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Grid/Hadrons/Modules/MDistil/DistilVectors.hpp
Michael Marshall 4203105104 Part-way through release tidy-up
2019-04-29 18:40:38 +01:00

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MDistil/DistilVectors.hpp
Copyright (C) 2019
Author: Felix Erben <ferben@ed.ac.uk>
Author: Michael Marshall <Michael.Marshall@ed.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MDistil_DistilVectors_hpp_
#define Hadrons_MDistil_DistilVectors_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/Distil.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* DistilVectors *
* (Create rho and/or phi vectors) *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MDistil)
class DistilVectorsPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(DistilVectorsPar,
std::string, noise,
std::string, perambulator,
std::string, lapevec,
std::string, source,
std::string, sink,
bool, multiFile,
int, tsrc,
//int, nnoise,
int, LI,
int, SI,
int, TI,
int, nvec,
int, Ns,
int, Nt,
int, Nt_inv);
};
template <typename FImpl>
class TDistilVectors: public Module<DistilVectorsPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
// This is the type of perambulator I expect
using DistilPeramb = Perambulator<SpinVector, 6, sizeof(Real)>;
// constructor
TDistilVectors(const std::string name);
// destructor
virtual ~TDistilVectors(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)
virtual void Cleanup(void);
public:
// These variables contain parameters
std::string PerambulatorName;
std::string NoiseVectorName;
std::string LapEvecName;
bool bMakeSource;
bool bMakeSink;
std::string SourceName;
std::string SinkName;
int nnoise;
};
MODULE_REGISTER_TMP(DistilVectors, TDistilVectors<FIMPL>, MDistil);
/******************************************************************************
* TDistilVectors implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TDistilVectors<FImpl>::TDistilVectors(const std::string name)
: grid3d{nullptr}, grid4d{nullptr}, Module<DistilVectorsPar>(name)
{}
// destructor
template <typename FImpl>
TDistilVectors<FImpl>::~TDistilVectors(void)
{
Cleanup();
};
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TDistilVectors<FImpl>::getInput(void)
{
PerambulatorName = par().perambulator;
if( PerambulatorName.size() == 0 ) {
PerambulatorName = getName();
PerambulatorName.append( "_peramb" );
}
NoiseVectorName = par().noise;
if( NoiseVectorName.size() == 0 ) {
NoiseVectorName = PerambulatorName;
NoiseVectorName.append( "_noise" );
}
LapEvecName = par().lapevec;
if( LapEvecName.size() == 0 ) {
LapEvecName = PerambulatorName;
LapEvecName.append( "_lapevec" );
}
return { PerambulatorName, NoiseVectorName, LapEvecName };
}
template <typename FImpl>
std::vector<std::string> TDistilVectors<FImpl>::getOutput(void)
{
SourceName = par().source;
SinkName = par().sink;
bMakeSource = ( SourceName.size() > 0 );
bMakeSink = ( SinkName.size() > 0 );
if( !bMakeSource && !bMakeSink ) {
SourceName = getName();
SinkName = SourceName;
SourceName.append( "_rho" );
SinkName.append( "_phi" );
bMakeSource = true;
bMakeSink = true;
}
std::vector<std::string> out;
if( bMakeSource )
out.push_back( SourceName );
if( bMakeSink )
out.push_back( SinkName );
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TDistilVectors<FImpl>::setup(void)
{
Cleanup();
auto &noise = envGet(std::vector<Complex>, NoiseVectorName);
auto &perambulator = envGet(DistilPeramb, PerambulatorName);
// We expect the perambulator to have been created with these indices
std::array<std::string,6> sIndexNames{"Nt", "nvec", "LI", "nnoise", "Nt_inv", "SI"};
for(int i = 0; i < DistilPeramb::NumIndices; i++ )
assert( sIndexNames[i] == perambulator.IndexNames[i] && "Perambulator indices bad" );
nnoise = static_cast<int>( noise.size() );
int LI=par().LI;
int Ns=par().Ns;
int SI=par().SI;
int Nt_inv=par().Nt_inv;
if( bMakeSource )
envCreate(std::vector<FermionField>, SourceName, 1, nnoise*LI*SI*Nt_inv, envGetGrid(FermionField));
if( bMakeSink )
envCreate(std::vector<FermionField>, SinkName, 1, nnoise*LI*SI*Nt_inv, envGetGrid(FermionField));
grid4d = env().getGrid();
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd(Nd, vComplex::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
std::vector<int> simd_layout_3 = GridDefaultSimd(Nd-1, vComplex::Nsimd());
latt_size[Nd-1] = 1;
simd_layout_3.push_back( 1 );
mpi_layout[Nd-1] = 1;
grid3d = MakeLowerDimGrid(grid4d);
envTmp(LatticeSpinColourVector, "tmp2",1,LatticeSpinColourVector(grid4d));
//envTmp(LatticeColourVector, "tmp_nospin",1,LatticeColourVector(grid4d));
envTmp(LatticeSpinColourVector, "tmp3d",1,LatticeSpinColourVector(grid3d));
envTmp(LatticeColourVector, "tmp3d_nospin",1,LatticeColourVector(grid3d));
envTmp(LatticeSpinColourVector, "sink_tslice",1,LatticeSpinColourVector(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 TDistilVectors<FImpl>::Cleanup(void)
{
if( grid3d != nullptr ) {
delete grid3d;
grid3d = nullptr;
}
grid4d = nullptr;
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TDistilVectors<FImpl>::execute(void)
{
auto &noise = envGet(std::vector<Complex>, NoiseVectorName);
auto &perambulator = envGet(DistilPeramb, PerambulatorName);
auto &epack = envGet(Grid::Hadrons::EigenPack<LatticeColourVector>, LapEvecName);
envGetTmp(LatticeSpinColourVector, tmp2);
//envGetTmp(LatticeColourVector, tmp_nospin);
envGetTmp(LatticeSpinColourVector, tmp3d);
envGetTmp(LatticeColourVector, tmp3d_nospin);
envGetTmp(LatticeSpinColourVector, sink_tslice);
envGetTmp(LatticeColourVector, evec3d);
int Ntlocal = grid4d->LocalDimensions()[3];
int Ntfirst = grid4d->LocalStarts()[3];
int tsrc=par().tsrc;
int LI=par().LI;
int Ns=par().Ns;
int Nt_inv=par().Nt_inv; // TODO: No input, but define through Nt, TI
int Nt=par().Nt;
int TI=par().TI;
int nvec=par().nvec;
int SI=par().SI;
bool full_tdil=(TI==Nt);
int vecindex;
int t_inv;
if( bMakeSource ) {
auto &rho = envGet(std::vector<FermionField>, SourceName);
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 < SI; ds++) {
vecindex = inoise + nnoise * dk + nnoise * LI * ds + nnoise *LI * SI*dt;
rho[vecindex] = zero;
tmp3d_nospin = 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 += SI){
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);
rho[vecindex] += tmp2;
}
}
}
}
}
}
}
}
}
if( bMakeSink ) {
auto &phi = envGet(std::vector<FermionField>, SinkName);
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 < SI; ds++) {
vecindex = inoise + nnoise * dk + nnoise * LI * ds + nnoise *LI * SI*dt;
phi[vecindex] = zero;
for (int t = Ntfirst; t < Ntfirst + Ntlocal; t++) {
sink_tslice=zero;
for (int ivec = 0; ivec < nvec; ivec++) {
ExtractSliceLocal(evec3d,epack.evec[ivec],0,t,3);
sink_tslice += evec3d * perambulator(t, ivec, dk, inoise,dt,ds);
}
InsertSliceLocal(sink_tslice,phi[vecindex],0,t-Ntfirst,Grid::QCD::Tdir);
}
}
}
}
}
}
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MDistil_DistilVectors_hpp_
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