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Clover term compiles, not tested
This commit is contained in:
Guido Cossu
parent
752048f410
commit
5553b8d2b8
@ -49,7 +49,7 @@ Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
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#include <Grid/qcd/action/fermion/WilsonFermion.h> // 4d wilson like
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#include <Grid/qcd/action/fermion/WilsonTMFermion.h> // 4d wilson like
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#include <Grid/qcd/action/fermion/WilsonCloverFermion.h> // 4d wilson like
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#include <Grid/qcd/action/fermion/WilsonCloverFermion.h> // 4d wilson clover fermions
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#include <Grid/qcd/action/fermion/WilsonFermion5D.h> // 5d base used by all 5d overlap types
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#include <Grid/qcd/action/fermion/ImprovedStaggeredFermion.h>
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@ -27,28 +27,35 @@
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*************************************************************************************/
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/* END LEGAL */
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#include <Grid/Grid.h>
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#include <Grid/Eigen/Dense>
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#include <Grid/qcd/spin/Dirac.h>
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namespace Grid {
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namespace QCD {
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template <class Impl>
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void WilsonCloverFermion<Impl>::AddCloverTerm(const FermionField& in,
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FermionField& out){
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FermionField tmp(out._grid);
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tmp = zero;
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// the product sigma_munu Fmunu is hermitian
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tmp += Bx*(Gamma(Gamma::Algebra::SigmaYZ)*in);
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tmp += By*(Gamma(Gamma::Algebra::MinusSigmaXZ)*in);
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tmp += Bz*(Gamma(Gamma::Algebra::SigmaXY)*in);
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tmp += Ex*(Gamma(Gamma::Algebra::MinusSigmaXT)*in);
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tmp += Ey*(Gamma(Gamma::Algebra::MinusSigmaYT)*in);
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tmp += Ez*(Gamma(Gamma::Algebra::MinusSigmaZT)*in);
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out += tmp*csw; // check signs
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}
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//WilsonLoop::CloverPlaquette
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/////////////////////////////////////////////////////
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//// Clover plaquette combination in mu,nu plane with Double Stored U
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////////////////////////////////////////////////////
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//static void CloverPlaquette(GaugeMat &Q, const std::vector<GaugeMat> &U,
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// const int mu, const int nu){
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// Q = zero;
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// Q += Gimpl::CovShiftBackward(
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// U[mu], mu, Gimpl::CovShiftBackward(
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// U[nu], nu, Gimpl::CovShiftForward(U[mu], mu, U[nu] )));
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// Q += Gimpl::CovShiftForward(
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// U[mu], mu, Gimpl::CovShiftForward(
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// U[nu], nu, Gimpl::CovShiftBackward(U[mu], mu, U[nu+Nd] )));
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// Q += Gimpl::CovShiftBackward(
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// U[nu], nu, Gimpl::CovShiftForward(
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// U[mu], mu, Gimpl::CovShiftForward(U[nu], nu, U[mu+Nd] )));
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// Q += Gimpl::CovShiftForward(
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// U[mu], mu, Gimpl::CovShiftBackward(
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// U[nu], nu, Gimpl::CovShiftBackward(U[mu], mu, U[nu] )));
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// }
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// *NOT* EO
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template <class Impl>
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RealD WilsonCloverFermion<Impl>::M(const FermionField& in, FermionField& out) {
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// Wilson term
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@ -56,7 +63,7 @@ namespace QCD {
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this->Dhop(in, out, DaggerNo);
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// Clover term
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// apply the sigma and Fmunu
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AddCloverTerm(in, out);
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Mooee(in, out);
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// overall factor
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return axpy_norm(out, 4 + this->mass, in, out);
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}
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@ -68,13 +75,16 @@ namespace QCD {
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this->Dhop(in, out, DaggerYes);
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// Clover term
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// apply the sigma and Fmunu
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AddCloverTerm(in, out);
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MooeeDag(in, out);
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return axpy_norm(out, 4 + this->mass, in, out);
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}
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template <class Impl>
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void WilsonCloverFermion<Impl>::ImportGauge(const GaugeField& _Umu) {
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this->ImportGauge(_Umu);
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GridBase* grid = _Umu._grid;
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assert(Nd==4); //only works in 4 dim
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typename Impl::GaugeLinkField Bx(grid), By(grid), Bz(grid), Ex(grid), Ey(grid), Ez(grid);
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// Compute the field strength terms
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WilsonLoops<Impl>::FieldStrength(Bx, _Umu, Ydir, Zdir);
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WilsonLoops<Impl>::FieldStrength(By, _Umu, Zdir, Xdir);
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@ -82,32 +92,78 @@ namespace QCD {
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WilsonLoops<Impl>::FieldStrength(Ex, _Umu, Tdir, Xdir);
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WilsonLoops<Impl>::FieldStrength(Ey, _Umu, Tdir, Ydir);
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WilsonLoops<Impl>::FieldStrength(Ez, _Umu, Tdir, Zdir);
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// Save the contracted term with sigma
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// into a dense matrix site by site
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// Invert the Moo, Mee terms (using Eigen)
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// Compute the Clover Operator acting on Colour and Spin
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CloverTerm = fillClover(Bx)*(Gamma(Gamma::Algebra::SigmaYZ));
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CloverTerm += fillClover(By)*(Gamma(Gamma::Algebra::MinusSigmaXZ));
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CloverTerm += fillClover(Bz)*(Gamma(Gamma::Algebra::SigmaXY));
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CloverTerm += fillClover(Ex)*(Gamma(Gamma::Algebra::MinusSigmaXT));
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CloverTerm += fillClover(Ey)*(Gamma(Gamma::Algebra::MinusSigmaYT));
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CloverTerm += fillClover(Ez)*(Gamma(Gamma::Algebra::MinusSigmaZT));
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CloverTerm *= csw;
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int lvol = _Umu._grid->lSites();
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int DimRep = Impl::Dimension;
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Eigen::MatrixXcd EigenCloverOp = Eigen::MatrixXcd::Zero(Ns*DimRep,Ns*DimRep);
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Eigen::MatrixXcd EigenInvCloverOp = Eigen::MatrixXcd::Zero(Ns*DimRep,Ns*DimRep);
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std::vector <int> lcoor;
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typename SiteCloverType::scalar_object Qx = zero, Qxinv = zero;
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for (int site = 0; site < lvol; site++){
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grid->LocalIndexToLocalCoor(site,lcoor);
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EigenCloverOp=Eigen::MatrixXcd::Zero(Ns*DimRep,Ns*DimRep);
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peekLocalSite(Qx,CloverTerm,lcoor);
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Qxinv = zero;
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for(int j = 0; j < Ns; j++)
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for (int k = 0; k < Ns; k++)
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for(int a = 0; a < DimRep; a++)
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for(int b = 0; b < DimRep; b++)
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EigenCloverOp(a+j*DimRep,b+k*DimRep) = Qx()(j,k)(a,b);
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EigenInvCloverOp = EigenCloverOp.inverse();
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for(int j = 0; j < Ns; j++)
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for (int k = 0; k < Ns; k++)
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for(int a = 0; a < DimRep; a++)
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for(int b = 0; b < DimRep; b++)
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Qxinv()(j,k)(a,b) = EigenInvCloverOp(a+j*DimRep,b+k*DimRep);
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pokeLocalSite(Qxinv,CloverTermInv,lcoor);
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}
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}
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template<class Impl>
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void WilsonCloverFermion<Impl>::Mooee(const FermionField &in, FermionField &out){
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out.checkerboard = in.checkerboard;
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assert(0); // to be completed
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this -> MooeeInternal(in, out, DaggerNo, InverseNo);
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}
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template<class Impl>
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void WilsonCloverFermion<Impl>::MooeeDag(const FermionField &in, FermionField &out){
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assert(0); // not implemented yet
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this -> MooeeInternal(in, out, DaggerNo, InverseYes);
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}
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template<class Impl>
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void WilsonCloverFermion<Impl>::MooeeInv(const FermionField &in, FermionField &out){
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assert(0); // not implemented yet
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this -> MooeeInternal(in, out, DaggerNo, InverseYes);
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}
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template<class Impl>
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void WilsonCloverFermion<Impl>::MooeeInvDag(const FermionField &in, FermionField &out){
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assert(0); // not implemented yet
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this -> MooeeInternal(in, out, DaggerNo, InverseYes);
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}
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template<class Impl>
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void WilsonCloverFermion<Impl>::MooeeInternal(const FermionField &in, FermionField &out, int dag, int inv){
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out.checkerboard = in.checkerboard;
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CloverFieldType *Clover;
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Clover = (inv) ? &CloverTermInv : &CloverTerm;
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if(dag){ out = adj(*Clover)*in;} else {out = *Clover*in;}
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} // MooeeInternal
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// Derivative parts
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template<class Impl>
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void WilsonCloverFermion<Impl>::MDeriv(GaugeField&mat, const FermionField&U, const FermionField&V, int dag){
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@ -128,17 +184,6 @@ namespace QCD {
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template<class Impl>
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void WilsonCloverFermion<Impl>::MooDeriv(GaugeField&mat, const FermionField&U, const FermionField&V, int dag){
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// Compute the 8 terms of the derivative
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// Pseudocode
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// Using Chroma as a template
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// for loop on mu and nu, but upper matrix
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// take the outer product factor * U x (sigma_mu_nu V)
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// derivative of loops
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// end of loop
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assert(0); // not implemented yet
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}
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@ -148,7 +193,10 @@ namespace QCD {
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assert(0); // not implemented yet
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}
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FermOpTemplateInstantiate(WilsonCloverFermion);
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FermOpTemplateInstantiate(WilsonCloverFermion); // now only for the fundamental representation
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//AdjointFermOpTemplateInstantiate(WilsonCloverFermion);
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//TwoIndexFermOpTemplateInstantiate(WilsonCloverFermion);
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//GparityFermOpTemplateInstantiate(WilsonCloverFermion);
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}
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}
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@ -31,14 +31,20 @@
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#include <Grid/Grid.h>
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namespace Grid {
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namespace QCD {
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namespace Grid
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{
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namespace QCD
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{
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template <class Impl>
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class WilsonCloverFermion : public WilsonFermion<Impl> {
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class WilsonCloverFermion : public WilsonFermion<Impl>
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{
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public:
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// Types definitions
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INHERIT_IMPL_TYPES(Impl);
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template <typename vtype> using iImplClover = iScalar<iMatrix<iMatrix<vtype, Impl::Dimension>, Ns> >;
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typedef iImplClover<Simd> SiteCloverType;
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typedef Lattice<SiteCloverType> CloverFieldType;
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public:
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typedef WilsonFermion<Impl> WilsonBase;
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@ -52,12 +58,8 @@ public:
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Fgrid,
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Hgrid,
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_mass, p),
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Bx(_Umu._grid),
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By(_Umu._grid),
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Bz(_Umu._grid),
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Ex(_Umu._grid),
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Ey(_Umu._grid),
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Ez(_Umu._grid)
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CloverTerm(&Fgrid),
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CloverTermInv(&Fgrid)
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{
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csw = _csw;
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assert(Nd == 4); // require 4 dimensions
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@ -70,24 +72,33 @@ public:
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virtual void MooeeDag(const FermionField &in, FermionField &out);
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virtual void MooeeInv(const FermionField &in, FermionField &out);
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virtual void MooeeInvDag(const FermionField &in, FermionField &out);
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virtual void MooeeInternal(const FermionField &in, FermionField &out, int dag, int inv);
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virtual void MDeriv(GaugeField &mat, const FermionField &U, const FermionField &V, int dag);
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virtual void MooDeriv(GaugeField &mat, const FermionField &U, const FermionField &V, int dag);
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virtual void MeeDeriv(GaugeField &mat, const FermionField &U, const FermionField &V, int dag);
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void ImportGauge(const GaugeField &_Umu);
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private:
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// here fixing the 4 dimensions, make it more general?
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// Field strengths
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GaugeLinkField Bx, By, Bz, Ex, Ey, Ez;
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RealD csw; // Clover coefficient
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CloverFieldType CloverTerm, CloverTermInv; // Clover term
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// eventually these two can be compressed into 6x6 blocks instead of the 12x12
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// using the DeGrand-Rossi basis for the gamma matrices
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CloverFieldType fillClover(const GaugeLinkField& F){
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CloverFieldType T(F._grid);
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PARALLEL_FOR_LOOP
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for (int i = 0; i < CloverTerm._grid->oSites(); i++){
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for (int s1 = 0; s1 < Nc; s1++)
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for (int s2 = 0; s2 < Nc; s2++)
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T._odata[i]()(s1,s2) = F._odata[i]()();
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}
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return T;
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}
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// Methods
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void AddCloverTerm(const FermionField& in, FermionField& out);
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};
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}
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}
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251
tests/core/Test_wilson_clover.cc
Normal file
251
tests/core/Test_wilson_clover.cc
Normal file
@ -0,0 +1,251 @@
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/*************************************************************************************
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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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Copyright (C) 2015
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Author: Guido Cossu <guido.cossu@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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using namespace std;
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using namespace Grid;
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using namespace Grid::QCD;
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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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std::vector<int> latt_size = GridDefaultLatt();
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std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
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std::vector<int> mpi_layout = GridDefaultMpi();
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GridCartesian Grid(latt_size,simd_layout,mpi_layout);
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GridRedBlackCartesian RBGrid(latt_size,simd_layout,mpi_layout);
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int threads = GridThread::GetThreads();
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std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
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std::cout<<GridLogMessage << "Grid floating point word size is REALF"<< sizeof(RealF)<<std::endl;
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std::cout<<GridLogMessage << "Grid floating point word size is REALD"<< sizeof(RealD)<<std::endl;
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std::cout<<GridLogMessage << "Grid floating point word size is REAL"<< sizeof(Real)<<std::endl;
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std::vector<int> seeds({1,2,3,4});
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GridParallelRNG pRNG(&Grid);
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pRNG.SeedFixedIntegers(seeds);
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// pRNG.SeedFixedIntegers(std::vector<int>({45,12,81,9});
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typedef typename WilsonCloverFermionR::FermionField FermionField;
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typename WilsonCloverFermionR::ImplParams params;
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FermionField src (&Grid); random(pRNG,src);
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FermionField result(&Grid); result=zero;
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FermionField ref(&Grid); ref=zero;
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FermionField tmp(&Grid); tmp=zero;
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FermionField err(&Grid); tmp=zero;
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FermionField phi (&Grid); random(pRNG,phi);
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FermionField chi (&Grid); random(pRNG,chi);
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LatticeGaugeField Umu(&Grid); SU3::HotConfiguration(pRNG,Umu);
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std::vector<LatticeColourMatrix> U(4,&Grid);
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double volume=1;
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for(int mu=0;mu<Nd;mu++){
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volume=volume*latt_size[mu];
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}
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// Only one non-zero (y)
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for(int mu=0;mu<Nd;mu++){
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U[mu] = PeekIndex<LorentzIndex>(Umu,mu);
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/* Debug force unit
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U[mu] = 1.0;
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PokeIndex<LorentzIndex>(Umu,U[mu],mu);
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*/
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}
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ref = zero;
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RealD mass=0.1;
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RealD csw = 1.0;
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{ // Simple clover implementation
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// ref = ref + mass * src;
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}
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WilsonCloverFermionR Dwc(Umu,Grid,RBGrid,mass,csw,params);
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std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
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std::cout<<GridLogMessage<<"= Testing Dhop against cshift implementation "<<std::endl;
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std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
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std::cout<<GridLogMessage << "Calling Dwc"<<std::endl;
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int ncall=1000;
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double t0=usecond();
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for(int i=0;i<ncall;i++){
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Dwc.Dhop(src,result,0);
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}
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double t1=usecond();
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double t2;
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double flops=(16*(3*(6+8+8)) + 15*3*2)*volume*ncall; // == 66*16 + == 1146
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std::cout<<GridLogMessage << "Called Dwc"<<std::endl;
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std::cout<<GridLogMessage << "norm result "<< norm2(result)<<std::endl;
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std::cout<<GridLogMessage << "norm ref "<< norm2(ref)<<std::endl;
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std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl;
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err = ref-result;
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std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl;
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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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std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
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FermionField src_e (&RBGrid);
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FermionField src_o (&RBGrid);
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FermionField r_e (&RBGrid);
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FermionField r_o (&RBGrid);
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FermionField r_eo (&Grid);
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pickCheckerboard(Even,src_e,src);
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pickCheckerboard(Odd,src_o,src);
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Dwc.Meooe(src_e,r_o); std::cout<<GridLogMessage<<"Applied Meo"<<std::endl;
|
||||
Dwc.Meooe(src_o,r_e); std::cout<<GridLogMessage<<"Applied Moe"<<std::endl;
|
||||
Dwc.Dhop (src,ref,DaggerNo);
|
||||
|
||||
setCheckerboard(r_eo,r_o);
|
||||
setCheckerboard(r_eo,r_e);
|
||||
|
||||
err= ref - r_eo;
|
||||
std::cout<<GridLogMessage << "EO norm diff "<< norm2(err)<< " "<<norm2(ref)<< " " << norm2(r_eo) <<std::endl;
|
||||
|
||||
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
||||
std::cout<<GridLogMessage<<"= Test Ddagger is the dagger of D by requiring "<<std::endl;
|
||||
std::cout<<GridLogMessage<<"= < phi | Deo | chi > * = < chi | Deo^dag| phi> "<<std::endl;
|
||||
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
||||
|
||||
FermionField chi_e (&RBGrid);
|
||||
FermionField chi_o (&RBGrid);
|
||||
|
||||
FermionField dchi_e (&RBGrid);
|
||||
FermionField dchi_o (&RBGrid);
|
||||
|
||||
FermionField phi_e (&RBGrid);
|
||||
FermionField phi_o (&RBGrid);
|
||||
|
||||
FermionField dphi_e (&RBGrid);
|
||||
FermionField dphi_o (&RBGrid);
|
||||
|
||||
pickCheckerboard(Even,chi_e,chi);
|
||||
pickCheckerboard(Odd ,chi_o,chi);
|
||||
pickCheckerboard(Even,phi_e,phi);
|
||||
pickCheckerboard(Odd ,phi_o,phi);
|
||||
|
||||
Dwc.Meooe(chi_e,dchi_o);
|
||||
Dwc.Meooe(chi_o,dchi_e);
|
||||
Dwc.MeooeDag(phi_e,dphi_o);
|
||||
Dwc.MeooeDag(phi_o,dphi_e);
|
||||
|
||||
ComplexD pDce = innerProduct(phi_e,dchi_e);
|
||||
ComplexD pDco = innerProduct(phi_o,dchi_o);
|
||||
ComplexD cDpe = innerProduct(chi_e,dphi_e);
|
||||
ComplexD cDpo = innerProduct(chi_o,dphi_o);
|
||||
|
||||
std::cout<<GridLogMessage <<"e "<<pDce<<" "<<cDpe <<std::endl;
|
||||
std::cout<<GridLogMessage <<"o "<<pDco<<" "<<cDpo <<std::endl;
|
||||
|
||||
std::cout<<GridLogMessage <<"pDce - conj(cDpo) "<< pDce-conj(cDpo) <<std::endl;
|
||||
std::cout<<GridLogMessage <<"pDco - conj(cDpe) "<< pDco-conj(cDpe) <<std::endl;
|
||||
std::cout<<GridLogMessage <<"e "<<pDce<<" "<<cDpe <<std::endl;
|
||||
std::cout<<GridLogMessage <<"o "<<pDco<<" "<<cDpo <<std::endl;
|
||||
|
||||
std::cout<<GridLogMessage <<"pDce - conj(cDpo) "<< pDce-conj(cDpo) <<std::endl;
|
||||
std::cout<<GridLogMessage <<"pDco - conj(cDpe) "<< pDco-conj(cDpe) <<std::endl;
|
||||
|
||||
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
||||
std::cout<<GridLogMessage<<"= Test MeeInv Mee = 1 "<<std::endl;
|
||||
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
||||
|
||||
pickCheckerboard(Even,chi_e,chi);
|
||||
pickCheckerboard(Odd ,chi_o,chi);
|
||||
|
||||
Dwc.Mooee(chi_e,src_e);
|
||||
Dwc.MooeeInv(src_e,phi_e);
|
||||
|
||||
Dwc.Mooee(chi_o,src_o);
|
||||
Dwc.MooeeInv(src_o,phi_o);
|
||||
|
||||
setCheckerboard(phi,phi_e);
|
||||
setCheckerboard(phi,phi_o);
|
||||
|
||||
err = phi-chi;
|
||||
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<< std::endl;
|
||||
|
||||
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
||||
std::cout<<GridLogMessage<<"= Test MeeInvDag MeeDag = 1 "<<std::endl;
|
||||
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
||||
|
||||
pickCheckerboard(Even,chi_e,chi);
|
||||
pickCheckerboard(Odd ,chi_o,chi);
|
||||
|
||||
Dwc.MooeeDag(chi_e,src_e);
|
||||
Dwc.MooeeInvDag(src_e,phi_e);
|
||||
|
||||
Dwc.MooeeDag(chi_o,src_o);
|
||||
Dwc.MooeeInvDag(src_o,phi_o);
|
||||
|
||||
setCheckerboard(phi,phi_e);
|
||||
setCheckerboard(phi,phi_o);
|
||||
|
||||
err = phi-chi;
|
||||
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<< std::endl;
|
||||
|
||||
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
||||
std::cout<<GridLogMessage<<"= Test MpcDagMpc is Hermitian "<<std::endl;
|
||||
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
||||
|
||||
random(pRNG,phi);
|
||||
random(pRNG,chi);
|
||||
pickCheckerboard(Even,chi_e,chi);
|
||||
pickCheckerboard(Odd ,chi_o,chi);
|
||||
pickCheckerboard(Even,phi_e,phi);
|
||||
pickCheckerboard(Odd ,phi_o,phi);
|
||||
|
||||
SchurDiagMooeeOperator<WilsonCloverFermionR,FermionField> HermOpEO(Dwc);
|
||||
HermOpEO.MpcDagMpc(chi_e,dchi_e,t1,t2);
|
||||
HermOpEO.MpcDagMpc(chi_o,dchi_o,t1,t2);
|
||||
|
||||
HermOpEO.MpcDagMpc(phi_e,dphi_e,t1,t2);
|
||||
HermOpEO.MpcDagMpc(phi_o,dphi_o,t1,t2);
|
||||
|
||||
pDce = innerProduct(phi_e,dchi_e);
|
||||
pDco = innerProduct(phi_o,dchi_o);
|
||||
cDpe = innerProduct(chi_e,dphi_e);
|
||||
cDpo = innerProduct(chi_o,dphi_o);
|
||||
|
||||
std::cout<<GridLogMessage <<"e "<<pDce<<" "<<cDpe <<std::endl;
|
||||
std::cout<<GridLogMessage <<"o "<<pDco<<" "<<cDpo <<std::endl;
|
||||
|
||||
std::cout<<GridLogMessage <<"pDce - conj(cDpo) "<< pDco-conj(cDpo) <<std::endl;
|
||||
std::cout<<GridLogMessage <<"pDco - conj(cDpe) "<< pDce-conj(cDpe) <<std::endl;
|
||||
|
||||
Grid_finalize();
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user