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Updating WilsonFlow test

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This commit is contained in:
Guido Cossu 2017-05-27 18:03:49 +01:00
parent 0de314870d
commit 7c6cc85df6
2 changed files with 50 additions and 7 deletions
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5
lib/qcd/smearing/WilsonFlow.h
View File

@ -107,6 +107,9 @@ RealD WilsonFlow<Gimpl>::energyDensityPlaquette(unsigned int step, const GaugeFi
return 2.0 * td * td * SG.S(U)/U._grid->gSites();
}
//#define WF_TIMING
template <class Gimpl>
void WilsonFlow<Gimpl>::smear(GaugeField& out, const GaugeField& in) const {
out = in;
@ -115,7 +118,9 @@ void WilsonFlow<Gimpl>::smear(GaugeField& out, const GaugeField& in) const {
evolve_step(out);
auto end = std::chrono::high_resolution_clock::now();
std::chrono::duration<double> diff = end - start;
#ifdef WF_TIMING
std::cout << "Time to evolve " << diff.count() << " s\n";
#endif
std::cout << GridLogMessage << "[WilsonFlow] Energy density (plaq) : "
<< step << " "
<< energyDensityPlaquette(step,out) << std::endl;

52
tests/smearing/Test_WilsonFlow.cc
View File

@ -28,6 +28,37 @@ directory
/* END LEGAL */
#include <Grid/Grid.h>
namespace Grid{
struct WFParameters: Serializable {
GRID_SERIALIZABLE_CLASS_MEMBERS(WFParameters,
int, steps,
double, step_size,
int, meas_interval);
template <class ReaderClass >
WFParameters(Reader<ReaderClass>& Reader){
read(Reader, "WilsonFlow", *this);
}
};
struct ConfParameters: Serializable {
GRID_SERIALIZABLE_CLASS_MEMBERS(ConfParameters,
std::string, conf_prefix,
std::string, rng_prefix,
int, StartConfiguration,
int, EndConfiguration,
int, Skip);
template <class ReaderClass >
ConfParameters(Reader<ReaderClass>& Reader){
read(Reader, "Configurations", *this);
}
};
}
int main(int argc, char **argv) {
using namespace Grid;
using namespace Grid::QCD;
@ -48,23 +79,30 @@ int main(int argc, char **argv) {
LatticeGaugeField Umu(&Grid), Uflow(&Grid);
SU<Nc>::HotConfiguration(pRNG, Umu);
CheckpointerParameters CPPar("ckpoint_lat", "ckpoint_rng");
typedef Grid::JSONReader Serialiser;
Serialiser Reader("input.json");
WFParameters WFPar(Reader);
ConfParameters CPar(Reader);
CheckpointerParameters CPPar(CPar.conf_prefix, CPar.rng_prefix);
BinaryHmcCheckpointer<PeriodicGimplR> CPBin(CPPar);
CPBin.CheckpointRestore(3000, Umu, sRNG, pRNG);
for (int conf = CPar.StartConfiguration; conf <= CPar.EndConfiguration; conf+= CPar.Skip){
CPBin.CheckpointRestore(conf, Umu, sRNG, pRNG);
std::cout << std::setprecision(15);
std::cout << GridLogMessage << "Plaquette: "
std::cout << GridLogMessage << "Initial plaquette: "
<< WilsonLoops<PeriodicGimplR>::avgPlaquette(Umu) << std::endl;
WilsonFlow<PeriodicGimplR> WF(200, 0.01, 50);
WilsonFlow<PeriodicGimplR> WF(WFPar.steps, WFPar.step_size, WFPar.meas_interval);
WF.smear(Uflow, Umu);
RealD WFlow_plaq = WilsonLoops<PeriodicGimplR>::avgPlaquette(Uflow);
RealD WFlow_TC = WilsonLoops<PeriodicGimplR>::TopologicalCharge(Uflow);
std::cout << GridLogMessage << "Plaquette : "<< WFlow_plaq << std::endl;
std::cout << GridLogMessage << "TopologicalCharge : "<< WFlow_TC << std::endl;
std::cout << GridLogMessage << "Plaquette "<< conf << " " << WFlow_plaq << std::endl;
std::cout << GridLogMessage << "TopologicalCharge "<< conf << " " << WFlow_TC << std::endl;
std::cout<< GridLogMessage << " Admissibility check:\n";
const double sp_adm = 0.067; // admissible threshold
@ -80,6 +118,6 @@ int main(int argc, char **argv) {
std::cout<< GridLogMessage << " (sp_admissible = "<< sp_adm <<")\n";
//std::cout<< GridLogMessage << " sp_admissible - sp_max = "<<sp_adm-sp_max <<"\n";
std::cout<< GridLogMessage << " sp_admissible - sp_ave = "<<sp_adm-sp_ave <<"\n";
}
Grid_finalize();
} // main