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mirror of https://github.com/paboyle/Grid.git synced 2024-11-10 15:55:37 +00:00

QedFVol: Redo optimisation of charged propagator, and fix I/O bug

This commit is contained in:
James Harrison 2017-11-03 10:59:26 +00:00
parent e0f1349524
commit c645d33db5

View File

@ -151,23 +151,25 @@ void TChargedProp::execute(void)
buf = GFSrc; buf = GFSrc;
momD1(buf, fft); momD1(buf, fft);
buf = -G*buf; buf = -G*buf;
fft.FFT_all_dim(propQ, buf, FFT::backward); fft.FFT_dim(propQ, buf, env().getNd()-1, FFT::backward);
// G*momD1*G*momD1*G*F*Src (here buf = G*momD1*G*F*Src) // G*momD1*G*momD1*G*F*Src (here buf = G*momD1*G*F*Src)
buf = -buf; buf = -buf;
momD1(buf, fft); momD1(buf, fft);
propSun = G*buf; propSun = G*buf;
fft.FFT_all_dim(propSun, propSun, FFT::backward); fft.FFT_dim(propSun, propSun, env().getNd()-1, FFT::backward);
// -G*momD2*G*F*Src (momD2 = F*D2*Finv) // -G*momD2*G*F*Src (momD2 = F*D2*Finv)
buf = GFSrc; buf = GFSrc;
momD2(buf, fft); momD2(buf, fft);
buf = -G*buf; buf = -G*buf;
fft.FFT_all_dim(propTad, buf, FFT::backward); fft.FFT_dim(propTad, buf, env().getNd()-1, FFT::backward);
// full charged scalar propagator
prop = (*prop0_) + q*propQ + q*q*propSun + q*q*propTad;
// 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;
// OUTPUT IF NECESSARY // OUTPUT IF NECESSARY
if (!par().output.empty()) if (!par().output.empty())
{ {
@ -184,94 +186,59 @@ void TChargedProp::execute(void)
<< filename << "'..." << std::endl; << filename << "'..." << std::endl;
CorrWriter writer(filename); CorrWriter writer(filename);
std::vector<TComplex> vecBuf; // std::vector<TComplex> vecBuf;
std::vector<Complex> result; std::vector<Complex> result, result0, resultQ, resultSun, resultTad;
result.resize(env().getGrid()->_fdimensions[env().getNd()-1]);
result0.resize(env().getGrid()->_fdimensions[env().getNd()-1]);
resultQ.resize(env().getGrid()->_fdimensions[env().getNd()-1]);
resultSun.resize(env().getGrid()->_fdimensions[env().getNd()-1]);
resultTad.resize(env().getGrid()->_fdimensions[env().getNd()-1]);
write(writer, "charge", q); write(writer, "charge", q);
write(writer, "mass", par().mass); write(writer, "mass", par().mass);
// Write full propagator TComplex site;
buf = prop; std::vector<int> whichmom;
whichmom.resize(env().getNd());
for (unsigned int j = 0; j < env().getNd()-1; ++j) for (unsigned int j = 0; j < env().getNd()-1; ++j)
{ {
for (unsigned int momcount = 0; momcount < mom[j]; ++momcount) whichmom[j] = mom[j];
{
buf = buf*adj(*phase_[j]);
}
} }
sliceSum(buf, vecBuf, Tp);
result.resize(vecBuf.size()); for (unsigned int t = 0; t < env().getGrid()->_fdimensions[env().getNd()-1]; ++t)
for (unsigned int t = 0; t < vecBuf.size(); ++t)
{ {
result[t] = TensorRemove(vecBuf[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);
} }
write(writer, "prop", result); write(writer, "prop", result);
write(writer, "prop_0", result0);
// Write free propagator write(writer, "prop_Q", resultQ);
buf = *prop0_; write(writer, "prop_Sun", resultSun);
for (unsigned int j = 0; j < env().getNd()-1; ++j) write(writer, "prop_Tad", resultTad);
{
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) void TChargedProp::momD1(ScalarField &s, FFT &fft)