From 873f039c7204d4ad54ae58e1503d37a3f0542e33 Mon Sep 17 00:00:00 2001 From: Chulwoo Jung Date: Thu, 23 Jul 2020 14:45:47 -0400 Subject: [PATCH] Test_hmc_WilsonGauge_Implicit compiles --- Grid/qcd/hmc/integrators/Integrator.h | 67 +++++++++++++------ .../hmc/integrators/Integrator_algorithm.h | 6 +- tests/hmc/Test_hmc_WilsonGauge_Implicit.cc | 5 +- 3 files changed, 51 insertions(+), 27 deletions(-) diff --git a/Grid/qcd/hmc/integrators/Integrator.h b/Grid/qcd/hmc/integrators/Integrator.h index 7c38d970..2ff33e42 100644 --- a/Grid/qcd/hmc/integrators/Integrator.h +++ b/Grid/qcd/hmc/integrators/Integrator.h @@ -73,7 +73,8 @@ protected: double t_U; // Track time passing on each level and for U and for P std::vector t_P; - MomentaField P; +// MomentaField P; + GeneralisedMomenta P; SmearingPolicy& Smearer; RepresentationPolicy Representations; IntegratorParameters Params; @@ -83,7 +84,7 @@ protected: void update_P(Field& U, int level, double ep) { t_P[level] += ep; - update_P(P, U, level, ep); + update_P(P.Mom, U, level, ep); std::cout << GridLogIntegrator << "[" << level << "] P " << " dt " << ep << " : t_P " << t_P[level] << std::endl; } @@ -111,6 +112,21 @@ protected: // input U actually not used in the fundamental case // Fundamental updates, include smearing + // Generalised momenta + // Derivative of the kinetic term must be computed before + // Mom is the momenta and gets updated by the + // actions derivatives + MomentaField MomDer(P.Mom.Grid()); + P.M.ImportGauge(U); + P.DerivativeU(P.Mom, MomDer); + Mom -= MomDer * ep; + + // Auxiliary fields + P.update_auxiliary_momenta(ep*0.5); + P.AuxiliaryFieldsDerivative(MomDer); + Mom -= MomDer * ep; + P.update_auxiliary_momenta(ep*0.5); + for (int a = 0; a < as[level].actions.size(); ++a) { double start_full = usecond(); Field force(U.Grid()); @@ -143,21 +159,21 @@ protected: std::cout << GridLogIntegrator << "[" << level << "] P " << " dt " << ep << " : t_P " << t_P[level] << std::endl; // Fundamental updates, include smearing - MomentaField Msum(P.Mom._grid); + MomentaField Msum(P.Mom.Grid()); Msum = Zero(); for (int a = 0; a < as[level].actions.size(); ++a) { // Compute the force terms for the lagrangian part // We need to compute the derivative of the actions // only once - Field force(U._grid); - conformable(U._grid, P.Mom._grid); + Field force(U.Grid()); + conformable(U.Grid(), P.Mom.Grid()); Field& Us = Smearer.get_U(as[level].actions.at(a)->is_smeared); as[level].actions.at(a)->deriv(Us, force); // deriv should NOT include Ta std::cout << GridLogIntegrator << "Smearing (on/off): " << as[level].actions.at(a)->is_smeared << std::endl; if (as[level].actions.at(a)->is_smeared) Smearer.smeared_force(force); force = FieldImplementation::projectForce(force); // Ta for gauge fields - Real force_abs = std::sqrt(norm2(force) / U._grid->gSites()); + Real force_abs = std::sqrt(norm2(force) / U.Grid()->gSites()); std::cout << GridLogIntegrator << "|Force| site average: " << force_abs << std::endl; Msum += force; @@ -167,11 +183,11 @@ protected: MomentaField OldMom = P.Mom; double threshold = 1e-8; P.M.ImportGauge(U); - MomentaField MomDer(P.Mom._grid); - MomentaField MomDer1(P.Mom._grid); - MomentaField AuxDer(P.Mom._grid); + MomentaField MomDer(P.Mom.Grid()); + MomentaField MomDer1(P.Mom.Grid()); + MomentaField AuxDer(P.Mom.Grid()); MomDer1 = Zero(); - MomentaField diff(P.Mom._grid); + MomentaField diff(P.Mom.Grid()); double factor = 2.0; if (intermediate){ P.DerivativeU(P.Mom, MomDer1); @@ -193,7 +209,7 @@ protected: // Compute the derivative of the kinetic term // with respect to the gauge field P.DerivativeU(NewMom, MomDer); - Real force_abs = std::sqrt(norm2(MomDer) / U._grid->gSites()); + Real force_abs = std::sqrt(norm2(MomDer) / U.Grid()->gSites()); std::cout << GridLogIntegrator << "|Force| laplacian site average: " << force_abs << std::endl; @@ -213,7 +229,7 @@ protected: void update_U(Field& U, double ep) { - update_U(P, U, ep); + update_U(P.Mom, U, ep); t_U += ep; int fl = levels - 1; @@ -237,10 +253,10 @@ protected: int fl = levels - 1; std::cout << GridLogIntegrator << " " << "[" << fl << "] U " << " dt " << ep << " : t_U " << t_U << std::endl; - MomentaField Mom1(P.Mom._grid); - MomentaField Mom2(P.Mom._grid); + MomentaField Mom1(P.Mom.Grid()); + MomentaField Mom2(P.Mom.Grid()); RealD RelativeError; - Field diff(U._grid); + Field diff(U.Grid()); Real threshold = 1e-8; int counter = 1; int MaxCounter = 100; @@ -286,10 +302,10 @@ protected: public: Integrator(GridBase* grid, IntegratorParameters Par, ActionSet& Aset, - SmearingPolicy& Sm) + SmearingPolicy& Sm, Metric& M) : Params(Par), as(Aset), - P(grid), + P(grid, M), levels(Aset.size()), Smearer(Sm), Representations(grid) @@ -326,7 +342,9 @@ public: void reverse_momenta() { - P *= -1.0; +// P *= -1.0; + P.Mom *= -1.0; + P.AuxMom *= -1.0; } // to be used by the actionlevel class to iterate @@ -346,10 +364,13 @@ public: // Initialization of momenta and actions void refresh(Field& U, GridParallelRNG& pRNG) { - assert(P.Grid() == U.Grid()); + assert(P.Mom.Grid() == U.Grid()); std::cout << GridLogIntegrator << "Integrator refresh\n"; - FieldImplementation::generate_momenta(P, pRNG); +// FieldImplementation::generate_momenta(P.Mom, pRNG); + P.M.ImportGauge(U); + P.MomentaDistribution(pRNG); + // Update the smeared fields, can be implemented as observer // necessary to keep the fields updated even after a reject @@ -395,9 +416,11 @@ public: std::cout << GridLogIntegrator << "Integrator action\n"; - RealD H = - FieldImplementation::FieldSquareNorm(P)/HMC_MOMENTUM_DENOMINATOR; // - trace (P*P)/denom - +// RealD H = - FieldImplementation::FieldSquareNorm(P)/HMC_MOMENTUM_DENOMINATOR; // - trace (P*P)/denom + P.M.ImportGauge(U); + RealD H = - P.MomentaAction(); RealD Hterm; + std::cout << GridLogMessage << "Momentum action H_p = " << H << "\n"; // Actions for (int level = 0; level < as.size(); ++level) { diff --git a/Grid/qcd/hmc/integrators/Integrator_algorithm.h b/Grid/qcd/hmc/integrators/Integrator_algorithm.h index 4a86a755..03ff2220 100644 --- a/Grid/qcd/hmc/integrators/Integrator_algorithm.h +++ b/Grid/qcd/hmc/integrators/Integrator_algorithm.h @@ -102,7 +102,7 @@ public: std::string integrator_name(){return "LeapFrog";} LeapFrog(GridBase* grid, IntegratorParameters Par, ActionSet& Aset, SmearingPolicy& Sm, Metric& M) - : Integrator(grid, Par, Aset, Sm){}; + : Integrator(grid, Par, Aset, Sm,M){}; void step(Field& U, int level, int _first, int _last) { int fl = this->as.size() - 1; @@ -145,7 +145,7 @@ public: INHERIT_FIELD_TYPES(FieldImplementation); MinimumNorm2(GridBase* grid, IntegratorParameters Par, ActionSet& Aset, SmearingPolicy& Sm, Metric& M) - : Integrator(grid, Par, Aset, Sm){}; + : Integrator(grid, Par, Aset, Sm,M){}; std::string integrator_name(){return "MininumNorm2";} @@ -209,7 +209,7 @@ public: ActionSet& Aset, SmearingPolicy& Sm, Metric& M) : Integrator( - grid, Par, Aset, Sm){}; + grid, Par, Aset, Sm,M){}; std::string integrator_name(){return "ForceGradient";} diff --git a/tests/hmc/Test_hmc_WilsonGauge_Implicit.cc b/tests/hmc/Test_hmc_WilsonGauge_Implicit.cc index 2abaed68..3d440676 100644 --- a/tests/hmc/Test_hmc_WilsonGauge_Implicit.cc +++ b/tests/hmc/Test_hmc_WilsonGauge_Implicit.cc @@ -44,7 +44,7 @@ struct RMHMCActionParameters: Serializable { int main(int argc, char **argv) { using namespace Grid; - using namespace Grid::QCD; +// using namespace Grid::QCD; Grid_init(&argc, &argv); GridLogIntegrator.Active(1); @@ -55,7 +55,8 @@ int main(int argc, char **argv) { // Typedefs to simplify notation typedef GenericHMCRunner HMCWrapper; // Uses the default minimum norm // Serialiser - typedef Grid::JSONReader Serialiser; +// typedef Grid::JSONReader Serialiser; + typedef Grid::XmlReader Serialiser; HMCWrapper TheHMC;