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Added TwoFlavorsEO

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Had to remove a conformability check in the Derivative of SchurDiff,
see the comments in the file
This commit is contained in:
Guido Cossu
2017-01-20 16:59:31 +00:00
parent f96fac0aee
commit 27dfe816fa
9 changed files with 276 additions and 191 deletions
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7
lib/qcd/action/fermion/WilsonFermion.cc
View File

@ -247,8 +247,9 @@ template <class Impl>
void WilsonFermion<Impl>::DhopDerivOE(GaugeField &mat, const FermionField &U, const FermionField &V, int dag) {
conformable(U._grid, _cbgrid);
conformable(U._grid, V._grid);
conformable(U._grid, mat._grid);
//conformable(U._grid, mat._grid); not general, leaving as a comment (Guido)
// Motivation: look at the SchurDiff operator
assert(V.checkerboard == Even);
assert(U.checkerboard == Odd);
mat.checkerboard = Odd;
@ -260,7 +261,7 @@ template <class Impl>
void WilsonFermion<Impl>::DhopDerivEO(GaugeField &mat, const FermionField &U, const FermionField &V, int dag) {
conformable(U._grid, _cbgrid);
conformable(U._grid, V._grid);
conformable(U._grid, mat._grid);
//conformable(U._grid, mat._grid);
assert(V.checkerboard == Odd);
assert(U.checkerboard == Even);

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

@ -67,6 +67,7 @@ namespace Grid{
// NOTE Guido: WE DO NOT WANT TO USE THE ucbgrid GRID FOR THE FORCE
// it is not conformable with the HMC force field
// Case: Ls vectorised fields
// INHERIT FROM THE Force field instead
GridRedBlackCartesian* forcecb = new GridRedBlackCartesian(Force._grid);
GaugeField ForceO(forcecb);
@ -76,9 +77,8 @@ namespace Grid{
// X^dag Der_oe MeeInv Meo Y
// Use Mooee as nontrivial but gauge field indept
this->_Mat.Meooe (V,tmp1); // odd->even -- implicit -0.5 factor to be applied
this->_Mat.MooeeInv(tmp1,tmp2); // even->even
this->_Mat.MooeeInv(tmp1,tmp2); // even->even
this->_Mat.MoeDeriv(ForceO,U,tmp2,DaggerNo);
// Accumulate X^dag M_oe MeeInv Der_eo Y
this->_Mat.MeooeDag (U,tmp1); // even->odd -- implicit -0.5 factor to be applied
this->_Mat.MooeeInvDag(tmp1,tmp2); // even->even

108
lib/qcd/action/pseudofermion/TwoFlavourEvenOdd.h
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@ -31,82 +31,89 @@ directory
#define QCD_PSEUDOFERMION_TWO_FLAVOUR_EVEN_ODD_H
namespace Grid {
namespace QCD {
namespace QCD {
////////////////////////////////////////////////////////////////////////
// Two flavour pseudofermion action for any EO prec dop
////////////////////////////////////////////////////////////////////////
template <class Impl>
class TwoFlavourEvenOddPseudoFermionAction
: public Action<typename Impl::GaugeField> {
public:
INHERIT_IMPL_TYPES(Impl);
////////////////////////////////////////////////////////////////////////
// Two flavour pseudofermion action for any EO prec dop
////////////////////////////////////////////////////////////////////////
template <class Impl>
class TwoFlavourEvenOddPseudoFermionAction
: public Action<typename Impl::GaugeField> {
public:
INHERIT_IMPL_TYPES(Impl);
private:
FermionOperator<Impl> &FermOp; // the basic operator
private:
FermionOperator<Impl> &FermOp; // the basic operator
OperatorFunction<FermionField> &DerivativeSolver;
OperatorFunction<FermionField> &ActionSolver;
OperatorFunction<FermionField> &DerivativeSolver;
OperatorFunction<FermionField> &ActionSolver;
FermionField PhiOdd; // the pseudo fermion field for this trajectory
FermionField PhiEven; // the pseudo fermion field for this trajectory
FermionField PhiOdd; // the pseudo fermion field for this trajectory
FermionField PhiEven; // the pseudo fermion field for this trajectory
public:
/////////////////////////////////////////////////
// Pass in required objects.
/////////////////////////////////////////////////
TwoFlavourEvenOddPseudoFermionAction(FermionOperator<Impl> &Op,
OperatorFunction<FermionField> &DS,
OperatorFunction<FermionField> &AS)
: FermOp(Op),
DerivativeSolver(DS),
ActionSolver(AS),
PhiEven(Op.FermionRedBlackGrid()),
PhiOdd(Op.FermionRedBlackGrid())
{};
public:
/////////////////////////////////////////////////
// Pass in required objects.
/////////////////////////////////////////////////
TwoFlavourEvenOddPseudoFermionAction(FermionOperator<Impl> &Op,
OperatorFunction<FermionField> &DS,
OperatorFunction<FermionField> &AS)
: FermOp(Op),
DerivativeSolver(DS),
ActionSolver(AS),
PhiEven(Op.FermionRedBlackGrid()),
PhiOdd(Op.FermionRedBlackGrid())
{};
virtual std::string action_name(){return "TwoFlavourEvenOddPseudoFermionAction";}
virtual std::string action_name(){return "TwoFlavourEvenOddPseudoFermionAction";}
virtual std::string LogParameters(){
std::stringstream sstream;
sstream << GridLogMessage << "["<<action_name()<<"] has no parameters" << std::endl;
return sstream.str();
}
//////////////////////////////////////////////////////////////////////////////////////
// Push the gauge field in to the dops. Assume any BC's and smearing already applied
//////////////////////////////////////////////////////////////////////////////////////
virtual void refresh(const GaugeField &U, GridParallelRNG& pRNG) {
// P(phi) = e^{- phi^dag (MpcdagMpc)^-1 phi}
// Phi = McpDag eta
// P(eta) = e^{- eta^dag eta}
//
// e^{x^2/2 sig^2} => sig^2 = 0.5.
RealD scale = std::sqrt(0.5);
FermionField eta (FermOp.FermionGrid());
FermionField etaOdd (FermOp.FermionRedBlackGrid());
FermionField etaEven(FermOp.FermionRedBlackGrid());
gaussian(pRNG,eta);
pickCheckerboard(Even,etaEven,eta);
pickCheckerboard(Odd,etaOdd,eta);
FermOp.ImportGauge(U);
SchurDifferentiableOperator<Impl> PCop(FermOp);
PCop.MpcDag(etaOdd,PhiOdd);
FermOp.MooeeDag(etaEven,PhiEven);
PhiOdd =PhiOdd*scale;
PhiEven=PhiEven*scale;
};
//////////////////////////////////////////////////////
// S = phi^dag (Mdag M)^-1 phi (odd)
// + phi^dag (Mdag M)^-1 phi (even)
//////////////////////////////////////////////////////
virtual RealD S(const GaugeField &U) {
FermOp.ImportGauge(U);
FermionField X(FermOp.FermionRedBlackGrid());
@ -137,7 +144,7 @@ class TwoFlavourEvenOddPseudoFermionAction
//
//////////////////////////////////////////////////////
virtual void deriv(const GaugeField &U,GaugeField & dSdU) {
std::cout << GridLogDebug << "Calling deriv" << std::endl;
FermOp.ImportGauge(U);
FermionField X(FermOp.FermionRedBlackGrid());
@ -151,10 +158,17 @@ class TwoFlavourEvenOddPseudoFermionAction
X=zero;
DerivativeSolver(Mpc,PhiOdd,X);
std::cout << GridLogDebug << "Calling deriv 2 " << std::endl;
Mpc.Mpc(X,Y);
Mpc.MpcDeriv(tmp , Y, X ); dSdU=tmp;
std::cout << GridLogDebug << "Calling deriv 3 " << std::endl;
Mpc.MpcDeriv(tmp , Y, X );
std::cout << GridLogDebug << "Calling deriv 4 " << std::endl;
dSdU=tmp;
std::cout << GridLogDebug << "Calling deriv 5 " << std::endl;
Mpc.MpcDagDeriv(tmp , X, Y); dSdU=dSdU+tmp;
std::cout << GridLogDebug << "Calling deriv 6" << std::endl;
// Treat the EE case. (MdagM)^-1 = Minv Minvdag
// Deriv defaults to zero.
// FermOp.MooeeInvDag(PhiOdd,Y);
@ -165,10 +179,10 @@ class TwoFlavourEvenOddPseudoFermionAction
assert(FermOp.ConstEE() == 1);
/*
FermOp.MooeeInvDag(PhiOdd,Y);
FermOp.MooeeInv(Y,X);
FermOp.MeeDeriv(tmp , Y, X,DaggerNo ); dSdU=tmp;
FermOp.MeeDeriv(tmp , X, Y,DaggerYes); dSdU=dSdU+tmp;
FermOp.MooeeInvDag(PhiOdd,Y);
FermOp.MooeeInv(Y,X);
FermOp.MeeDeriv(tmp , Y, X,DaggerNo ); dSdU=tmp;
FermOp.MeeDeriv(tmp , X, Y,DaggerYes); dSdU=dSdU+tmp;
*/
//dSdU = Ta(dSdU);