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Subtle Naik term bug updated in Stencil; less on logical && with a function call on right

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This commit is contained in:
paboyle 2017-09-16 12:51:26 +01:00
parent bbaf1ada91
commit 5918769f97
2 changed files with 97 additions and 6 deletions
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16
lib/stencil/Stencil.h
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@ -400,11 +400,13 @@ class CartesianStencil { // Stencil runs along coordinate axes only; NO diagonal
if ( sshift[0] == sshift[1] ) {
if (splice_dim) {
splicetime-=usecond();
same_node = same_node && GatherSimd(source,dimension,shift,0x3,compress,face_idx);
auto tmp = GatherSimd(source,dimension,shift,0x3,compress,face_idx);
same_node = same_node && tmp;
splicetime+=usecond();
} else {
nosplicetime-=usecond();
same_node = same_node && Gather(source,dimension,shift,0x3,compress,face_idx);
auto tmp = Gather(source,dimension,shift,0x3,compress,face_idx);
same_node = same_node && tmp;
nosplicetime+=usecond();
}
} else {
@ -412,13 +414,15 @@ class CartesianStencil { // Stencil runs along coordinate axes only; NO diagonal
splicetime-=usecond();
// if checkerboard is unfavourable take two passes
// both with block stride loop iteration
same_node = same_node && GatherSimd(source,dimension,shift,0x1,compress,face_idx);
same_node = same_node && GatherSimd(source,dimension,shift,0x2,compress,face_idx);
auto tmp1 = GatherSimd(source,dimension,shift,0x1,compress,face_idx);
auto tmp2 = GatherSimd(source,dimension,shift,0x2,compress,face_idx);
same_node = same_node && tmp1 && tmp2;
splicetime+=usecond();
} else {
nosplicetime-=usecond();
same_node = same_node && Gather(source,dimension,shift,0x1,compress,face_idx);
same_node = same_node && Gather(source,dimension,shift,0x2,compress,face_idx);
auto tmp1 = Gather(source,dimension,shift,0x1,compress,face_idx);
auto tmp2 = Gather(source,dimension,shift,0x2,compress,face_idx);
same_node = same_node && tmp1 && tmp2;
nosplicetime+=usecond();
}
}

87
tests/solver/Test_staggered_cg_prec.cc Normal file
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@ -0,0 +1,87 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_wilson_cg_unprec.cc
Copyright (C) 2015
Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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>
#include <Grid/algorithms/iterative/BlockConjugateGradient.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)
{
typedef typename ImprovedStaggeredFermionR::FermionField FermionField;
typedef typename ImprovedStaggeredFermionR::ComplexField ComplexField;
typename ImprovedStaggeredFermionR::ImplParams params;
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
GridRedBlackCartesian RBGrid(latt_size,simd_layout,mpi_layout);
std::vector<int> seeds({1,2,3,4});
GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(seeds);
FermionField src(&Grid); random(pRNG,src);
RealD nrm = norm2(src);
LatticeGaugeField Umu(&Grid); SU3::HotConfiguration(pRNG,Umu);
double volume=1;
for(int mu=0;mu<Nd;mu++){
volume=volume*latt_size[mu];
}
RealD mass=0.1;
ImprovedStaggeredFermionR Ds(Umu,Umu,Grid,RBGrid,mass);
FermionField res_o(&RBGrid);
FermionField src_o(&RBGrid);
pickCheckerboard(Odd,src_o,src);
res_o=zero;
SchurDiagMooeeOperator<ImprovedStaggeredFermionR,FermionField> HermOpEO(Ds);
ConjugateGradient<FermionField> CG(1.0e-8,10000);
CG(HermOpEO,src_o,res_o);
Grid_finalize();
}