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QedFVol: remove unnecessary copies of free propagator from shifted sources in ScalarVP

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This commit is contained in:
James Harrison 2017-04-27 14:17:50 +01:00
parent bd466a55a8
commit 3ac27e5596
2 changed files with 8 additions and 55 deletions
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57
extras/Hadrons/Modules/MScalar/ScalarVP.cc
View File

@ -48,16 +48,12 @@ void TScalarVP::setup(void)
propTadName_ = getName() + "_propTad";
phaseName_.clear();
muGFSrcName_.clear();
muProp0Name_.clear();
muPropQName_.clear();
muPropSunName_.clear();
muPropTadName_.clear();
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
phaseName_.push_back("_shiftphase_" + std::to_string(mu));
muGFSrcName_.push_back("_" + getName() + "_DinvSrc_" + std::to_string(mu));
muProp0Name_.push_back(getName() + "_prop0_" + std::to_string(mu));
muPropQName_.push_back(getName() + "_propQ_" + std::to_string(mu));
muPropSunName_.push_back(getName() + "_propSun_" + std::to_string(mu));
muPropTadName_.push_back(getName() + "_propTad_" + std::to_string(mu));
@ -78,24 +74,10 @@ void TScalarVP::setup(void)
{
env().registerLattice<ScalarField>(GFSrcName_);
}
if (!env().hasRegisteredObject(muGFSrcName_[0]))
{
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
env().registerLattice<ScalarField>(muGFSrcName_[mu]);
}
}
if (!env().hasRegisteredObject(prop0Name_))
{
env().registerLattice<ScalarField>(prop0Name_);
}
if (!env().hasRegisteredObject(muProp0Name_[0]))
{
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
env().registerLattice<ScalarField>(muProp0Name_[mu]);
}
}
env().registerLattice<ScalarField>(propQName_);
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
@ -168,23 +150,6 @@ void TScalarVP::execute(void)
{
GFSrc_ = env().getObject<ScalarField>(GFSrcName_);
}
// cache G*exp(i*k_mu)*F*src
if (!env().hasCreatedObject(muGFSrcName_[0]))
{
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
muGFSrc_.push_back(env().createLattice<ScalarField>(muGFSrcName_[mu]));
fft.FFT_all_dim(*(muGFSrc_[mu]), source, FFT::forward);
*(muGFSrc_[mu]) = (*freeMomProp_)*(*phase_[mu])*(*muGFSrc_[mu]);
}
}
else
{
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
muGFSrc_.push_back(env().getObject<ScalarField>(muGFSrcName_[mu]));
}
}
// cache position-space free scalar propagators
if (!env().hasCreatedObject(prop0Name_))
{
@ -195,21 +160,6 @@ void TScalarVP::execute(void)
{
prop0_ = env().getObject<ScalarField>(prop0Name_);
}
if (!env().hasCreatedObject(muProp0Name_[0]))
{
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
muProp0_.push_back(env().createLattice<ScalarField>(muProp0Name_[mu]));
fft.FFT_all_dim(*(muProp0_[mu]), *(muGFSrc_[mu]), FFT::backward);
}
}
else
{
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
muProp0_.push_back(env().getObject<ScalarField>(muProp0Name_[mu]));
}
}
// PROPAGATOR CALCULATION
// Propagator from unshifted source
@ -220,15 +170,18 @@ void TScalarVP::execute(void)
// Propagators from shifted sources
std::vector<ScalarField *> muPropQ_, muPropSun_, muPropTad_;
ScalarField buf(env().getGrid());
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
muPropQ_.push_back(env().createLattice<ScalarField>(muPropQName_[mu]));
muPropSun_.push_back(env().createLattice<ScalarField>(muPropSunName_[mu]));
muPropTad_.push_back(env().createLattice<ScalarField>(muPropTadName_[mu]));
buf = adj(*phase_[mu])*(*GFSrc_);
chargedProp(*(muPropQ_[mu]), *(muPropSun_[mu]), *(muPropTad_[mu]),
*(muGFSrc_[mu]), fft);
buf, fft);
}
}
// Calculate O(q) and O(q^2) terms of momentum-space charged propagator

6
extras/Hadrons/Modules/MScalar/ScalarVP.hpp
View File

@ -50,10 +50,10 @@ private:
private:
std::string freeMomPropName_, GFSrcName_, prop0Name_,
propQName_, propSunName_, propTadName_;
std::vector<std::string> phaseName_, muGFSrcName_, muProp0Name_,
muPropQName_, muPropSunName_, muPropTadName_;
std::vector<std::string> phaseName_, muPropQName_, muPropSunName_,
muPropTadName_;
ScalarField *freeMomProp_, *GFSrc_, *prop0_;
std::vector<ScalarField *> phase_, muGFSrc_, muProp0_;
std::vector<ScalarField *> phase_;
EmField *A;
};