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Dirichlet filters running on AMD and now integrated in Fermion op

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This commit is contained in:
Peter Boyle
2022-02-23 19:29:28 -05:00
parent 70988e43d2
commit 0f1c5b08a1
9 changed files with 125 additions and 61 deletions
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3
Grid/qcd/action/ActionCore.h
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@ -37,6 +37,9 @@ NAMESPACE_CHECK(ActionSet);
#include <Grid/qcd/action/ActionParams.h>
NAMESPACE_CHECK(ActionParams);
#include <Grid/qcd/action/filters/MomentumFilter.h>
#include <Grid/qcd/action/filters/DirichletFilter.h>
////////////////////////////////////////////
// Gauge Actions
////////////////////////////////////////////

2
Grid/qcd/action/fermion/FermionOperator.h
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@ -49,6 +49,8 @@ public:
virtual FermionField &tmp(void) = 0;
virtual void DirichletBlock(Coordinate & _Block) { assert(0); };
GridBase * Grid(void) { return FermionGrid(); }; // this is all the linalg routines need to know
GridBase * RedBlackGrid(void) { return FermionRedBlackGrid(); };

18
Grid/qcd/action/fermion/WilsonFermion5D.h
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@ -75,6 +75,10 @@ public:
FermionField _tmp;
FermionField &tmp(void) { return _tmp; }
int Dirichlet;
Coordinate Block;
/********** Deprecate timers **********/
void Report(void);
void ZeroCounters(void);
double DhopCalls;
@ -174,10 +178,16 @@ public:
GridRedBlackCartesian &FourDimRedBlackGrid,
double _M5,const ImplParams &p= ImplParams());
void DirichletBlock(std::vector<int> & block){
Stencil.DirichletBlock(block);
StencilEven.DirichletBlock(block);
StencilOdd.DirichletBlock(block);
virtual void DirichletBlock(Coordinate & block)
{
assert(block.size()==Nd+1);
if ( block[0] || block[1] || block[2] || block[3] || block[4] ){
Dirichlet = 1;
Block = block;
Stencil.DirichletBlock(block);
StencilEven.DirichletBlock(block);
StencilOdd.DirichletBlock(block);
}
}
// Constructors
/*

11
Grid/qcd/action/fermion/implementation/WilsonFermion5DImplementation.h
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@ -60,7 +60,8 @@ WilsonFermion5D<Impl>::WilsonFermion5D(GaugeField &_Umu,
UmuOdd (_FourDimRedBlackGrid),
Lebesgue(_FourDimGrid),
LebesgueEvenOdd(_FourDimRedBlackGrid),
_tmp(&FiveDimRedBlackGrid)
_tmp(&FiveDimRedBlackGrid),
Dirichlet(0)
{
// some assertions
assert(FiveDimGrid._ndimension==5);
@ -218,6 +219,14 @@ void WilsonFermion5D<Impl>::ImportGauge(const GaugeField &_Umu)
{
GaugeField HUmu(_Umu.Grid());
HUmu = _Umu*(-0.5);
if ( Dirichlet ) {
std::cout << GridLogMessage << " Dirichlet BCs 5d " <<Block<<std::endl;
Coordinate GaugeBlock(Nd);
for(int d=0;d<Nd;d++) GaugeBlock[d] = Block[d+1];
std::cout << GridLogMessage << " Dirichlet BCs 4d " <<GaugeBlock<<std::endl;
DirichletFilter<GaugeField> Filter(GaugeBlock);
Filter.applyFilter(HUmu);
}
Impl::DoubleStore(GaugeGrid(),Umu,HUmu);
pickCheckerboard(Even,UmuEven,Umu);
pickCheckerboard(Odd ,UmuOdd,Umu);

71
Grid/qcd/action/filters/DirichletFilter.h Normal file
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@ -0,0 +1,71 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/hmc/integrators/DirichletFilter.h
Copyright (C) 2015
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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.
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 */
//--------------------------------------------------------------------
#pragma once
NAMESPACE_BEGIN(Grid);
template<typename MomentaField>
struct DirichletFilter: public MomentumFilterBase<MomentaField>
{
typedef typename MomentaField::vector_type vector_type; //SIMD-vectorized complex type
typedef typename MomentaField::scalar_type scalar_type; //scalar complex type
typedef iScalar<iScalar<iScalar<vector_type> > > ScalarType; //complex phase for each site
Coordinate Block;
DirichletFilter(const Coordinate &_Block): Block(_Block){}
void applyFilter(MomentaField &P) const override
{
GridBase *grid = P.Grid();
typedef decltype(PeekIndex<LorentzIndex>(P, 0)) LatCM;
////////////////////////////////////////////////////
// Zero strictly links crossing between domains
////////////////////////////////////////////////////
LatticeInteger coor(grid);
LatCM zz(grid); zz = Zero();
for(int mu=0;mu<Nd;mu++) {
if ( (Block[mu]) && (Block[mu] < grid->GlobalDimensions()[mu] ) ) {
// If costly could provide Grid earlier and precompute masks
std::cout << " Dirichlet in mu="<<mu<<std::endl;
LatticeCoordinate(coor,mu);
auto P_mu = PeekIndex<LorentzIndex>(P, mu);
P_mu = where(mod(coor,Block[mu])==Integer(Block[mu]-1),zz,P_mu);
PokeIndex<LorentzIndex>(P, P_mu, mu);
}
}
}
};
NAMESPACE_END(Grid);

94
Grid/qcd/action/filters/MomentumFilter.h Normal file
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@ -0,0 +1,94 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/hmc/integrators/MomentumFilter.h
Copyright (C) 2015
Author: Christopher Kelly <ckelly@bnl.gov>
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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.
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 */
//--------------------------------------------------------------------
#ifndef MOMENTUM_FILTER
#define MOMENTUM_FILTER
NAMESPACE_BEGIN(Grid);
//These filter objects allow the user to manipulate the conjugate momentum as part of the update / refresh
template<typename MomentaField>
struct MomentumFilterBase{
virtual void applyFilter(MomentaField &P) const;
};
//Do nothing
template<typename MomentaField>
struct MomentumFilterNone: public MomentumFilterBase<MomentaField>{
void applyFilter(MomentaField &P) const override{}
};
//Multiply each site/direction by a Lorentz vector complex number field
//Can be used to implement a mask, zeroing out sites
template<typename MomentaField>
struct MomentumFilterApplyPhase: public MomentumFilterBase<MomentaField>{
typedef typename MomentaField::vector_type vector_type; //SIMD-vectorized complex type
typedef typename MomentaField::scalar_type scalar_type; //scalar complex type
typedef iVector<iScalar<iScalar<vector_type> >, Nd > LorentzScalarType; //complex phase for each site/direction
typedef Lattice<LorentzScalarType> LatticeLorentzScalarType;
LatticeLorentzScalarType phase;
MomentumFilterApplyPhase(const LatticeLorentzScalarType _phase): phase(_phase){}
//Default to uniform field of (1,0)
MomentumFilterApplyPhase(GridBase* _grid): phase(_grid){
LorentzScalarType one;
for(int mu=0;mu<Nd;mu++)
one(mu)()() = scalar_type(1.);
phase = one;
}
void applyFilter(MomentaField &P) const override{
conformable(P,phase);
autoView( P_v , P, AcceleratorWrite);
autoView( phase_v , phase, AcceleratorRead);
accelerator_for(ss,P_v.size(),MomentaField::vector_type::Nsimd(),{
auto site_mom = P_v(ss);
auto site_phase = phase_v(ss);
for(int mu=0;mu<Nd;mu++)
site_mom(mu) = site_mom(mu) * site_phase(mu);
coalescedWrite(P_v[ss], site_mom);
});
}
};
NAMESPACE_END(Grid);
#endif