portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-13 20:57:06 +01:00
Code Releases Activity

Merge pull request #243 from fionnoh/feature/A2A_current_insertion

Browse Source 
Feature/a2 a current insertion
This commit is contained in:
Antonin Portelli
2019-10-22 13:55:53 +01:00
committed by GitHub
parent 202f025fc7 a55d0ba8fe
commit c97f780784
11 changed files with 835 additions and 483 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
Hadrons/Modules/MContraction/A2AFourQuarkContraction.cc Normal file
View File

@ -0,0 +1,7 @@
#include <Hadrons/Modules/MContraction/A2AFourQuarkContraction.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
template class Grid::Hadrons::MContraction::TA2AFourQuarkContraction<FIMPL>;

138
Hadrons/Modules/MContraction/A2AFourQuarkContraction.hpp Normal file
View File

@ -0,0 +1,138 @@
#ifndef Hadrons_MContraction_A2AFourQuarkContraction_hpp_
#define Hadrons_MContraction_A2AFourQuarkContraction_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
#include <Hadrons/DiskVector.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* A2AFourQuarkContraction *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
class A2AFourQuarkContractionPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(A2AFourQuarkContractionPar,
std::string, v1,
std::string, v2,
std::string, mf12,
bool, allContr,
unsigned int, dt);
};
template <typename FImpl>
class TA2AFourQuarkContraction: public Module<A2AFourQuarkContractionPar>
{
public:
FERM_TYPE_ALIASES(FImpl, );
// constructor
TA2AFourQuarkContraction(const std::string name);
// destructor
virtual ~TA2AFourQuarkContraction(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
private:
unsigned int nt_;
};
MODULE_REGISTER_TMP(A2AFourQuarkContraction, TA2AFourQuarkContraction<FIMPL>, MContraction);
/******************************************************************************
* TA2AFourQuarkContraction implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TA2AFourQuarkContraction<FImpl>::TA2AFourQuarkContraction(const std::string name)
: Module<A2AFourQuarkContractionPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TA2AFourQuarkContraction<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().v1, par().v2, par().mf12};
return in;
}
template <typename FImpl>
std::vector<std::string> TA2AFourQuarkContraction<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TA2AFourQuarkContraction<FImpl>::setup(void)
{
if (par().allContr)
{
nt_ = env().getDim(Tp);
envTmp(std::vector<PropagatorField>, "tmpWWVV", 1, nt_, envGetGrid(PropagatorField));
envCreate(std::vector<PropagatorField>, getName(), 1, nt_, envGetGrid(PropagatorField));
}
else
{
envTmp(std::vector<PropagatorField>, "tmpWWVV", 1, 1, envGetGrid(PropagatorField));
envCreate(PropagatorField, getName(), 1, envGetGrid(PropagatorField));
}
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TA2AFourQuarkContraction<FImpl>::execute(void)
{
auto &v1 = envGet(std::vector<FermionField>, par().v1);
auto &v2 = envGet(std::vector<FermionField>, par().v2);
auto &mf12 = envGet(EigenDiskVector<Complex>, par().mf12);
envGetTmp(std::vector<PropagatorField>, tmpWWVV);
unsigned int dt = par().dt;
unsigned int nt = env().getDim(Tp);
if (par().allContr)
{
LOG(Message) << "Computing 4 quark contraction for " << getName()
<< " for all t0 time translations "
<< "with nt = " << nt_ << " and dt = " << dt << std::endl;
auto &WWVV = envGet(std::vector<PropagatorField>, getName());
A2Autils<FImpl>::ContractWWVV(tmpWWVV, mf12, &v1[0], &v2[0]);
for(unsigned int t = 0; t < nt_; t++){
unsigned int t0 = (t + dt) % nt_;
WWVV[t] = tmpWWVV[t0];
}
}
else
{
LOG(Message) << "Computing 4 quark contraction for: " << getName()
<< " for time dt = " << dt << std::endl;
auto &WWVV = envGet(PropagatorField, getName());
int ni = v1.size();
int nj = v2.size();
Eigen::Matrix<Complex, -1, -1, Eigen::RowMajor> mf;
mf = mf12[dt];
Eigen::TensorMap<Eigen::Tensor<Complex, 3, Eigen::RowMajor>> mfT(mf.data(), 1, ni, nj);
A2Autils<FImpl>::ContractWWVV(tmpWWVV, mfT, &v1[0], &v2[0]);
WWVV = tmpWWVV[0];
}
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_A2AFourQuarkContraction_hpp_

76
Hadrons/Modules/MContraction/Gamma3pt.hpp
View File

@ -57,7 +57,8 @@ BEGIN_HADRONS_NAMESPACE
* - q1: sink smeared propagator, source at i
* - q2: propagator, source at i
* - q3: propagator, source at f
* - gamma: gamma matrix to insert
* - gammas: gamma matrices to insert
* (space-separated strings e.g. "GammaT GammaX GammaY")
* - tSnk: sink position for propagator q1.
*
*/
@ -71,12 +72,12 @@ class Gamma3ptPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Gamma3ptPar,
std::string, q1,
std::string, q2,
std::string, q3,
Gamma::Algebra, gamma,
unsigned int, tSnk,
std::string, output);
std::string, q1,
std::string, q2,
std::string, q3,
std::string, gamma,
unsigned int, tSnk,
std::string, output);
};
template <typename FImpl1, typename FImpl2, typename FImpl3>
@ -100,6 +101,7 @@ public:
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
virtual void parseGammaString(std::vector<Gamma::Algebra> &gammaList);
protected:
// setup
virtual void setup(void);
@ -142,37 +144,67 @@ void TGamma3pt<FImpl1, FImpl2, FImpl3>::setup(void)
envTmpLat(LatticeComplex, "c");
}
template <typename FImpl1, typename FImpl2, typename FImpl3>
void TGamma3pt<FImpl1, FImpl2, FImpl3>::parseGammaString(std::vector<Gamma::Algebra> &gammaList)
{
gammaList.clear();
// Determine gamma matrices to insert at source/sink.
if (par().gamma.compare("all") == 0)
{
// Do all contractions.
for (unsigned int i = 1; i < Gamma::nGamma; i += 2)
{
gammaList.push_back((Gamma::Algebra)i);
}
}
else
{
// Parse individual contractions from input string.
gammaList = strToVec<Gamma::Algebra>(par().gamma);
}
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl1, typename FImpl2, typename FImpl3>
void TGamma3pt<FImpl1, FImpl2, FImpl3>::execute(void)
{
LOG(Message) << "Computing 3pt contractions '" << getName() << "' using"
<< " quarks '" << par().q1 << "', '" << par().q2 << "' and '"
<< par().q3 << "', with " << par().gamma << " insertion."
<< par().q3 << "', with " << par().gamma << " insertions."
<< std::endl;
// Initialise variables. q2 and q3 are normal propagators, q1 may be
// sink smeared.
auto &q1 = envGet(SlicedPropagator1, par().q1);
auto &q2 = envGet(PropagatorField2, par().q2);
auto &q3 = envGet(PropagatorField2, par().q3);
Gamma g5(Gamma::Algebra::Gamma5);
Gamma gamma(par().gamma);
std::vector<TComplex> buf;
Result result;
auto &q1 = envGet(SlicedPropagator1, par().q1);
auto &q2 = envGet(PropagatorField2, par().q2);
auto &q3 = envGet(PropagatorField2, par().q3);
Gamma g5(Gamma::Algebra::Gamma5);
std::vector<Gamma::Algebra> gammaList;
std::vector<TComplex> buf;
std::vector<Result> result;
int nt = env().getDim(Tp);
parseGammaString(gammaList);
result.resize(gammaList.size());
for (unsigned int i = 0; i < result.size(); ++i)
{
result[i].gamma = gammaList[i];
result[i].corr.resize(nt);
}
// Extract relevant timeslice of sinked propagator q1, then contract &
// sum over all spacial positions of gamma insertion.
SitePropagator1 q1Snk = q1[par().tSnk];
envGetTmp(LatticeComplex, c);
c = trace(g5*q1Snk*adj(q2)*(g5*gamma)*q3);
sliceSum(c, buf, Tp);
result.gamma = par().gamma;
result.corr.resize(buf.size());
for (unsigned int t = 0; t < buf.size(); ++t)
for (unsigned int i = 0; i < result.size(); ++i)
{
result.corr[t] = TensorRemove(buf[t]);
Gamma gamma(gammaList[i]);
c = trace(g5*q1Snk*adj(q2)*(g5*gamma)*q3);
sliceSum(c, buf, Tp);
for (unsigned int t = 0; t < buf.size(); ++t)
{
result[i].corr[t] = TensorRemove(buf[t]);
}
}
saveResult(par().output, "gamma3pt", result);
}