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Grid/Hadrons/Modules/MDistil/PerambLight.hpp

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#ifndef Hadrons_MDistil_PerambLight_hpp_
#define Hadrons_MDistil_PerambLight_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
#include <Hadrons/Solver.hpp>
#include <Hadrons/EigenPack.hpp>
#include <Hadrons/A2AVectors.hpp>
#include <Hadrons/DilutedNoise.hpp>
// These are members of Distillation
#include <Hadrons/Modules/MDistil/Distil.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* PerambLight *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MDistil)
struct DistilParameters: Serializable {
GRID_SERIALIZABLE_CLASS_MEMBERS(DistilParameters,
int, TI,
int, LI,
int, nnoise,
int, tsrc,
int, SI,
int, Ns,
int, Nt,
int, Nt_inv)
DistilParameters() = default;
template <class ReaderClass> DistilParameters(Reader<ReaderClass>& Reader){read(Reader,"Distil",*this);}
};
struct SolverParameters: Serializable {
GRID_SERIALIZABLE_CLASS_MEMBERS(SolverParameters,
double, CGPrecision,
int, MaxIterations,
double, mass,
double, M5)
SolverParameters() = default;
template <class ReaderClass> SolverParameters(Reader<ReaderClass>& Reader){read(Reader,"Solver",*this);}
};
class PerambLightPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(PerambLightPar,
std::string, eigenPack,
std::string, PerambFileName,
bool, multiFile,
int, nvec,
int, Ls, // For makeFiveDimGrid
DistilParameters, Distil,
SolverParameters, Solver);
};
template <typename FImpl>
class TPerambLight: public Module<PerambLightPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
// constructor
TPerambLight(const std::string name);
// destructor
virtual ~TPerambLight(void);
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
protected:
// These variables are created in setup() and freed in Cleanup()
GridCartesian * grid3d; // Owned by me, so I must delete it
GridCartesian * grid4d; // Owned by environment (so I won't delete it)
protected:
virtual void Cleanup(void);
};
MODULE_REGISTER_TMP(PerambLight, TPerambLight<FIMPL>, MDistil);
/******************************************************************************
* TPerambLight implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TPerambLight<FImpl>::TPerambLight(const std::string name)
: grid3d{nullptr}, grid4d{nullptr}, Module<PerambLightPar>(name)
{}
// destructor
template <typename FImpl>
TPerambLight<FImpl>::~TPerambLight(void)
{
Cleanup();
};
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TPerambLight<FImpl>::getInput(void)
{
std::vector<std::string> in;
in.push_back(par().eigenPack);
return in;
}
template <typename FImpl>
std::vector<std::string> TPerambLight<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName() + "_perambulator_light",getName() + "_noise",getName() + "_unsmeared_sink"};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TPerambLight<FImpl>::setup(void)
{
Cleanup();
// auto &noise = envGet(std::vector<std::vector<std::vector<SpinVector>>>, par().noise);
const int nvec{par().nvec};
const DistilParameters & Distil{par().Distil};
const int LI{Distil.LI};
const int nnoise{Distil.nnoise};
const int Nt_inv{Distil.Nt_inv}; // TODO: PROBABLY BETTER: if (full_tdil) Nt_inv=1; else Nt_inv = TI;
const int Ns{Distil.Ns};
std::array<std::string,6> sIndexNames{"Nt", "nvec", "LI", "nnoise", "Nt_inv", "SI"};
//std::complex<double> z{0.6,-3.1};
//envCreate(std::string, getName() + "_debug_delete_me", 1, "Bingonuts");
//envCreate(std::complex<double>, getName() + "_debug_delete_me_2", 1, 0.6);
//envCreate(std::complex<double>, getName() + "_debug_delete_me_3", 1, z);
//envCreate(std::complex<double>, getName() + "_debug_delete_me_4", 1, {0.6 COMMA -3.1});
//envCreate(std::array<std::string COMMA 3>, getName() + "_debug_delete_me_5", 1, {"One" COMMA "Two" COMMA "Three"});
envCreate(Perambulator<SpinVector COMMA Real COMMA 6>, getName() + "_perambulator_light", 1,
sIndexNames,Distil.Nt,nvec,Distil.LI,Distil.nnoise,Distil.Nt_inv,Distil.SI);
envCreate(std::vector<Complex>, getName() + "_noise", 1,
nvec*Distil.Ns*Distil.Nt*Distil.nnoise);
envCreate(std::vector<FermionField>, getName() + "_unsmeared_sink", 1,
nnoise*LI*Ns*Nt_inv, envGetGrid(FermionField));
grid4d = env().getGrid();
grid3d = MakeLowerDimGrid(grid4d);//new GridCartesian(latt_size,simd_layout_3,mpi_layout,*grid4d);
envTmpLat(GaugeField, "Umu");
envTmpLat(LatticeSpinColourVector, "dist_source");
envTmpLat(LatticeSpinColourVector, "tmp2");
envTmpLat(LatticeSpinColourVector, "result");
//envTmpLat(LatticeSpinColourVector, "result_single_component");
envTmpLat(LatticeColourVector, "result_nospin");
//envTmpLat(LatticeColourVector, "tmp_nospin");
//envTmpLat(LatticeSpinVector, "peramb_tmp");
envTmp(LatticeSpinColourVector, "tmp3d",1,LatticeSpinColourVector(grid3d));
envTmp(LatticeColourVector, "tmp3d_nospin",1,LatticeColourVector(grid3d));
envTmp(LatticeColourVector, "result_3d",1,LatticeColourVector(grid3d));
envTmp(LatticeColourVector, "evec3d",1,LatticeColourVector(grid3d));
}
// clean up any temporaries created by setup (that aren't stored in the environment)
template <typename FImpl>
void TPerambLight<FImpl>::Cleanup(void)
{
if( grid3d != nullptr ) {
delete grid3d;
grid3d = nullptr;
}
grid4d = nullptr;
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TPerambLight<FImpl>::execute(void)
{
const int nvec{par().nvec};
const DistilParameters & Distil{par().Distil};
const SolverParameters & Solver{par().Solver};
const int LI{Distil.LI};
//const int SI{Distil.SI};
const int TI{Distil.TI};
const int nnoise{Distil.nnoise};
const int Nt{Distil.Nt};
const int Nt_inv{Distil.Nt_inv}; // TODO: PROBABLY BETTER: if (full_tdil) Nt_inv=1; else Nt_inv = TI;
const int tsrc{Distil.tsrc};
const int Ns{Distil.Ns};
const bool full_tdil{TI==Nt};
const bool exact_distillation{full_tdil && LI==nvec};
//auto &noise = envGet(std::vector<std::vector<std::vector<SpinVector>>>, par().noise);
auto &noise = envGet(std::vector<Complex>, getName() + "_noise");
auto &perambulator = envGet(Perambulator<SpinVector COMMA Real COMMA 6>, getName() + "_perambulator_light");
auto &epack = envGet(Grid::Hadrons::EigenPack<LatticeColourVector>, par().eigenPack);
auto &unsmeared_sink = envGet(std::vector<FermionField>, getName() + "_unsmeared_sink");
envGetTmp(GaugeField, Umu);
FieldMetaData header;
if((1)){
const std::vector<int> seeds({1, 2, 3, 4, 5});
GridParallelRNG pRNG4d(grid4d);
pRNG4d.SeedFixedIntegers(seeds);
std::cout << GridLogMessage << "now hot config" << std::endl;
SU<Nc>::HotConfiguration(pRNG4d, Umu);
std::cout << GridLogMessage << "hot cfg done." << std::endl;
// Set up the SAME gauge field on every time plane
// int Nt = grid4d->gDimensions()[Tdir];
Grid_unquiesce_nodes();
auto Usft = Umu;
Lattice<iScalar<vInteger> > coor(grid4d);
LatticeCoordinate(coor,Tdir);
for(int t=1;t<Nt;t++){
// t=1
// Umu Usft
// 0,1,2,3,4,5,6,7 -> 7,0,1,2,3,4,5,6 t=1
// 0,0,2,3,4,5,6,7 6,7,0,1,2,3,4,5 t=2
// 0,0,0,3,4,5,6,7 5,6,7,0,1,2,3,4 t=3
//...
Usft = Cshift(Usft,Tdir,-1);
Umu = where(coor==t,Usft,Umu);
}
} else {
std::string fileName( "/home/dp008/dp008/dc-rich6/Scripts/ConfigsDeflQED/ckpoint_lat.3000" );
std::cout << GridLogMessage << "Loading NERSC configuration from '" << fileName << "'" << std::endl;
NerscIO::readConfiguration(Umu, header, fileName);
std::cout << GridLogMessage << "reading done." << std::endl;
}
//Create Noises
//std::cout << pszGaugeConfigFile << std::endl;
//GridSerialRNG sRNG; sRNG.SeedUniqueString(std::string(pszGaugeConfigFile));
GridSerialRNG sRNG; sRNG.SeedUniqueString("unique_string"); // TODO: Proper unique string. Include quark mass, gauge field? Maybe also nvec, but in a way that more nvec would only add noises, not change all of them???
Real rn;
for (int inoise=0;inoise<nnoise;inoise++) {
for (int t=0;t<Nt;t++) {
for (int ivec=0;ivec<nvec;ivec++) {
for (int is=0;is<Ns;is++) {
if (exact_distillation)
noise[inoise + nnoise*(t + Nt*(ivec+nvec*is))] = 1.;
//noises[inoise][t][ivec]()(is)() = 1.;
else{
random(sRNG,rn);
// We could use a greater number of complex roots of unity
// ... but this seems to work well
noise[inoise + nnoise*(t + Nt*(ivec+nvec*is))] = (rn > 0.5) ? -1 : 1;
}
}
}
}
}
// Load perambulator if it exists on disk instead of creating it
const std::string &PerambFileName{par().PerambFileName};
if( PerambFileName.length() ){
bool bExists = false;
{
std::ifstream f(PerambFileName, std::ios::binary);
if( f.is_open() )
bExists = true;
}
if( bExists ) {
perambulator.ReadBinary(PerambFileName);
return;
}
}
envGetTmp(LatticeSpinColourVector, dist_source);
envGetTmp(LatticeSpinColourVector, tmp2);
envGetTmp(LatticeSpinColourVector, result);
//envGetTmp(LatticeSpinColourVector, result_single_component);
envGetTmp(LatticeColourVector, result_nospin);
//envGetTmp(LatticeColourVector, tmp_nospin);
//envGetTmp(LatticeSpinVector, peramb_tmp);
envGetTmp(LatticeSpinColourVector, tmp3d);
envGetTmp(LatticeColourVector, tmp3d_nospin);
envGetTmp(LatticeColourVector, result_3d);
envGetTmp(LatticeColourVector, evec3d);
const int Ntlocal{grid4d->LocalDimensions()[3]};
const int Ntfirst{grid4d->LocalStarts()[3]};
const Real mass{Solver.mass};
const Real M5 {Solver.M5};
std::cout << "init RBG " << std::endl;
GridRedBlackCartesian RBGrid(grid4d);
std::cout << "init RBG done" << std::endl;
const int Ls{par().Ls};
const double CGPrecision{Solver.CGPrecision};
const int MaxIterations {Solver.MaxIterations};
{
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,grid4d);
GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,grid4d);
typedef DomainWallFermionR FermionAction;
FermionAction Dop(Umu,*FGrid,*FrbGrid,*grid4d,RBGrid,mass,M5);
MdagMLinearOperator<FermionAction,LatticeFermion> HermOp(Dop);
ConjugateGradient<LatticeFermion> CG(CGPrecision,MaxIterations);
SchurRedBlackDiagMooeeSolve<LatticeFermion> SchurSolver(CG);
int t_inv;
for (int inoise = 0; inoise < nnoise; inoise++) {
for (int dk = 0; dk < LI; dk++) {
for (int dt = 0; dt < Nt_inv; dt++) {
for (int ds = 0; ds < Ns; ds++) {
std::cout << "LapH source vector from noise " << inoise << " and dilution component (d_k,d_t,d_alpha) : (" << dk << ","<< dt << "," << ds << ")" << std::endl;
dist_source = zero;
tmp3d_nospin = zero;
evec3d = zero;
for (int it = dt; it < Nt; it += TI){
if (full_tdil) t_inv = tsrc; else t_inv = it;
if( t_inv >= Ntfirst && t_inv < Ntfirst + Ntlocal ) {
for (int ik = dk; ik < nvec; ik += LI){
for (int is = ds; is < Ns; is += Ns){ // TODO: Also allow non-full spin dilution (re-define exact_distillation?)
ExtractSliceLocal(evec3d,epack.evec[ik],0,t_inv,3);
tmp3d_nospin = evec3d * noise[inoise + nnoise*(t_inv + Nt*(ik+nvec*is))];
tmp3d=zero;
pokeSpin(tmp3d,tmp3d_nospin,is);
tmp2=zero;
InsertSliceLocal(tmp3d,tmp2,0,t_inv-Ntfirst,Grid::QCD::Tdir);
dist_source += tmp2;
}
}
}
}
std::cout << "Inversion for noise " << inoise << " and dilution component (d_k,d_t,d_alpha) : (" << dk << ","<< dt << "," << ds << ")" << std::endl;
result=zero;
LatticeFermion src5(FGrid);
LatticeFermion sol5(FGrid);
Dop.ImportPhysicalFermionSource(dist_source,src5);
SchurSolver(Dop,src5,sol5);
Dop.ExportPhysicalFermionSolution(sol5,result); //These are the meson sinks
if ((1)) // comment out if unsmeared sink is too large???
unsmeared_sink[inoise+nnoise*(dk+LI*(dt+Nt_inv*ds))] = result;
std::cout << "Contraction of perambulator from noise " << inoise << " and dilution component (d_k,d_t,d_alpha) : (" << dk << ","<< dt << "," << ds << ")" << std::endl;
for (int is = 0; is < Ns; is++) {
result_nospin = peekSpin(result,is);
for (int t = Ntfirst; t < Ntfirst + Ntlocal; t++) {
ExtractSliceLocal(result_3d,result_nospin,0,t-Ntfirst,Grid::QCD::Tdir);
for (int ivec = 0; ivec < nvec; ivec++) {
ExtractSliceLocal(evec3d,epack.evec[ivec],0,t,3);
pokeSpin(perambulator(t, ivec, dk, inoise,dt,ds),innerProduct(evec3d, result_3d),is);
std::cout << "perambulator(t, ivec, dk, inoise,dt,ds)(is) = (" << t << "," << ivec << "," << dk << "," << inoise << "," << dt << "," << ds << ")(" << is << ") = " << perambulator(t, ivec, dk, inoise,dt,ds)()(is)() << std::endl;
}
}
}
}
}
}
}
// Kill our 5 dimensional grid (avoid leaks). Should really declare these objects temporary
delete FrbGrid;
delete FGrid;
}
std::cout << "perambulator done" << std::endl;
perambulator.SliceShare( grid3d, grid4d );
// THIS IS WHERE WE WANT TO SAVE THE PERAMBULATORS TO DISK
if(PerambFileName.length())
perambulator.WriteBinary(PerambFileName);
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MDistil_PerambLight_hpp_
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