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Wilson RMHMC main program
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Chulwoo Jung
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076580c232
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026eb8a695
238
tests/hmc/Test_hmc_WilsonGauge_Implicit.cc
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238
tests/hmc/Test_hmc_WilsonGauge_Implicit.cc
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_hmc_WilsonFermionGauge.cc
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Copyright (C) 2015
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Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
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Author: neo <cossu@post.kek.jp>
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Author: Guido Cossu <guido.cossu@ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution
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directory
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*************************************************************************************/
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/* END LEGAL */
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#include <Grid/Grid.h>
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#define USE_OBC
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#define DO_IMPLICIT
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int main(int argc, char **argv)
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{
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using namespace Grid;
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Grid_init(&argc, &argv);
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GridLogLayout();
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std::string arg;
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HMCparameters HMCparams;
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#if 1
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{
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XmlReader HMCrd("HMCparameters.xml");
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read(HMCrd,"HMCparameters",HMCparams);
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}
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#else
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//IntegratorParameters MD;
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std::vector<int> steps(0);
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if( GridCmdOptionExists(argv,argv+argc,"--MDsteps") ){
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arg= GridCmdOptionPayload(argv,argv+argc,"--MDsteps");
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GridCmdOptionIntVector(arg,steps);
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assert(steps.size()==1);
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}
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MD.trajL = 0.001*std::sqrt(2.);
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MD.MDsteps = 1;
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if (steps.size()>0) MD.MDsteps = steps[0];
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if( GridCmdOptionExists(argv,argv+argc,"--trajL") ){
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arg= GridCmdOptionPayload(argv,argv+argc,"--trajL");
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std::vector<int> traj(0);
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GridCmdOptionIntVector(arg,traj);
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assert(traj.size()==1);
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MD.trajL *= double(traj[0]);
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}
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MD.RMHMCTol=1e-8;
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MD.RMHMCCGTol=1e-8;
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std::cout << "RMHMCTol= "<< MD.RMHMCTol<<" RMHMCCGTol= "<<MD.RMHMCCGTol<<std::endl;
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HMCparameters HMCparams;
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HMCparams.StartTrajectory = 0;
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HMCparams.Trajectories = 1;
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HMCparams.NoMetropolisUntil= 100;
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// "[HotStart, ColdStart, TepidStart, CheckpointStart]\n";
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HMCparams.StartingType =std::string("ColdStart");
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HMCparams.Kappa=0.01; //checking against trivial. Pathetic.
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HMCparams.MD = MD;
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#endif
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// Typedefs to simplify notation
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#ifdef DO_IMPLICIT
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typedef GenericHMCRunner<ImplicitMinimumNorm2> HMCWrapper; // Uses the default minimum norm
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// typedef GenericHMCRunner<ImplicitCampostrini> HMCWrapper; // 4th order
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HMCparams.MD.name = std::string("ImplicitMinimumNorm2");
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#else
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typedef GenericHMCRunner<MinimumNorm2> HMCWrapper; // Uses the default minimum norm
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HMCparams.MD.name = std::string("MinimumNorm2");
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#endif
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// Possibile to create the module by hand
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// hardcoding parameters or using a Reader
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// Checkpointer definition
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CheckpointerParameters CPparams;
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CPparams.config_prefix = "ckpoint_lat";
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CPparams.rng_prefix = "ckpoint_rng";
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CPparams.saveInterval = 1;
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CPparams.format = "IEEE64BIG";
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HMCWrapper TheHMC(HMCparams);
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// Grid from the command line
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TheHMC.Resources.AddFourDimGrid("gauge");
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TheHMC.Resources.LoadNerscCheckpointer(CPparams);
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RNGModuleParameters RNGpar;
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RNGpar.serial_seeds = "1 2 3 4 5";
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RNGpar.parallel_seeds = "6 7 8 9 10";
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TheHMC.Resources.SetRNGSeeds(RNGpar);
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// Construct observables
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// here there is too much indirection
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typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
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typedef TopologicalChargeMod<HMCWrapper::ImplPolicy> QObs;
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TheHMC.Resources.AddObservable<PlaqObs>();
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TopologyObsParameters TopParams;
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TopParams.interval = 1;
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TopParams.do_smearing = true;
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// TopParams.Smearing.steps = 1600;
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// TopParams.Smearing.step_size = 0.01;
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TopParams.Smearing.init_step_size = 0.01;
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TopParams.Smearing.meas_interval = 10;
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TopParams.Smearing.maxTau = 16.0;
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// TheHMC.Resources.AddObservable<QObs>(TopParams);
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//////////////////////////////////////////////
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/////////////////////////////////////////////////////////////
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// Collect actions, here use more encapsulation
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// need wrappers of the fermionic classes
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// that have a complex construction
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// standard
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RealD beta = 6.4;
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std::cout << "Wilson Gauge beta= " <<beta <<std::endl;
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#ifndef USE_OBC
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WilsonGaugeActionR Waction(beta);
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#else
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std::vector<Complex> boundaryG = {1,1,1,0};
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WilsonGaugeActionR::ImplParams ParamsG(boundaryG);
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WilsonGaugeActionR Waction(beta,ParamsG);
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std::cout << "boundaryG = " <<boundaryG <<std::endl;
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#endif
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ActionLevel<HMCWrapper::Field> Level1(1);
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Level1.push_back(&Waction);
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TheHMC.TheAction.push_back(Level1);
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TheHMC.ReadCommandLine(argc, argv); // these can be parameters from file
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std::cout << "trajL= " <<TheHMC.Parameters.MD.trajL <<" steps= "<<TheHMC.Parameters.MD.MDsteps << " integrator= "<<TheHMC.Parameters.MD.name<<std::endl;
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NoSmearing<HMCWrapper::ImplPolicy> S;
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#ifndef DO_IMPLICIT
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TrivialMetric<HMCWrapper::ImplPolicy::Field> Mtr;
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#else
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// g_x3_2
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LaplacianRatParams gpar(2),mpar(2);
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gpar.offset = 1.;
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gpar.a0[0] = 500.;
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gpar.a1[0] = 0.;
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gpar.b0[0] = 0.25;
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gpar.b1[0] = 1.;
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gpar.a0[1] = -500.;
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gpar.a1[1] = 0.;
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gpar.b0[1] = 0.36;
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gpar.b1[1] = 1.2;
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gpar.b2=1.;
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mpar.offset = 1.;
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mpar.a0[0] = -0.850891906532;
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mpar.a1[0] = -1.54707654538;
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mpar. b0[0] = 2.85557166137;
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mpar. b1[0] = 5.74194794773;
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mpar.a0[1] = -13.5120056831218384729709214298;
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mpar.a1[1] = 1.54707654538396877086370295729;
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mpar.b0[1] = 19.2921090880640520026645390317;
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mpar.b1[1] = -3.54194794773029020262811172870;
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mpar.b2=1.;
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for(int i=0;i<2;i++){
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gpar.a1[i] *=16.;
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gpar.b1[i] *=16.;
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mpar.a1[i] *=16.;
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mpar.b1[i] *=16.;
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}
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gpar.b2 *= 16.*16.;
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mpar.b2 *= 16.*16.;
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ConjugateGradient<LatticeGaugeField> CG(1.0e-8,10000);
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LaplacianParams LapPar(0.0001, 1.0, 10000, 1e-8, 12, 64);
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std::cout << GridLogMessage << "LaplacianRat " << std::endl;
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gpar.tolerance=HMCparams.MD.RMHMCCGTol;
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mpar.tolerance=HMCparams.MD.RMHMCCGTol;
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std::cout << GridLogMessage << "gpar offset= " << gpar.offset <<std::endl;
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std::cout << GridLogMessage << " a0= " << gpar.a0 <<std::endl;
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std::cout << GridLogMessage << " a1= " << gpar.a1 <<std::endl;
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std::cout << GridLogMessage << " b0= " << gpar.b0 <<std::endl;
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std::cout << GridLogMessage << " b1= " << gpar.b1 <<std::endl;
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std::cout << GridLogMessage << " b2= " << gpar.b2 <<std::endl ;;
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std::cout << GridLogMessage << "mpar offset= " << mpar.offset <<std::endl;
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std::cout << GridLogMessage << " a0= " << mpar.a0 <<std::endl;
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std::cout << GridLogMessage << " a1= " << mpar.a1 <<std::endl;
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std::cout << GridLogMessage << " b0= " << mpar.b0 <<std::endl;
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std::cout << GridLogMessage << " b1= " << mpar.b1 <<std::endl;
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std::cout << GridLogMessage << " b2= " << mpar.b2 <<std::endl;
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// Assumes PeriodicGimplR or D at the moment
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Coordinate latt = GridDefaultLatt();
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Coordinate mpi = GridDefaultMpi();
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auto UGrid = TheHMC.Resources.GetCartesian("gauge");
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Coordinate simdF = GridDefaultSimd(Nd,vComplexF::Nsimd());
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auto UGrid_f = SpaceTimeGrid::makeFourDimGrid(latt,simdF,mpi);
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std::cout << GridLogMessage << " UGrid= " << UGrid <<std::endl;
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std::cout << GridLogMessage << " UGrid_f= " << UGrid_f <<std::endl;
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LaplacianAdjointRat<HMCWrapper::ImplPolicy, PeriodicGimplF> Mtr(UGrid, UGrid_f,CG, gpar, mpar);
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#endif
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{
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XmlWriter HMCwr("HMCparameters.xml.out");
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write(HMCwr,"HMCparameters",TheHMC.Parameters);
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}
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TheHMC.Run(S,Mtr); // no smearing
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Grid_finalize();
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} // main
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