add projection on sp2n algebra

2025-11-04 14:04:32 +00:00 · 2021-10-26 10:20:44 +01:00
parent 4d8ae6221c
commit 4044536eea
3 changed files with 134 additions and 83 deletions
--- a/tests/sp2n/Test_hmc_Sp_pureGaugeWilson.cc
+++ b/tests/sp2n/Test_hmc_Sp_pureGaugeWilson.cc
@@ -0,0 +1,100 @@
+/*************************************************************************************
+
+Grid physics library, www.github.com/paboyle/Grid
+
+Source file: ./tests/Test_hmc_WilsonFermionGauge.cc
+
+Copyright (C) 2015
+
+Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
+Author: neo <cossu@post.kek.jp>
+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>
+
+int main(int argc, char **argv) 
+{
+  using namespace Grid;
+
+  Grid_init(&argc, &argv);
+  GridLogLayout();
+
+  typedef GenericSp2nHMCRunner<MinimumNorm2> HMCWrapper;
+  HMCWrapper TheHMC;
+
+
+  TheHMC.Resources.AddFourDimGrid("gauge");
+
+
+
+  // Checkpointer definition
+  CheckpointerParameters CPparams;  
+  CPparams.config_prefix = "ckpoint_lat";
+  CPparams.rng_prefix = "ckpoint_rng";
+  CPparams.saveInterval = 5;
+  CPparams.format = "IEEE64BIG";
+  
+  TheHMC.Resources.LoadNerscCheckpointer(CPparams);
+
+  RNGModuleParameters RNGpar;
+  RNGpar.serial_seeds = "12 22 32 42 52";
+  RNGpar.parallel_seeds = "76 77 87 79 70";
+  TheHMC.Resources.SetRNGSeeds(RNGpar);
+
+  // Construct observables
+  // here there is too much indirection 
+  typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
+  typedef TopologicalChargeMod<HMCWrapper::ImplPolicy> QObs;
+  TheHMC.Resources.AddObservable<PlaqObs>();
+  TopologyObsParameters TopParams;
+  TopParams.interval = 5;
+  TopParams.do_smearing = true;
+  TopParams.Smearing.steps = 200;
+  TopParams.Smearing.step_size = 0.01;
+  TopParams.Smearing.meas_interval = 50;
+  TopParams.Smearing.maxTau = 2.0; 
+  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 = 8.0 ;
+  SymplWilsonGaugeActionR Waction(beta);
+  
+  ActionLevel<HMCWrapper::Field> Level1(1);
+  Level1.push_back(&Waction);
+  //Level1.push_back(WGMod.getPtr());
+  TheHMC.TheAction.push_back(Level1);
+  /////////////////////////////////////////////////////////////
+
+  // HMC parameters are serialisable 
+  TheHMC.Parameters.MD.MDsteps = 10;
+  TheHMC.Parameters.MD.trajL   = 1.0;
+
+  TheHMC.ReadCommandLine(argc, argv); // these can be parameters from file
+  TheHMC.Run();  // no smearing
+
+  Grid_finalize();
+
+} // main