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6f6844ccf1
Modified plaq+rectangle gauge actions to use the above Added a test code to confirm the above changes
95 lines
3.3 KiB
C++
95 lines
3.3 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_optimized_staple_gaugebc.cc
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Copyright (C) 2015
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Author: Christopher Kelly <ckelly@bnl.gov>
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Author: Peter Boyle <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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#include <Grid/lattice/PaddedCell.h>
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#include <Grid/stencil/GeneralLocalStencil.h>
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using namespace std;
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using namespace Grid;
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int main (int argc, char ** argv)
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{
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Grid_init(&argc,&argv);
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Coordinate latt_size = GridDefaultLatt();
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Coordinate simd_layout= GridDefaultSimd(Nd,vComplexD::Nsimd());
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Coordinate mpi_layout = GridDefaultMpi();
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std::cout << " mpi "<<mpi_layout<<std::endl;
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std::cout << " simd "<<simd_layout<<std::endl;
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std::cout << " latt "<<latt_size<<std::endl;
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GridCartesian GRID(latt_size,simd_layout,mpi_layout);
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GridParallelRNG pRNG(&GRID);
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pRNG.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
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LatticeGaugeField U(&GRID);
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SU<Nc>::HotConfiguration(pRNG,U);
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//#define PRD
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#ifdef PRD
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typedef PeriodicGimplD Gimpl;
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#else
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typedef ConjugateGimplD Gimpl;
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std::vector<int> conj_dirs(Nd,0); conj_dirs[0]=1; conj_dirs[3]=1;
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Gimpl::setDirections(conj_dirs);
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#endif
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typedef typename WilsonLoops<Gimpl>::GaugeMat GaugeMat;
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typedef typename WilsonLoops<Gimpl>::GaugeLorentz GaugeLorentz;
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int count = 0;
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double torig=0, topt=0;
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std::vector<GaugeMat> Umu(Nd,&GRID), U2(Nd,&GRID);
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for(int mu=0;mu<Nd;mu++){
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Umu[mu] = PeekIndex<LorentzIndex>(U,mu);
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WilsonLoops<Gimpl>::RectStapleDouble(U2[mu], Umu[mu], mu);
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}
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std::cout << GridLogMessage << "Checking optimized vs unoptimized RectStaple" << std::endl;
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for(int mu=0;mu<Nd;mu++){
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GaugeMat staple_orig(&GRID), staple_opt(&GRID), staple_U2(&GRID);
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double t0 = usecond();
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WilsonLoops<Gimpl>::RectStapleUnoptimised(staple_orig,U,mu);
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double t1 = usecond();
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WilsonLoops<Gimpl>::RectStapleOptimised(staple_opt, U2, Umu, mu);
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double t2 = usecond();
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torig += t1-t0; topt += t2-t1;
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++count;
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GaugeMat diff = staple_orig - staple_opt;
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double n = norm2(diff);
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std::cout << GridLogMessage << mu << " " << n << std::endl;
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assert(n<1e-10);
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}
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std::cout << GridLogMessage << "RectStaple timings orig: " << torig/1000/count << "ms, optimized: " << topt/1000/count << "ms" << std::endl;
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Grid_finalize();
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}
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