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Gauge RMHMC conserving dH

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This commit is contained in:
Chulwoo Jung 2023-11-21 13:48:51 -05:00
parent 515ff6bf62
commit dc36d272ce
7 changed files with 41 additions and 12 deletions
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2
Grid/qcd/action/gauge/GaugeImplTypes.h
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@ -32,7 +32,7 @@ directory
NAMESPACE_BEGIN(Grid);
#define CPS_MD_TIME
#undef CPS_MD_TIME
#ifdef CPS_MD_TIME
#define HMC_MOMENTUM_DENOMINATOR (2.0)

2
Grid/qcd/action/gauge/WilsonGaugeAction.h
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@ -73,7 +73,7 @@ public:
////////// boundary phase /////////////
auto pha = Params.boundary_phases[mu];
scalar_type phase( real(pha),imag(pha) );
std::cout<< GridLogMessage << "[WilsonGaugeAction] boundary "<<mu<<" "<<phase<< std::endl;
std::cout<< GridLogIterative << "[WilsonGaugeAction] boundary "<<mu<<" "<<phase<< std::endl;
int L = GaugeGrid->GlobalDimensions()[mu];
int Lmu = L - 1;

2
Grid/qcd/action/scalar/ScalarImpl.h
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@ -1,6 +1,6 @@
#pragma once
#define CPS_MD_TIME
#undef CPS_MD_TIME
#ifdef CPS_MD_TIME
#define HMC_MOMENTUM_DENOMINATOR (2.0)

2
Grid/qcd/hmc/HMC.h
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@ -209,7 +209,7 @@ private:
// updated state action
//////////////////////////////////////////////////////////////////////////////////////////////////////
std::cout << GridLogMessage << "--------------------------------------------------\n";
std::cout << GridLogMessage << "Compute final action";
std::cout << GridLogMessage << "Compute final action" <<std::endl;
RealD H1 = TheIntegrator.S(U);
std::cout << GridLogMessage << "--------------------------------------------------\n";

40
Grid/qcd/hmc/integrators/Integrator.h
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@ -91,6 +91,8 @@ public:
RepresentationPolicy Representations;
IntegratorParameters Params;
RealD Saux,Smom,Sg;
//Filters allow the user to manipulate the conjugate momentum, for example to freeze links in DDHMC
//It is applied whenever the momentum is updated / refreshed
//The default filter does nothing
@ -384,7 +386,8 @@ public:
P(grid, M),
levels(Aset.size()),
Smearer(Sm),
Representations(grid)
Representations(grid),
Saux(0.),Smom(0.),Sg(0.)
{
t_P.resize(levels, 0.0);
t_U = 0.0;
@ -524,7 +527,10 @@ public:
std::cout << GridLogIntegrator << "Integrator refresh" << std::endl;
std::cout << GridLogIntegrator << "Generating momentum" << std::endl;
FieldImplementation::generate_momenta(P.Mom, sRNG, pRNG);
// FieldImplementation::generate_momenta(P.Mom, sRNG, pRNG);
P.M.ImportGauge(U);
P.MomentaDistribution(sRNG,pRNG);
// Update the smeared fields, can be implemented as observer
// necessary to keep the fields updated even after a reject
@ -579,9 +585,22 @@ public:
std::cout << GridLogIntegrator << "Integrator action\n";
RealD H = - FieldImplementation::FieldSquareNorm(P.Mom)/HMC_MOMENTUM_DENOMINATOR; // - trace (P*P)/denom
// RealD H = - FieldImplementation::FieldSquareNorm(P.Mom)/HMC_MOMENTUM_DENOMINATOR; // - trace (P*P)/denom
// RealD Hterm;
// static RealD Saux=0.,Smom=0.,Sg=0.;
RealD H = - FieldImplementation::FieldSquareNorm(P.Mom)/HMC_MOMENTUM_DENOMINATOR; // - trace (P*P)/denom
std::cout << GridLogMessage << "S:FieldSquareNorm H_p = " << H << "\n";
std::cout << GridLogMessage << "S:dSField = " << H-Smom << "\n";
Smom=H;
P.M.ImportGauge(U);
RealD Hterm = - P.MomentaAction();
std::cout << GridLogMessage << "S:Momentum action H_p = " << Hterm << "\n";
std::cout << GridLogMessage << "S:dSMom = " << Hterm-Saux << "\n";
Saux=Hterm;
H = Hterm;
RealD Hterm;
// Actions
for (int level = 0; level < as.size(); ++level) {
@ -623,9 +642,18 @@ public:
std::cout << GridLogIntegrator << "Integrator initial action\n";
// RealD H = - FieldImplementation::FieldSquareNorm(P.Mom)/HMC_MOMENTUM_DENOMINATOR; // - trace (P*P)/denom
// RealD Hterm;
RealD H = - FieldImplementation::FieldSquareNorm(P.Mom)/HMC_MOMENTUM_DENOMINATOR; // - trace (P*P)/denom
RealD Hterm;
std::cout << GridLogMessage << "S:FieldSquareNorm H_p = " << H << "\n";
std::cout << GridLogMessage << "S:dSField = " << H-Smom << "\n";
Smom=H;
P.M.ImportGauge(U);
RealD Hterm = - P.MomentaAction();
std::cout << GridLogMessage << "S:Momentum action H_p = " << Hterm << "\n";
std::cout << GridLogMessage << "S:dSMom = " << Hterm-Saux << "\n";
Saux=Hterm;
H = Hterm;
// Actions
for (int level = 0; level < as.size(); ++level) {

3
Grid/qcd/utils/Metric.h
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@ -232,7 +232,8 @@ public:
}
void update_auxiliary_momenta(RealD ep){
// if(!M.Trivial())
std::cout << GridLogIntegrator << "AuxMom update_auxiliary_fields: " << std::sqrt(norm2(AuxMom)) << std::endl;
std::cout << GridLogIntegrator << "AuxField update_auxiliary_fields: " << std::sqrt(norm2(AuxField)) << std::endl;
{
AuxMom -= ep * AuxField * HMC_MOMENTUM_DENOMINATOR;
std::cout << GridLogIntegrator << "AuxMom update_auxiliary_fields: " << std::sqrt(norm2(AuxMom)) << std::endl;

2
HMC/Mobius2p1p1fEOFA_4Gev.cc
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@ -299,7 +299,7 @@ int main(int argc, char **argv) {
double ActionStoppingCondition = 1e-8;
double DerivativeStoppingCondition = 1e-6;
double MaxCGIterations = 30000;
double MaxCGIterations = 100000;
////////////////////////////////////
// Collect actions