Test production code wilson clover. Still missing QObs measurement on-the-fly.

lib/qcd/utils/WilsonLoops.h

@@ -135,7 +135,6 @@ public:
     int Y = Umu._grid->GlobalDimensions()[1];
     int Z = Umu._grid->GlobalDimensions()[2];
 
-    std::cout << X << Y << Z << T << std::endl;
     Ut = peekLorentz(Umu,3); //Select temporal direction
     P = Ut;
     for (int t=1;t<T;t++){ 

tests/hmc/Test_hmc_WCFG_Production.cc

@@ -0,0 +1,210 @@
+/*************************************************************************************
+
+Grid physics library, www.github.com/paboyle/Grid
+
+Source file: ./tests/Test_hmc_WilsonFermionGauge.cc
+
+Copyright (C) 2017
+
+Author: Guido Cossu <guido.cossu@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 */
+#include <Grid/Grid.h>
+
+
+namespace Grid{
+  struct FermionParameters: Serializable {
+    GRID_SERIALIZABLE_CLASS_MEMBERS(FermionParameters,
+            double, mass,
+            double, csw,
+				    double, StoppingCondition,
+				    int, MaxCGIterations,
+				    bool, ApplySmearing);
+  };
+
+  
+  struct WilsonCloverHMCParameters: Serializable {
+  GRID_SERIALIZABLE_CLASS_MEMBERS(WilsonCloverHMCParameters,
+				  double, gauge_beta,
+				  FermionParameters, WilsonClover)
+
+  template <class ReaderClass >
+  WilsonCloverHMCParameters(Reader<ReaderClass>& Reader){
+    read(Reader, "Action", *this);
+    }
+  };
+
+  struct SmearingParameters: Serializable {
+    GRID_SERIALIZABLE_CLASS_MEMBERS(SmearingParameters,
+				    double, rho,
+				    Integer, Nsmear)
+
+    template <class ReaderClass >
+    SmearingParameters(Reader<ReaderClass>& Reader){
+      read(Reader, "StoutSmearing", *this);
+    }
+
+  };
+  
+  
+}
+
+int main(int argc, char **argv)
+{
+  using namespace Grid;
+  using namespace Grid::QCD;
+
+  Grid_init(&argc, &argv);
+  int threads = GridThread::GetThreads();
+  // here make a routine to print all the relevant information on the run
+  std::cout << GridLogMessage << "Grid is setup to use " << threads << " threads" << std::endl;
+
+  // Typedefs to simplify notation
+  typedef GenericHMCRunner<MinimumNorm2> HMCWrapper; // Uses the default minimum norm
+  typedef WilsonImplR FermionImplPolicy;
+  typedef WilsonCloverFermionR FermionAction;
+  typedef typename FermionAction::FermionField FermionField;
+  typedef Grid::JSONReader Serialiser;
+
+  //::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+  HMCWrapper TheHMC;
+
+  // Grid from the command line
+  TheHMC.ReadCommandLine(argc, argv); 
+  if (TheHMC.ParameterFile.empty()){
+    std::cout << "Input file not specified."
+              << "Use --ParameterFile option in the command line.\nAborting" 
+              << std::endl;
+    exit(1);
+  }
+  Serialiser Reader(TheHMC.ParameterFile);
+  WilsonCloverHMCParameters MyParams(Reader);  
+
+  // Apply smearing to the fermionic action
+  bool ApplySmearing = MyParams.WilsonClover.ApplySmearing;
+
+  TheHMC.Resources.AddFourDimGrid("gauge");
+
+  // Checkpointer definition
+  CheckpointerParameters CPparams(Reader);
+  
+  /*
+  CPparams.config_prefix = "ckpoint_lat";
+  CPparams.rng_prefix = "ckpoint_rng";
+  CPparams.saveInterval = 5;
+  CPparams.format = "IEEE64BIG";
+  */
+  
+  TheHMC.Resources.LoadNerscCheckpointer(CPparams);
+
+  RNGModuleParameters RNGpar(Reader);
+  /*
+  RNGpar.serial_seeds = "1 2 3 4 5";
+  RNGpar.parallel_seeds = "6 7 8 9 10";
+  TheHMC.Resources.SetRNGSeeds(RNGpar);
+  */
+  TheHMC.Resources.SetRNGSeeds(RNGpar);
+
+  // Construct observables
+  typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
+  TheHMC.Resources.AddObservable<PlaqObs>();
+
+  typedef PolyakovMod<HMCWrapper::ImplPolicy> PolyakovObs;
+  TheHMC.Resources.AddObservable<PolyakovObs>();
+
+  //typedef TopologicalChargeMod<HMCWrapper::ImplPolicy> QObs;
+  //TopologyObsParameters TopParams(Reader);
+  //TheHMC.Resources.AddObservable<QObs>(TopParams);
+  //////////////////////////////////////////////
+
+  /////////////////////////////////////////////////////////////
+  // Collect actions, here use more encapsulation
+  // need wrappers of the fermionic classes
+  // that have a complex construction
+  // standard
+  
+  //RealD beta = 5.6;
+  WilsonGaugeActionR Waction(MyParams.gauge_beta);
+
+  auto GridPtr   = TheHMC.Resources.GetCartesian();
+  auto GridRBPtr = TheHMC.Resources.GetRBCartesian();
+
+  // temporarily need a gauge field
+  LatticeGaugeField U(GridPtr);
+
+  //Real mass = 0.01;
+  //Real csw = 1.0;
+
+  Real mass = MyParams.WilsonClover.mass;
+  Real csw = MyParams.WilsonClover.csw;
+
+  std::cout << "mass and csw" << mass << " and " << csw << std::endl; 
+
+  FermionAction FermOp(U, *GridPtr, *GridRBPtr, mass, csw, csw);
+  ConjugateGradient<FermionField> CG(MyParams.WilsonClover.StoppingCondition, MyParams.WilsonClover.MaxCGIterations);
+  TwoFlavourPseudoFermionAction<FermionImplPolicy> Nf2(FermOp, CG, CG);
+
+  // Set smearing (true/false), default: false
+  Nf2.is_smeared = ApplySmearing;
+
+  // Collect actions
+  ActionLevel<HMCWrapper::Field> Level1(1);
+  Level1.push_back(&Nf2);
+
+  ActionLevel<HMCWrapper::Field> Level2(4);
+  Level2.push_back(&Waction);
+
+  TheHMC.TheAction.push_back(Level1);
+  TheHMC.TheAction.push_back(Level2);
+  /////////////////////////////////////////////////////////////
+
+
+  /*
+    double rho = 0.1;  // smearing parameter
+    int Nsmear = 2;    // number of smearing levels
+    Smear_Stout<HMCWrapper::ImplPolicy> Stout(rho);
+    SmearedConfiguration<HMCWrapper::ImplPolicy> SmearingPolicy(
+        UGrid, Nsmear, Stout);
+  */
+
+  // HMC parameters are serialisable
+
+  TheHMC.Parameters.initialize(Reader);
+  //TheHMC.Parameters.MD.MDsteps = 20;
+  //TheHMC.Parameters.MD.trajL = 1.0;
+
+  if (ApplySmearing){
+    SmearingParameters SmPar(Reader);
+    //double rho = 0.1;  // smearing parameter
+    //int Nsmear = 3;    // number of smearing levels
+    Smear_Stout<HMCWrapper::ImplPolicy> Stout(SmPar.rho);
+    SmearedConfiguration<HMCWrapper::ImplPolicy> SmearingPolicy(GridPtr, SmPar.Nsmear, Stout);
+    TheHMC.Run(SmearingPolicy); // for smearing
+  } else {
+    TheHMC.Run();  // no smearing
+  }
+
+  //TheHMC.ReadCommandLine(argc, argv); // these can be parameters from file
+  //TheHMC.Run();                       // no smearing
+  // TheHMC.Run(SmearingPolicy); // for smearing
+
+  Grid_finalize();
+
+} // main