portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-14 13:57:07 +01:00
Code Releases Activity

Added HMC utitities for the higher representations

Browse Source 
TODO: Inherit types for the pseudofermions, Debugging, testing
This commit is contained in:
Guido Cossu
2016-07-15 13:39:47 +01:00
parent 9dc345e8e8
commit 7edf4c6c04
10 changed files with 201 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files

146
lib/qcd/action/ActionBase.h
View File

@ -1,49 +1,52 @@
/*************************************************************************************
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/action/ActionBase.h
Source file: ./lib/qcd/action/ActionBase.h
Copyright (C) 2015
Copyright (C) 2015
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
Author: neo <cossu@post.kek.jp>
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_ACTION_BASE
#define QCD_ACTION_BASE
namespace Grid {
namespace QCD{
template<class GaugeField>
class Action {
namespace QCD {
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
virtual void deriv(const GaugeField &U,GaugeField & dSdU ) = 0; // evaluate the action derivative
virtual ~Action() {};
virtual void refresh(const GaugeField& U,
GridParallelRNG& pRNG) = 0; // refresh pseudofermions
virtual RealD S(const GaugeField& U) = 0; // evaluate the action
virtual void deriv(const GaugeField& U,
GaugeField& dSdU) = 0; // evaluate the action derivative
virtual ~Action(){};
};
// Could derive PseudoFermion action with a PF field, FermionField, and a Grid; implement refresh
// Could derive PseudoFermion action with a PF field, FermionField, and a Grid;
// implement refresh
/*
template<class GaugeField, class FermionField>
class PseudoFermionAction : public Action<GaugeField> {
@ -52,7 +55,8 @@ class PseudoFermionAction : public Action<GaugeField> {
GridParallelRNG &pRNG;
GridBase &Grid;
PseudoFermionAction(GridBase &_Grid,GridParallelRNG &_pRNG) : Grid(_Grid), Phi(&_Grid), pRNG(_pRNG) {
PseudoFermionAction(GridBase &_Grid,GridParallelRNG &_pRNG) : Grid(_Grid),
Phi(&_Grid), pRNG(_pRNG) {
};
virtual void refresh(const GaugeField &gauge) {
@ -62,26 +66,90 @@ class PseudoFermionAction : public Action<GaugeField> {
};
*/
template<class GaugeField> struct ActionLevel{
public:
typedef Action<GaugeField>* ActPtr; // now force the same colours as the rest of the code
template <class GaugeField>
struct ActionLevel {
public:
typedef Action<GaugeField>*
ActPtr; // now force the same colours as the rest of the code
//Add supported representations here
unsigned int multiplier;
std::vector<ActPtr> actions;
ActionLevel(unsigned int mul = 1) : actions(0), multiplier(mul) {
assert (mul >= 1);
assert(mul >= 1);
};
void push_back(ActPtr ptr){
actions.push_back(ptr);
}
void push_back(ActPtr ptr) { actions.push_back(ptr); }
};
template<class GaugeField> using ActionSet = std::vector<ActionLevel< GaugeField > >;
template <class GaugeField, class Repr>
struct ActionLevelHirep {
public:
unsigned int multiplier;
// Fundamental repr actions separated because of the smearing
typedef Action<GaugeField>* ActPtr;
//std::vector<ActPtr> actions;
// construct a tuple of vectors of the actions for the corresponding higher
// representation fields
typename AccessTypes<Action, Repr>::VectorCollection actions_hirep;
typedef typename AccessTypes<Action, Repr>::ClassCollection actions_hirep_ptrs_type;
std::vector<ActPtr>& actions;
// Temporary conversion between ActionLevel and ActionLevelHirep
ActionLevelHirep(ActionLevel<GaugeField>& AL ):actions(AL.actions), multiplier(AL.multiplier){}
ActionLevelHirep(unsigned int mul = 1) : actions(std::get<0>(actions_hirep)), multiplier(mul) {
// initialize the hirep vectors to zero.
//apply(&ActionLevelHirep::resize, actions_hirep, 0); //need a working resize
assert(mul >= 1);
};
void push_back(ActPtr ptr) { actions.push_back(ptr); }
// SFINAE construct, check
template <class actionpointer, size_t N>
void push_back(actionpointer ptr, decltype(std::tuple_element<N, actions_hirep_ptrs_type>::value)* = 0) {
//insert only in the correct vector
std::get<N>(actions_hirep).push_back(ptr);
};
template < class ActPtr>
static void resize(ActPtr ap, unsigned int n){
ap->resize(n);
}
// Loop on tuple for a callable function
template <std::size_t I = 0, class Tuple, typename Callable, typename ...Args>
inline typename std::enable_if<(I == std::tuple_size<Tuple>::value), void>::type apply(
Callable&, Tuple& , Args...) {}
template <std::size_t I = 0, class Tuple, typename Callable, typename ...Args>
inline typename std::enable_if<(I < std::tuple_size<Tuple>::value), void>::type apply(
Callable& fn, Tuple& T, Args... arguments) {
fn(std::get<I>(T), arguments...);
apply<I + 1>(T, fn, arguments...);
}
};
template <class GaugeField>
using ActionSet = std::vector<ActionLevel<GaugeField> >;
template <class GaugeField, class R>
using ActionSetHirep = std::vector<ActionLevelHirep<GaugeField, R> >;
}
}