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remove namespace QCD from directory HMC

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This commit is contained in:
Nils Asmussen 2019-08-20 15:21:23 +01:00
parent ad01290545
commit 9210b0aa6e
4 changed files with 376 additions and 379 deletions
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17
HMC/Mobius2p1f.cc
View File

@ -31,7 +31,6 @@ directory
int main(int argc, char **argv) {
using namespace Grid;
using namespace Grid::QCD;
Grid_init(&argc, &argv);
int threads = GridThread::GetThreads();
@ -44,18 +43,18 @@ int main(int argc, char **argv) {
typedef typename FermionAction::FermionField FermionField;
typedef Grid::XmlReader Serialiser;
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
IntegratorParameters MD;
// typedef GenericHMCRunner<LeapFrog> HMCWrapper;
// typedef GenericHMCRunner<LeapFrog> HMCWrapper;
// MD.name = std::string("Leap Frog");
// typedef GenericHMCRunner<ForceGradient> HMCWrapper;
// typedef GenericHMCRunner<ForceGradient> HMCWrapper;
// MD.name = std::string("Force Gradient");
typedef GenericHMCRunner<MinimumNorm2> HMCWrapper;
typedef GenericHMCRunner<MinimumNorm2> HMCWrapper;
MD.name = std::string("MinimumNorm2");
MD.MDsteps = 20;
MD.trajL = 1.0;
HMCparameters HMCparams;
HMCparams.StartTrajectory = 0;
HMCparams.Trajectories = 200;
@ -67,7 +66,7 @@ int main(int argc, char **argv) {
// Grid from the command line arguments --grid and --mpi
TheHMC.Resources.AddFourDimGrid("gauge"); // use default simd lanes decomposition
CheckpointerParameters CPparams;
CPparams.config_prefix = "ckpoint_EODWF_lat";
CPparams.rng_prefix = "ckpoint_EODWF_rng";
@ -81,7 +80,7 @@ int main(int argc, char **argv) {
TheHMC.Resources.SetRNGSeeds(RNGpar);
// Construct observables
// here there is too much indirection
// here there is too much indirection
typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
TheHMC.Resources.AddObservable<PlaqObs>();
//////////////////////////////////////////////
@ -118,7 +117,7 @@ int main(int argc, char **argv) {
// These lines are unecessary if BC are all periodic
std::vector<Complex> boundary = {1,1,1,-1};
FermionAction::ImplParams Params(boundary);
double StoppingCondition = 1e-10;
double MaxCGIterations = 30000;
ConjugateGradient<FermionField> CG(StoppingCondition,MaxCGIterations);

373
HMC/Mobius2p1fEOFA.cc
View File

@ -2,7 +2,7 @@
Grid physics library, www.github.com/paboyle/Grid
Source file:
Source file:
Copyright (C) 2015-2016
@ -34,140 +34,139 @@ directory
#define MIXED_PRECISION
#endif
namespace Grid{
namespace QCD{
NAMESPACE_BEGIN(Grid);
/*
* Need a plan for gauge field update for mixed precision in HMC (2x speed up)
* -- Store the single prec action operator.
* -- Clone the gauge field from the operator function argument.
* -- Build the mixed precision operator dynamically from the passed operator and single prec clone.
*/
/*
* Need a plan for gauge field update for mixed precision in HMC (2x speed up)
* -- Store the single prec action operator.
* -- Clone the gauge field from the operator function argument.
* -- Build the mixed precision operator dynamically from the passed operator and single prec clone.
*/
template<class FermionOperatorD, class FermionOperatorF, class SchurOperatorD, class SchurOperatorF>
class MixedPrecisionConjugateGradientOperatorFunction : public OperatorFunction<typename FermionOperatorD::FermionField> {
public:
typedef typename FermionOperatorD::FermionField FieldD;
typedef typename FermionOperatorF::FermionField FieldF;
template<class FermionOperatorD, class FermionOperatorF, class SchurOperatorD, class SchurOperatorF>
class MixedPrecisionConjugateGradientOperatorFunction : public OperatorFunction<typename FermionOperatorD::FermionField> {
public:
typedef typename FermionOperatorD::FermionField FieldD;
typedef typename FermionOperatorF::FermionField FieldF;
using OperatorFunction<FieldD>::operator();
using OperatorFunction<FieldD>::operator();
RealD Tolerance;
RealD InnerTolerance; //Initial tolerance for inner CG. Defaults to Tolerance but can be changed
Integer MaxInnerIterations;
Integer MaxOuterIterations;
GridBase* SinglePrecGrid4; //Grid for single-precision fields
GridBase* SinglePrecGrid5; //Grid for single-precision fields
RealD OuterLoopNormMult; //Stop the outer loop and move to a final double prec solve when the residual is OuterLoopNormMult * Tolerance
RealD Tolerance;
RealD InnerTolerance; //Initial tolerance for inner CG. Defaults to Tolerance but can be changed
Integer MaxInnerIterations;
Integer MaxOuterIterations;
GridBase* SinglePrecGrid4; //Grid for single-precision fields
GridBase* SinglePrecGrid5; //Grid for single-precision fields
RealD OuterLoopNormMult; //Stop the outer loop and move to a final double prec solve when the residual is OuterLoopNormMult * Tolerance
FermionOperatorF &FermOpF;
FermionOperatorD &FermOpD;;
SchurOperatorF &LinOpF;
SchurOperatorD &LinOpD;
FermionOperatorF &FermOpF;
FermionOperatorD &FermOpD;;
SchurOperatorF &LinOpF;
SchurOperatorD &LinOpD;
Integer TotalInnerIterations; //Number of inner CG iterations
Integer TotalOuterIterations; //Number of restarts
Integer TotalFinalStepIterations; //Number of CG iterations in final patch-up step
Integer TotalInnerIterations; //Number of inner CG iterations
Integer TotalOuterIterations; //Number of restarts
Integer TotalFinalStepIterations; //Number of CG iterations in final patch-up step
MixedPrecisionConjugateGradientOperatorFunction(RealD tol,
Integer maxinnerit,
Integer maxouterit,
GridBase* _sp_grid4,
GridBase* _sp_grid5,
FermionOperatorF &_FermOpF,
FermionOperatorD &_FermOpD,
SchurOperatorF &_LinOpF,
SchurOperatorD &_LinOpD):
LinOpF(_LinOpF),
LinOpD(_LinOpD),
FermOpF(_FermOpF),
FermOpD(_FermOpD),
Tolerance(tol),
InnerTolerance(tol),
MaxInnerIterations(maxinnerit),
MaxOuterIterations(maxouterit),
SinglePrecGrid4(_sp_grid4),
SinglePrecGrid5(_sp_grid5),
OuterLoopNormMult(100.)
{
/* Debugging instances of objects; references are stored
std::cout << GridLogMessage << " Mixed precision CG wrapper LinOpF " <<std::hex<< &LinOpF<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper LinOpD " <<std::hex<< &LinOpD<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper FermOpF " <<std::hex<< &FermOpF<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper FermOpD " <<std::hex<< &FermOpD<<std::dec <<std::endl;
*/
};
void operator()(LinearOperatorBase<FieldD> &LinOpU, const FieldD &src, FieldD &psi) {
std::cout << GridLogMessage << " Mixed precision CG wrapper operator() "<<std::endl;
SchurOperatorD * SchurOpU = static_cast<SchurOperatorD *>(&LinOpU);
// std::cout << GridLogMessage << " Mixed precision CG wrapper operator() FermOpU " <<std::hex<< &(SchurOpU->_Mat)<<std::dec <<std::endl;
// std::cout << GridLogMessage << " Mixed precision CG wrapper operator() FermOpD " <<std::hex<< &(LinOpD._Mat) <<std::dec <<std::endl;
// Assumption made in code to extract gauge field
// We could avoid storing LinopD reference alltogether ?
assert(&(SchurOpU->_Mat)==&(LinOpD._Mat));
////////////////////////////////////////////////////////////////////////////////////
// Must snarf a single precision copy of the gauge field in Linop_d argument
////////////////////////////////////////////////////////////////////////////////////
typedef typename FermionOperatorF::GaugeField GaugeFieldF;
typedef typename FermionOperatorF::GaugeLinkField GaugeLinkFieldF;
typedef typename FermionOperatorD::GaugeField GaugeFieldD;
typedef typename FermionOperatorD::GaugeLinkField GaugeLinkFieldD;
GridBase * GridPtrF = SinglePrecGrid4;
GridBase * GridPtrD = FermOpD.Umu.Grid();
GaugeFieldF U_f (GridPtrF);
GaugeLinkFieldF Umu_f(GridPtrF);
// std::cout << " Dim gauge field "<<GridPtrF->Nd()<<std::endl; // 4d
// std::cout << " Dim gauge field "<<GridPtrD->Nd()<<std::endl; // 4d
////////////////////////////////////////////////////////////////////////////////////
// Moving this to a Clone method of fermion operator would allow to duplicate the
// physics parameters and decrease gauge field copies
////////////////////////////////////////////////////////////////////////////////////
GaugeLinkFieldD Umu_d(GridPtrD);
for(int mu=0;mu<Nd*2;mu++){
Umu_d = PeekIndex<LorentzIndex>(FermOpD.Umu, mu);
precisionChange(Umu_f,Umu_d);
PokeIndex<LorentzIndex>(FermOpF.Umu, Umu_f, mu);
}
pickCheckerboard(Even,FermOpF.UmuEven,FermOpF.Umu);
pickCheckerboard(Odd ,FermOpF.UmuOdd ,FermOpF.Umu);
////////////////////////////////////////////////////////////////////////////////////
// Could test to make sure that LinOpF and LinOpD agree to single prec?
////////////////////////////////////////////////////////////////////////////////////
/*
GridBase *Fgrid = psi._grid;
FieldD tmp2(Fgrid);
FieldD tmp1(Fgrid);
LinOpU.Op(src,tmp1);
LinOpD.Op(src,tmp2);
std::cout << " Double gauge field "<< norm2(FermOpD.Umu)<<std::endl;
std::cout << " Single gauge field "<< norm2(FermOpF.Umu)<<std::endl;
std::cout << " Test of operators "<<norm2(tmp1)<<std::endl;
std::cout << " Test of operators "<<norm2(tmp2)<<std::endl;
tmp1=tmp1-tmp2;
std::cout << " Test of operators diff "<<norm2(tmp1)<<std::endl;
*/
////////////////////////////////////////////////////////////////////////////////////
// Make a mixed precision conjugate gradient
////////////////////////////////////////////////////////////////////////////////////
MixedPrecisionConjugateGradient<FieldD,FieldF> MPCG(Tolerance,MaxInnerIterations,MaxOuterIterations,SinglePrecGrid5,LinOpF,LinOpD);
std::cout << GridLogMessage << "Calling mixed precision Conjugate Gradient" <<std::endl;
MPCG(src,psi);
}
MixedPrecisionConjugateGradientOperatorFunction(RealD tol,
Integer maxinnerit,
Integer maxouterit,
GridBase* _sp_grid4,
GridBase* _sp_grid5,
FermionOperatorF &_FermOpF,
FermionOperatorD &_FermOpD,
SchurOperatorF &_LinOpF,
SchurOperatorD &_LinOpD):
LinOpF(_LinOpF),
LinOpD(_LinOpD),
FermOpF(_FermOpF),
FermOpD(_FermOpD),
Tolerance(tol),
InnerTolerance(tol),
MaxInnerIterations(maxinnerit),
MaxOuterIterations(maxouterit),
SinglePrecGrid4(_sp_grid4),
SinglePrecGrid5(_sp_grid5),
OuterLoopNormMult(100.)
{
/* Debugging instances of objects; references are stored
std::cout << GridLogMessage << " Mixed precision CG wrapper LinOpF " <<std::hex<< &LinOpF<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper LinOpD " <<std::hex<< &LinOpD<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper FermOpF " <<std::hex<< &FermOpF<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper FermOpD " <<std::hex<< &FermOpD<<std::dec <<std::endl;
*/
};
}};
void operator()(LinearOperatorBase<FieldD> &LinOpU, const FieldD &src, FieldD &psi) {
std::cout << GridLogMessage << " Mixed precision CG wrapper operator() "<<std::endl;
SchurOperatorD * SchurOpU = static_cast<SchurOperatorD *>(&LinOpU);
// std::cout << GridLogMessage << " Mixed precision CG wrapper operator() FermOpU " <<std::hex<< &(SchurOpU->_Mat)<<std::dec <<std::endl;
// std::cout << GridLogMessage << " Mixed precision CG wrapper operator() FermOpD " <<std::hex<< &(LinOpD._Mat) <<std::dec <<std::endl;
// Assumption made in code to extract gauge field
// We could avoid storing LinopD reference alltogether ?
assert(&(SchurOpU->_Mat)==&(LinOpD._Mat));
////////////////////////////////////////////////////////////////////////////////////
// Must snarf a single precision copy of the gauge field in Linop_d argument
////////////////////////////////////////////////////////////////////////////////////
typedef typename FermionOperatorF::GaugeField GaugeFieldF;
typedef typename FermionOperatorF::GaugeLinkField GaugeLinkFieldF;
typedef typename FermionOperatorD::GaugeField GaugeFieldD;
typedef typename FermionOperatorD::GaugeLinkField GaugeLinkFieldD;
GridBase * GridPtrF = SinglePrecGrid4;
GridBase * GridPtrD = FermOpD.Umu.Grid();
GaugeFieldF U_f (GridPtrF);
GaugeLinkFieldF Umu_f(GridPtrF);
// std::cout << " Dim gauge field "<<GridPtrF->Nd()<<std::endl; // 4d
// std::cout << " Dim gauge field "<<GridPtrD->Nd()<<std::endl; // 4d
////////////////////////////////////////////////////////////////////////////////////
// Moving this to a Clone method of fermion operator would allow to duplicate the
// physics parameters and decrease gauge field copies
////////////////////////////////////////////////////////////////////////////////////
GaugeLinkFieldD Umu_d(GridPtrD);
for(int mu=0;mu<Nd*2;mu++){
Umu_d = PeekIndex<LorentzIndex>(FermOpD.Umu, mu);
precisionChange(Umu_f,Umu_d);
PokeIndex<LorentzIndex>(FermOpF.Umu, Umu_f, mu);
}
pickCheckerboard(Even,FermOpF.UmuEven,FermOpF.Umu);
pickCheckerboard(Odd ,FermOpF.UmuOdd ,FermOpF.Umu);
////////////////////////////////////////////////////////////////////////////////////
// Could test to make sure that LinOpF and LinOpD agree to single prec?
////////////////////////////////////////////////////////////////////////////////////
/*
GridBase *Fgrid = psi._grid;
FieldD tmp2(Fgrid);
FieldD tmp1(Fgrid);
LinOpU.Op(src,tmp1);
LinOpD.Op(src,tmp2);
std::cout << " Double gauge field "<< norm2(FermOpD.Umu)<<std::endl;
std::cout << " Single gauge field "<< norm2(FermOpF.Umu)<<std::endl;
std::cout << " Test of operators "<<norm2(tmp1)<<std::endl;
std::cout << " Test of operators "<<norm2(tmp2)<<std::endl;
tmp1=tmp1-tmp2;
std::cout << " Test of operators diff "<<norm2(tmp1)<<std::endl;
*/
////////////////////////////////////////////////////////////////////////////////////
// Make a mixed precision conjugate gradient
////////////////////////////////////////////////////////////////////////////////////
MixedPrecisionConjugateGradient<FieldD,FieldF> MPCG(Tolerance,MaxInnerIterations,MaxOuterIterations,SinglePrecGrid5,LinOpF,LinOpD);
std::cout << GridLogMessage << "Calling mixed precision Conjugate Gradient" <<std::endl;
MPCG(src,psi);
}
};
NAMESPACE_END(Grid);
int main(int argc, char **argv) {
using namespace Grid;
using namespace Grid::QCD;
Grid_init(&argc, &argv);
int threads = GridThread::GetThreads();
@ -184,18 +183,18 @@ int main(int argc, char **argv) {
typedef typename FermionActionF::FermionField FermionFieldF;
typedef Grid::XmlReader Serialiser;
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
IntegratorParameters MD;
// typedef GenericHMCRunner<LeapFrog> HMCWrapper;
// typedef GenericHMCRunner<LeapFrog> HMCWrapper;
// MD.name = std::string("Leap Frog");
typedef GenericHMCRunner<ForceGradient> HMCWrapper;
typedef GenericHMCRunner<ForceGradient> HMCWrapper;
MD.name = std::string("Force Gradient");
// typedef GenericHMCRunner<MinimumNorm2> HMCWrapper;
// typedef GenericHMCRunner<MinimumNorm2> HMCWrapper;
// MD.name = std::string("MinimumNorm2");
MD.MDsteps = 6;
MD.trajL = 1.0;
HMCparameters HMCparams;
HMCparams.StartTrajectory = 590;
HMCparams.Trajectories = 1000;
@ -208,7 +207,7 @@ int main(int argc, char **argv) {
// Grid from the command line arguments --grid and --mpi
TheHMC.Resources.AddFourDimGrid("gauge"); // use default simd lanes decomposition
CheckpointerParameters CPparams;
CPparams.config_prefix = "ckpoint_EODWF_lat";
CPparams.rng_prefix = "ckpoint_EODWF_rng";
@ -222,7 +221,7 @@ int main(int argc, char **argv) {
TheHMC.Resources.SetRNGSeeds(RNGpar);
// Construct observables
// here there is too much indirection
// here there is too much indirection
typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
TheHMC.Resources.AddObservable<PlaqObs>();
//////////////////////////////////////////////
@ -233,7 +232,7 @@ int main(int argc, char **argv) {
Real strange_mass = 0.04;
Real pv_mass = 1.0;
RealD M5 = 1.8;
RealD b = 1.0;
RealD b = 1.0;
RealD c = 0.0;
std::vector<Real> hasenbusch({ 0.1, 0.3, 0.6 });
@ -262,7 +261,7 @@ int main(int argc, char **argv) {
std::vector<Complex> boundary = {1,1,1,-1};
FermionAction::ImplParams Params(boundary);
FermionActionF::ImplParams ParamsF(boundary);
double ActionStoppingCondition = 1e-10;
double DerivativeStoppingCondition = 1e-6;
double MaxCGIterations = 30000;
@ -293,7 +292,7 @@ int main(int argc, char **argv) {
OFRp.degree = 14;
OFRp.precision= 50;
MobiusEOFAFermionR Strange_Op_L (U , *FGrid , *FrbGrid , *GridPtr , *GridRBPtr , strange_mass, strange_mass, pv_mass, 0.0, -1, M5, b, c);
MobiusEOFAFermionF Strange_Op_LF(UF, *FGridF, *FrbGridF, *GridPtrF, *GridRBPtrF, strange_mass, strange_mass, pv_mass, 0.0, -1, M5, b, c);
MobiusEOFAFermionR Strange_Op_R (U , *FGrid , *FrbGrid , *GridPtr , *GridRBPtr , pv_mass, strange_mass, pv_mass, -1.0, 1, M5, b, c);
@ -310,50 +309,50 @@ int main(int argc, char **argv) {
LinearOperatorEOFAF Strange_LinOp_RF(Strange_Op_RF);
MxPCG_EOFA ActionCGL(ActionStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_LF,Strange_Op_L,
Strange_LinOp_LF,Strange_LinOp_L);
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_LF,Strange_Op_L,
Strange_LinOp_LF,Strange_LinOp_L);
MxPCG_EOFA DerivativeCGL(DerivativeStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_LF,Strange_Op_L,
Strange_LinOp_LF,Strange_LinOp_L);
MxPCG_EOFA ActionCGR(ActionStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_RF,Strange_Op_R,
Strange_LinOp_RF,Strange_LinOp_R);
MxPCG_EOFA DerivativeCGR(DerivativeStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_RF,Strange_Op_R,
Strange_LinOp_RF,Strange_LinOp_R);
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_LF,Strange_Op_L,
Strange_LinOp_LF,Strange_LinOp_L);
ExactOneFlavourRatioPseudoFermionAction<FermionImplPolicy>
EOFA(Strange_Op_L, Strange_Op_R,
ActionCG,
ActionCGL, ActionCGR,
DerivativeCGL, DerivativeCGR,
OFRp, true);
MxPCG_EOFA ActionCGR(ActionStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_RF,Strange_Op_R,
Strange_LinOp_RF,Strange_LinOp_R);
MxPCG_EOFA DerivativeCGR(DerivativeStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_RF,Strange_Op_R,
Strange_LinOp_RF,Strange_LinOp_R);
ExactOneFlavourRatioPseudoFermionAction<FermionImplPolicy>
EOFA(Strange_Op_L, Strange_Op_R,
ActionCG,
ActionCGL, ActionCGR,
DerivativeCGL, DerivativeCGR,
OFRp, true);
#else
ExactOneFlavourRatioPseudoFermionAction<FermionImplPolicy>
EOFA(Strange_Op_L, Strange_Op_R,
ActionCG,
ActionCG, ActionCG,
DerivativeCG, DerivativeCG,
OFRp, true);
ExactOneFlavourRatioPseudoFermionAction<FermionImplPolicy>
EOFA(Strange_Op_L, Strange_Op_R,
ActionCG,
ActionCG, ActionCG,
DerivativeCG, DerivativeCG,
OFRp, true);
#endif
Level1.push_back(&EOFA);
@ -384,7 +383,7 @@ int main(int argc, char **argv) {
std::vector<MxPCG *> MPCG;
std::vector<FermionActionF *> DenominatorsF;
std::vector<LinearOperatorD *> LinOpD;
std::vector<LinearOperatorF *> LinOpF;
std::vector<LinearOperatorF *> LinOpF;
for(int h=0;h<n_hasenbusch+1;h++){
@ -403,20 +402,20 @@ int main(int argc, char **argv) {
LinOpF.push_back(new LinearOperatorF(*DenominatorsF[h]));
MPCG.push_back(new MxPCG(DerivativeStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
*DenominatorsF[h],*Denominators[h],
*LinOpF[h], *LinOpD[h]) );
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
*DenominatorsF[h],*Denominators[h],
*LinOpF[h], *LinOpD[h]) );
ActionMPCG.push_back(new MxPCG(ActionStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
*DenominatorsF[h],*Denominators[h],
*LinOpF[h], *LinOpD[h]) );
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
*DenominatorsF[h],*Denominators[h],
*LinOpF[h], *LinOpD[h]) );
// Heatbath not mixed yet. As inverts numerators not so important as raised mass.
Quotients.push_back (new TwoFlavourEvenOddRatioPseudoFermionAction<FermionImplPolicy>(*Numerators[h],*Denominators[h],*MPCG[h],*ActionMPCG[h],ActionCG));

342
HMC/Mobius2p1fEOFA_F1.cc
View File

@ -2,7 +2,7 @@
Grid physics library, www.github.com/paboyle/Grid
Source file:
Source file:
Copyright (C) 2015-2016
@ -34,123 +34,123 @@ directory
#define MIXED_PRECISION
#endif
namespace Grid{
namespace QCD{
NAMESPACE_BEGIN(Grid);
/*
* Need a plan for gauge field update for mixed precision in HMC (2x speed up)
* -- Store the single prec action operator.
* -- Clone the gauge field from the operator function argument.
* -- Build the mixed precision operator dynamically from the passed operator and single prec clone.
*/
/*
* Need a plan for gauge field update for mixed precision in HMC (2x speed up)
* -- Store the single prec action operator.
* -- Clone the gauge field from the operator function argument.
* -- Build the mixed precision operator dynamically from the passed operator and single prec clone.
*/
template<class FermionOperatorD, class FermionOperatorF, class SchurOperatorD, class SchurOperatorF>
class MixedPrecisionConjugateGradientOperatorFunction : public OperatorFunction<typename FermionOperatorD::FermionField> {
public:
typedef typename FermionOperatorD::FermionField FieldD;
typedef typename FermionOperatorF::FermionField FieldF;
template<class FermionOperatorD, class FermionOperatorF, class SchurOperatorD, class SchurOperatorF>
class MixedPrecisionConjugateGradientOperatorFunction : public OperatorFunction<typename FermionOperatorD::FermionField> {
public:
typedef typename FermionOperatorD::FermionField FieldD;
typedef typename FermionOperatorF::FermionField FieldF;
using OperatorFunction<FieldD>::operator();
using OperatorFunction<FieldD>::operator();
RealD Tolerance;
RealD InnerTolerance; //Initial tolerance for inner CG. Defaults to Tolerance but can be changed
Integer MaxInnerIterations;
Integer MaxOuterIterations;
GridBase* SinglePrecGrid4; //Grid for single-precision fields
GridBase* SinglePrecGrid5; //Grid for single-precision fields
RealD OuterLoopNormMult; //Stop the outer loop and move to a final double prec solve when the residual is OuterLoopNormMult * Tolerance
RealD Tolerance;
RealD InnerTolerance; //Initial tolerance for inner CG. Defaults to Tolerance but can be changed
Integer MaxInnerIterations;
Integer MaxOuterIterations;
GridBase* SinglePrecGrid4; //Grid for single-precision fields
GridBase* SinglePrecGrid5; //Grid for single-precision fields
RealD OuterLoopNormMult; //Stop the outer loop and move to a final double prec solve when the residual is OuterLoopNormMult * Tolerance
FermionOperatorF &FermOpF;
FermionOperatorD &FermOpD;;
SchurOperatorF &LinOpF;
SchurOperatorD &LinOpD;
FermionOperatorF &FermOpF;
FermionOperatorD &FermOpD;;
SchurOperatorF &LinOpF;
SchurOperatorD &LinOpD;
Integer TotalInnerIterations; //Number of inner CG iterations
Integer TotalOuterIterations; //Number of restarts
Integer TotalFinalStepIterations; //Number of CG iterations in final patch-up step
Integer TotalInnerIterations; //Number of inner CG iterations
Integer TotalOuterIterations; //Number of restarts
Integer TotalFinalStepIterations; //Number of CG iterations in final patch-up step
MixedPrecisionConjugateGradientOperatorFunction(RealD tol,
Integer maxinnerit,
Integer maxouterit,
GridBase* _sp_grid4,
GridBase* _sp_grid5,
FermionOperatorF &_FermOpF,
FermionOperatorD &_FermOpD,
SchurOperatorF &_LinOpF,
SchurOperatorD &_LinOpD):
LinOpF(_LinOpF),
LinOpD(_LinOpD),
FermOpF(_FermOpF),
FermOpD(_FermOpD),
Tolerance(tol),
InnerTolerance(tol),
MaxInnerIterations(maxinnerit),
MaxOuterIterations(maxouterit),
SinglePrecGrid4(_sp_grid4),
SinglePrecGrid5(_sp_grid5),
OuterLoopNormMult(100.)
{
/* Debugging instances of objects; references are stored
std::cout << GridLogMessage << " Mixed precision CG wrapper LinOpF " <<std::hex<< &LinOpF<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper LinOpD " <<std::hex<< &LinOpD<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper FermOpF " <<std::hex<< &FermOpF<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper FermOpD " <<std::hex<< &FermOpD<<std::dec <<std::endl;
*/
};
void operator()(LinearOperatorBase<FieldD> &LinOpU, const FieldD &src, FieldD &psi) {
std::cout << GridLogMessage << " Mixed precision CG wrapper operator() "<<std::endl;
SchurOperatorD * SchurOpU = static_cast<SchurOperatorD *>(&LinOpU);
// std::cout << GridLogMessage << " Mixed precision CG wrapper operator() FermOpU " <<std::hex<< &(SchurOpU->_Mat)<<std::dec <<std::endl;
// std::cout << GridLogMessage << " Mixed precision CG wrapper operator() FermOpD " <<std::hex<< &(LinOpD._Mat) <<std::dec <<std::endl;
// Assumption made in code to extract gauge field
// We could avoid storing LinopD reference alltogether ?
assert(&(SchurOpU->_Mat)==&(LinOpD._Mat));
////////////////////////////////////////////////////////////////////////////////////
// Must snarf a single precision copy of the gauge field in Linop_d argument
////////////////////////////////////////////////////////////////////////////////////
typedef typename FermionOperatorF::GaugeField GaugeFieldF;
typedef typename FermionOperatorF::GaugeLinkField GaugeLinkFieldF;
typedef typename FermionOperatorD::GaugeField GaugeFieldD;
typedef typename FermionOperatorD::GaugeLinkField GaugeLinkFieldD;
GridBase * GridPtrF = SinglePrecGrid4;
GridBase * GridPtrD = FermOpD.Umu.Grid();
GaugeFieldF U_f (GridPtrF);
GaugeLinkFieldF Umu_f(GridPtrF);
// std::cout << " Dim gauge field "<<GridPtrF->Nd()<<std::endl; // 4d
// std::cout << " Dim gauge field "<<GridPtrD->Nd()<<std::endl; // 4d
////////////////////////////////////////////////////////////////////////////////////
// Moving this to a Clone method of fermion operator would allow to duplicate the
// physics parameters and decrease gauge field copies
////////////////////////////////////////////////////////////////////////////////////
GaugeLinkFieldD Umu_d(GridPtrD);
for(int mu=0;mu<Nd*2;mu++){
Umu_d = PeekIndex<LorentzIndex>(FermOpD.Umu, mu);
precisionChange(Umu_f,Umu_d);
PokeIndex<LorentzIndex>(FermOpF.Umu, Umu_f, mu);
}
pickCheckerboard(Even,FermOpF.UmuEven,FermOpF.Umu);
pickCheckerboard(Odd ,FermOpF.UmuOdd ,FermOpF.Umu);
////////////////////////////////////////////////////////////////////////////////////
// Make a mixed precision conjugate gradient
////////////////////////////////////////////////////////////////////////////////////
MixedPrecisionConjugateGradient<FieldD,FieldF> MPCG(Tolerance,MaxInnerIterations,MaxOuterIterations,SinglePrecGrid5,LinOpF,LinOpD);
std::cout << GridLogMessage << "Calling mixed precision Conjugate Gradient" <<std::endl;
MPCG(src,psi);
}
MixedPrecisionConjugateGradientOperatorFunction(RealD tol,
Integer maxinnerit,
Integer maxouterit,
GridBase* _sp_grid4,
GridBase* _sp_grid5,
FermionOperatorF &_FermOpF,
FermionOperatorD &_FermOpD,
SchurOperatorF &_LinOpF,
SchurOperatorD &_LinOpD):
LinOpF(_LinOpF),
LinOpD(_LinOpD),
FermOpF(_FermOpF),
FermOpD(_FermOpD),
Tolerance(tol),
InnerTolerance(tol),
MaxInnerIterations(maxinnerit),
MaxOuterIterations(maxouterit),
SinglePrecGrid4(_sp_grid4),
SinglePrecGrid5(_sp_grid5),
OuterLoopNormMult(100.)
{
/* Debugging instances of objects; references are stored
std::cout << GridLogMessage << " Mixed precision CG wrapper LinOpF " <<std::hex<< &LinOpF<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper LinOpD " <<std::hex<< &LinOpD<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper FermOpF " <<std::hex<< &FermOpF<<std::dec <<std::endl;
std::cout << GridLogMessage << " Mixed precision CG wrapper FermOpD " <<std::hex<< &FermOpD<<std::dec <<std::endl;
*/
};
}};
void operator()(LinearOperatorBase<FieldD> &LinOpU, const FieldD &src, FieldD &psi) {
std::cout << GridLogMessage << " Mixed precision CG wrapper operator() "<<std::endl;
SchurOperatorD * SchurOpU = static_cast<SchurOperatorD *>(&LinOpU);
// std::cout << GridLogMessage << " Mixed precision CG wrapper operator() FermOpU " <<std::hex<< &(SchurOpU->_Mat)<<std::dec <<std::endl;
// std::cout << GridLogMessage << " Mixed precision CG wrapper operator() FermOpD " <<std::hex<< &(LinOpD._Mat) <<std::dec <<std::endl;
// Assumption made in code to extract gauge field
// We could avoid storing LinopD reference alltogether ?
assert(&(SchurOpU->_Mat)==&(LinOpD._Mat));
////////////////////////////////////////////////////////////////////////////////////
// Must snarf a single precision copy of the gauge field in Linop_d argument
////////////////////////////////////////////////////////////////////////////////////
typedef typename FermionOperatorF::GaugeField GaugeFieldF;
typedef typename FermionOperatorF::GaugeLinkField GaugeLinkFieldF;
typedef typename FermionOperatorD::GaugeField GaugeFieldD;
typedef typename FermionOperatorD::GaugeLinkField GaugeLinkFieldD;
GridBase * GridPtrF = SinglePrecGrid4;
GridBase * GridPtrD = FermOpD.Umu.Grid();
GaugeFieldF U_f (GridPtrF);
GaugeLinkFieldF Umu_f(GridPtrF);
// std::cout << " Dim gauge field "<<GridPtrF->Nd()<<std::endl; // 4d
// std::cout << " Dim gauge field "<<GridPtrD->Nd()<<std::endl; // 4d
////////////////////////////////////////////////////////////////////////////////////
// Moving this to a Clone method of fermion operator would allow to duplicate the
// physics parameters and decrease gauge field copies
////////////////////////////////////////////////////////////////////////////////////
GaugeLinkFieldD Umu_d(GridPtrD);
for(int mu=0;mu<Nd*2;mu++){
Umu_d = PeekIndex<LorentzIndex>(FermOpD.Umu, mu);
precisionChange(Umu_f,Umu_d);
PokeIndex<LorentzIndex>(FermOpF.Umu, Umu_f, mu);
}
pickCheckerboard(Even,FermOpF.UmuEven,FermOpF.Umu);
pickCheckerboard(Odd ,FermOpF.UmuOdd ,FermOpF.Umu);
////////////////////////////////////////////////////////////////////////////////////
// Make a mixed precision conjugate gradient
////////////////////////////////////////////////////////////////////////////////////
MixedPrecisionConjugateGradient<FieldD,FieldF> MPCG(Tolerance,MaxInnerIterations,MaxOuterIterations,SinglePrecGrid5,LinOpF,LinOpD);
std::cout << GridLogMessage << "Calling mixed precision Conjugate Gradient" <<std::endl;
MPCG(src,psi);
}
};
NAMESPACE_END(Grid);
int main(int argc, char **argv) {
using namespace Grid;
using namespace Grid::QCD;
Grid_init(&argc, &argv);
int threads = GridThread::GetThreads();
@ -167,12 +167,12 @@ int main(int argc, char **argv) {
typedef typename FermionActionF::FermionField FermionFieldF;
typedef Grid::XmlReader Serialiser;
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
// typedef GenericHMCRunner<LeapFrog> HMCWrapper;
// typedef GenericHMCRunner<MinimumNorm2> HMCWrapper;
typedef GenericHMCRunner<ForceGradient> HMCWrapper;
// typedef GenericHMCRunner<LeapFrog> HMCWrapper;
// typedef GenericHMCRunner<MinimumNorm2> HMCWrapper;
typedef GenericHMCRunner<ForceGradient> HMCWrapper;
HMCparameters HMCparams;
{
@ -184,7 +184,7 @@ int main(int argc, char **argv) {
// Grid from the command line arguments --grid and --mpi
TheHMC.Resources.AddFourDimGrid("gauge"); // use default simd lanes decomposition
CheckpointerParameters CPparams;
CPparams.config_prefix = "ckpoint_EODWF_lat";
CPparams.rng_prefix = "ckpoint_EODWF_rng";
@ -198,7 +198,7 @@ int main(int argc, char **argv) {
TheHMC.Resources.SetRNGSeeds(RNGpar);
// Construct observables
// here there is too much indirection
// here there is too much indirection
typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
TheHMC.Resources.AddObservable<PlaqObs>();
//////////////////////////////////////////////
@ -209,7 +209,7 @@ int main(int argc, char **argv) {
Real strange_mass = 0.02144;
Real pv_mass = 1.0;
RealD M5 = 1.8;
RealD b = 1.5;
RealD b = 1.5;
RealD c = 0.5;
// Copied from paper
@ -222,7 +222,7 @@ int main(int argc, char **argv) {
///////////////////////////////////////////////////////////////////////////////////////////////
//Bad choices with large dH. Equalising force L2 norm was not wise.
///////////////////////////////////////////////////////////////////////////////////////////////
//std::vector<Real> hasenbusch({ 0.03, 0.2, 0.3, 0.5, 0.8 });
//std::vector<Real> hasenbusch({ 0.03, 0.2, 0.3, 0.5, 0.8 });
//std::vector<Real> hasenbusch({ 0.05, 0.2, 0.4, 0.6, 0.8 });
auto GridPtr = TheHMC.Resources.GetCartesian();
@ -249,7 +249,7 @@ int main(int argc, char **argv) {
std::vector<Complex> boundary = {1,1,1,-1};
FermionAction::ImplParams Params(boundary);
FermionActionF::ImplParams ParamsF(boundary);
double ActionStoppingCondition = 1e-10;
double DerivativeStoppingCondition = 1e-7;
double MaxCGIterations = 30000;
@ -280,7 +280,7 @@ int main(int argc, char **argv) {
OFRp.degree = 12;
OFRp.precision= 50;
MobiusEOFAFermionR Strange_Op_L (U , *FGrid , *FrbGrid , *GridPtr , *GridRBPtr , strange_mass, strange_mass, pv_mass, 0.0, -1, M5, b, c);
MobiusEOFAFermionF Strange_Op_LF(UF, *FGridF, *FrbGridF, *GridPtrF, *GridRBPtrF, strange_mass, strange_mass, pv_mass, 0.0, -1, M5, b, c);
MobiusEOFAFermionR Strange_Op_R (U , *FGrid , *FrbGrid , *GridPtr , *GridRBPtr , pv_mass, strange_mass, pv_mass, -1.0, 1, M5, b, c);
@ -298,51 +298,51 @@ int main(int argc, char **argv) {
LinearOperatorEOFAF Strange_LinOp_RF(Strange_Op_RF);
MxPCG_EOFA ActionCGL(ActionStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_LF,Strange_Op_L,
Strange_LinOp_LF,Strange_LinOp_L);
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_LF,Strange_Op_L,
Strange_LinOp_LF,Strange_LinOp_L);
MxPCG_EOFA DerivativeCGL(DerivativeStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_LF,Strange_Op_L,
Strange_LinOp_LF,Strange_LinOp_L);
MxPCG_EOFA ActionCGR(ActionStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_RF,Strange_Op_R,
Strange_LinOp_RF,Strange_LinOp_R);
MxPCG_EOFA DerivativeCGR(DerivativeStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_RF,Strange_Op_R,
Strange_LinOp_RF,Strange_LinOp_R);
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_LF,Strange_Op_L,
Strange_LinOp_LF,Strange_LinOp_L);
ExactOneFlavourRatioPseudoFermionAction<FermionImplPolicy>
EOFA(Strange_Op_L, Strange_Op_R,
ActionCG,
ActionCGL, ActionCGR,
DerivativeCGL, DerivativeCGR,
OFRp, true);
MxPCG_EOFA ActionCGR(ActionStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_RF,Strange_Op_R,
Strange_LinOp_RF,Strange_LinOp_R);
MxPCG_EOFA DerivativeCGR(DerivativeStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
Strange_Op_RF,Strange_Op_R,
Strange_LinOp_RF,Strange_LinOp_R);
ExactOneFlavourRatioPseudoFermionAction<FermionImplPolicy>
EOFA(Strange_Op_L, Strange_Op_R,
ActionCG,
ActionCGL, ActionCGR,
DerivativeCGL, DerivativeCGR,
OFRp, true);
#else
ExactOneFlavourRatioPseudoFermionAction<FermionImplPolicy>
EOFA(Strange_Op_L, Strange_Op_R,
ActionCG,
ActionCG, ActionCG,
ActionCG, ActionCG,
// DerivativeCG, DerivativeCG,
OFRp, true);
ExactOneFlavourRatioPseudoFermionAction<FermionImplPolicy>
EOFA(Strange_Op_L, Strange_Op_R,
ActionCG,
ActionCG, ActionCG,
ActionCG, ActionCG,
// DerivativeCG, DerivativeCG,
OFRp, true);
#endif
Level1.push_back(&EOFA);
@ -373,7 +373,7 @@ int main(int argc, char **argv) {
std::vector<MxPCG *> MPCG;
std::vector<FermionActionF *> DenominatorsF;
std::vector<LinearOperatorD *> LinOpD;
std::vector<LinearOperatorF *> LinOpF;
std::vector<LinearOperatorF *> LinOpF;
for(int h=0;h<n_hasenbusch+1;h++){
@ -395,20 +395,20 @@ int main(int argc, char **argv) {
double conv = DerivativeStoppingCondition;
if (h<3) conv= DerivativeStoppingConditionLoose; // Relax on first two hasenbusch factors
MPCG.push_back(new MxPCG(conv,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
*DenominatorsF[h],*Denominators[h],
*LinOpF[h], *LinOpD[h]) );
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
*DenominatorsF[h],*Denominators[h],
*LinOpF[h], *LinOpD[h]) );
ActionMPCG.push_back(new MxPCG(ActionStoppingCondition,
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
*DenominatorsF[h],*Denominators[h],
*LinOpF[h], *LinOpD[h]) );
MX_inner,
MaxCGIterations,
GridPtrF,
FrbGridF,
*DenominatorsF[h],*Denominators[h],
*LinOpF[h], *LinOpD[h]) );
// Heatbath not mixed yet. As inverts numerators not so important as raised mass.
Quotients.push_back (new TwoFlavourEvenOddRatioPseudoFermionAction<FermionImplPolicy>(*Numerators[h],*Denominators[h],*MPCG[h],*ActionMPCG[h],ActionCG));

23
HMC/Mobius2p1fRHMC.cc
View File

@ -31,7 +31,6 @@ directory
int main(int argc, char **argv) {
using namespace Grid;
using namespace Grid::QCD;
Grid_init(&argc, &argv);
int threads = GridThread::GetThreads();
@ -44,18 +43,18 @@ int main(int argc, char **argv) {
typedef typename FermionAction::FermionField FermionField;
typedef Grid::XmlReader Serialiser;
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
IntegratorParameters MD;
// typedef GenericHMCRunner<LeapFrog> HMCWrapper;
// typedef GenericHMCRunner<LeapFrog> HMCWrapper;
// MD.name = std::string("Leap Frog");
// typedef GenericHMCRunner<ForceGradient> HMCWrapper;
// typedef GenericHMCRunner<ForceGradient> HMCWrapper;
// MD.name = std::string("Force Gradient");
typedef GenericHMCRunner<MinimumNorm2> HMCWrapper;
typedef GenericHMCRunner<MinimumNorm2> HMCWrapper;
MD.name = std::string("MinimumNorm2");
MD.MDsteps = 20;
MD.trajL = 1.0;
HMCparameters HMCparams;
HMCparams.StartTrajectory = 30;
HMCparams.Trajectories = 200;
@ -68,7 +67,7 @@ int main(int argc, char **argv) {
// Grid from the command line arguments --grid and --mpi
TheHMC.Resources.AddFourDimGrid("gauge"); // use default simd lanes decomposition
CheckpointerParameters CPparams;
CPparams.config_prefix = "ckpoint_EODWF_lat";
CPparams.rng_prefix = "ckpoint_EODWF_rng";
@ -82,7 +81,7 @@ int main(int argc, char **argv) {
TheHMC.Resources.SetRNGSeeds(RNGpar);
// Construct observables
// here there is too much indirection
// here there is too much indirection
typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
TheHMC.Resources.AddObservable<PlaqObs>();
//////////////////////////////////////////////
@ -93,11 +92,11 @@ int main(int argc, char **argv) {
Real strange_mass = 0.04;
Real pv_mass = 1.0;
RealD M5 = 1.8;
RealD b = 1.0;
RealD b = 1.0;
RealD c = 0.0;
// FIXME:
// Same in MC and MD
// Same in MC and MD
// Need to mix precision too
OneFlavourRationalParams OFRp;
OFRp.lo = 4.0e-3;
@ -122,7 +121,7 @@ int main(int argc, char **argv) {
// These lines are unecessary if BC are all periodic
std::vector<Complex> boundary = {1,1,1,-1};
FermionAction::ImplParams Params(boundary);
double StoppingCondition = 1e-10;
double MaxCGIterations = 30000;
ConjugateGradient<FermionField> CG(StoppingCondition,MaxCGIterations);