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mirror of https://github.com/paboyle/Grid.git synced 2025-06-13 20:57:06 +01:00

Committing incomplete work for parameter file I/O.

MacroMagic.h is central. Guido and I plan to move
over to generating virtual (XML, JSON, YAML, text, binary) encoding
from macro based system.
This commit is contained in:
Peter Boyle
2015-07-27 18:32:28 +09:00
parent 51031dd46c
commit f4c74e34d8
22 changed files with 14262 additions and 93 deletions

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@ -7,14 +7,30 @@ template<class GaugeField>
class Action {
public:
virtual void init(const GaugeField &U, GridParallelRNG& pRNG) = 0;
virtual RealD S(const GaugeField &U) = 0; // evaluate the action
virtual void deriv(const GaugeField &U,GaugeField & dSdU ) = 0; // evaluate the action derivative
//virtual void refresh(const GaugeField & ) {} ;
virtual void init (const GaugeField &U, GridParallelRNG& pRNG) = 0; //
virtual RealD S (const GaugeField &U) = 0; // evaluate the action
virtual void deriv(const GaugeField &U,GaugeField & dSdU ) = 0; // evaluate the action derivative
virtual void refresh(const GaugeField & ) {}; // Default to no-op for actions with no internal fields
// Boundary conditions?
// Heatbath?
virtual ~Action() {};
};
// Could derive PseudoFermion action with a PF field, FermionField, and a Grid; implement refresh
template<class GaugeField, class FermionField>
class PseudoFermionAction : public Action<GaugeField> {
public:
FermionField Phi;
GridParallelRNG &pRNG;
GridBase &Grid;
PseudoFermionAction(GridBase &_Grid,GridParallelRNG &_pRNG) : Grid(_Grid), Phi(&_Grid), pRNG(_pRNG) {
};
virtual void refresh(const GaugeField &gauge) {
gaussian(Phi,pRNG);
};
};
}}
#endif

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@ -149,6 +149,7 @@ PARALLEL_FOR_LOOP
////////////////////////////
// spin trace outer product
////////////////////////////
// FIXME : need to sum over fifth direction.
tmp = TraceIndex<SpinIndex>(outerProduct(Btilde,A)); // ordering here
PokeIndex<LorentzIndex>(mat,tmp,mu);

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@ -17,8 +17,5 @@ namespace Grid{
}
}
}

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@ -27,13 +27,22 @@ namespace Grid{
template <class Algorithm>
class HybridMonteCarlo{
const HMCparameters Params;
GridSerialRNG sRNG;
GridSerialRNG sRNG; // Fixme: need a RNG management strategy.
Integrator<Algorithm>& MD;
/////////////////////////////////////////////////////////
// Metropolis step
/////////////////////////////////////////////////////////
bool metropolis_test(const RealD DeltaH){
RealD rn_test;
RealD prob = std::exp(-DeltaH);
random(sRNG,rn_test);
std::cout<<GridLogMessage<< "--------------------------------------------\n";
@ -47,14 +56,19 @@ namespace Grid{
std::cout<<GridLogMessage <<"-- REJECTED\n";
return false;
}
}
/////////////////////////////////////////////////////////
// Evolution
/////////////////////////////////////////////////////////
RealD evolve_step(LatticeLorentzColourMatrix& U){
MD.init(U); // set U and initialize P and phi's
RealD H0 = MD.S(U); // initial state action
std::cout<<GridLogMessage<<"Total H before = "<< H0 << "\n";
MD.integrate(U);
RealD H1 = MD.S(U); // updated state action
@ -64,13 +78,17 @@ namespace Grid{
}
public:
HybridMonteCarlo(HMCparameters Pms,
Integrator<Algorithm>& MolDyn):
Params(Pms),MD(MolDyn){
//FIXME
// initialize RNGs also with seed
/////////////////////////////////////////
// Constructor
/////////////////////////////////////////
HybridMonteCarlo(HMCparameters Pms, Integrator<Algorithm>& MolDyn): Params(Pms),MD(MolDyn) {
//FIXME... initialize RNGs also with seed ; RNG management strategy
sRNG.SeedRandomDevice();
}
~HybridMonteCarlo(){};
@ -95,7 +113,8 @@ namespace Grid{
DeltaH = evolve_step(Ucopy);
if(metropolis_test(DeltaH)) Uin = Ucopy;
//need sync?
//need sync? // Query Guido on this comment
}
}
};