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https://github.com/paboyle/Grid.git
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tests: core tests for wilson clover and wilson exp clover including
compact version extended/added
This commit is contained in:
@ -2,11 +2,12 @@
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./benchmarks/Benchmark_wilson.cc
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Source file: ./tests/core/Test_wilson_clover.cc
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Copyright (C) 2015
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Author: Guido Cossu <guido.cossu@ed.ac.uk>
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Fabian Joswig <fabian.joswig@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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@ -67,8 +68,6 @@ int main(int argc, char **argv)
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tmp = Zero();
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FermionField err(&Grid);
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err = Zero();
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FermionField err2(&Grid);
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err2 = Zero();
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FermionField phi(&Grid);
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random(pRNG, phi);
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FermionField chi(&Grid);
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@ -77,6 +76,8 @@ int main(int argc, char **argv)
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SU<Nc>::HotConfiguration(pRNG, Umu);
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std::vector<LatticeColourMatrix> U(4, &Grid);
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double tolerance = 1e-4;
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double volume = 1;
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for (int mu = 0; mu < Nd; mu++)
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{
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@ -88,7 +89,7 @@ int main(int argc, char **argv)
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RealD csw_t = 1.0;
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WilsonCloverFermionR Dwc(Umu, Grid, RBGrid, mass, csw_r, csw_t, anis, params);
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//Dwc.ImportGauge(Umu); // not necessary, included in the constructor
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CompactWilsonCloverFermionR Dwc_compact(Umu, Grid, RBGrid, mass, csw_r, csw_t, 1.0, anis, params);
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std::cout << GridLogMessage << "==========================================================" << std::endl;
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std::cout << GridLogMessage << "= Testing that Deo + Doe = Dunprec " << std::endl;
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@ -112,7 +113,24 @@ int main(int argc, char **argv)
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setCheckerboard(r_eo, r_e);
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err = ref - r_eo;
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std::cout << GridLogMessage << "EO norm diff " << norm2(err) << " " << norm2(ref) << " " << norm2(r_eo) << std::endl;
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std::cout << GridLogMessage << "EO norm diff\t" << norm2(err) << " (" << norm2(ref) << " - " << norm2(r_eo) << ")" << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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Dwc_compact.Meooe(src_e, r_o);
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std::cout << GridLogMessage << "Applied Meo" << std::endl;
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Dwc_compact.Meooe(src_o, r_e);
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std::cout << GridLogMessage << "Applied Moe" << std::endl;
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Dwc_compact.Dhop(src, ref, DaggerNo);
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setCheckerboard(r_eo, r_o);
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setCheckerboard(r_eo, r_e);
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err = ref - r_eo;
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std::cout << GridLogMessage << "EO norm diff compact\t" << norm2(err) << " (" << norm2(ref) << " - " << norm2(r_eo) << ")" << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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std::cout << GridLogMessage << "==============================================================" << std::endl;
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std::cout << GridLogMessage << "= Test Ddagger is the dagger of D by requiring " << std::endl;
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@ -152,6 +170,22 @@ int main(int argc, char **argv)
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std::cout << GridLogMessage << "pDce - conj(cDpo) " << pDce - conj(cDpo) << std::endl;
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std::cout << GridLogMessage << "pDco - conj(cDpe) " << pDco - conj(cDpe) << std::endl;
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Dwc_compact.Meooe(chi_e, dchi_o);
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Dwc_compact.Meooe(chi_o, dchi_e);
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Dwc_compact.MeooeDag(phi_e, dphi_o);
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Dwc_compact.MeooeDag(phi_o, dphi_e);
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pDce = innerProduct(phi_e, dchi_e);
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pDco = innerProduct(phi_o, dchi_o);
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cDpe = innerProduct(chi_e, dphi_e);
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cDpo = innerProduct(chi_o, dphi_o);
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std::cout << GridLogMessage << "e compact " << pDce << " " << cDpe << std::endl;
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std::cout << GridLogMessage << "o compact " << pDco << " " << cDpo << std::endl;
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std::cout << GridLogMessage << "pDce - conj(cDpo) compact " << pDce - conj(cDpo) << std::endl;
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std::cout << GridLogMessage << "pDco - conj(cDpe) compact " << pDco - conj(cDpe) << std::endl;
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std::cout << GridLogMessage << "==============================================================" << std::endl;
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std::cout << GridLogMessage << "= Test MeeInv Mee = 1 (if csw!=0) " << std::endl;
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std::cout << GridLogMessage << "==============================================================" << std::endl;
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@ -169,7 +203,21 @@ int main(int argc, char **argv)
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setCheckerboard(phi, phi_o);
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err = phi - chi;
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std::cout << GridLogMessage << "norm diff " << norm2(err) << std::endl;
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std::cout << GridLogMessage << "norm diff " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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Dwc_compact.Mooee(chi_e, src_e);
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Dwc_compact.MooeeInv(src_e, phi_e);
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Dwc_compact.Mooee(chi_o, src_o);
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Dwc_compact.MooeeInv(src_o, phi_o);
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setCheckerboard(phi, phi_e);
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setCheckerboard(phi, phi_o);
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err = phi - chi;
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std::cout << GridLogMessage << "norm diff compact " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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std::cout << GridLogMessage << "==============================================================" << std::endl;
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std::cout << GridLogMessage << "= Test MeeDag MeeInvDag = 1 (if csw!=0) " << std::endl;
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@ -188,7 +236,21 @@ int main(int argc, char **argv)
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setCheckerboard(phi, phi_o);
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err = phi - chi;
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std::cout << GridLogMessage << "norm diff " << norm2(err) << std::endl;
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std::cout << GridLogMessage << "norm diff " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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Dwc_compact.MooeeDag(chi_e, src_e);
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Dwc_compact.MooeeInvDag(src_e, phi_e);
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Dwc_compact.MooeeDag(chi_o, src_o);
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Dwc_compact.MooeeInvDag(src_o, phi_o);
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setCheckerboard(phi, phi_e);
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setCheckerboard(phi, phi_o);
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err = phi - chi;
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std::cout << GridLogMessage << "norm diff compact " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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std::cout << GridLogMessage << "==============================================================" << std::endl;
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std::cout << GridLogMessage << "= Test MeeInv MeeDag = 1 (if csw!=0) " << std::endl;
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@ -207,7 +269,21 @@ int main(int argc, char **argv)
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setCheckerboard(phi, phi_o);
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err = phi - chi;
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std::cout << GridLogMessage << "norm diff " << norm2(err) << std::endl;
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std::cout << GridLogMessage << "norm diff " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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Dwc_compact.MooeeDag(chi_e, src_e);
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Dwc_compact.MooeeInv(src_e, phi_e);
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Dwc_compact.MooeeDag(chi_o, src_o);
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Dwc_compact.MooeeInv(src_o, phi_o);
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setCheckerboard(phi, phi_e);
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setCheckerboard(phi, phi_o);
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err = phi - chi;
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std::cout << GridLogMessage << "norm diff compact " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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std::cout << GridLogMessage << "================================================================" << std::endl;
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std::cout << GridLogMessage << "= Testing gauge covariance Clover term with EO preconditioning " << std::endl;
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@ -249,7 +325,7 @@ int main(int argc, char **argv)
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/////////////////
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WilsonCloverFermionR Dwc_prime(U_prime, Grid, RBGrid, mass, csw_r, csw_t, anis, params);
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Dwc_prime.ImportGauge(U_prime);
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CompactWilsonCloverFermionR Dwc_compact_prime(U_prime, Grid, RBGrid, mass, csw_r, csw_t, 1.0, anis, params);
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tmp = Omega * src;
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pickCheckerboard(Even, src_e, tmp);
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@ -262,7 +338,37 @@ int main(int argc, char **argv)
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setCheckerboard(phi, phi_o);
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err = chi - adj(Omega) * phi;
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std::cout << GridLogMessage << "norm diff " << norm2(err) << std::endl;
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std::cout << GridLogMessage << "norm diff " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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chi = Zero();
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phi = Zero();
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tmp = Zero();
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pickCheckerboard(Even, chi_e, chi);
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pickCheckerboard(Odd, chi_o, chi);
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pickCheckerboard(Even, phi_e, phi);
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pickCheckerboard(Odd, phi_o, phi);
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Dwc_compact.Mooee(src_e, chi_e);
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Dwc_compact.Mooee(src_o, chi_o);
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setCheckerboard(chi, chi_e);
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setCheckerboard(chi, chi_o);
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setCheckerboard(src, src_e);
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setCheckerboard(src, src_o);
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tmp = Omega * src;
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pickCheckerboard(Even, src_e, tmp);
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pickCheckerboard(Odd, src_o, tmp);
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Dwc_compact_prime.Mooee(src_e, phi_e);
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Dwc_compact_prime.Mooee(src_o, phi_o);
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setCheckerboard(phi, phi_e);
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setCheckerboard(phi, phi_o);
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err = chi - adj(Omega) * phi;
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std::cout << GridLogMessage << "norm diff compact " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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std::cout << GridLogMessage << "=================================================================" << std::endl;
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std::cout << GridLogMessage << "= Testing gauge covariance Clover term w/o EO preconditioning " << std::endl;
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@ -272,7 +378,6 @@ int main(int argc, char **argv)
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phi = Zero();
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WilsonFermionR Dw(Umu, Grid, RBGrid, mass, params);
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Dw.ImportGauge(Umu);
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Dw.M(src, result);
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Dwc.M(src, chi);
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@ -280,13 +385,24 @@ int main(int argc, char **argv)
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Dwc_prime.M(Omega * src, phi);
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WilsonFermionR Dw_prime(U_prime, Grid, RBGrid, mass, params);
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Dw_prime.ImportGauge(U_prime);
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Dw_prime.M(Omega * src, result2);
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err = result - adj(Omega) * result2;
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std::cout << GridLogMessage << "norm diff Wilson " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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err = chi - adj(Omega) * phi;
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err2 = result - adj(Omega) * result2;
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std::cout << GridLogMessage << "norm diff Wilson " << norm2(err) << std::endl;
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std::cout << GridLogMessage << "norm diff WilsonClover " << norm2(err2) << std::endl;
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std::cout << GridLogMessage << "norm diff WilsonClover " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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chi = Zero();
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phi = Zero();
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Dwc_compact.M(src, chi);
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Dwc_compact_prime.M(Omega * src, phi);
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err = chi - adj(Omega) * phi;
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std::cout << GridLogMessage << "norm diff CompactWilsonClover " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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std::cout << GridLogMessage << "==========================================================" << std::endl;
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std::cout << GridLogMessage << "= Testing Mooee(csw=0) Clover to reproduce Mooee Wilson " << std::endl;
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@ -296,7 +412,6 @@ int main(int argc, char **argv)
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phi = Zero();
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err = Zero();
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WilsonCloverFermionR Dwc_csw0(Umu, Grid, RBGrid, mass, 0.0, 0.0, anis, params); // <-- Notice: csw=0
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Dwc_csw0.ImportGauge(Umu);
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pickCheckerboard(Even, phi_e, phi);
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pickCheckerboard(Odd, phi_o, phi);
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@ -316,7 +431,34 @@ int main(int argc, char **argv)
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setCheckerboard(src, src_o);
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err = chi - phi;
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std::cout << GridLogMessage << "norm diff " << norm2(err) << std::endl;
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std::cout << GridLogMessage << "norm diff " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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chi = Zero();
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phi = Zero();
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err = Zero();
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CompactWilsonCloverFermionR Dwc_compact_csw0(Umu, Grid, RBGrid, mass, 0.0, 0.0, 1.0, anis, params); // <-- Notice: csw=0
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pickCheckerboard(Even, phi_e, phi);
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pickCheckerboard(Odd, phi_o, phi);
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pickCheckerboard(Even, chi_e, chi);
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pickCheckerboard(Odd, chi_o, chi);
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Dw.Mooee(src_e, chi_e);
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Dw.Mooee(src_o, chi_o);
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Dwc_compact_csw0.Mooee(src_e, phi_e);
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Dwc_compact_csw0.Mooee(src_o, phi_o);
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setCheckerboard(chi, chi_e);
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setCheckerboard(chi, chi_o);
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setCheckerboard(phi, phi_e);
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setCheckerboard(phi, phi_o);
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setCheckerboard(src, src_e);
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setCheckerboard(src, src_o);
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err = chi - phi;
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std::cout << GridLogMessage << "norm diff compact " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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std::cout << GridLogMessage << "==========================================================" << std::endl;
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std::cout << GridLogMessage << "= Testing EO operator is equal to the unprec " << std::endl;
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@ -348,9 +490,41 @@ int main(int argc, char **argv)
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setCheckerboard(phi, phi_o);
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err = ref - phi;
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std::cout << GridLogMessage << "ref (unpreconditioned operator) diff :" << norm2(ref) << std::endl;
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std::cout << GridLogMessage << "phi (EO decomposition) diff :" << norm2(phi) << std::endl;
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std::cout << GridLogMessage << "norm diff :" << norm2(err) << std::endl;
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std::cout << GridLogMessage << "ref (unpreconditioned operator) diff : " << norm2(ref) << std::endl;
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std::cout << GridLogMessage << "phi (EO decomposition) diff : " << norm2(phi) << std::endl;
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std::cout << GridLogMessage << "norm diff : " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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chi = Zero();
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phi = Zero();
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err = Zero();
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pickCheckerboard(Even, phi_e, phi);
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pickCheckerboard(Odd, phi_o, phi);
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pickCheckerboard(Even, chi_e, chi);
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pickCheckerboard(Odd, chi_o, chi);
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// M phi = (Mooee src_e + Meooe src_o , Meooe src_e + Mooee src_o)
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Dwc_compact.M(src, ref); // Reference result from the unpreconditioned operator
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// EO matrix
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Dwc_compact.Mooee(src_e, chi_e);
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Dwc_compact.Mooee(src_o, chi_o);
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Dwc_compact.Meooe(src_o, phi_e);
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Dwc_compact.Meooe(src_e, phi_o);
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phi_o += chi_o;
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phi_e += chi_e;
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setCheckerboard(phi, phi_e);
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setCheckerboard(phi, phi_o);
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err = ref - phi;
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std::cout << GridLogMessage << "ref (unpreconditioned operator) diff compact : " << norm2(ref) << std::endl;
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std::cout << GridLogMessage << "phi (EO decomposition) diff compact : " << norm2(phi) << std::endl;
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std::cout << GridLogMessage << "norm diff compact : " << norm2(err) << std::endl;
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assert(fabs(norm2(err)) < tolerance);
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Grid_finalize();
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}
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