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QedFVol: Access HVP tensor using a vector<vector<ScalarField>> instead of vector<vector<ScalarField*>>
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@ -205,15 +205,15 @@ void TScalarVP::execute(void)
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}
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// CONTRACTIONS
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vpTensor_.clear();
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std::vector<std::vector<ScalarField> > vpTensor;
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for (unsigned int mu = 0; mu < env().getNd(); ++mu)
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{
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std::vector<ScalarField *> vpTensor_mu;
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std::vector<ScalarField> vpTensor_mu;
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for (unsigned int nu = 0; nu < env().getNd(); ++nu)
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{
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vpTensor_mu.push_back(env().createLattice<ScalarField>(vpTensorName_[mu][nu]));
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vpTensor_mu.push_back(*env().createLattice<ScalarField>(vpTensorName_[mu][nu]));
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}
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vpTensor_.push_back(vpTensor_mu);
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vpTensor.push_back(vpTensor_mu);
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}
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ScalarField prop1(env().getGrid()), prop2(env().getGrid());
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EmField &A = *env().getObject<EmField>(par().emField);
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@ -221,7 +221,6 @@ void TScalarVP::execute(void)
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TComplex Anu0;
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std::vector<int> coor0 = {0, 0, 0, 0};
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// Position-space implementation
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prop1 = *GFSrc_ + q*propQ + q*q*propSun + q*q*propTad;
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fft.FFT_all_dim(prop1, prop1, FFT::backward);
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for (unsigned int nu = 0; nu < env().getNd(); ++nu)
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@ -231,57 +230,24 @@ void TScalarVP::execute(void)
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+ q*q*(*(muPropSun_[nu]) + *(muPropTad_[nu]));
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fft.FFT_all_dim(prop2, prop2, FFT::backward);
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std::vector<ScalarField> pi_nu;
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for (unsigned int mu = 0; mu < env().getNd(); ++mu)
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{
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LOG(Message) << "Computing Pi[" << mu << "][" << nu << "]..."
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<< std::endl;
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Amu = peekLorentz(A, mu);
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ScalarField &pi_mu_nu = *(vpTensor_[mu][nu]);
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pi_mu_nu = adj(prop2)
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* (1.0 + ci*q*Amu - 0.5*q*q*Amu*Amu)
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* Cshift(prop1, mu, 1)
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* (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0);
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pi_mu_nu -= Cshift(adj(prop2), mu, 1)
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* (1.0 - ci*q*Amu - 0.5*q*q*Amu*Amu)
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* prop1
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* (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0);
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pi_mu_nu = 2.0*real(pi_mu_nu);
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vpTensor[mu][nu] = adj(prop2)
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* (1.0 + ci*q*Amu - 0.5*q*q*Amu*Amu)
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* Cshift(prop1, mu, 1)
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* (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0);
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vpTensor[mu][nu] -= Cshift(adj(prop2), mu, 1)
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* (1.0 - ci*q*Amu - 0.5*q*q*Amu*Amu)
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* prop1
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* (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0);
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vpTensor[mu][nu] = 2.0*real(vpTensor[mu][nu]);
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}
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}
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// // Momentum-space implementation
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// ScalarField propbuf1(env().getGrid()), propbuf2(env().getGrid());
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// prop1 = *GFSrc_ + q*propQ + q*q*propSun + q*q*propTad;
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// for (unsigned int nu = 0; nu < env().getNd(); ++nu)
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// {
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// peekSite(Anu0, peekLorentz(A, nu), coor0);
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// prop2 = adj(*phase_[nu])*(*GFSrc_) + q*(*(muPropQ_[nu]))
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// + q*q*(*(muPropSun_[nu]) + *(muPropTad_[nu]));
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// for (unsigned int mu = 0; mu < env().getNd(); ++mu)
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// {
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// LOG(Message) << "Computing Pi[" << mu << "][" << nu << "]..."
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// << std::endl;
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// Amu = peekLorentz(A, mu);
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// ScalarField &pi_mu_nu = *(vpTensor_[mu][nu]);
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// propbuf1 = (*phase_[mu])*prop1;
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// fft.FFT_all_dim(propbuf1, propbuf1, FFT::backward);
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// fft.FFT_all_dim(propbuf2, prop2, FFT::backward);
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// pi_mu_nu = adj(propbuf2)
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// * (1.0 + ci*q*Amu - 0.5*q*q*Amu*Amu)
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// * propbuf1
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// * (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0);
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// propbuf2 = (*phase_[mu])*prop2;
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// fft.FFT_all_dim(propbuf1, prop1, FFT::backward);
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// fft.FFT_all_dim(propbuf2, propbuf2, FFT::backward);
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// pi_mu_nu -= adj(propbuf2)
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// * (1.0 - ci*q*Amu - 0.5*q*q*Amu*Amu)
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// * propbuf1
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// * (1.0 + ci*q*Anu0 - 0.5*q*q*Anu0*Anu0);
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// pi_mu_nu = 2.0*real(pi_mu_nu);
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// }
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// }
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// OUTPUT IF NECESSARY
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if (!par().output.empty())
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{
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@ -302,7 +268,7 @@ void TScalarVP::execute(void)
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{
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for (unsigned int nu = 0; nu < env().getNd(); ++nu)
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{
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sliceSum(*(vpTensor_[mu][nu]), vecBuf, Tp);
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sliceSum(vpTensor[mu][nu], vecBuf, Tp);
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result.resize(vecBuf.size());
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for (unsigned int t = 0; t < vecBuf.size(); ++t)
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{
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@ -57,7 +57,6 @@ private:
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ScalarField *freeMomProp_, *GFSrc_,
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*prop0_;
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std::vector<ScalarField *> phase_;
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std::vector<std::vector<ScalarField *> > vpTensor_;
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EmField *A;
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};
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