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Hadrons: much cleaner eigenpack implementation, to be tested

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This commit is contained in:
Antonin Portelli
2018-03-13 13:51:09 +00:00
parent 229977c955
commit f57afe2079
6 changed files with 362 additions and 219 deletions
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142
extras/Hadrons/Modules/MSolver/LocalCoherenceLanczos.hpp
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@ -31,7 +31,7 @@ See the full license in the file "LICENSE" in the top level distribution directo
#include <Grid/Hadrons/Global.hpp>
#include <Grid/Hadrons/Module.hpp>
#include <Grid/Hadrons/ModuleFactory.hpp>
#include <Grid/Hadrons/LanczosUtils.hpp>
#include <Grid/Hadrons/EigenPack.hpp>
BEGIN_HADRONS_NAMESPACE
@ -45,8 +45,7 @@ class LocalCoherenceLanczosPar: Serializable
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(LocalCoherenceLanczosPar,
std::string, action,
int, doFine,
int, doCoarse,
bool, doCoarse,
LanczosParams, fineParams,
LanczosParams, coarseParams,
ChebyParams, smoother,
@ -63,8 +62,8 @@ public:
typedef LocalCoherenceLanczos<typename FImpl::SiteSpinor,
typename FImpl::SiteComplex,
nBasis> LCL;
typedef FineEigenPack<FImpl> FinePack;
typedef CoarseEigenPack<FImpl, nBasis> CoarsePack;
typedef FermionEigenPack<FImpl> BasePack;
typedef CoarseFermionEigenPack<FImpl, nBasis> CoarsePack;
typedef HADRONS_DEFAULT_SCHUR_OP<FMat, FermionField> SchurFMat;
public:
// constructor
@ -79,15 +78,7 @@ public:
// execution
virtual void execute(void);
private:
void makeCoarseGrid(void);
private:
std::vector<int> coarseDim_;
int Ls_, cLs_{1};
std::unique_ptr<GridCartesian> coarseGrid4_{nullptr};
std::unique_ptr<GridCartesian> coarseGrid_{nullptr};
std::unique_ptr<GridRedBlackCartesian> coarseGrid4Rb_{nullptr};
std::unique_ptr<GridRedBlackCartesian> coarseGridRb_{nullptr};
std::string fineName_, coarseName_;
std::string fineName_, coarseName_;
};
MODULE_REGISTER_NS(LocalCoherenceLanczos,
@ -127,55 +118,6 @@ std::vector<std::string> TLocalCoherenceLanczos<FImpl, nBasis>::getOutput(void)
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl, int nBasis>
void TLocalCoherenceLanczos<FImpl, nBasis>::makeCoarseGrid(void)
{
int nd = env().getNd();
std::vector<int> blockSize = strToVec<int>(par().blockSize);
auto fineDim = env().getDim();
Ls_ = env().getObjectLs(par().action);
env().createGrid(Ls_);
coarseDim_.resize(nd);
for (int d = 0; d < coarseDim_.size(); d++)
{
coarseDim_[d] = fineDim[d]/blockSize[d];
if (coarseDim_[d]*blockSize[d] != fineDim[d])
{
HADRON_ERROR(Size, "Fine dimension " + std::to_string(d)
+ " (" + std::to_string(fineDim[d])
+ ") not divisible by coarse dimension ("
+ std::to_string(coarseDim_[d]) + ")");
}
}
if (blockSize.size() > nd)
{
cLs_ = Ls_/blockSize[nd];
if (cLs_*blockSize[nd] != Ls_)
{
HADRON_ERROR(Size, "Fine Ls (" + std::to_string(Ls_)
+ ") not divisible by coarse Ls ("
+ std::to_string(cLs_) + ")");
}
}
if (Ls_ > 1)
{
coarseGrid4_.reset(SpaceTimeGrid::makeFourDimGrid(
coarseDim_, GridDefaultSimd(nd, vComplex::Nsimd()),
GridDefaultMpi()));
coarseGrid4Rb_.reset(SpaceTimeGrid::makeFourDimRedBlackGrid(coarseGrid4_.get()));
coarseGrid_.reset(SpaceTimeGrid::makeFiveDimGrid(cLs_, coarseGrid4_.get()));
coarseGridRb_.reset(SpaceTimeGrid::makeFiveDimRedBlackGrid(cLs_, coarseGrid4_.get()));
}
else
{
coarseGrid_.reset(SpaceTimeGrid::makeFourDimGrid(
coarseDim_, GridDefaultSimd(nd, vComplex::Nsimd()),
GridDefaultMpi()));
coarseGridRb_.reset(SpaceTimeGrid::makeFourDimRedBlackGrid(coarseGrid_.get()));
}
}
template <typename FImpl, int nBasis>
void TLocalCoherenceLanczos<FImpl, nBasis>::setup(void)
{
@ -183,19 +125,25 @@ void TLocalCoherenceLanczos<FImpl, nBasis>::setup(void)
<< " action '" << par().action << "' (" << nBasis
<< " eigenvectors)..." << std::endl;
if (!coarseGrid_)
{
makeCoarseGrid();
}
LOG(Message) << "Coarse grid: " << coarseGrid_->GlobalDimensions() << std::endl;
envCreate(FinePack, fineName_, Ls_, par().fineParams.Nm, env().getRbGrid(Ls_));
envCreate(CoarsePack, coarseName_, Ls_, par().coarseParams.Nm, coarseGridRb_.get());
auto &fine = envGet(FinePack, fineName_);
auto &coarse = envGet(CoarsePack, coarseName_);
envTmp(SchurFMat, "mat", Ls_, envGet(FMat, par().action));
unsigned int Ls = env().getObjectLs(par().action);
auto blockSize = strToVec<int>(par().blockSize);
env().createCoarseGrid(blockSize, Ls);
auto cg = env().getCoarseGrid(blockSize, Ls);
auto cgrb = env().getRbCoarseGrid(blockSize, Ls);
int cNm = (par().doCoarse) ? par().coarseParams.Nm : 0;
LOG(Message) << "Coarse grid: " << cg->GlobalDimensions() << std::endl;
envCreateDerived(BasePack, CoarsePack, getName(), Ls,
par().fineParams.Nm, cNm, env().getRbGrid(Ls), cgrb);
auto &epack = envGet(CoarsePack, getName());
envTmp(SchurFMat, "mat", Ls, envGet(FMat, par().action));
envGetTmp(SchurFMat, mat);
envTmp(LCL, "solver", Ls_, env().getRbGrid(Ls_), coarseGridRb_.get(), mat,
Odd, fine.evec, coarse.evec, fine.eval, coarse.eval);
envTmp(LCL, "solver", Ls, env().getRbGrid(Ls), cgrb, mat,
Odd, epack.evec, epack.evecCoarse, epack.eval, epack.evalCoarse);
}
// execution ///////////////////////////////////////////////////////////////////
@ -204,41 +152,33 @@ void TLocalCoherenceLanczos<FImpl, nBasis>::execute(void)
{
auto &finePar = par().fineParams;
auto &coarsePar = par().coarseParams;
auto &fine = envGet(FinePack, fineName_);
auto &coarse = envGet(CoarsePack, coarseName_);
auto &epack = envGet(CoarsePack, getName());
envGetTmp(LCL, solver);
if (par().doFine)
{
LOG(Message) << "Performing fine grid IRL -- Nstop= "
<< finePar.Nstop << ", Nk= " << finePar.Nk << ", Nm= "
<< finePar.Nm << std::endl;
solver.calcFine(finePar.Cheby, finePar.Nstop, finePar.Nk, finePar.Nm,
finePar.resid,finePar.MaxIt, finePar.betastp,
finePar.MinRes);
solver.testFine(finePar.resid*100.0);
LOG(Message) << "Orthogonalising" << std::endl;
solver.Orthogonalise();
if (!par().output.empty())
{
fine.write(par().output + "_fine");
}
}
LOG(Message) << "Performing fine grid IRL -- Nstop= "
<< finePar.Nstop << ", Nk= " << finePar.Nk << ", Nm= "
<< finePar.Nm << std::endl;
solver.calcFine(finePar.Cheby, finePar.Nstop, finePar.Nk, finePar.Nm,
finePar.resid,finePar.MaxIt, finePar.betastp,
finePar.MinRes);
solver.testFine(finePar.resid*100.0);
if (par().doCoarse)
{
LOG(Message) << "Orthogonalising" << std::endl;
solver.Orthogonalise();
LOG(Message) << "Performing coarse grid IRL -- Nstop= "
<< coarsePar.Nstop << ", Nk= " << coarsePar.Nk << ", Nm= "
<< coarsePar.Nm << std::endl;
<< coarsePar.Nstop << ", Nk= " << coarsePar.Nk << ", Nm= "
<< coarsePar.Nm << std::endl;
solver.calcCoarse(coarsePar.Cheby, par().smoother, par().coarseRelaxTol,
coarsePar.Nstop, coarsePar.Nk, coarsePar.Nm,
coarsePar.Nstop, coarsePar.Nk, coarsePar.Nm,
coarsePar.resid, coarsePar.MaxIt, coarsePar.betastp,
coarsePar.MinRes);
solver.testCoarse(coarsePar.resid*100.0, par().smoother,
par().coarseRelaxTol);
if (!par().output.empty())
{
coarse.write(par().output + "_coarse");
}
par().coarseRelaxTol);
}
if (!par().output.empty())
{
epack.write(par().output, vm().getTrajectory());
}
}