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Adding ZMobius CG test

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This commit is contained in:
Chulwoo Jung 2017-03-13 00:12:43 -04:00
parent 33edde245d
commit 0b61f75c9e
1 changed files with 111 additions and 0 deletions
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tests/solver/Test_zmobius_cg_prec.cc Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_dwf_cg_prec.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;
template <class d>
struct scal {
d internal;
};
Gamma::Algebra Gmu[] = {Gamma::Algebra::GammaX, Gamma::Algebra::GammaY, Gamma::Algebra::GammaZ,
Gamma::Algebra::GammaT};
int main(int argc, char** argv) {
Grid_init(&argc, &argv);
const int Ls = 16;
GridCartesian* UGrid = SpaceTimeGrid::makeFourDimGrid(
GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()),
GridDefaultMpi());
GridRedBlackCartesian* UrbGrid =
SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
GridCartesian* FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls, UGrid);
GridRedBlackCartesian* FrbGrid =
SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls, UGrid);
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);
LatticeFermion src(FGrid);
random(RNG5, src);
LatticeFermion result(FGrid);
result = zero;
LatticeGaugeField Umu(UGrid);
SU3::HotConfiguration(RNG4, Umu);
std::cout << GridLogMessage << "Lattice dimensions: " << GridDefaultLatt()
<< " Ls: " << Ls << std::endl;
std::vector<LatticeColourMatrix> U(4, UGrid);
for (int mu = 0; mu < Nd; mu++) {
U[mu] = PeekIndex<LorentzIndex>(Umu, mu);
}
RealD mass = 0.01;
RealD M5 = 1.8;
std::vector < std::complex<double> > omegas;
for(int i=0;i<Ls;i++){
std::complex<double> temp (0.25+0.00*i, 0.0+0.00*i);
omegas.push_back(temp);
}
// DomainWallFermionR Ddwf(Umu, *FGrid, *FrbGrid, *UGrid, *UrbGrid, mass, M5);
ZMobiusFermionR Ddwf(Umu, *FGrid, *FrbGrid, *UGrid, *UrbGrid, mass, M5, omegas,1.,0.);
LatticeFermion src_o(FrbGrid);
LatticeFermion result_o(FrbGrid);
pickCheckerboard(Odd, src_o, src);
result_o = zero;
GridStopWatch CGTimer;
SchurDiagMooeeOperator<ZMobiusFermionR, LatticeFermion> HermOpEO(Ddwf);
ConjugateGradient<LatticeFermion> CG(1.0e-8, 10000, 0);// switch off the assert
CGTimer.Start();
CG(HermOpEO, src_o, result_o);
CGTimer.Stop();
std::cout << GridLogMessage << "Total CG time : " << CGTimer.Elapsed()
<< std::endl;
std::cout << GridLogMessage << "######## Dhop calls summary" << std::endl;
Ddwf.Report();
Grid_finalize();
}