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3-link test at least gives an answer

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david clarke
2023-05-21 04:33:20 -06:00
parent bf91778550
commit c7bdf2c0e4
3 changed files with 202 additions and 66 deletions
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13
examples/Example_plaquette.cc
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@ -148,21 +148,22 @@ int main (int argc, char **argv)
// --grid n.n.n.n
Grid_init(&argc, &argv);
// This is where you would specify a custom lattice size, if not from the command line.
Coordinate simd_layout = GridDefaultSimd(4,vComplex::Nsimd());
// This is where you would specify a custom lattice size, if not from the command line. Here
// Nd is a global quantity that is currently set to 4.
Coordinate simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
Coordinate mpi_layout = GridDefaultMpi();
Coordinate latt_size = GridDefaultLatt();
// Instantiate the Grid on which everything will be built.
GridCartesian spacetime(latt_size,simd_layout,mpi_layout);
// Instantiate the spacetime Grid on which everything will be built.
GridCartesian GRID(latt_size,simd_layout,mpi_layout);
// The PeriodicGimplD type is what you want for gauge matrices. There is also a LatticeGaugeFieldD
// type that you can use, which will work perfectly with what follows.
PeriodicGimplD::Field U(&spacetime);
PeriodicGimplD::Field U(&GRID);
// Here we read in the parameter file params.json to get conf_name. The last argument is what the
// top organizational level is called in the param file.
XmlReader Reader("params.xml",false, "grid");
XmlReader Reader("Example_plaquette.xml",false, "grid");
ConfParameters param(Reader);
// Load a lattice from SIMULATeQCD into U. SIMULATeQCD finds plaquette = 0.6381995717