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Code Releases Activity

Adding factories

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This commit is contained in:
Guido Cossu
2017-01-16 10:18:09 +00:00
parent 0dfda4bb90
commit c6f59c2933
15 changed files with 583 additions and 171 deletions
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27
lib/qcd/hmc/integrators/Integrator.h
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@ -37,29 +37,30 @@ directory
namespace Grid {
namespace QCD {
struct IntegratorParameters {
unsigned int MDsteps; // number of outer steps
RealD trajL; // trajectory length
RealD stepsize; // trajectory stepsize
class IntegratorParameters: Serializable {
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(IntegratorParameters,
std::string, name, // name of the integrator
unsigned int, MDsteps, // number of outer steps
RealD, trajL, // trajectory length
)
IntegratorParameters(int MDsteps_ = 10, RealD trajL_ = 1.0)
: MDsteps(MDsteps_),
trajL(trajL_),
stepsize(trajL / MDsteps){
// empty body constructor
trajL(trajL_){
// empty body constructor
};
void set(int MDsteps_, RealD trajL_){
MDsteps = MDsteps_;
trajL = trajL_;
stepsize = trajL/MDsteps;
}
template <class ReaderClass, typename std::enable_if<isReader<ReaderClass>::value, int >::type = 0 >
IntegratorParameters(ReaderClass & Reader){
read(Reader, "Integrator", *this);
}
void print_parameters() {
std::cout << GridLogMessage << "[Integrator] Trajectory length : " << trajL << std::endl;
std::cout << GridLogMessage << "[Integrator] Number of MD steps : " << MDsteps << std::endl;
std::cout << GridLogMessage << "[Integrator] Step size : " << stepsize << std::endl;
std::cout << GridLogMessage << "[Integrator] Step size : " << trajL/MDsteps << std::endl;
}
};

6
lib/qcd/hmc/integrators/Integrator_algorithm.h
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@ -117,7 +117,7 @@ class LeapFrog : public Integrator<FieldImplementation, SmearingPolicy,
// eps : current step size
// Get current level step size
RealD eps = this->Params.stepsize;
RealD eps = this->Params.trajL/this->Params.MDsteps;
for (int l = 0; l <= level; ++l) eps /= this->as[l].multiplier;
int multiplier = this->as[level].multiplier;
@ -166,7 +166,7 @@ class MinimumNorm2 : public Integrator<FieldImplementation, SmearingPolicy,
int fl = this->as.size() - 1;
RealD eps = this->Params.stepsize * 2.0;
RealD eps = this->Params.trajL/this->Params.MDsteps * 2.0;
for (int l = 0; l <= level; ++l) eps /= 2.0 * this->as[l].multiplier;
// Nesting: 2xupdate_U of size eps/2
@ -247,7 +247,7 @@ class ForceGradient : public Integrator<FieldImplementation, SmearingPolicy,
}
void step(Field& U, int level, int _first, int _last) {
RealD eps = this->Params.stepsize * 2.0;
RealD eps = this->Params.trajL/this->Params.MDsteps * 2.0;
for (int l = 0; l <= level; ++l) eps /= 2.0 * this->as[l].multiplier;
RealD Chi = chi * eps * eps * eps;