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QedFVol: Access HVP tensor using a vector<vector<ScalarField>> instead of vector<vector<ScalarField*>>

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This commit is contained in:
James Harrison 2017-05-05 17:12:41 +01:00
parent db3837be22
commit 6cb563a40c
2 changed files with 15 additions and 50 deletions
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64
extras/Hadrons/Modules/MScalar/ScalarVP.cc
View File

@ -205,15 +205,15 @@ void TScalarVP::execute(void)
} }
// CONTRACTIONS // CONTRACTIONS
vpTensor_.clear(); std::vector<std::vector<ScalarField> > vpTensor;
for (unsigned int mu = 0; mu < env().getNd(); ++mu) for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{ {
std::vector<ScalarField *> vpTensor_mu; std::vector<ScalarField> vpTensor_mu;
for (unsigned int nu = 0; nu < env().getNd(); ++nu) for (unsigned int nu = 0; nu < env().getNd(); ++nu)
{ {
vpTensor_mu.push_back(env().createLattice<ScalarField>(vpTensorName_[mu][nu])); vpTensor_mu.push_back(*env().createLattice<ScalarField>(vpTensorName_[mu][nu]));
} }
vpTensor_.push_back(vpTensor_mu); vpTensor.push_back(vpTensor_mu);
} }
ScalarField prop1(env().getGrid()), prop2(env().getGrid()); ScalarField prop1(env().getGrid()), prop2(env().getGrid());
EmField &A = *env().getObject<EmField>(par().emField); EmField &A = *env().getObject<EmField>(par().emField);
@ -221,7 +221,6 @@ void TScalarVP::execute(void)
TComplex Anu0; TComplex Anu0;
std::vector<int> coor0 = {0, 0, 0, 0}; std::vector<int> coor0 = {0, 0, 0, 0};
// Position-space implementation
prop1 = *GFSrc_ + q*propQ + q*q*propSun + q*q*propTad; prop1 = *GFSrc_ + q*propQ + q*q*propSun + q*q*propTad;
fft.FFT_all_dim(prop1, prop1, FFT::backward); fft.FFT_all_dim(prop1, prop1, FFT::backward);
for (unsigned int nu = 0; nu < env().getNd(); ++nu) for (unsigned int nu = 0; nu < env().getNd(); ++nu)
@ -231,57 +230,24 @@ void TScalarVP::execute(void)
+ q*q*(*(muPropSun_[nu]) + *(muPropTad_[nu])); + q*q*(*(muPropSun_[nu]) + *(muPropTad_[nu]));
fft.FFT_all_dim(prop2, prop2, FFT::backward); fft.FFT_all_dim(prop2, prop2, FFT::backward);
std::vector<ScalarField> pi_nu;
for (unsigned int mu = 0; mu < env().getNd(); ++mu) for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{ {
LOG(Message) << "Computing Pi[" << mu << "][" << nu << "]..." LOG(Message) << "Computing Pi[" << mu << "][" << nu << "]..."
<< std::endl; << std::endl;
Amu = peekLorentz(A, mu); Amu = peekLorentz(A, mu);
ScalarField &pi_mu_nu = *(vpTensor_[mu][nu]); vpTensor[mu][nu] = adj(prop2)
pi_mu_nu = adj(prop2) * (1.0 + ci*q*Amu - 0.5*q*q*Amu*Amu)
* (1.0 + ci*q*Amu - 0.5*q*q*Amu*Amu) * Cshift(prop1, mu, 1)
* Cshift(prop1, mu, 1) * (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0);
* (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0); vpTensor[mu][nu] -= Cshift(adj(prop2), mu, 1)
pi_mu_nu -= Cshift(adj(prop2), mu, 1) * (1.0 - ci*q*Amu - 0.5*q*q*Amu*Amu)
* (1.0 - ci*q*Amu - 0.5*q*q*Amu*Amu) * prop1
* prop1 * (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0);
* (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0); vpTensor[mu][nu] = 2.0*real(vpTensor[mu][nu]);
pi_mu_nu = 2.0*real(pi_mu_nu);
} }
} }
// // Momentum-space implementation
// ScalarField propbuf1(env().getGrid()), propbuf2(env().getGrid());
// prop1 = *GFSrc_ + q*propQ + q*q*propSun + q*q*propTad;
// for (unsigned int nu = 0; nu < env().getNd(); ++nu)
// {
// peekSite(Anu0, peekLorentz(A, nu), coor0);
// prop2 = adj(*phase_[nu])*(*GFSrc_) + q*(*(muPropQ_[nu]))
// + q*q*(*(muPropSun_[nu]) + *(muPropTad_[nu]));
// for (unsigned int mu = 0; mu < env().getNd(); ++mu)
// {
// LOG(Message) << "Computing Pi[" << mu << "][" << nu << "]..."
// << std::endl;
// Amu = peekLorentz(A, mu);
// ScalarField &pi_mu_nu = *(vpTensor_[mu][nu]);
// propbuf1 = (*phase_[mu])*prop1;
// fft.FFT_all_dim(propbuf1, propbuf1, FFT::backward);
// fft.FFT_all_dim(propbuf2, prop2, FFT::backward);
// pi_mu_nu = adj(propbuf2)
// * (1.0 + ci*q*Amu - 0.5*q*q*Amu*Amu)
// * propbuf1
// * (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0);
// propbuf2 = (*phase_[mu])*prop2;
// fft.FFT_all_dim(propbuf1, prop1, FFT::backward);
// fft.FFT_all_dim(propbuf2, propbuf2, FFT::backward);
// pi_mu_nu -= adj(propbuf2)
// * (1.0 - ci*q*Amu - 0.5*q*q*Amu*Amu)
// * propbuf1
// * (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0);
// pi_mu_nu = 2.0*real(pi_mu_nu);
// }
// }
// OUTPUT IF NECESSARY // OUTPUT IF NECESSARY
if (!par().output.empty()) if (!par().output.empty())
{ {
@ -302,7 +268,7 @@ void TScalarVP::execute(void)
{ {
for (unsigned int nu = 0; nu < env().getNd(); ++nu) for (unsigned int nu = 0; nu < env().getNd(); ++nu)
{ {
sliceSum(*(vpTensor_[mu][nu]), vecBuf, Tp); sliceSum(vpTensor[mu][nu], vecBuf, Tp);
result.resize(vecBuf.size()); result.resize(vecBuf.size());
for (unsigned int t = 0; t < vecBuf.size(); ++t) for (unsigned int t = 0; t < vecBuf.size(); ++t)
{ {

1
extras/Hadrons/Modules/MScalar/ScalarVP.hpp
View File

@ -57,7 +57,6 @@ private:
ScalarField *freeMomProp_, *GFSrc_, ScalarField *freeMomProp_, *GFSrc_,
*prop0_; *prop0_;
std::vector<ScalarField *> phase_; std::vector<ScalarField *> phase_;
std::vector<std::vector<ScalarField *> > vpTensor_;
EmField *A; EmField *A;
}; };