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Fixing the topological charge. Wilson Flow tested, ok

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This commit is contained in:
Guido Cossu
2017-05-26 12:45:59 +01:00
parent 75856f2945
commit f4e8bf2858
3 changed files with 44 additions and 11 deletions
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18
lib/qcd/smearing/WilsonFlow.h
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@ -36,8 +36,10 @@ namespace QCD {
template <class Gimpl>
class WilsonFlow: public Smear<Gimpl>{
unsigned int Nstep;
unsigned int measure_interval;
RealD epsilon;
mutable WilsonGaugeAction<Gimpl> SG;
void evolve_step(typename Gimpl::GaugeField&) const;
@ -47,9 +49,10 @@ class WilsonFlow: public Smear<Gimpl>{
public:
INHERIT_GIMPL_TYPES(Gimpl)
explicit WilsonFlow(unsigned int Nstep, RealD epsilon):
explicit WilsonFlow(unsigned int Nstep, RealD epsilon, unsigned int interval = 1):
Nstep(Nstep),
epsilon(epsilon),
measure_interval(interval),
SG(WilsonGaugeAction<Gimpl>(3.0)) {
// WilsonGaugeAction with beta 3.0
assert(epsilon > 0.0);
@ -107,11 +110,20 @@ RealD WilsonFlow<Gimpl>::energyDensityPlaquette(unsigned int step, const GaugeFi
template <class Gimpl>
void WilsonFlow<Gimpl>::smear(GaugeField& out, const GaugeField& in) const {
out = in;
for (unsigned int step = 0; step < Nstep; step++) {
for (unsigned int step = 1; step <= Nstep; step++) {
auto start = std::chrono::high_resolution_clock::now();
evolve_step(out);
auto end = std::chrono::high_resolution_clock::now();
std::chrono::duration<double> diff = end - start;
std::cout << "Time to evolve " << diff.count() << " s\n";
std::cout << GridLogMessage << "[WilsonFlow] Energy density (plaq) : "
<< step << " "
<< step << " "
<< energyDensityPlaquette(step,out) << std::endl;
if( step % measure_interval == 0){
std::cout << GridLogMessage << "[WilsonFlow] Top. charge : "
<< step << " "
<< WilsonLoops<PeriodicGimplR>::TopologicalCharge(out) << std::endl;
}
}
}