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Merge branch 'develop' of https://github.com/paboyle/Grid into develop

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paboyle
2016-07-15 19:26:06 +01:00
parent da34d75841 8b9301a74c
commit f4dd5062d7
62 changed files with 12722 additions and 2805 deletions
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1
lib/qcd/action/ActionBase.h
View File

@ -35,6 +35,7 @@ template<class GaugeField>
class Action {
public:
bool is_smeared = false;
// Boundary conditions? // Heatbath?
virtual void refresh(const GaugeField &U, GridParallelRNG& pRNG) = 0;// refresh pseudofermions
virtual RealD S (const GaugeField &U) = 0; // evaluate the action

6
lib/qcd/action/fermion/FermionOperatorImpl.h
View File

@ -75,7 +75,7 @@ namespace Grid {
//
//
// template<class Impl>
// class MyOp : pubic<Impl> {
// class MyOp : public<Impl> {
// public:
//
// INHERIT_ALL_IMPL_TYPES(Impl);
@ -99,7 +99,7 @@ namespace Grid {
typedef typename Impl::SiteSpinor SiteSpinor; \
typedef typename Impl::SiteHalfSpinor SiteHalfSpinor; \
typedef typename Impl::Compressor Compressor; \
typedef typename Impl::StencilImpl StencilImpl; \
typedef typename Impl::StencilImpl StencilImpl; \
typedef typename Impl::ImplParams ImplParams;
#define INHERIT_IMPL_TYPES(Base) \
@ -110,7 +110,7 @@ namespace Grid {
// Single flavour four spinors with colour index
///////
template<class S,int Nrepresentation=Nc>
class WilsonImpl : public PeriodicGaugeImpl< GaugeImplTypes< S,Nrepresentation> > {
class WilsonImpl : public PeriodicGaugeImpl< GaugeImplTypes< S, Nrepresentation> > {
public:
const bool LsVectorised=false;

319
lib/qcd/action/gauge/GaugeImpl.h
View File

@ -1,181 +1,188 @@
/*************************************************************************************
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/action/gauge/GaugeImpl.h
Source file: ./lib/qcd/action/gauge/GaugeImpl.h
Copyright (C) 2015
Copyright (C) 2015
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 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.
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.
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_GAUGE_IMPL_H
#define GRID_QCD_GAUGE_IMPL_H
See the full license in the file "LICENSE" in the top level distribution
directory
*************************************************************************************/
/* END LEGAL */
#ifndef GRID_QCD_GAUGE_IMPL_H
#define GRID_QCD_GAUGE_IMPL_H
namespace Grid {
namespace QCD {
namespace QCD {
////////////////////////////////////////////////////////////////////////
// Implementation dependent gauge types
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
// Implementation dependent gauge types
////////////////////////////////////////////////////////////////////////
template<class Gimpl> class WilsonLoops;
template <class Gimpl> class WilsonLoops;
#define INHERIT_GIMPL_TYPES(GImpl) \
typedef typename GImpl::Simd Simd;\
typedef typename GImpl::GaugeLinkField GaugeLinkField;\
typedef typename GImpl::GaugeField GaugeField;\
typedef typename GImpl::SiteGaugeField SiteGaugeField;\
typedef typename GImpl::SiteGaugeLink SiteGaugeLink;
#define INHERIT_GIMPL_TYPES(GImpl) \
typedef typename GImpl::Simd Simd; \
typedef typename GImpl::GaugeLinkField GaugeLinkField; \
typedef typename GImpl::GaugeField GaugeField; \
typedef typename GImpl::SiteGaugeField SiteGaugeField; \
typedef typename GImpl::SiteGaugeLink SiteGaugeLink;
//
template <class S, int Nrepresentation = Nc> class GaugeImplTypes {
public:
typedef S Simd;
//
template<class S,int Nrepresentation=Nc>
class GaugeImplTypes {
public:
typedef S Simd;
template<typename vtype> using iImplGaugeLink = iScalar<iScalar<iMatrix<vtype, Nrepresentation> > >;
template<typename vtype> using iImplGaugeField = iVector<iScalar<iMatrix<vtype, Nrepresentation> >, Nd >;
typedef iImplGaugeLink <Simd> SiteGaugeLink;
typedef iImplGaugeField <Simd> SiteGaugeField;
typedef Lattice<SiteGaugeLink> GaugeLinkField; // bit ugly naming; polarised gauge field, lorentz... all ugly
typedef Lattice<SiteGaugeField> GaugeField;
template <typename vtype>
using iImplGaugeLink = iScalar<iScalar<iMatrix<vtype, Nrepresentation>>>;
template <typename vtype>
using iImplGaugeField = iVector<iScalar<iMatrix<vtype, Nrepresentation>>, Nd>;
};
typedef iImplGaugeLink<Simd> SiteGaugeLink;
typedef iImplGaugeField<Simd> SiteGaugeField;
// Composition with smeared link, bc's etc.. probably need multiple inheritance
// Variable precision "S" and variable Nc
template<class GimplTypes>
class PeriodicGaugeImpl : public GimplTypes {
public:
typedef Lattice<SiteGaugeLink> GaugeLinkField; // bit ugly naming; polarised
// gauge field, lorentz... all
// ugly
typedef Lattice<SiteGaugeField> GaugeField;
INHERIT_GIMPL_TYPES(GimplTypes);
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Support needed for the assembly of loops including all boundary condition effects such as conjugate bcs
////////////////////////////////////////////////////////////////////////////////////////////////////////////
template<class covariant> static inline
Lattice<covariant> CovShiftForward (const GaugeLinkField &Link, int mu, const Lattice<covariant> &field) {
return PeriodicBC::CovShiftForward(Link,mu,field);
}
template<class covariant> static inline
Lattice<covariant> CovShiftBackward(const GaugeLinkField &Link, int mu,const Lattice<covariant> &field) {
return PeriodicBC::CovShiftBackward(Link,mu,field);
}
static inline
GaugeLinkField CovShiftIdentityBackward(const GaugeLinkField &Link, int mu) {
return Cshift(adj(Link),mu,-1);
}
static inline
GaugeLinkField CovShiftIdentityForward(const GaugeLinkField &Link, int mu) {
return Link;
}
static inline
GaugeLinkField ShiftStaple(const GaugeLinkField &Link, int mu) {
return Cshift(Link,mu,1);
}
static inline bool isPeriodicGaugeField(void) {
return true;
}
};
// Composition with smeared link, bc's etc.. probably need multiple inheritance
// Variable precision "S" and variable Nc
template<class GimplTypes>
class ConjugateGaugeImpl : public GimplTypes {
public:
INHERIT_GIMPL_TYPES(GimplTypes);
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Support needed for the assembly of loops including all boundary condition effects such as Gparity.
////////////////////////////////////////////////////////////////////////////////////////////////////////////
template<class covariant> static
Lattice<covariant> CovShiftForward (const GaugeLinkField &Link, int mu, const Lattice<covariant> &field) {
return ConjugateBC::CovShiftForward(Link,mu,field);
// Move this elsewhere?
static inline void AddGaugeLink(GaugeField &U, GaugeLinkField &W,
int mu) { // U[mu] += W
PARALLEL_FOR_LOOP
for (auto ss = 0; ss < U._grid->oSites(); ss++) {
U._odata[ss]._internal[mu] =
U._odata[ss]._internal[mu] + W._odata[ss]._internal;
}
template<class covariant> static
Lattice<covariant> CovShiftBackward(const GaugeLinkField &Link, int mu,const Lattice<covariant> &field) {
return ConjugateBC::CovShiftBackward(Link,mu,field);
}
static inline
GaugeLinkField CovShiftIdentityBackward(const GaugeLinkField &Link, int mu) {
GridBase *grid = Link._grid;
int Lmu = grid->GlobalDimensions()[mu]-1;
Lattice<iScalar<vInteger> > coor(grid); LatticeCoordinate(coor,mu);
GaugeLinkField tmp (grid);
tmp=adj(Link);
tmp = where(coor==Lmu,conjugate(tmp),tmp);
return Cshift(tmp,mu,-1);// moves towards positive mu
}
static inline
GaugeLinkField CovShiftIdentityForward(const GaugeLinkField &Link, int mu) {
return Link;
}
static inline
GaugeLinkField ShiftStaple(const GaugeLinkField &Link, int mu) {
GridBase *grid = Link._grid;
int Lmu = grid->GlobalDimensions()[mu]-1;
Lattice<iScalar<vInteger> > coor(grid); LatticeCoordinate(coor,mu);
GaugeLinkField tmp (grid);
tmp=Cshift(Link,mu,1);
tmp=where(coor==Lmu,conjugate(tmp),tmp);
return tmp;
}
static inline bool isPeriodicGaugeField(void) {
return false;
}
};
typedef GaugeImplTypes<vComplex,Nc> GimplTypesR;
typedef GaugeImplTypes<vComplexF,Nc> GimplTypesF;
typedef GaugeImplTypes<vComplexD,Nc> GimplTypesD;
typedef PeriodicGaugeImpl<GimplTypesR> PeriodicGimplR; // Real.. whichever prec
typedef PeriodicGaugeImpl<GimplTypesF> PeriodicGimplF; // Float
typedef PeriodicGaugeImpl<GimplTypesD> PeriodicGimplD; // Double
typedef ConjugateGaugeImpl<GimplTypesR> ConjugateGimplR; // Real.. whichever prec
typedef ConjugateGaugeImpl<GimplTypesF> ConjugateGimplF; // Float
typedef ConjugateGaugeImpl<GimplTypesD> ConjugateGimplD; // Double
}
};
// Composition with smeared link, bc's etc.. probably need multiple inheritance
// Variable precision "S" and variable Nc
template <class GimplTypes> class PeriodicGaugeImpl : public GimplTypes {
public:
INHERIT_GIMPL_TYPES(GimplTypes);
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Support needed for the assembly of loops including all boundary condition
// effects such as conjugate bcs
////////////////////////////////////////////////////////////////////////////////////////////////////////////
template <class covariant>
static inline Lattice<covariant>
CovShiftForward(const GaugeLinkField &Link, int mu,
const Lattice<covariant> &field) {
return PeriodicBC::CovShiftForward(Link, mu, field);
}
template <class covariant>
static inline Lattice<covariant>
CovShiftBackward(const GaugeLinkField &Link, int mu,
const Lattice<covariant> &field) {
return PeriodicBC::CovShiftBackward(Link, mu, field);
}
static inline GaugeLinkField
CovShiftIdentityBackward(const GaugeLinkField &Link, int mu) {
return Cshift(adj(Link), mu, -1);
}
static inline GaugeLinkField
CovShiftIdentityForward(const GaugeLinkField &Link, int mu) {
return Link;
}
static inline GaugeLinkField ShiftStaple(const GaugeLinkField &Link, int mu) {
return Cshift(Link, mu, 1);
}
static inline bool isPeriodicGaugeField(void) { return true; }
};
// Composition with smeared link, bc's etc.. probably need multiple inheritance
// Variable precision "S" and variable Nc
template <class GimplTypes> class ConjugateGaugeImpl : public GimplTypes {
public:
INHERIT_GIMPL_TYPES(GimplTypes);
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Support needed for the assembly of loops including all boundary condition
// effects such as Gparity.
////////////////////////////////////////////////////////////////////////////////////////////////////////////
template <class covariant>
static Lattice<covariant> CovShiftForward(const GaugeLinkField &Link, int mu,
const Lattice<covariant> &field) {
return ConjugateBC::CovShiftForward(Link, mu, field);
}
template <class covariant>
static Lattice<covariant> CovShiftBackward(const GaugeLinkField &Link, int mu,
const Lattice<covariant> &field) {
return ConjugateBC::CovShiftBackward(Link, mu, field);
}
static inline GaugeLinkField
CovShiftIdentityBackward(const GaugeLinkField &Link, int mu) {
GridBase *grid = Link._grid;
int Lmu = grid->GlobalDimensions()[mu] - 1;
Lattice<iScalar<vInteger>> coor(grid);
LatticeCoordinate(coor, mu);
GaugeLinkField tmp(grid);
tmp = adj(Link);
tmp = where(coor == Lmu, conjugate(tmp), tmp);
return Cshift(tmp, mu, -1); // moves towards positive mu
}
static inline GaugeLinkField
CovShiftIdentityForward(const GaugeLinkField &Link, int mu) {
return Link;
}
static inline GaugeLinkField ShiftStaple(const GaugeLinkField &Link, int mu) {
GridBase *grid = Link._grid;
int Lmu = grid->GlobalDimensions()[mu] - 1;
Lattice<iScalar<vInteger>> coor(grid);
LatticeCoordinate(coor, mu);
GaugeLinkField tmp(grid);
tmp = Cshift(Link, mu, 1);
tmp = where(coor == Lmu, conjugate(tmp), tmp);
return tmp;
}
static inline bool isPeriodicGaugeField(void) { return false; }
};
typedef GaugeImplTypes<vComplex, Nc> GimplTypesR;
typedef GaugeImplTypes<vComplexF, Nc> GimplTypesF;
typedef GaugeImplTypes<vComplexD, Nc> GimplTypesD;
typedef PeriodicGaugeImpl<GimplTypesR> PeriodicGimplR; // Real.. whichever prec
typedef PeriodicGaugeImpl<GimplTypesF> PeriodicGimplF; // Float
typedef PeriodicGaugeImpl<GimplTypesD> PeriodicGimplD; // Double
typedef ConjugateGaugeImpl<GimplTypesR>
ConjugateGimplR; // Real.. whichever prec
typedef ConjugateGaugeImpl<GimplTypesF> ConjugateGimplF; // Float
typedef ConjugateGaugeImpl<GimplTypesD> ConjugateGimplD; // Double
}
}
#endif

334
lib/qcd/action/pseudofermion/OneFlavourEvenOddRational.h
View File

@ -1,212 +1,214 @@
/*************************************************************************************
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/action/pseudofermion/OneFlavourEvenOddRational.h
Source file: ./lib/qcd/action/pseudofermion/OneFlavourEvenOddRational.h
Copyright (C) 2015
Copyright (C) 2015
Author: Peter Boyle <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 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.
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.
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 */
See the full license in the file "LICENSE" in the top level distribution
directory
*************************************************************************************/
/* END LEGAL */
#ifndef QCD_PSEUDOFERMION_ONE_FLAVOUR_EVEN_ODD_RATIONAL_H
#define QCD_PSEUDOFERMION_ONE_FLAVOUR_EVEN_ODD_RATIONAL_H
namespace Grid{
namespace QCD{
namespace Grid {
namespace QCD {
///////////////////////////////////////
// One flavour rational
///////////////////////////////////////
///////////////////////////////////////
// One flavour rational
///////////////////////////////////////
// S_f = chi^dag * N(Mpc^dag*Mpc)/D(Mpc^dag*Mpc) * chi
// S_f = chi^dag * N(Mpc^dag*Mpc)/D(Mpc^dag*Mpc) * chi
//
// Here, M is some operator
// N and D makeup the rat. poly
//
template <class Impl>
class OneFlavourEvenOddRationalPseudoFermionAction
: public Action<typename Impl::GaugeField> {
public:
INHERIT_IMPL_TYPES(Impl);
typedef OneFlavourRationalParams Params;
Params param;
MultiShiftFunction PowerHalf;
MultiShiftFunction PowerNegHalf;
MultiShiftFunction PowerQuarter;
MultiShiftFunction PowerNegQuarter;
private:
FermionOperator<Impl> &FermOp; // the basic operator
// NOT using "Nroots"; IroIro is -- perhaps later, but this wasn't good for us
// historically
// and hasenbusch works better
FermionField PhiEven; // the pseudo fermion field for this trajectory
FermionField PhiOdd; // the pseudo fermion field for this trajectory
public:
OneFlavourEvenOddRationalPseudoFermionAction(FermionOperator<Impl> &Op,
Params &p)
: FermOp(Op),
PhiEven(Op.FermionRedBlackGrid()),
PhiOdd(Op.FermionRedBlackGrid()),
param(p) {
AlgRemez remez(param.lo, param.hi, param.precision);
// MdagM^(+- 1/2)
std::cout << GridLogMessage << "Generating degree " << param.degree
<< " for x^(1/2)" << std::endl;
remez.generateApprox(param.degree, 1, 2);
PowerHalf.Init(remez, param.tolerance, false);
PowerNegHalf.Init(remez, param.tolerance, true);
// MdagM^(+- 1/4)
std::cout << GridLogMessage << "Generating degree " << param.degree
<< " for x^(1/4)" << std::endl;
remez.generateApprox(param.degree, 1, 4);
PowerQuarter.Init(remez, param.tolerance, false);
PowerNegQuarter.Init(remez, param.tolerance, true);
};
virtual void refresh(const GaugeField &U, GridParallelRNG &pRNG) {
// P(phi) = e^{- phi^dag (MpcdagMpc)^-1/2 phi}
// = e^{- phi^dag (MpcdagMpc)^-1/4 (MpcdagMpc)^-1/4 phi}
// Phi = MpcdagMpc^{1/4} eta
//
// Here, M is some operator
// N and D makeup the rat. poly
// P(eta) = e^{- eta^dag eta}
//
template<class Impl>
class OneFlavourEvenOddRationalPseudoFermionAction : public Action<typename Impl::GaugeField> {
public:
INHERIT_IMPL_TYPES(Impl);
// e^{x^2/2 sig^2} => sig^2 = 0.5.
//
// So eta should be of width sig = 1/sqrt(2).
typedef OneFlavourRationalParams Params;
Params param;
RealD scale = std::sqrt(0.5);
MultiShiftFunction PowerHalf ;
MultiShiftFunction PowerNegHalf;
MultiShiftFunction PowerQuarter;
MultiShiftFunction PowerNegQuarter;
FermionField eta(FermOp.FermionGrid());
FermionField etaOdd(FermOp.FermionRedBlackGrid());
FermionField etaEven(FermOp.FermionRedBlackGrid());
private:
FermionOperator<Impl> & FermOp;// the basic operator
gaussian(pRNG, eta);
eta = eta * scale;
// NOT using "Nroots"; IroIro is -- perhaps later, but this wasn't good for us historically
// and hasenbusch works better
pickCheckerboard(Even, etaEven, eta);
pickCheckerboard(Odd, etaOdd, eta);
FermionField PhiEven; // the pseudo fermion field for this trajectory
FermionField PhiOdd; // the pseudo fermion field for this trajectory
FermOp.ImportGauge(U);
public:
// mutishift CG
SchurDifferentiableOperator<Impl> Mpc(FermOp);
ConjugateGradientMultiShift<FermionField> msCG(param.MaxIter, PowerQuarter);
msCG(Mpc, etaOdd, PhiOdd);
OneFlavourEvenOddRationalPseudoFermionAction(FermionOperator<Impl> &Op,
Params & p ) : FermOp(Op),
PhiEven(Op.FermionRedBlackGrid()),
PhiOdd (Op.FermionRedBlackGrid()),
param(p)
{
AlgRemez remez(param.lo,param.hi,param.precision);
//////////////////////////////////////////////////////
// FIXME : Clover term not yet..
//////////////////////////////////////////////////////
// MdagM^(+- 1/2)
std::cout<<GridLogMessage << "Generating degree "<<param.degree<<" for x^(1/2)"<<std::endl;
remez.generateApprox(param.degree,1,2);
PowerHalf.Init(remez,param.tolerance,false);
PowerNegHalf.Init(remez,param.tolerance,true);
assert(FermOp.ConstEE() == 1);
PhiEven = zero;
};
// MdagM^(+- 1/4)
std::cout<<GridLogMessage << "Generating degree "<<param.degree<<" for x^(1/4)"<<std::endl;
remez.generateApprox(param.degree,1,4);
PowerQuarter.Init(remez,param.tolerance,false);
PowerNegQuarter.Init(remez,param.tolerance,true);
};
virtual void refresh(const GaugeField &U, GridParallelRNG& pRNG) {
//////////////////////////////////////////////////////
// S = phi^dag (Mdag M)^-1/2 phi
//////////////////////////////////////////////////////
virtual RealD S(const GaugeField &U) {
FermOp.ImportGauge(U);
// P(phi) = e^{- phi^dag (MpcdagMpc)^-1/2 phi}
// = e^{- phi^dag (MpcdagMpc)^-1/4 (MpcdagMpc)^-1/4 phi}
// Phi = MpcdagMpc^{1/4} eta
//
// P(eta) = e^{- eta^dag eta}
//
// e^{x^2/2 sig^2} => sig^2 = 0.5.
//
// So eta should be of width sig = 1/sqrt(2).
FermionField Y(FermOp.FermionRedBlackGrid());
RealD scale = std::sqrt(0.5);
SchurDifferentiableOperator<Impl> Mpc(FermOp);
FermionField eta (FermOp.FermionGrid());
FermionField etaOdd (FermOp.FermionRedBlackGrid());
FermionField etaEven(FermOp.FermionRedBlackGrid());
ConjugateGradientMultiShift<FermionField> msCG(param.MaxIter,
PowerNegQuarter);
gaussian(pRNG,eta); eta=eta*scale;
msCG(Mpc, PhiOdd, Y);
pickCheckerboard(Even,etaEven,eta);
pickCheckerboard(Odd,etaOdd,eta);
RealD action = norm2(Y);
std::cout << GridLogMessage << "Pseudofermion action FIXME -- is -1/4 "
"solve or -1/2 solve faster??? "
<< action << std::endl;
FermOp.ImportGauge(U);
return action;
};
// mutishift CG
SchurDifferentiableOperator<Impl> Mpc(FermOp);
ConjugateGradientMultiShift<FermionField> msCG(param.MaxIter,PowerQuarter);
msCG(Mpc,etaOdd,PhiOdd);
//////////////////////////////////////////////////////
// Need
// dS_f/dU = chi^dag d[N/D] chi
//
// N/D is expressed as partial fraction expansion:
//
// a0 + \sum_k ak/(M^dagM + bk)
//
// d[N/D] is then
//
// \sum_k -ak [M^dagM+bk]^{-1} [ dM^dag M + M^dag dM ] [M^dag M +
// bk]^{-1}
//
// Need
// Mf Phi_k = [MdagM+bk]^{-1} Phi
// Mf Phi = \sum_k ak [MdagM+bk]^{-1} Phi
//
// With these building blocks
//
// dS/dU = \sum_k -ak Mf Phi_k^dag [ dM^dag M + M^dag dM ] Mf
// Phi_k
// S = innerprodReal(Phi,Mf Phi);
//////////////////////////////////////////////////////
virtual void deriv(const GaugeField &U, GaugeField &dSdU) {
const int Npole = PowerNegHalf.poles.size();
//////////////////////////////////////////////////////
// FIXME : Clover term not yet..
//////////////////////////////////////////////////////
std::vector<FermionField> MPhi_k(Npole, FermOp.FermionRedBlackGrid());
assert(FermOp.ConstEE() == 1);
PhiEven = zero;
};
FermionField X(FermOp.FermionRedBlackGrid());
FermionField Y(FermOp.FermionRedBlackGrid());
//////////////////////////////////////////////////////
// S = phi^dag (Mdag M)^-1/2 phi
//////////////////////////////////////////////////////
virtual RealD S(const GaugeField &U) {
GaugeField tmp(FermOp.GaugeGrid());
FermOp.ImportGauge(U);
FermOp.ImportGauge(U);
FermionField Y(FermOp.FermionRedBlackGrid());
SchurDifferentiableOperator<Impl> Mpc(FermOp);
SchurDifferentiableOperator<Impl> Mpc(FermOp);
ConjugateGradientMultiShift<FermionField> msCG(param.MaxIter,PowerNegQuarter);
ConjugateGradientMultiShift<FermionField> msCG(param.MaxIter, PowerNegHalf);
msCG(Mpc,PhiOdd,Y);
msCG(Mpc, PhiOdd, MPhi_k);
RealD action = norm2(Y);
std::cout << GridLogMessage << "Pseudofermion action FIXME -- is -1/4 solve or -1/2 solve faster??? "<<action<<std::endl;
dSdU = zero;
for (int k = 0; k < Npole; k++) {
RealD ak = PowerNegHalf.residues[k];
return action;
};
X = MPhi_k[k];
//////////////////////////////////////////////////////
// Need
// dS_f/dU = chi^dag d[N/D] chi
//
// N/D is expressed as partial fraction expansion:
//
// a0 + \sum_k ak/(M^dagM + bk)
//
// d[N/D] is then
//
// \sum_k -ak [M^dagM+bk]^{-1} [ dM^dag M + M^dag dM ] [M^dag M + bk]^{-1}
//
// Need
// Mf Phi_k = [MdagM+bk]^{-1} Phi
// Mf Phi = \sum_k ak [MdagM+bk]^{-1} Phi
//
// With these building blocks
//
// dS/dU = \sum_k -ak Mf Phi_k^dag [ dM^dag M + M^dag dM ] Mf Phi_k
// S = innerprodReal(Phi,Mf Phi);
//////////////////////////////////////////////////////
virtual void deriv(const GaugeField &U,GaugeField & dSdU) {
Mpc.Mpc(X, Y);
Mpc.MpcDeriv(tmp, Y, X);
dSdU = dSdU + ak * tmp;
Mpc.MpcDagDeriv(tmp, X, Y);
dSdU = dSdU + ak * tmp;
}
const int Npole = PowerNegHalf.poles.size();
std::vector<FermionField> MPhi_k (Npole,FermOp.FermionRedBlackGrid());
FermionField X(FermOp.FermionRedBlackGrid());
FermionField Y(FermOp.FermionRedBlackGrid());
GaugeField tmp(FermOp.GaugeGrid());
FermOp.ImportGauge(U);
SchurDifferentiableOperator<Impl> Mpc(FermOp);
ConjugateGradientMultiShift<FermionField> msCG(param.MaxIter,PowerNegHalf);
msCG(Mpc,PhiOdd,MPhi_k);
dSdU = zero;
for(int k=0;k<Npole;k++){
RealD ak = PowerNegHalf.residues[k];
X = MPhi_k[k];
Mpc.Mpc(X,Y);
Mpc.MpcDeriv (tmp , Y, X ); dSdU=dSdU+ak*tmp;
Mpc.MpcDagDeriv(tmp , X, Y ); dSdU=dSdU+ak*tmp;
}
dSdU = Ta(dSdU);
};
};
}
// dSdU = Ta(dSdU);
};
};
}
}
#endif

2
lib/qcd/action/pseudofermion/OneFlavourEvenOddRationalRatio.h
View File

@ -256,7 +256,7 @@ namespace Grid{
}
dSdU = Ta(dSdU);
//dSdU = Ta(dSdU);
};
};

2
lib/qcd/action/pseudofermion/OneFlavourRational.h
View File

@ -186,7 +186,7 @@ namespace Grid{
}
dSdU = Ta(dSdU);
//dSdU = Ta(dSdU);
};
};

2
lib/qcd/action/pseudofermion/OneFlavourRationalRatio.h
View File

@ -242,7 +242,7 @@ namespace Grid{
}
dSdU = Ta(dSdU);
//dSdU = Ta(dSdU);
};
};

2
lib/qcd/action/pseudofermion/TwoFlavour.h
View File

@ -137,7 +137,7 @@ namespace Grid{
FermOp.MDeriv(tmp , Y, X,DaggerNo ); dSdU=tmp;
FermOp.MDeriv(tmp , X, Y,DaggerYes); dSdU=dSdU+tmp;
dSdU = Ta(dSdU);
//dSdU = Ta(dSdU);
};

4
lib/qcd/action/pseudofermion/TwoFlavourEvenOdd.h
View File

@ -100,7 +100,7 @@ namespace Grid{
PhiOdd =PhiOdd*scale;
PhiEven=PhiEven*scale;
};
//////////////////////////////////////////////////////
@ -173,7 +173,7 @@ namespace Grid{
FermOp.MeeDeriv(tmp , X, Y,DaggerYes); dSdU=dSdU+tmp;
*/
dSdU = Ta(dSdU);
//dSdU = Ta(dSdU);
};

5
lib/qcd/action/pseudofermion/TwoFlavourEvenOddRatio.h
View File

@ -188,8 +188,9 @@ namespace Grid{
assert(NumOp.ConstEE() == 1);
assert(DenOp.ConstEE() == 1);
dSdU = -Ta(dSdU);
//dSdU = -Ta(dSdU);
dSdU = -dSdU;
};
};
}

3
lib/qcd/action/pseudofermion/TwoFlavourRatio.h
View File

@ -155,7 +155,8 @@ namespace Grid{
DenOp.MDeriv(force,Y,X,DaggerNo); dSdU=dSdU-force;
DenOp.MDeriv(force,X,Y,DaggerYes); dSdU=dSdU-force;
dSdU = - Ta(dSdU);
dSdU *= -1.0;
//dSdU = - Ta(dSdU);
};
};