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QedFVol: Undo optimisation of charged propagator

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This commit is contained in:
James Harrison 2017-11-03 09:22:41 +00:00
parent 79b761f923
commit e0f1349524
1 changed files with 82 additions and 49 deletions
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131
extras/Hadrons/Modules/MScalar/ChargedProp.cc
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@ -151,25 +151,23 @@ void TChargedProp::execute(void)
buf = GFSrc;
momD1(buf, fft);
buf = -G*buf;
fft.FFT_dim(propQ, buf, env().getNd()-1, FFT::backward);
fft.FFT_all_dim(propQ, buf, FFT::backward);
// G*momD1*G*momD1*G*F*Src (here buf = G*momD1*G*F*Src)
buf = -buf;
momD1(buf, fft);
propSun = G*buf;
fft.FFT_dim(propSun, propSun, env().getNd()-1, FFT::backward);
fft.FFT_all_dim(propSun, propSun, FFT::backward);
// -G*momD2*G*F*Src (momD2 = F*D2*Finv)
buf = GFSrc;
momD2(buf, fft);
buf = -G*buf;
fft.FFT_dim(propTad, buf, env().getNd()-1, FFT::backward);
// full charged scalar propagator
buf = GFSrc;
fft.FFT_dim(buf, buf, env().getNd()-1, FFT::backward);
prop = buf + q*propQ + q*q*propSun + q*q*propTad;
fft.FFT_all_dim(propTad, buf, FFT::backward);
// full charged scalar propagator
prop = (*prop0_) + q*propQ + q*q*propSun + q*q*propTad;
// OUTPUT IF NECESSARY
if (!par().output.empty())
{
@ -186,59 +184,94 @@ void TChargedProp::execute(void)
<< filename << "'..." << std::endl;
CorrWriter writer(filename);
// std::vector<TComplex> vecBuf;
std::vector<Complex> result, result0, resultQ, resultSun, resultTad;
result.resize(env().getGrid()->_ldimensions[env().getNd()-1]);
result0.resize(env().getGrid()->_ldimensions[env().getNd()-1]);
resultQ.resize(env().getGrid()->_ldimensions[env().getNd()-1]);
resultSun.resize(env().getGrid()->_ldimensions[env().getNd()-1]);
resultTad.resize(env().getGrid()->_ldimensions[env().getNd()-1]);
std::vector<TComplex> vecBuf;
std::vector<Complex> result;
write(writer, "charge", q);
write(writer, "mass", par().mass);
TComplex site;
std::vector<int> whichmom;
whichmom.resize(env().getNd());
// Write full propagator
buf = prop;
for (unsigned int j = 0; j < env().getNd()-1; ++j)
{
whichmom[j] = mom[j];
for (unsigned int momcount = 0; momcount < mom[j]; ++momcount)
{
buf = buf*adj(*phase_[j]);
}
}
for (unsigned int t = 0; t < env().getGrid()->_ldimensions[env().getNd()-1]; ++t)
sliceSum(buf, vecBuf, Tp);
result.resize(vecBuf.size());
for (unsigned int t = 0; t < vecBuf.size(); ++t)
{
whichmom[env().getNd()-1] = t;
// Write full propagator
peekSite(site, prop, whichmom);
result[t]=TensorRemove(site);
// Write free propagator
peekSite(site, buf, whichmom);
result0[t]=TensorRemove(site);
// Write propagator O(q) term
peekSite(site, propQ, whichmom);
resultQ[t]=TensorRemove(site);
// Write propagator sunset term
peekSite(site, propSun, whichmom);
resultSun[t]=TensorRemove(site);
// Write propagator tadpole term
peekSite(site, propTad, whichmom);
resultTad[t]=TensorRemove(site);
result[t] = TensorRemove(vecBuf[t]);
}
write(writer, "prop", result);
write(writer, "prop_0", result0);
write(writer, "prop_Q", resultQ);
write(writer, "prop_Sun", resultSun);
write(writer, "prop_Tad", resultTad);
// Write free propagator
buf = *prop0_;
for (unsigned int j = 0; j < env().getNd()-1; ++j)
{
for (unsigned int momcount = 0; momcount < mom[j]; ++momcount)
{
buf = buf*adj(*phase_[j]);
}
}
sliceSum(buf, vecBuf, Tp);
for (unsigned int t = 0; t < vecBuf.size(); ++t)
{
result[t] = TensorRemove(vecBuf[t]);
}
write(writer, "prop_0", result);
// Write propagator O(q) term
buf = propQ;
for (unsigned int j = 0; j < env().getNd()-1; ++j)
{
for (unsigned int momcount = 0; momcount < mom[j]; ++momcount)
{
buf = buf*adj(*phase_[j]);
}
}
sliceSum(buf, vecBuf, Tp);
for (unsigned int t = 0; t < vecBuf.size(); ++t)
{
result[t] = TensorRemove(vecBuf[t]);
}
write(writer, "prop_Q", result);
// Write propagator sunset term
buf = propSun;
for (unsigned int j = 0; j < env().getNd()-1; ++j)
{
for (unsigned int momcount = 0; momcount < mom[j]; ++momcount)
{
buf = buf*adj(*phase_[j]);
}
}
sliceSum(buf, vecBuf, Tp);
for (unsigned int t = 0; t < vecBuf.size(); ++t)
{
result[t] = TensorRemove(vecBuf[t]);
}
write(writer, "prop_Sun", result);
// Write propagator tadpole term
buf = propTad;
for (unsigned int j = 0; j < env().getNd()-1; ++j)
{
for (unsigned int momcount = 0; momcount < mom[j]; ++momcount)
{
buf = buf*adj(*phase_[j]);
}
}
sliceSum(buf, vecBuf, Tp);
for (unsigned int t = 0; t < vecBuf.size(); ++t)
{
result[t] = TensorRemove(vecBuf[t]);
}
write(writer, "prop_Tad", result);
}
}
std::vector<int> mask(env().getNd(),1);
mask[env().getNd()-1] = 0;
fft.FFT_dim_mask(prop, prop, mask, FFT::backward);
fft.FFT_dim_mask(propQ, propQ, mask, FFT::backward);
fft.FFT_dim_mask(propSun, propSun, mask, FFT::backward);
fft.FFT_dim_mask(propTad, propTad, mask, FFT::backward);
}
void TChargedProp::momD1(ScalarField &s, FFT &fft)