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Working on Hadrons with Hirep. (QCD is set for SU4)

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pretidav
2017-12-22 19:02:07 +01:00
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168
tests/hadrons/Test_hadrons_2AS_spectrum.cc Normal file
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/*******************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: tests/hadrons/Test_hadrons_spectrum.cc
Copyright (C) 2015
Author: Antonin Portelli <antonin.portelli@me.com>
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.
*******************************************************************************/
#include <Grid/Hadrons/Application.hpp>
using namespace Grid;
using namespace Hadrons;
BEGIN_HADRONS_NAMESPACE
BEGIN_MODULE_NAMESPACE(MFermion)
MODULE_REGISTER_NS(GaugeProp2AS, TGaugeProp<WilsonTwoIndexAntiSymmetricImplR>, MFermion);
END_MODULE_NAMESPACE
BEGIN_MODULE_NAMESPACE(MSource)
MODULE_REGISTER_NS(Point2AS, TPoint<WilsonTwoIndexAntiSymmetricImplR>, MSource);
END_MODULE_NAMESPACE
BEGIN_MODULE_NAMESPACE(MContraction)
MODULE_REGISTER_NS(Meson2AS, ARG(TMeson<WilsonTwoIndexAntiSymmetricImplR, WilsonTwoIndexAntiSymmetricImplR>), MContraction);
// MODULE_REGISTER_NS(BaryonMultirep, ARG(TBaryon<FIMPL, FIMPL, FIMPL>), MContraction);
END_MODULE_NAMESPACE
BEGIN_MODULE_NAMESPACE(MSink)
MODULE_REGISTER_NS(ScalarPoint2AS, TPoint<WilsonTwoIndexAntiSymmetricImplR>, MSink);
END_MODULE_NAMESPACE
BEGIN_MODULE_NAMESPACE(MSolver)
MODULE_REGISTER_NS(RBPrecCG2AS, TRBPrecCG<WilsonTwoIndexAntiSymmetricImplR>, MSolver);
END_MODULE_NAMESPACE
BEGIN_MODULE_NAMESPACE(MAction)
MODULE_REGISTER_NS(WilsonClover2AS, TWilsonClover<WilsonTwoIndexAntiSymmetricImplR>, MAction);
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
int main(int argc, char *argv[])
{
// initialization //////////////////////////////////////////////////////////
Grid_init(&argc, &argv);
HadronsLogError.Active(GridLogError.isActive());
HadronsLogWarning.Active(GridLogWarning.isActive());
HadronsLogMessage.Active(GridLogMessage.isActive());
HadronsLogIterative.Active(GridLogIterative.isActive());
HadronsLogDebug.Active(GridLogDebug.isActive());
LOG(Message) << "Grid initialized" << std::endl;
// run setup ///////////////////////////////////////////////////////////////
Application application;
std::vector<std::string> flavour = {"l", "s"};
std::vector<double> mass = {-0.01, -0.04};
double csw = 1.0;
// global parameters
Application::GlobalPar globalPar;
globalPar.trajCounter.start = 1500;
globalPar.trajCounter.end = 1520;
globalPar.trajCounter.step = 20;
globalPar.seed = "1 2 3 4";
application.setPar(globalPar);
// gauge field
application.createModule<MGauge::Unit>("gauge");
MSource::Point2AS::Par ptPar;
ptPar.position = "0 0 0 0";
application.createModule<MSource::Point2AS>("pt", ptPar);
// sink
MSink::ScalarPoint2AS::Par sinkPar;
sinkPar.mom = "0 0 0";
application.createModule<MSink::ScalarPoint2AS>("sink", sinkPar);
// set fermion boundary conditions to be periodic space, antiperiodic time.
std::string boundary = "1 1 1 -1";
for (unsigned int i = 0; i < flavour.size(); ++i)
{
// actions
MAction::WilsonClover2AS::Par actionPar;
actionPar.gauge = "gauge";
actionPar.mass = mass[i];
actionPar.csw_r = csw;
actionPar.csw_t = csw;
actionPar.clover_anisotropy.isAnisotropic= false;
actionPar.clover_anisotropy.t_direction = Nd-1 ;
actionPar.clover_anisotropy.xi_0 = 1.0 ;
actionPar.clover_anisotropy.nu = 1.0 ;
actionPar.boundary = boundary;
application.createModule<MAction::WilsonClover2AS>("WilsonClover2AS_" + flavour[i], actionPar);
// solvers
MSolver::RBPrecCG2AS::Par solverPar;
solverPar.action = "WilsonClover2AS_" + flavour[i];
solverPar.residual = 1.0e-8;
application.createModule<MSolver::RBPrecCG2AS>("CG_" + flavour[i],
solverPar);
// propagators
MFermion::GaugeProp2AS::Par quarkPar;
quarkPar.solver = "CG_" + flavour[i];
quarkPar.source = "pt";
application.createModule<MFermion::GaugeProp2AS>("Qpt_" + flavour[i], quarkPar);
quarkPar.source = "z2";
application.createModule<MFermion::GaugeProp2AS>("QZ2_" + flavour[i], quarkPar);
}
for (unsigned int i = 0; i < flavour.size(); ++i)
for (unsigned int j = i; j < flavour.size(); ++j)
{
MContraction::Meson2AS::Par mesPar;
mesPar.output = "mesons2AS/pt_" + flavour[i] + flavour[j];
mesPar.q1 = "Qpt_" + flavour[i];
mesPar.q2 = "Qpt_" + flavour[j];
mesPar.gammas = "all";
mesPar.sink = "sink";
application.createModule<MContraction::Meson2AS>("meson_pt_"
+ flavour[i] + flavour[j],
mesPar);
// mesPar.output = "mesons2AS/Z2_" + flavour[i] + flavour[j];
// mesPar.q1 = "QZ2_" + flavour[i];
// mesPar.q2 = "QZ2_" + flavour[j];
// mesPar.gammas = "all";
// mesPar.sink = "sink";
// application.createModule<MContraction::Meson2AS>("meson_Z2_"
// + flavour[i] + flavour[j],
// mesPar);
}
for (unsigned int i = 0; i < flavour.size(); ++i)
for (unsigned int j = i; j < flavour.size(); ++j)
for (unsigned int k = j; k < flavour.size(); ++k)
{
MContraction::Baryon::Par barPar;
barPar.output = "baryons/pt_" + flavour[i] + flavour[j] + flavour[k];
barPar.q1 = "Qpt_" + flavour[i];
barPar.q2 = "Qpt_" + flavour[j];
barPar.q3 = "Qpt_" + flavour[k];
application.createModule<MContraction::Baryon>(
"baryon_pt_" + flavour[i] + flavour[j] + flavour[k], barPar);
}
// execution
application.saveParameterFile("spectrum.xml");
application.run();
// epilogue
LOG(Message) << "Grid is finalizing now" << std::endl;
Grid_finalize();
return EXIT_SUCCESS;
}

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tests/lanczos/Test_WCMultiRep_lanczos.cc Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_dwf_lanczos.cc
Copyright (C) 2015
Author: Peter Boyle <paboyle@ph.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 */
#include <Grid/Grid.h>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
typedef WilsonFermionR FermionOp;
typedef typename WilsonFermionR::FermionField FermionField;
RealD AllZero(RealD x) { return 0.; }
int main(int argc, char** argv) {
Grid_init(&argc, &argv);
GridCartesian* UGrid = SpaceTimeGrid::makeFourDimGrid(
GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()),
GridDefaultMpi());
GridRedBlackCartesian* UrbGrid =
SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
GridCartesian* FGrid = UGrid;
GridRedBlackCartesian* FrbGrid = UrbGrid;
printf("UGrid=%p UrbGrid=%p FGrid=%p FrbGrid=%p\n", UGrid, UrbGrid, FGrid,
FrbGrid);
std::vector<int> seeds4({1, 2, 3, 4});
std::vector<int> seeds5({5, 6, 7, 8});
GridParallelRNG RNG5(FGrid);
RNG5.SeedFixedIntegers(seeds5);
GridParallelRNG RNG4(UGrid);
RNG4.SeedFixedIntegers(seeds4);
GridParallelRNG RNG5rb(FrbGrid);
RNG5.SeedFixedIntegers(seeds5);
LatticeGaugeField Umu(UGrid);
SU3::HotConfiguration(RNG4, Umu);
/*
std::vector<LatticeColourMatrix> U(4, UGrid);
for (int mu = 0; mu < Nd; mu++) {
U[mu] = PeekIndex<LorentzIndex>(Umu, mu);
}
*/
RealD mass = -0.1;
RealD M5 = 1.8;
RealD mob_b = 1.5;
FermionOp WilsonOperator(Umu,*FGrid,*FrbGrid,mass);
MdagMLinearOperator<FermionOp,LatticeFermion> HermOp(WilsonOperator); /// <-----
//SchurDiagTwoOperator<FermionOp,FermionField> HermOp(WilsonOperator);
const int Nstop = 20;
const int Nk = 60;
const int Np = 60;
const int Nm = Nk + Np;
const int MaxIt = 10000;
RealD resid = 1.0e-6;
std::vector<double> Coeffs{0, 1.};
Polynomial<FermionField> PolyX(Coeffs);
Chebyshev<FermionField> Cheb(0.0, 10., 12);
ImplicitlyRestartedLanczos<FermionField> IRL(HermOp, PolyX, Nstop, Nk, Nm,
resid, MaxIt);
std::vector<RealD> eval(Nm);
FermionField src(FGrid);
gaussian(RNG5, src);
std::vector<FermionField> evec(Nm, FGrid);
for (int i = 0; i < 1; i++) {
std::cout << i << " / " << Nm << " grid pointer " << evec[i]._grid
<< std::endl;
};
int Nconv;
IRL.calc(eval, evec, src, Nconv);
std::cout << eval << std::endl;
Grid_finalize();
}