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Debugged staggered conventions
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paboyle
364
tests/qdpxx/Test_qdpxx_stag.cc
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364
tests/qdpxx/Test_qdpxx_stag.cc
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/qdpxx/Test_qdpxx_munprec.cc
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Copyright (C) 2015
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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Author: paboyle <paboyle@ph.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#include <Grid/Grid.h>
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double mq=0.1;
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typedef Grid::QCD::StaggeredImplR::FermionField FermionField;
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typedef Grid::QCD::LatticeGaugeField GaugeField;
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void make_gauge (GaugeField & lat, FermionField &src);
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void calc_grid (GaugeField & lat, GaugeField & uthin,GaugeField & ufat, FermionField &src, FermionField &res,int dag);
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void calc_chroma (GaugeField & lat,GaugeField & uthin,GaugeField & ufat, FermionField &src, FermionField &res,int dag);
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#include <chroma.h>
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#include <actions/ferm/invert/syssolver_linop_cg_array.h>
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#include <actions/ferm/invert/syssolver_linop_aggregate.h>
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namespace Chroma {
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class ChromaWrapper {
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public:
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typedef multi1d<LatticeColorMatrix> U;
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typedef LatticeStaggeredFermion T4;
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static void ImportGauge(GaugeField & gr,
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QDP::multi1d<QDP::LatticeColorMatrix> & ch)
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{
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Grid::QCD::LorentzColourMatrix LCM;
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Grid::Complex cc;
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QDP::ColorMatrix cm;
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QDP::Complex c;
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std::vector<int> x(4);
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QDP::multi1d<int> cx(4);
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std::vector<int> gd= gr._grid->GlobalDimensions();
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for (x[0]=0;x[0]<gd[0];x[0]++){
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for (x[1]=0;x[1]<gd[1];x[1]++){
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for (x[2]=0;x[2]<gd[2];x[2]++){
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for (x[3]=0;x[3]<gd[3];x[3]++){
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cx[0] = x[0];
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cx[1] = x[1];
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cx[2] = x[2];
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cx[3] = x[3];
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Grid::peekSite(LCM,gr,x);
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for(int mu=0;mu<4;mu++){
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for(int i=0;i<3;i++){
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for(int j=0;j<3;j++){
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cc = LCM(mu)()(i,j);
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c = QDP::cmplx(QDP::Real(real(cc)),QDP::Real(imag(cc)));
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QDP::pokeColor(cm,c,i,j);
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}}
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QDP::pokeSite(ch[mu],cm,cx);
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}
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}}}}
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}
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static void ExportGauge(GaugeField & gr,
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QDP::multi1d<QDP::LatticeColorMatrix> & ch)
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{
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Grid::QCD::LorentzColourMatrix LCM;
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Grid::Complex cc;
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QDP::ColorMatrix cm;
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QDP::Complex c;
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std::vector<int> x(4);
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QDP::multi1d<int> cx(4);
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std::vector<int> gd= gr._grid->GlobalDimensions();
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for (x[0]=0;x[0]<gd[0];x[0]++){
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for (x[1]=0;x[1]<gd[1];x[1]++){
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for (x[2]=0;x[2]<gd[2];x[2]++){
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for (x[3]=0;x[3]<gd[3];x[3]++){
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cx[0] = x[0];
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cx[1] = x[1];
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cx[2] = x[2];
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cx[3] = x[3];
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for(int mu=0;mu<4;mu++){
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for(int i=0;i<3;i++){
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for(int j=0;j<3;j++){
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cm = QDP::peekSite(ch[mu],cx);
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c = QDP::peekColor(cm,i,j);
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cc = Grid::Complex(toDouble(real(c)),toDouble(imag(c)));
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LCM(mu)()(i,j)= cc;
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}}
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}
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Grid::pokeSite(LCM,gr,x);
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}}}}
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}
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static void ImportFermion(FermionField & gr,
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QDP::LatticeStaggeredFermion & ch )
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{
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Grid::QCD::ColourVector F;
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Grid::Complex c;
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std::vector<int> x(5);
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QDP::multi1d<int> cx(4);
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std::vector<int> gd= gr._grid->GlobalDimensions();
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for (x[0]=0;x[0]<gd[0];x[0]++){
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for (x[1]=0;x[1]<gd[1];x[1]++){
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for (x[2]=0;x[2]<gd[2];x[2]++){
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for (x[3]=0;x[3]<gd[3];x[3]++){
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cx[0] = x[0];
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cx[1] = x[1];
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cx[2] = x[2];
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cx[3] = x[3];
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Grid::peekSite(F,gr,x);
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QDP::ColorVector cv;
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for(int j=0;j<3;j++){
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QDP::Complex cc;
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c = F()()(j) ;
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cc = QDP::cmplx(QDP::Real(real(c)),QDP::Real(imag(c)));
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pokeColor(cv,cc,j);
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}
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QDP::StaggeredFermion cF;
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pokeSpin(cF,cv,0);
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QDP::pokeSite(ch,cF,cx);
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}}}}
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}
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static void ExportFermion(FermionField & gr,
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QDP::LatticeStaggeredFermion & ch )
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{
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Grid::QCD::ColourVector F;
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Grid::Complex c;
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std::vector<int> x(5);
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QDP::multi1d<int> cx(4);
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std::vector<int> gd= gr._grid->GlobalDimensions();
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for (x[0]=0;x[0]<gd[0];x[0]++){
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for (x[1]=0;x[1]<gd[1];x[1]++){
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for (x[2]=0;x[2]<gd[2];x[2]++){
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for (x[3]=0;x[3]<gd[3];x[3]++){
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cx[0] = x[0];
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cx[1] = x[1];
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cx[2] = x[2];
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cx[3] = x[3];
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QDP::StaggeredFermion cF = QDP::peekSite(ch,cx);
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for(int j=0;j<3;j++){
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QDP::ColorVector cS=QDP::peekSpin(cF,0);
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QDP::Complex cc=QDP::peekColor(cS,j);
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c = Grid::Complex(QDP::toDouble(QDP::real(cc)),
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QDP::toDouble(QDP::imag(cc)));
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F()()(j) = c;
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}
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Grid::pokeSite(F,gr,x);
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}}}}
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}
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static Handle< Chroma::EvenOddLinearOperator<T4,U,U> > GetLinOp (U &u,U &u_fat,U &u_triple)
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{
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QDP::Real _mq(mq);
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QDP::multi1d<int> bcs(QDP::Nd);
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bcs[0] = bcs[1] = bcs[2] = bcs[3] = 1;
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Chroma::AsqtadFermActParams p;
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p.Mass = _mq;
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p.u0 = Real(1.0);
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Chroma::Handle<Chroma::FermBC<T4,U,U> > fbc(new Chroma::SimpleFermBC< T4, U, U >(bcs));
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Chroma::Handle<Chroma::CreateFermState<T4,U,U> > cfs( new Chroma::CreateSimpleFermState<T4,U,U>(fbc));
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Chroma::AsqtadFermAct S_f(cfs,p);
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Chroma::Handle< Chroma::FermState<T4,U,U> > ffs( S_f.createState(u) );
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u_fat =ffs.cast<AsqtadConnectStateBase>()->getFatLinks();
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u_triple=ffs.cast<AsqtadConnectStateBase>()->getTripleLinks();
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return S_f.linOp(ffs);
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}
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};
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}
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int main (int argc,char **argv )
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{
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/********************************************************
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* Setup QDP
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*********************************************************/
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Chroma::initialize(&argc,&argv);
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Chroma::WilsonTypeFermActs4DEnv::registerAll();
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/********************************************************
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* Setup Grid
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*********************************************************/
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Grid::Grid_init(&argc,&argv);
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Grid::GridCartesian * UGrid = Grid::QCD::SpaceTimeGrid::makeFourDimGrid(Grid::GridDefaultLatt(),
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Grid::GridDefaultSimd(Grid::QCD::Nd,Grid::vComplex::Nsimd()),
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Grid::GridDefaultMpi());
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std::vector<int> gd = UGrid->GlobalDimensions();
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QDP::multi1d<int> nrow(QDP::Nd);
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for(int mu=0;mu<4;mu++) nrow[mu] = gd[mu];
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QDP::Layout::setLattSize(nrow);
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QDP::Layout::create();
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GaugeField uthin (UGrid);
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GaugeField ufat (UGrid);
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GaugeField utriple(UGrid);
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FermionField src(UGrid);
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FermionField res_chroma(UGrid);
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FermionField res_grid (UGrid);
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{
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std::cout << "*****************************"<<std::endl;
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std::cout << "Staggered Action " <<std::endl;
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std::cout << "*****************************"<<std::endl;
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make_gauge(uthin,src);
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for(int dag=0;dag<2;dag++) {
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std::cout << "Dag = "<<dag<<std::endl;
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calc_chroma(uthin,utriple,ufat,src,res_chroma,dag);
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// Remove the normalisation of Chroma Gauge links ??
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std::cout << "Norm of chroma Asqtad multiply "<<Grid::norm2(res_chroma)<<std::endl;
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calc_grid (uthin,utriple,ufat,src,res_grid,dag);
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std::cout << "Norm of thin gauge "<< Grid::norm2(uthin) <<std::endl;
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std::cout << "Norm of fat gauge "<< Grid::norm2(ufat) <<std::endl;
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std::cout << "Norm of Grid Asqtad multiply "<<Grid::norm2(res_grid)<<std::endl;
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/*
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std::cout << " site 0 of Uthin "<<uthin._odata[0] <<std::endl;
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std::cout << " site 0 of Utriple"<<utriple._odata[0] <<std::endl;
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std::cout << " site 0 of Ufat "<<ufat._odata[0] <<std::endl;
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std::cout << " site 0 of Grid "<<res_grid._odata[0] <<std::endl;
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std::cout << " site 0 of Chroma "<<res_chroma._odata[0] <<std::endl;
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*/
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res_chroma=res_chroma - res_grid;
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std::cout << "Norm of difference "<<Grid::norm2(res_chroma)<<std::endl;
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}
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}
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std::cout << "Finished test "<<std::endl;
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Chroma::finalize();
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}
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void calc_chroma(GaugeField & lat, GaugeField &uthin, GaugeField &ufat, FermionField &src, FermionField &res,int dag)
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{
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typedef QDP::LatticeStaggeredFermion T;
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typedef QDP::multi1d<QDP::LatticeColorMatrix> U;
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U u(4);
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U ut(4);
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U uf(4);
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// Chroma::HotSt(u);
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Chroma::ChromaWrapper::ImportGauge(lat,u) ;
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QDP::LatticeStaggeredFermion check;
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QDP::LatticeStaggeredFermion result;
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QDP::LatticeStaggeredFermion tmp;
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QDP::LatticeStaggeredFermion psi;
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Chroma::ChromaWrapper::ImportFermion(src,psi);
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auto linop =Chroma::ChromaWrapper::GetLinOp(u,uf,ut);
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Chroma::ChromaWrapper::ExportGauge(uthin,ut) ;
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Chroma::ChromaWrapper::ExportGauge(ufat ,uf) ;
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enum Chroma::PlusMinus isign;
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if ( dag ) {
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isign=Chroma::MINUS;
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} else {
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isign=Chroma::PLUS;
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}
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std::cout << "Calling Chroma Linop "<< std::endl;
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linop->evenEvenLinOp(tmp,psi,isign); check[rb[0]] = tmp;
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linop->oddOddLinOp (tmp,psi,isign); check[rb[1]] = tmp;
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linop->evenOddLinOp(tmp,psi,isign) ; check[rb[0]]+= tmp;
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linop->oddEvenLinOp(tmp,psi,isign) ; check[rb[1]]+= tmp;
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Chroma::ChromaWrapper::ExportFermion(res,check) ;
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}
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void make_gauge(GaugeField & Umu,FermionField &src)
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{
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using namespace Grid;
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using namespace Grid::QCD;
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std::vector<int> seeds4({1,2,3,4});
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Grid::GridCartesian * UGrid = (Grid::GridCartesian *) Umu._grid;
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Grid::GridParallelRNG RNG4(UGrid); RNG4.SeedFixedIntegers(seeds4);
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Grid::QCD::SU3::HotConfiguration(RNG4,Umu);
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Grid::gaussian(RNG4,src);
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}
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void calc_grid(GaugeField & Uthin, GaugeField & Utriple, GaugeField & Ufat, FermionField &src, FermionField &res,int dag)
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{
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using namespace Grid;
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using namespace Grid::QCD;
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Grid::GridCartesian * UGrid = (Grid::GridCartesian *) Uthin._grid;
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Grid::GridRedBlackCartesian * UrbGrid = Grid::QCD::SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
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Grid::QCD::ImprovedStaggeredFermionR Dstag(Uthin,Utriple,Ufat,*UGrid,*UrbGrid,mq*2.0);
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std::cout << Grid::GridLogMessage <<" Calling Grid staggered multiply "<<std::endl;
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if ( dag )
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Dstag.Mdag(src,res);
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else
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Dstag.M(src,res);
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res = res ; // Convention mismatch to Chroma
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return;
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}
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