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102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_nersc_io.cc
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Copyright (C) 2015
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: paboyle <paboyle@ph.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 directory
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*************************************************************************************/
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/* END LEGAL */
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#include <Grid/Grid.h>
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using namespace std;
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using namespace Grid;
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;
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int main (int argc, char ** argv)
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{
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#ifdef HAVE_LIME
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Grid_init(&argc,&argv);
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std::cout <<GridLogMessage<< " main "<<std::endl;
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auto simd_layout = GridDefaultSimd(4,vComplex::Nsimd());
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auto mpi_layout = GridDefaultMpi();
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//std::vector<int> latt_size ({48,48,48,96});
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//std::vector<int> latt_size ({32,32,32,32});
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Coordinate latt_size ({16,16,16,32});
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Coordinate clatt_size ({4,4,4,8});
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int orthodir=3;
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int orthosz =latt_size[orthodir];
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GridCartesian Fine(latt_size,simd_layout,mpi_layout);
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GridCartesian Coarse(clatt_size,simd_layout,mpi_layout);
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GridParallelRNG pRNGa(&Fine);
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GridParallelRNG pRNGb(&Fine);
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GridSerialRNG sRNGa;
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GridSerialRNG sRNGb;
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std::cout <<GridLogMessage<< " seeding... "<<std::endl;
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pRNGa.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
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sRNGa.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
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std::cout <<GridLogMessage<< " ...done "<<std::endl;
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LatticeGaugeField Umu(&Fine);
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LatticeGaugeField Umu_diff(&Fine);
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LatticeGaugeField Umu_saved(&Fine);
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std::vector<LatticeColourMatrix> U(4,&Fine);
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SU3::HotConfiguration(pRNGa,Umu);
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FieldMetaData header;
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std::cout <<GridLogMessage<<"**************************************"<<std::endl;
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std::cout <<GridLogMessage<<"** Writing out ILDG conf *********"<<std::endl;
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std::cout <<GridLogMessage<<"**************************************"<<std::endl;
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std::string file("./ckpoint_ildg.4000");
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IldgWriter _IldgWriter(Fine.IsBoss());
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_IldgWriter.open(file);
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_IldgWriter.writeConfiguration(Umu,4000,std::string("dummy_ildg_LFN"),std::string("dummy_config"));
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_IldgWriter.close();
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Umu_saved = Umu;
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std::cout <<GridLogMessage<<"**************************************"<<std::endl;
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std::cout <<GridLogMessage<<"** Reading back ILDG conf *********"<<std::endl;
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std::cout <<GridLogMessage<<"**************************************"<<std::endl;
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IldgReader _IldgReader;
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_IldgReader.open(file);
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_IldgReader.readConfiguration(Umu,header);
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_IldgReader.close();
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Umu_diff = Umu - Umu_saved;
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std::cout <<GridLogMessage<< "norm2 Gauge Diff = "<<norm2(Umu_diff)<<std::endl;
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Grid_finalize();
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#endif
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}
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