assert(U.checkerboard==Even);
mat.checkerboard = Even;
DerivInternal(StencilOdd,UmuEven,mat,U,V,dag);
}
}} }}

88
lib/qcd/action/fermion/WilsonFermion.h
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@ -24,11 +24,95 @@ namespace Grid {
// half checkerboard operaions // half checkerboard operaions
void Meooe (const LatticeFermion &in, LatticeFermion &out); void Meooe (const LatticeFermion &in, LatticeFermion &out);
void MeooeDag (const LatticeFermion &in, LatticeFermion &out); void MeooeDag (const LatticeFermion &in, LatticeFermion &out);
virtual void Mooee (const LatticeFermion &in, LatticeFermion &out); // remain virtual so we virtual void Mooee (const LatticeFermion &in, LatticeFermion &out); // remain virtual so we
virtual void MooeeDag (const LatticeFermion &in, LatticeFermion &out); // can derive Clover virtual void MooeeDag (const LatticeFermion &in, LatticeFermion &out); // can derive Clover
virtual void MooeeInv (const LatticeFermion &in, LatticeFermion &out); // from Wilson base virtual void MooeeInv (const LatticeFermion &in, LatticeFermion &out); // from Wilson base
virtual void MooeeInvDag (const LatticeFermion &in, LatticeFermion &out); virtual void MooeeInvDag (const LatticeFermion &in, LatticeFermion &out);
////////////////////////
//
// Force term: d/dtau S = 0
//
// It is simplest to consider the two flavour force term
//
// S[U,phi] = phidag (MdagM)^-1 phi
//
// But simplify even this to
//
// S[U,phi] = phidag MdagM phi
//
// (other options exist depending on nature of action fragment.)
//
// Require momentum be traceless anti-hermitian to move within group manifold [ P = i P^a T^a ]
//
// Define the HMC hamiltonian
//
// H = 1/2 Tr P^2 + S(U,phi)
//
// .
// U = P U (lorentz & color indices multiplied)
//
// Hence
//
// .c c c c
// U = U P = - U P (c == dagger)
//
// So, taking some liberty with implicit indices
// . . .c c
// dH/dt = 0 = Tr P P +Tr[ U dS/dU + U dS/dU ]
//
// . c c
// = Tr P P + i Tr[ P U dS/dU - U P dS/dU ]
//
// . c c
// = Tr P (P + i ( U dS/dU - P dS/dU U ]
//
// . c c
// => P = -i [ U dS/dU - dS/dU U ] generates HMC EoM
//
// Simple case work this out using S = phi^dag MdagM phi for wilson:
// c c
// dSdt = dU_xdt dSdUx + dUxdt dSdUx
//
// = Tr i P U_x [ (\phi^\dag)_x (1+g) (M \phi)_x+\mu +(\phi^\dag M^\dag)_x (1-g) \phi_{x+\mu} ]
// c
// - i U_x P [ (\phi^\dag)_x+mu (1-g) (M \phi)_x +(\phi^\dag M^\dag)_(x+\mu) (1+g) \phi_{x} ]
//
// = i [(\phi^\dag)_x ]_j P_jk [U_x(1+g) (M \phi)_x+\mu]_k (1)
// + i [(\phi^\dagM^\dag)_x]_j P_jk [U_x(1-g) (\phi)_x+\mu]_k (2)
// - i [(\phi^\dag)_x+mu (1-g) U^dag_x]_j P_jk [(M \phi)_xk (3)
// - i [(\phi^\dagM^\dag)_x+mu (1+g) U^dag_x]_j P_jk [ \phi]_xk (4)
//
// Observe that (1)* = (4)
// (2)* = (3)
//
// Write as .
// P_{kj} = - i ( [U_x(1+g) (M \phi)_x+\mu] (x) [(\phi^\dag)_x] + [U_x(1-g) (\phi)_x+\mu] (x) [(\phi^\dagM^\dag)_x] - h.c )
//
// where (x) denotes outer product in colour and spins are traced.
//
// Need only evaluate (1) and (2) [Chroma] or (2) and (4) [IroIro] and take the
// traceless anti hermitian part (of term in brackets w/o the "i")
//
// Generalisation to S=phi^dag (MdagM)^{-1} phi is simple:
//
// For more complicated DWF etc... apply product rule in differentiation
//
////////////////////////
void DhopDeriv (LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag);
void DhopDerivEO(LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag);
void DhopDerivOE(LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag);
// Extra support internal
void DerivInternal(CartesianStencil & st,
LatticeDoubledGaugeField & U,
LatticeGaugeField &mat,
const LatticeFermion &A,
const LatticeFermion &B,
int dag);
// non-hermitian hopping term; half cb or both // non-hermitian hopping term; half cb or both
void Dhop (const LatticeFermion &in, LatticeFermion &out,int dag); void Dhop (const LatticeFermion &in, LatticeFermion &out,int dag);
void DhopOE(const LatticeFermion &in, LatticeFermion &out,int dag); void DhopOE(const LatticeFermion &in, LatticeFermion &out,int dag);
@ -37,6 +121,7 @@ namespace Grid {
// Multigrid assistance // Multigrid assistance
void Mdir (const LatticeFermion &in, LatticeFermion &out,int dir,int disp); void Mdir (const LatticeFermion &in, LatticeFermion &out,int dir,int disp);
void DhopDir(const LatticeFermion &in, LatticeFermion &out,int dir,int disp); void DhopDir(const LatticeFermion &in, LatticeFermion &out,int dir,int disp);
void DhopDirDisp(const LatticeFermion &in, LatticeFermion &out,int dirdisp,int gamma,int dag);
/////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////
// Extra methods added by derived // Extra methods added by derived
@ -59,7 +144,8 @@ namespace Grid {
static int HandOptDslash; // these are a temporary hack static int HandOptDslash; // these are a temporary hack
static int MortonOrder; static int MortonOrder;
protected: // protected:
public:
RealD mass; RealD mass;

93
lib/qcd/action/fermion/WilsonFermion5D.cc
View File

@ -105,11 +105,102 @@ PARALLEL_FOR_LOOP
for(int s=0;s<Ls;s++){ for(int s=0;s<Ls;s++){
int sU=ss; int sU=ss;
int sF = s+Ls*sU; int sF = s+Ls*sU;
DiracOptDhopDir(Stencil,Umu,comm_buf,sF,sU,in,out,dirdisp); DiracOptDhopDir(Stencil,Umu,comm_buf,sF,sU,in,out,dirdisp,dirdisp);
} }
} }
}; };
void WilsonFermion5D::DerivInternal(CartesianStencil & st,
LatticeDoubledGaugeField & U,
LatticeGaugeField &mat,
const LatticeFermion &A,
const LatticeFermion &B,
int dag)
{
assert((dag==DaggerNo) ||(dag==DaggerYes));
WilsonCompressor compressor(dag);
LatticeColourMatrix tmp(B._grid);
LatticeFermion Btilde(B._grid);
st.HaloExchange<vSpinColourVector,vHalfSpinColourVector,WilsonCompressor>(B,comm_buf,compressor);
for(int mu=0;mu<Nd;mu++){
////////////////////////////////////////////////////////////////////////
// Flip gamma if dag
////////////////////////////////////////////////////////////////////////
int gamma = mu;
if ( dag ) gamma+= Nd;
////////////////////////
// Call the single hop
////////////////////////
PARALLEL_FOR_LOOP
for(int sss=0;sss<B._grid->oSites();sss++){
for(int s=0;s<Ls;s++){
int sU=sss;
int sF = s+Ls*sU;
DiracOptDhopDir(st,U,comm_buf,sF,sU,B,Btilde,mu,gamma);
}
}
////////////////////////////
// spin trace outer product
////////////////////////////
tmp = TraceIndex<SpinIndex>(outerProduct(Btilde,A)); // ordering here
PokeIndex<LorentzIndex>(mat,tmp,mu);
}
}
void WilsonFermion5D::DhopDeriv( LatticeGaugeField &mat,
const LatticeFermion &A,
const LatticeFermion &B,
int dag)
{
conformable(A._grid,FermionGrid());
conformable(A._grid,B._grid);
conformable(GaugeGrid(),mat._grid);
mat.checkerboard = A.checkerboard;
DerivInternal(Stencil,Umu,mat,A,B,dag);
}
void WilsonFermion5D::DhopDerivEO(LatticeGaugeField &mat,
const LatticeFermion &A,
const LatticeFermion &B,
int dag)
{
conformable(A._grid,FermionRedBlackGrid());
conformable(GaugeRedBlackGrid(),mat._grid);
conformable(A._grid,B._grid);
assert(B.checkerboard==Odd);
assert(A.checkerboard==Even);
mat.checkerboard = Even;
DerivInternal(StencilOdd,UmuEven,mat,A,B,dag);
}
void WilsonFermion5D::DhopDerivOE(LatticeGaugeField &mat,
const LatticeFermion &A,
const LatticeFermion &B,
int dag)
{
conformable(A._grid,FermionRedBlackGrid());
conformable(GaugeRedBlackGrid(),mat._grid);
conformable(A._grid,B._grid);
assert(B.checkerboard==Even);
assert(A.checkerboard==Odd);
mat.checkerboard = Odd;
DerivInternal(StencilEven,UmuOdd,mat,A,B,dag);
}
void WilsonFermion5D::DhopInternal(CartesianStencil & st, LebesgueOrder &lo, void WilsonFermion5D::DhopInternal(CartesianStencil & st, LebesgueOrder &lo,
LatticeDoubledGaugeField & U, LatticeDoubledGaugeField & U,
const LatticeFermion &in, LatticeFermion &out,int dag) const LatticeFermion &in, LatticeFermion &out,int dag)

18
lib/qcd/action/fermion/WilsonFermion5D.h
View File

@ -44,12 +44,18 @@ namespace Grid {
// half checkerboard operations; leave unimplemented as abstract for now // half checkerboard operations; leave unimplemented as abstract for now
virtual void Meooe (const LatticeFermion &in, LatticeFermion &out){assert(0);}; virtual void Meooe (const LatticeFermion &in, LatticeFermion &out){assert(0);};
virtual void MeooeDag (const LatticeFermion &in, LatticeFermion &out){assert(0);};
virtual void Mooee (const LatticeFermion &in, LatticeFermion &out){assert(0);}; virtual void Mooee (const LatticeFermion &in, LatticeFermion &out){assert(0);};
virtual void MooeeDag (const LatticeFermion &in, LatticeFermion &out){assert(0);};
virtual void MooeeInv (const LatticeFermion &in, LatticeFermion &out){assert(0);}; virtual void MooeeInv (const LatticeFermion &in, LatticeFermion &out){assert(0);};
virtual void MeooeDag (const LatticeFermion &in, LatticeFermion &out){assert(0);};
virtual void MooeeDag (const LatticeFermion &in, LatticeFermion &out){assert(0);};
virtual void MooeeInvDag (const LatticeFermion &in, LatticeFermion &out){assert(0);}; virtual void MooeeInvDag (const LatticeFermion &in, LatticeFermion &out){assert(0);};
// These can be overridden by fancy 5d chiral actions
virtual void DhopDeriv (LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag);
virtual void DhopDerivEO(LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag);
virtual void DhopDerivOE(LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag);
// Implement hopping term non-hermitian hopping term; half cb or both // Implement hopping term non-hermitian hopping term; half cb or both
// Implement s-diagonal DW // Implement s-diagonal DW
void DW (const LatticeFermion &in, LatticeFermion &out,int dag); void DW (const LatticeFermion &in, LatticeFermion &out,int dag);
@ -64,6 +70,14 @@ namespace Grid {
/////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////
// New methods added // New methods added
/////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////
void DerivInternal(CartesianStencil & st,
LatticeDoubledGaugeField & U,
LatticeGaugeField &mat,
const LatticeFermion &A,
const LatticeFermion &B,
int dag);
void DhopInternal(CartesianStencil & st, void DhopInternal(CartesianStencil & st,
LebesgueOrder &lo, LebesgueOrder &lo,
LatticeDoubledGaugeField &U, LatticeDoubledGaugeField &U,

42
lib/qcd/action/fermion/WilsonKernels.cc
View File

@ -295,7 +295,7 @@ void DiracOptDhopSiteDag(CartesianStencil &st,LatticeDoubledGaugeField &U,
void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U, void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf, std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
int sF,int sU,const LatticeFermion &in, LatticeFermion &out,int dirdisp) int sF,int sU,const LatticeFermion &in, LatticeFermion &out,int dir,int gamma)
{ {
vHalfSpinColourVector tmp; vHalfSpinColourVector tmp;
vHalfSpinColourVector chi; vHalfSpinColourVector chi;
@ -304,13 +304,13 @@ void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
int offset,local,perm, ptype; int offset,local,perm, ptype;
int ss=sF; int ss=sF;
offset = st._offsets [dirdisp][ss]; offset = st._offsets [dir][ss];
local = st._is_local[dirdisp][ss]; local = st._is_local[dir][ss];
perm = st._permute[dirdisp][ss]; perm = st._permute[dir][ss];
ptype = st._permute_type[dirdisp]; ptype = st._permute_type[dir];
// Xp // Xp
if(dirdisp==Xp){ if(gamma==Xp){
if ( local && perm ) { if ( local && perm ) {
spProjXp(tmp,in._odata[offset]); spProjXp(tmp,in._odata[offset]);
permute(chi,tmp,ptype); permute(chi,tmp,ptype);
@ -319,12 +319,12 @@ void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
} else { } else {
chi=buf[offset]; chi=buf[offset];
} }
mult(&Uchi(),&U._odata[sU](Xp),&chi()); mult(&Uchi(),&U._odata[sU](dir),&chi());
spReconXp(result,Uchi); spReconXp(result,Uchi);
} }
// Yp // Yp
if ( dirdisp==Yp ){ if ( gamma==Yp ){
if ( local && perm ) { if ( local && perm ) {
spProjYp(tmp,in._odata[offset]); spProjYp(tmp,in._odata[offset]);
permute(chi,tmp,ptype); permute(chi,tmp,ptype);
@ -333,12 +333,12 @@ void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
} else { } else {
chi=buf[offset]; chi=buf[offset];
} }
mult(&Uchi(),&U._odata[sU](Yp),&chi()); mult(&Uchi(),&U._odata[sU](dir),&chi());
spReconYp(result,Uchi); spReconYp(result,Uchi);
} }
// Zp // Zp
if ( dirdisp ==Zp ){ if ( gamma ==Zp ){
if ( local && perm ) { if ( local && perm ) {
spProjZp(tmp,in._odata[offset]); spProjZp(tmp,in._odata[offset]);
permute(chi,tmp,ptype); permute(chi,tmp,ptype);
@ -347,12 +347,12 @@ void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
} else { } else {
chi=buf[offset]; chi=buf[offset];
} }
mult(&Uchi(),&U._odata[sU](Zp),&chi()); mult(&Uchi(),&U._odata[sU](dir),&chi());
spReconZp(result,Uchi); spReconZp(result,Uchi);
} }
// Tp // Tp
if ( dirdisp ==Tp ){ if ( gamma ==Tp ){
if ( local && perm ) { if ( local && perm ) {
spProjTp(tmp,in._odata[offset]); spProjTp(tmp,in._odata[offset]);
permute(chi,tmp,ptype); permute(chi,tmp,ptype);
@ -361,12 +361,12 @@ void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
} else { } else {
chi=buf[offset]; chi=buf[offset];
} }
mult(&Uchi(),&U._odata[sU](Tp),&chi()); mult(&Uchi(),&U._odata[sU](dir),&chi());
spReconTp(result,Uchi); spReconTp(result,Uchi);
} }
// Xm // Xm
if ( dirdisp==Xm ){ if ( gamma==Xm ){
if ( local && perm ) { if ( local && perm ) {
spProjXm(tmp,in._odata[offset]); spProjXm(tmp,in._odata[offset]);
permute(chi,tmp,ptype); permute(chi,tmp,ptype);
@ -375,12 +375,12 @@ void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
} else { } else {
chi=buf[offset]; chi=buf[offset];
} }
mult(&Uchi(),&U._odata[sU](Xm),&chi()); mult(&Uchi(),&U._odata[sU](dir),&chi());
spReconXm(result,Uchi); spReconXm(result,Uchi);
} }
// Ym // Ym
if ( dirdisp == Ym ){ if ( gamma == Ym ){
if ( local && perm ) { if ( local && perm ) {
spProjYm(tmp,in._odata[offset]); spProjYm(tmp,in._odata[offset]);
permute(chi,tmp,ptype); permute(chi,tmp,ptype);
@ -389,12 +389,12 @@ void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
} else { } else {
chi=buf[offset]; chi=buf[offset];
} }
mult(&Uchi(),&U._odata[sU](Ym),&chi()); mult(&Uchi(),&U._odata[sU](dir),&chi());
spReconYm(result,Uchi); spReconYm(result,Uchi);
} }
// Zm // Zm
if ( dirdisp == Zm ){ if ( gamma == Zm ){
if ( local && perm ) { if ( local && perm ) {
spProjZm(tmp,in._odata[offset]); spProjZm(tmp,in._odata[offset]);
permute(chi,tmp,ptype); permute(chi,tmp,ptype);
@ -403,12 +403,12 @@ void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
} else { } else {
chi=buf[offset]; chi=buf[offset];
} }
mult(&Uchi(),&U._odata[sU](Zm),&chi()); mult(&Uchi(),&U._odata[sU](dir),&chi());
spReconZm(result,Uchi); spReconZm(result,Uchi);
} }
// Tm // Tm
if ( dirdisp==Tm ) { if ( gamma==Tm ) {
if ( local && perm ) { if ( local && perm ) {
spProjTm(tmp,in._odata[offset]); spProjTm(tmp,in._odata[offset]);
permute(chi,tmp,ptype); permute(chi,tmp,ptype);
@ -417,7 +417,7 @@ void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
} else { } else {
chi=buf[offset]; chi=buf[offset];
} }
mult(&Uchi(),&U._odata[sU](Tm),&chi()); mult(&Uchi(),&U._odata[sU](dir),&chi());
spReconTm(result,Uchi); spReconTm(result,Uchi);
} }

2
lib/qcd/action/fermion/WilsonKernels.h
View File

@ -22,7 +22,7 @@ namespace Grid {
int sF,int sU,const LatticeFermion &in, LatticeFermion &out); int sF,int sU,const LatticeFermion &in, LatticeFermion &out);
void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U, void DiracOptDhopDir(CartesianStencil &st,LatticeDoubledGaugeField &U,
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf, std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
int sF,int sU,const LatticeFermion &in, LatticeFermion &out,int dirdisp); int sF,int sU,const LatticeFermion &in, LatticeFermion &out,int dirdisp,int gamma);
// }; // };

2
lib/qcd/hmc/HMC.h
View File

@ -68,14 +68,12 @@ namespace Grid{
Integrator<Algorithm>& MolDyn): Integrator<Algorithm>& MolDyn):
Params(Pms),MD(MolDyn){ Params(Pms),MD(MolDyn){
//FIXME //FIXME
// initialize RNGs also with seed // initialize RNGs also with seed
sRNG.SeedRandomDevice(); sRNG.SeedRandomDevice();
} }
~HybridMonteCarlo(){}; ~HybridMonteCarlo(){};
void evolve(LatticeLorentzColourMatrix& Uin){ void evolve(LatticeLorentzColourMatrix& Uin){
Real DeltaH; Real DeltaH;

2
lib/simd/Grid_vector_types.h
View File

@ -414,7 +414,7 @@ namespace Grid {
template<class S, class V > template<class S, class V >
inline Grid_simd< S, V> outerProduct(const Grid_simd< S, V> &l, const Grid_simd< S, V> & r) inline Grid_simd< S, V> outerProduct(const Grid_simd< S, V> &l, const Grid_simd< S, V> & r)
{ {
return l*r; return l*conjugate(r);
} }
template<class S, class V > template<class S, class V >

6
lib/tensors/Tensor_outer.h
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@ -28,11 +28,13 @@ auto outerProduct (const iScalar<l>& lhs,const iScalar<r>& rhs) -> iScalar<declt
inline ComplexF outerProduct(const ComplexF &l, const ComplexF& r) inline ComplexF outerProduct(const ComplexF &l, const ComplexF& r)
{ {
return l*r; std::cout << "outer product taking conj "<<r<<" "<<conj(r)<<std::endl;
return l*conj(r);
} }
inline ComplexD outerProduct(const ComplexD &l, const ComplexD& r) inline ComplexD outerProduct(const ComplexD &l, const ComplexD& r)
{ {
return l*r; std::cout << "outer product taking conj "<<r<<" "<<conj(r)<<std::endl;
return l*conj(r);
} }
inline RealF outerProduct(const RealF &l, const RealF& r) inline RealF outerProduct(const RealF &l, const RealF& r)
{ {

10
lib/tensors/Tensor_trace.h
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@ -31,6 +31,16 @@ inline auto trace(const iScalar<vtype> &arg) -> iScalar<decltype(trace(arg._inte
return ret; return ret;
} }
template<class vtype,int N>
inline auto trace(const iVector<vtype,N> &arg) -> iVector<decltype(trace(arg._internal[0])),N>
{
iVector<decltype(trace(arg._internal[0])),N> ret;
for(int i=0;i<N;i++){
ret._internal[i]=trace(arg._internal[i]);
}
return ret;
}
} }
#endif #endif

10
tests/Make.inc
View File

@ -1,5 +1,5 @@
bin_PROGRAMS = Test_GaugeAction Test_cayley_cg Test_cayley_coarsen_support Test_cayley_even_odd Test_cayley_ldop_cr Test_cf_coarsen_support Test_cf_cr_unprec Test_contfrac_cg Test_contfrac_even_odd Test_cshift Test_cshift_red_black Test_dwf_cg_prec Test_dwf_cg_schur Test_dwf_cg_unprec Test_dwf_cr_unprec Test_dwf_even_odd Test_dwf_fpgcr Test_dwf_hdcr Test_gamma Test_hmc_WilsonGauge Test_lie_generators Test_main Test_multishift_sqrt Test_nersc_io Test_quenched_update Test_remez Test_rng Test_rng_fixed Test_simd Test_stencil Test_wilson_cg_prec Test_wilson_cg_schur Test_wilson_cg_unprec Test_wilson_cr_unprec Test_wilson_even_odd bin_PROGRAMS = Test_GaugeAction Test_cayley_cg Test_cayley_coarsen_support Test_cayley_even_odd Test_cayley_ldop_cr Test_cf_coarsen_support Test_cf_cr_unprec Test_contfrac_cg Test_contfrac_even_odd Test_cshift Test_cshift_red_black Test_dwf_cg_prec Test_dwf_cg_schur Test_dwf_cg_unprec Test_dwf_cr_unprec Test_dwf_even_odd Test_dwf_fpgcr Test_dwf_hdcr Test_gamma Test_hmc_WilsonGauge Test_lie_generators Test_main Test_multishift_sqrt Test_nersc_io Test_quenched_update Test_remez Test_rng Test_rng_fixed Test_simd Test_stencil Test_wilson_cg_prec Test_wilson_cg_schur Test_wilson_cg_unprec Test_wilson_cr_unprec Test_wilson_even_odd Test_wilson_force Test_wilson_force_phiMphi
Test_GaugeAction_SOURCES=Test_GaugeAction.cc Test_GaugeAction_SOURCES=Test_GaugeAction.cc
@ -141,3 +141,11 @@ Test_wilson_cr_unprec_LDADD=-lGrid
Test_wilson_even_odd_SOURCES=Test_wilson_even_odd.cc Test_wilson_even_odd_SOURCES=Test_wilson_even_odd.cc
Test_wilson_even_odd_LDADD=-lGrid Test_wilson_even_odd_LDADD=-lGrid
Test_wilson_force_SOURCES=Test_wilson_force.cc
Test_wilson_force_LDADD=-lGrid
Test_wilson_force_phiMphi_SOURCES=Test_wilson_force_phiMphi.cc
Test_wilson_force_phiMphi_LDADD=-lGrid

4
tests/Test_dwf_cg_prec.cc
View File

@ -34,7 +34,9 @@ int main (int argc, char ** argv)
LatticeFermion src(FGrid); random(RNG5,src); LatticeFermion src(FGrid); random(RNG5,src);
LatticeFermion result(FGrid); result=zero; LatticeFermion result(FGrid); result=zero;
LatticeGaugeField Umu(UGrid); random(RNG4,Umu); LatticeGaugeField Umu(UGrid);
SU3::HotConfiguration(RNG4,Umu);
std::vector<LatticeColourMatrix> U(4,UGrid); std::vector<LatticeColourMatrix> U(4,UGrid);
for(int mu=0;mu<Nd;mu++){ for(int mu=0;mu<Nd;mu++){

102
tests/Test_wilson_force.cc Normal file
View File

@ -0,0 +1,102 @@
#include <Grid.h>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
#define parallel_for PARALLEL_FOR_LOOP for
int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
GridRedBlackCartesian RBGrid(latt_size,simd_layout,mpi_layout);
int threads = GridThread::GetThreads();
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
std::vector<int> seeds({1,2,3,4});
GridParallelRNG pRNG(&Grid);
pRNG.SeedRandomDevice();
LatticeFermion phi (&Grid); gaussian(pRNG,phi);
LatticeFermion Mphi (&Grid);
LatticeFermion MphiPrime (&Grid);
LatticeGaugeField U(&Grid);
SU3::HotConfiguration(pRNG,U);
// SU3::ColdConfiguration(pRNG,U);
////////////////////////////////////
// Unmodified matrix element
////////////////////////////////////
RealD mass=-4.0; //kills the diagonal term
WilsonFermion Dw (U, Grid,RBGrid,mass);
Dw.M (phi,Mphi);
ComplexD S = innerProduct(Mphi,Mphi); // pdag MdagM p
// get the deriv of phidag MdagM phi with respect to "U"
LatticeGaugeField UdSdU(&Grid);
LatticeGaugeField tmp(&Grid);
Dw.MDeriv(tmp , Mphi, phi,DaggerNo ); UdSdU=tmp;
Dw.MDeriv(tmp , phi, Mphi,DaggerYes ); UdSdU=UdSdU+tmp;
LatticeFermion Ftmp (&Grid);
////////////////////////////////////
// Modify the gauge field a little
////////////////////////////////////
RealD dt = 1.0e-6;
LatticeColourMatrix mommu(&Grid);
LatticeGaugeField mom(&Grid);
LatticeGaugeField Uprime(&Grid);
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(pRNG, mommu); // Traceless antihermitian momentum; gaussian in lie alg
PokeIndex<LorentzIndex>(mom,mommu,mu);
parallel_for(auto i=mom.begin();i<mom.end();i++){
Uprime[i](mu) =U[i](mu)+ mom[i](mu)*U[i](mu)*dt;
}
}
Dw.DoubleStore(Dw.Umu,Uprime);
Dw.M (phi,MphiPrime);
ComplexD Sprime = innerProduct(MphiPrime ,MphiPrime);
//////////////////////////////////////////////
// Use derivative to estimate dS
//////////////////////////////////////////////
LatticeComplex dS(&Grid); dS = zero;
parallel_for(auto i=mom.begin();i<mom.end();i++){
for(int mu=0;mu<Nd;mu++){
// dS[i]() = dS[i]()+trace(mom[i](mu) * UdSdU[i](mu) - mom[i](mu)* adj( UdSdU[i](mu)) )*dt;
dS[i]() = dS[i]()+trace(mom[i](mu) * (UdSdU[i](mu)))*dt;
dS[i]() = dS[i]()-trace(mom[i](mu) * adj(UdSdU[i](mu)))*dt;
}
}
Complex dSpred = sum(dS);
std::cout << GridLogMessage << " S "<<S<<std::endl;
std::cout << GridLogMessage << " Sprime "<<Sprime<<std::endl;
std::cout << GridLogMessage << "dS "<<Sprime-S<<std::endl;
std::cout << GridLogMessage << "predict dS "<< dSpred <<std::endl;
std::cout<< GridLogMessage << "Done" <<std::endl;
Grid_finalize();
}

140
tests/Test_wilson_force_phiMdagMphi.cc Normal file
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@ -0,0 +1,140 @@
#include <Grid.h>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
#define parallel_for PARALLEL_FOR_LOOP for
int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
GridRedBlackCartesian RBGrid(latt_size,simd_layout,mpi_layout);
int threads = GridThread::GetThreads();
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
std::vector<int> seeds({1,2,3,4});
GridParallelRNG pRNG(&Grid);
pRNG.SeedRandomDevice();
LatticeFermion phi (&Grid); gaussian(pRNG,phi);
LatticeFermion Mphi (&Grid);
LatticeFermion Mdagphi (&Grid);
LatticeFermion MphiPrime (&Grid);
LatticeFermion MdagphiPrime (&Grid);
LatticeFermion dMphi (&Grid);
LatticeGaugeField U(&Grid);
SU3::HotConfiguration(pRNG,U);
// SU3::ColdConfiguration(pRNG,U);
////////////////////////////////////
// Unmodified matrix element
////////////////////////////////////
RealD mass=-4.0; //kills the diagonal term
WilsonFermion Dw (U, Grid,RBGrid,mass);
Dw.M (phi,Mphi);
Dw.Mdag(phi,Mdagphi);
ComplexD S = innerProduct(Mphi,Mphi); // pdag MdagM p
ComplexD Sdag = innerProduct(Mdagphi,Mdagphi); // pdag MMdag p
// get the deriv of phidag MdagM phi with respect to "U"
LatticeGaugeField UdSdU(&Grid);
LatticeGaugeField UdSdUdag(&Grid);
LatticeGaugeField tmp(&Grid);
Dw.MDeriv(tmp , Mphi, phi,DaggerNo ); UdSdU=tmp;
Dw.MDeriv(tmp , Mdagphi, phi,DaggerYes ); UdSdUdag=tmp;
LatticeFermion dMdagphi (&Grid); dMdagphi=zero;
LatticeFermion Ftmp (&Grid);
// Dw.MDeriv(UdSdU,Mdagphi, phi,DaggerYes );// UdSdU =UdSdU +tmp;
////////////////////////////////////
// Modify the gauge field a little in one dir
////////////////////////////////////
RealD dt = 1.0e-3;
LatticeColourMatrix mommu(&Grid);
LatticeGaugeField mom(&Grid);
LatticeGaugeField Uprime(&Grid);
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(pRNG, mommu); // Traceless antihermitian momentum; gaussian in lie alg
// Dw.DoubleStore(Dw.Umu,Uprime); // update U _and_ Udag
Dw.DhopDirDisp(phi,Ftmp,mu,mu+4,DaggerYes);
dMdagphi=dMdagphi+mommu*Ftmp*dt;
PokeIndex<LorentzIndex>(mom,mommu,mu);
parallel_for(auto i=mom.begin();i<mom.end();i++){
Uprime[i](mu) =U[i](mu)+ mom[i](mu)*U[i](mu)*dt;
Dw.Umu[i](mu) =Uprime[i](mu); // update U but _not_ Udag
}
}
Dw.Mdag(phi,MdagphiPrime);
Dw.M (phi,MphiPrime);
std::cout << GridLogMessage << "deltaMdag phi "<< norm2(dMdagphi) <<std::endl;
Ftmp=MdagphiPrime - Mdagphi;
std::cout << GridLogMessage << "diff Mdag phi "<< norm2(Ftmp) <<std::endl;
Ftmp = Ftmp - dMdagphi;
std::cout << GridLogMessage << "err Mdag phi "<< norm2(Ftmp) <<std::endl;
std::cout << dMdagphi<<std::endl;
Ftmp=MdagphiPrime - Mdagphi;
std::cout << Ftmp<<std::endl;
ComplexD Sprime = innerProduct(Mphi ,MphiPrime);
ComplexD Sprimedag = innerProduct(Mdagphi,MdagphiPrime);
ComplexD deltaSdag = innerProduct(Mdagphi,dMdagphi);
std::cout << GridLogMessage << "deltaSdag from inner prod of mom* M[u] "<<deltaSdag<<std::endl;
//////////////////////////////////////////////
// Use derivative to estimate dS
//////////////////////////////////////////////
LatticeComplex dS(&Grid); dS = zero;
LatticeComplex dSdag(&Grid); dSdag = zero;
parallel_for(auto i=mom.begin();i<mom.end();i++){
for(int mu=0;mu<Nd;mu++){
// dS[i]() = dS[i]()+trace(mom[i](mu) * UdSdU[i](mu) - mom[i](mu)* adj( UdSdU[i](mu)) )*dt;
dS[i]() = dS[i]()+trace(mom[i](mu) * UdSdU[i](mu) )*dt;
dSdag[i]() = dSdag[i]()+trace(mom[i](mu) * UdSdUdag[i](mu) )*dt;
}
}
Complex dSpred = sum(dS);
Complex dSdagpred = sum(dSdag);
std::cout << GridLogMessage << " S "<<S<<std::endl;
std::cout << GridLogMessage << " Sprime "<<Sprime<<std::endl;
std::cout << GridLogMessage << "dS "<<Sprime-S<<std::endl;
std::cout << GridLogMessage << "predict dS "<< dSpred <<std::endl;
std::cout << "\n\n"<<std::endl;
std::cout << GridLogMessage << " Sdag "<<Sdag<<std::endl;
std::cout << GridLogMessage << " Sprimedag "<<Sprimedag<<std::endl;
std::cout << GridLogMessage << "dSdag "<<Sprimedag-Sdag<<std::endl;
std::cout << GridLogMessage << "predict dSdag "<< dSdagpred <<std::endl;
std::cout<< GridLogMessage << "Done" <<std::endl;
Grid_finalize();
}

162
tests/Test_wilson_force_phiMphi.cc Normal file
View File

@ -0,0 +1,162 @@
#include <Grid.h>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
#define parallel_for PARALLEL_FOR_LOOP for
int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
GridRedBlackCartesian RBGrid(latt_size,simd_layout,mpi_layout);
int threads = GridThread::GetThreads();
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
std::vector<int> seeds({1,2,3,4});
GridParallelRNG pRNG(&Grid);
pRNG.SeedRandomDevice();
LatticeFermion phi (&Grid); gaussian(pRNG,phi);
LatticeFermion Mphi (&Grid);
LatticeFermion MphiPrime (&Grid);
LatticeFermion dMphi (&Grid);
LatticeGaugeField U(&Grid);
SU3::HotConfiguration(pRNG,U);
////////////////////////////////////
// Unmodified matrix element
////////////////////////////////////
RealD mass=-4.0; //kills the diagonal term
WilsonFermion Dw (U, Grid,RBGrid,mass);
Dw.M(phi,Mphi);
ComplexD S = innerProduct(phi,Mphi);
// get the deriv
LatticeGaugeField UdSdU(&Grid);
Dw.MDeriv(UdSdU,phi, phi,DaggerNo );
////////////////////////////////////
// Modify the gauge field a little in one dir
////////////////////////////////////
RealD dt = 1.0e-3;
Complex Complex_i(0,1);
LatticeColourMatrix Umu(&Grid);
LatticeColourMatrix Umu_save(&Grid);
LatticeColourMatrix dU (&Grid);
LatticeColourMatrix mom(&Grid);
SU3::GaussianLieAlgebraMatrix(pRNG, mom); // Traceless antihermitian momentum; gaussian in lie alg
// check mom is as i expect
LatticeColourMatrix tmpmom(&Grid);
tmpmom = mom+adj(mom);
std::cout << GridLogMessage << "mom anti-herm check "<< norm2(tmpmom)<<std::endl;
std::cout << GridLogMessage << "mom tr check "<< norm2(trace(mom))<<std::endl;
const int mu=0;
Umu = PeekIndex<LorentzIndex>(U,mu);
Umu_save=Umu;
dU = mom * Umu * dt;
Umu= Umu+dU;
PokeIndex<LorentzIndex>(Dw.Umu,Umu,mu);
Dw.M(phi,MphiPrime);
ComplexD Sprime = innerProduct(phi,MphiPrime);
std::cout << GridLogMessage << " S "<<S<<std::endl;
std::cout << GridLogMessage << " Sprime "<<Sprime<<std::endl;
std::cout << GridLogMessage << "dS "<<Sprime-S<<std::endl;
Dw.Umu=zero;
PokeIndex<LorentzIndex>(Dw.Umu,dU,mu);
Dw.M(phi,dMphi);
ComplexD deltaS = innerProduct(phi,dMphi);
std::cout << GridLogMessage << "deltaS "<<deltaS<<std::endl;
Dw.Umu=zero;
PokeIndex<LorentzIndex>(Dw.Umu,Umu_save,mu);
Dw.Mdir(phi,dMphi,mu,1);
dMphi = dt*mom*dMphi;
deltaS = innerProduct(phi,dMphi);
std::cout << GridLogMessage << "deltaS from inner prod of mom* M[u] "<<deltaS<<std::endl;
deltaS = sum(trace(outerProduct(dMphi,phi)));
std::cout << GridLogMessage << "deltaS from trace outer prod of deltaM "<<deltaS<<std::endl;
/*
LatticeComplex lip(&Grid);
lip = localInnerProduct(phi,dMphi);
LatticeComplex trop(&Grid);
trop = trace(outerProduct(dMphi,phi));
LatticeSpinColourMatrix op(&Grid);
op = outerProduct(dMphi,phi);
LatticeSpinColourMatrix hop(&Grid);
LatticeComplex op_cpt(&Grid);
for(int s1=0;s1<Ns;s1++){
for(int s2=0;s2<Ns;s2++){
for(int c1=0;c1<Nc;c1++){
for(int c2=0;c2<Nc;c2++){
op_cpt = peekColour(peekSpin(dMphi,s1),c1) * adj(peekColour(peekSpin(phi,s2),c2));
parallel_for(auto i=hop.begin();i<hop.end();i++){
hop[i]()(s1,s2)(c1,c2) = op_cpt[i]()()();
}
}}}}
LatticeSpinColourMatrix diffop(&Grid);
diffop = hop - op;
std::cout << GridLogMessage << "hand outer prod diff "<<norm2(diffop)<<std::endl;
deltaS = sum(trace(hop));
std::cout << GridLogMessage << "deltaS hop "<<deltaS<<std::endl;
std::cout << GridLogMessage<< " phi[0] : "<< phi._odata[0]<<std::endl;
std::cout << GridLogMessage<< "dMphi[0] : "<<dMphi._odata[0]<<std::endl;
std::cout << GridLogMessage<< "hop[0] : "<< hop._odata[0]<<std::endl;
std::cout << GridLogMessage<< " op[0] : "<< op._odata[0]<<std::endl;
std::cout << GridLogMessage << "lip "<<lip<<std::endl;
std::cout << GridLogMessage << "trop "<<trop<<std::endl;
*/
// std::cout << GridLogMessage << " UdSdU " << UdSdU << std::endl;
LatticeComplex dS(&Grid); dS = zero;
parallel_for(auto i=mom.begin();i<mom.end();i++){
dS[i]() = trace(mom[i]() * UdSdU[i](mu) )*dt;
}
Complex dSpred = sum(dS);
std::cout << GridLogMessage << "predict dS "<< dSpred <<std::endl;
cout<< GridLogMessage << "Done" <<std::endl;
Grid_finalize();
}