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Added Scalar action for fields in the adjoint representation
This commit is contained in:
Guido Cossu
parent
b3dede4dd3
commit
831ca4e3bf
@ -69,6 +69,7 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
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////////////////////////////////////////////
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#include <Grid/qcd/action/scalar/ScalarImpl.h>
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#include <Grid/qcd/action/scalar/ScalarAction.h>
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#include <Grid/qcd/action/scalar/ScalarInteractionAction.h>
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namespace Grid {
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namespace QCD {
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@ -106,6 +107,10 @@ typedef ScalarAction<ScalarImplR> ScalarActionR;
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typedef ScalarAction<ScalarImplF> ScalarActionF;
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typedef ScalarAction<ScalarImplD> ScalarActionD;
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typedef ScalarInteractionAction<ScalarAdjImplR> ScalarAdjActionR;
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typedef ScalarInteractionAction<ScalarAdjImplF> ScalarAdjActionF;
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typedef ScalarInteractionAction<ScalarAdjImplD> ScalarAdjActionD;
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}}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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@ -6,10 +6,10 @@
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Copyright (C) 2015
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: neo <cossu@post.kek.jp>
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Author: paboyle <paboyle@ph.ed.ac.uk>
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: neo <cossu@post.kek.jp>
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Author: paboyle <paboyle@ph.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -35,50 +35,49 @@ directory
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namespace Grid {
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// FIXME drop the QCD namespace everywhere here
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template <class Impl>
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class ScalarAction : public QCD::Action<typename Impl::Field> {
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public:
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template <class Impl>
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class ScalarAction : public QCD::Action<typename Impl::Field> {
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public:
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INHERIT_FIELD_TYPES(Impl);
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private:
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private:
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RealD mass_square;
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RealD lambda;
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public:
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ScalarAction(RealD ms, RealD l) : mass_square(ms), lambda(l){};
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virtual std::string LogParameters(){
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public:
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ScalarAction(RealD ms, RealD l) : mass_square(ms), lambda(l) {}
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virtual std::string LogParameters() {
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std::stringstream sstream;
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sstream << GridLogMessage << "[ScalarAction] lambda : " << lambda << std::endl;
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sstream << GridLogMessage << "[ScalarAction] mass_square : " << mass_square << std::endl;
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return sstream.str();
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}
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virtual std::string action_name(){return "ScalarAction";}
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virtual void refresh(const Field &U,
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GridParallelRNG &pRNG){}; // noop as no pseudoferms
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virtual std::string action_name() {return "ScalarAction";}
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virtual void refresh(const Field &U, GridParallelRNG &pRNG) {} // noop as no pseudoferms
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virtual RealD S(const Field &p) {
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return (mass_square * 0.5 + QCD::Nd) * ScalarObs<Impl>::sumphisquared(p) +
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(lambda / 24.) * ScalarObs<Impl>::sumphifourth(p) +
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ScalarObs<Impl>::sumphider(p);
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(lambda / 24.) * ScalarObs<Impl>::sumphifourth(p) +
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ScalarObs<Impl>::sumphider(p);
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};
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virtual void deriv(const Field &p,
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Field &force) {
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Field &force) {
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Field tmp(p._grid);
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Field p2(p._grid);
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ScalarObs<Impl>::phisquared(p2, p);
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tmp = -(Cshift(p, 0, -1) + Cshift(p, 0, 1));
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for (int mu = 1; mu < QCD::Nd; mu++) tmp -= Cshift(p, mu, -1) + Cshift(p, mu, 1);
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force=+(mass_square + 2. * QCD::Nd) * p + (lambda / 6.) * p2 * p + tmp;
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};
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};
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} // Grid
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force =+(mass_square + 2. * QCD::Nd) * p + (lambda / 6.) * p2 * p + tmp;
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}
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};
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} // namespace Grid
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#endif // SCALAR_ACTION_H
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@ -5,96 +5,99 @@
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namespace Grid {
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//namespace QCD {
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template <class S>
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class ScalarImplTypes {
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public:
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template <class S>
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class ScalarImplTypes {
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public:
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typedef S Simd;
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template <typename vtype>
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using iImplField = iScalar<iScalar<iScalar<vtype> > >;
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typedef iImplField<Simd> SiteField;
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typedef Lattice<SiteField> Field;
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static inline void generate_momenta(Field& P, GridParallelRNG& pRNG){
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static inline void generate_momenta(Field& P, GridParallelRNG& pRNG) {
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gaussian(pRNG, P);
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}
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static inline Field projectForce(Field& P){return P;}
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static inline void update_field(Field& P, Field& U, double ep){
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static inline void update_field(Field& P, Field& U, double ep) {
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U += P*ep;
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}
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static inline RealD FieldSquareNorm(Field& U){
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static inline RealD FieldSquareNorm(Field& U) {
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return (- sum(trace(U*U))/2.0);
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}
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static inline void HotConfiguration(GridParallelRNG &pRNG, Field &U) {
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gaussian(pRNG, U);
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}
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static inline void TepidConfiguration(GridParallelRNG &pRNG, Field &U) {
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gaussian(pRNG, U);
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}
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static inline void ColdConfiguration(GridParallelRNG &pRNG, Field &U) {
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U = 1.0;
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}
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};
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template <class S, unsigned int N>
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class ScalarMatrixImplTypes {
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class ScalarAdjMatrixImplTypes {
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public:
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typedef S Simd;
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template <typename vtype>
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using iImplField = iScalar<iScalar<iMatrix<vtype, N> > >;
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typedef iImplField<Simd> SiteField;
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typedef Lattice<SiteField> Field;
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static inline void generate_momenta(Field& P, GridParallelRNG& pRNG){
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gaussian(pRNG, P);
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static inline void generate_momenta(Field& P, GridParallelRNG& pRNG) {
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QCD::SU<N>::GaussianFundamentalLieAlgebraMatrix(pRNG, P);
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}
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static inline Field projectForce(Field& P){return P;}
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static inline void update_field(Field& P, Field& U, double ep){
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static inline Field projectForce(Field& P) {return P;}
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static inline void update_field(Field& P, Field& U, double ep) {
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U += P*ep;
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}
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static inline RealD FieldSquareNorm(Field& U){
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return (TensorRemove(- sum(trace(U*U))*0.5).real());
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static inline RealD FieldSquareNorm(Field& U) {
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return (TensorRemove(sum(trace(U*U))).real());
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}
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static inline void HotConfiguration(GridParallelRNG &pRNG, Field &U) {
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gaussian(pRNG, U);
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QCD::SU<N>::LieRandomize(pRNG, U);
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}
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static inline void TepidConfiguration(GridParallelRNG &pRNG, Field &U) {
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gaussian(pRNG, U);
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QCD::SU<N>::LieRandomize(pRNG, U, 0.01);
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}
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static inline void ColdConfiguration(GridParallelRNG &pRNG, Field &U) {
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U = 1.0;
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U = zero;
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}
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};
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typedef ScalarImplTypes<vReal> ScalarImplR;
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typedef ScalarImplTypes<vRealF> ScalarImplF;
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typedef ScalarImplTypes<vRealD> ScalarImplD;
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//}
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}
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// Hardcoding here the size of the matrices
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typedef ScalarAdjMatrixImplTypes<vComplex, QCD::Nc> ScalarAdjImplR;
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typedef ScalarAdjMatrixImplTypes<vComplexF, QCD::Nc> ScalarAdjImplF;
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typedef ScalarAdjMatrixImplTypes<vComplexD, QCD::Nc> ScalarAdjImplD;
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//}
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}
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#endif
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@ -6,10 +6,7 @@
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Copyright (C) 2015
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: neo <cossu@post.kek.jp>
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Author: paboyle <paboyle@ph.ed.ac.uk>
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Author: Guido Cossu <guido,cossu@ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -30,55 +27,54 @@ directory
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*************************************************************************************/
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/* END LEGAL */
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#ifndef SCALAR_ACTION_H
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#define SCALAR_ACTION_H
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#ifndef SCALAR_INT_ACTION_H
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#define SCALAR_INT_ACTION_H
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namespace Grid {
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// FIXME drop the QCD namespace everywhere here
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template <class Impl>
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class ScalarInteractionAction : public QCD::Action<typename Impl::Field> {
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public:
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INHERIT_FIELD_TYPES(Impl);
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private:
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template <class Impl>
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class ScalarInteractionAction : public QCD::Action<typename Impl::Field> {
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RealD mass_square;
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RealD lambda;
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public:
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ScalarAction(RealD ms, RealD l) : mass_square(ms), lambda(l){};
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virtual std::string LogParameters(){
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public:
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INHERIT_FIELD_TYPES(Impl);
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ScalarInteractionAction(RealD ms, RealD l) : mass_square(ms), lambda(l) {}
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virtual std::string LogParameters() {
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std::stringstream sstream;
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sstream << GridLogMessage << "[ScalarAction] lambda : " << lambda << std::endl;
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sstream << GridLogMessage << "[ScalarAction] mass_square : " << mass_square << std::endl;
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return sstream.str();
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}
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virtual std::string action_name(){return "ScalarAction";}
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virtual void refresh(const Field &U,
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GridParallelRNG &pRNG){}; // noop as no pseudoferms
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virtual RealD S(const Field &p) {
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return (mass_square * 0.5 + QCD::Nd) * ScalarObs<Impl>::sumphisquared(p) +
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(lambda / 24.) * ScalarObs<Impl>::sumphifourth(p) +
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ScalarObs<Impl>::sumphider(p);
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};
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virtual void deriv(const Field &p,
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Field &force) {
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Field tmp(p._grid);
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Field p2(p._grid);
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ScalarObs<Impl>::phisquared(p2, p);
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tmp = -(Cshift(p, 0, -1) + Cshift(p, 0, 1));
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for (int mu = 1; mu < QCD::Nd; mu++) tmp -= Cshift(p, mu, -1) + Cshift(p, mu, 1);
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force=+(mass_square + 2. * QCD::Nd) * p + (lambda / 6.) * p2 * p + tmp;
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};
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};
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} // Grid
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#endif // SCALAR_ACTION_H
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virtual std::string action_name() {return "ScalarAction";}
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virtual void refresh(const Field &U,
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GridParallelRNG &pRNG) {} // noop as no pseudoferms
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virtual RealD S(const Field &p) {
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Field action(p._grid);
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Field pshift(p._grid);
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Field phisquared(p._grid);
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phisquared = p*p;
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action = (2.0*QCD::Nd + mass_square)*phisquared + lambda*phisquared*phisquared;
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for (int mu = 0; mu < QCD::Nd; mu++) {
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pshift = Cshift(p, mu, +1); // not efficient implement with stencils
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action -= pshift*p + p*pshift;
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}
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return -(TensorRemove(sum(trace(action)))).real();
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};
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virtual void deriv(const Field &p,
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Field &force) {
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force = (2.0*QCD::Nd + mass_square)*p + 2.0*lambda*p*p*p;
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// following is inefficient
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for (int mu = 0; mu < QCD::Nd; mu++) force -= Cshift(p, mu, -1) + Cshift(p, mu, 1);
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}
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};
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} // namespace Grid
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#endif // SCALAR_INT_ACTION_H
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@ -202,6 +202,9 @@ using GenericHMCRunnerTemplate = HMCWrapperTemplate<Implementation, Integrator,
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typedef HMCWrapperTemplate<ScalarImplR, MinimumNorm2, ScalarFields>
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ScalarGenericHMCRunner;
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typedef HMCWrapperTemplate<ScalarAdjImplR, MinimumNorm2, ScalarMatrixFields>
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ScalarAdjGenericHMCRunner;
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} // namespace QCD
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} // namespace Grid
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@ -62,7 +62,7 @@ class Representations {
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typedef Representations<FundamentalRepresentation> NoHirep;
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typedef Representations<EmptyRep<typename ScalarImplR::Field> > ScalarFields;
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//typedef Representations<EmptyRep<typename ScalarMatrixImplR::Field> > ScalarMatrixFields;
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typedef Representations<EmptyRep<typename ScalarAdjImplR::Field> > ScalarMatrixFields;
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// Helper classes to access the elements
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// Strips the first N parameters from the tuple
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100
tests/hmc/Test_hmc_ScalarActionNxN.cc
Normal file
100
tests/hmc/Test_hmc_ScalarActionNxN.cc
Normal file
@ -0,0 +1,100 @@
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_hmc_WilsonFermionGauge.cc
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Copyright (C) 2016
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Author: Guido Cossu <guido.cossu@ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#include <Grid/Grid.h>
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namespace Grid{
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class ScalarActionParameters : Serializable {
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(ScalarActionParameters,
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double, mass_squared,
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double, lambda);
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};
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}
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int main(int argc, char **argv) {
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using namespace Grid;
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using namespace Grid::QCD;
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Grid_init(&argc, &argv);
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int threads = GridThread::GetThreads();
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// here make a routine to print all the relevant information on the run
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std::cout << GridLogMessage << "Grid is setup to use " << threads << " threads" << std::endl;
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// Typedefs to simplify notation
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typedef ScalarAdjGenericHMCRunner HMCWrapper; // Uses the default minimum norm, real scalar fields
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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HMCWrapper TheHMC;
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// Grid from the command line
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GridModule ScalarGrid;
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ScalarGrid.set_full( SpaceTimeGrid::makeFourDimGrid(
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GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()),
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GridDefaultMpi()));
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ScalarGrid.set_rb(SpaceTimeGrid::makeFourDimRedBlackGrid(ScalarGrid.get_full()));
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TheHMC.Resources.AddGrid("scalar", ScalarGrid);
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// Possibile to create the module by hand
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// hardcoding parameters or using a Reader
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// Checkpointer definition
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CheckpointerParameters CPparams;
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CPparams.config_prefix = "ckpoint_scalar_lat";
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CPparams.rng_prefix = "ckpoint_scalar_rng";
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CPparams.saveInterval = 50;
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CPparams.format = "IEEE64BIG";
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TheHMC.Resources.LoadBinaryCheckpointer(CPparams);
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RNGModuleParameters RNGpar;
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RNGpar.serial_seeds = "1 2 3 4 5";
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RNGpar.parallel_seeds = "6 7 8 9 10";
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TheHMC.Resources.SetRNGSeeds(RNGpar);
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/////////////////////////////////////////////////////////////
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// Collect actions, here use more encapsulation
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// Scalar action in adjoint representation
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ScalarActionParameters SPar;
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SPar.mass_squared = 0.5;
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SPar.lambda = 0.1;
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ScalarAdjActionR Saction(SPar.mass_squared, SPar.lambda);
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// Collect actions
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ActionLevel<ScalarAdjActionR::Field, ScalarMatrixFields> Level1(1);
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Level1.push_back(&Saction);
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TheHMC.TheAction.push_back(Level1);
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/////////////////////////////////////////////////////////////
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// HMC parameters are serialisable
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TheHMC.Parameters.MD.MDsteps = 10;
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TheHMC.Parameters.MD.trajL = 1.0;
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TheHMC.ReadCommandLine(argc, argv);
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TheHMC.Run();
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Grid_finalize();
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} // main
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