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Merge pull request #120 from paboyle/feature/scalar-hmc-update

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Scalar HMC update. 
I agree with the changes.
This commit is contained in:
Guido Cossu 2017-06-27 16:23:14 +01:00 committed by GitHub
commit dafb351d38
6 changed files with 16 additions and 14 deletions
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8
lib/qcd/action/scalar/ScalarImpl.h
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@ -93,6 +93,8 @@ class ScalarImplTypes {
class ScalarAdjMatrixImplTypes {
public:
typedef S Simd;
typedef QCD::SU<N> Group;
template <typename vtype>
using iImplField = iScalar<iScalar<iMatrix<vtype, N>>>;
template <typename vtype>
@ -108,7 +110,7 @@ class ScalarImplTypes {
typedef Field PropagatorField;
static inline void generate_momenta(Field& P, GridParallelRNG& pRNG) {
QCD::SU<N>::GaussianFundamentalLieAlgebraMatrix(pRNG, P);
Group::GaussianFundamentalLieAlgebraMatrix(pRNG, P);
}
static inline Field projectForce(Field& P) {return P;}
@ -122,11 +124,11 @@ class ScalarImplTypes {
}
static inline void HotConfiguration(GridParallelRNG &pRNG, Field &U) {
QCD::SU<N>::LieRandomize(pRNG, U);
Group::LieRandomize(pRNG, U);
}
static inline void TepidConfiguration(GridParallelRNG &pRNG, Field &U) {
QCD::SU<N>::LieRandomize(pRNG, U, 0.01);
Group::LieRandomize(pRNG, U, 0.01);
}
static inline void ColdConfiguration(GridParallelRNG &pRNG, Field &U) {

6
lib/qcd/action/scalar/ScalarInteractionAction.h
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@ -81,7 +81,7 @@ namespace Grid {
phiStencil.HaloExchange(p, compressor);
Field action(p._grid), pshift(p._grid), phisquared(p._grid);
phisquared = p*p;
action = (2.0*Ndim + mass_square)*phisquared + lambda*phisquared*phisquared;
action = (2.0*Ndim + mass_square)*phisquared + lambda/24.*phisquared*phisquared;
for (int mu = 0; mu < Ndim; mu++) {
// pshift = Cshift(p, mu, +1); // not efficient, implement with stencils
parallel_for (int i = 0; i < p._grid->oSites(); i++) {
@ -98,7 +98,7 @@ namespace Grid {
permute(temp2, *temp, permute_type);
action._odata[i] -= temp2*(*t_p) + (*t_p)*temp2;
} else {
action._odata[i] -= *temp*(*t_p) + (*t_p)*(*temp);
action._odata[i] -= (*temp)*(*t_p) + (*t_p)*(*temp);
}
} else {
action._odata[i] -= phiStencil.CommBuf()[SE->_offset]*(*t_p) + (*t_p)*phiStencil.CommBuf()[SE->_offset];
@ -113,7 +113,7 @@ namespace Grid {
virtual void deriv(const Field &p, Field &force) {
assert(p._grid->Nd() == Ndim);
force = (2.0*Ndim + mass_square)*p + 2.0*lambda*p*p*p;
force = (2.0*Ndim + mass_square)*p + lambda/12.*p*p*p;
// move this outside
static Stencil phiStencil(p._grid, npoint, 0, directions, displacements);
phiStencil.HaloExchange(p, compressor);

2
lib/qcd/hmc/HMC.h
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@ -76,7 +76,7 @@ struct HMCparameters: Serializable {
template < class ReaderClass >
void initialize(Reader<ReaderClass> &TheReader){
std::cout << "Reading HMC\n";
std::cout << GridLogMessage << "Reading HMC\n";
read(TheReader, "HMC", *this);
}

3
lib/qcd/hmc/HMCResourceManager.h
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@ -253,6 +253,7 @@ class HMCResourceManager {
template<class T, class... Types>
void AddObservable(Types&&... Args){
ObservablesList.push_back(std::unique_ptr<T>(new T(std::forward<Types>(Args)...)));
ObservablesList.back()->print_parameters();
}
std::vector<HmcObservable<typename ImplementationPolicy::Field>* > GetObservables(){
@ -297,4 +298,4 @@ private:
}
}
#endif // HMC_RESOURCE_MANAGER_H
#endif // HMC_RESOURCE_MANAGER_H

3
lib/qcd/utils/SUn.h
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@ -716,8 +716,7 @@ template<typename GaugeField,typename GaugeMat>
for (int a = 0; a < AdjointDimension; a++) {
generator(a, Ta);
auto tmp = - 2.0 * (trace(timesI(Ta) * in)) * scale;// 2.0 for the normalization of the trace in the fundamental rep
pokeColour(h_out, tmp, a);
pokeColour(h_out, - 2.0 * (trace(timesI(Ta) * in)) * scale, a);
}
}

8
tests/hmc/Test_hmc_ScalarActionNxN.cc
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@ -45,7 +45,7 @@ using namespace Grid;
using namespace Grid::QCD;
template <class Impl>
class MagLogger : public HmcObservable<typename Impl::Field> {
class MagMeas : public HmcObservable<typename Impl::Field> {
public:
typedef typename Impl::Field Field;
typedef typename Impl::Simd::scalar_type Trace;
@ -72,13 +72,13 @@ private:
};
template <class Impl>
class MagMod: public ObservableModule<MagLogger<Impl>, NoParameters>{
typedef ObservableModule<MagLogger<Impl>, NoParameters> ObsBase;
class MagMod: public ObservableModule<MagMeas<Impl>, NoParameters>{
typedef ObservableModule<MagMeas<Impl>, NoParameters> ObsBase;
using ObsBase::ObsBase; // for constructors
// acquire resource
virtual void initialize(){
this->ObservablePtr.reset(new MagLogger<Impl>());
this->ObservablePtr.reset(new MagMeas<Impl>());
}
public:
MagMod(): ObsBase(NoParameters()){}