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This commit is contained in:
Felix Erben 2021-02-02 13:06:43 +00:00
parent 3594ce877b
commit 9b9a53f870
1 changed files with 32 additions and 21 deletions
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53
Grid/qcd/utils/BaryonUtils.h
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@ -1350,15 +1350,19 @@ void BaryonUtils<FImpl>::XiToSigmaQ1EyeSite(const mobj &Dq_loop,
// \gamma_\mu^L * Dq_loop
auto trGDq = TensorRemove(trace(Gamma_H * Dq_loop));
Real ee;
for (int ie_s=0; ie_s < 6 ; ie_s++){
int a_s = epsilon[ie_s][0]; //a
int b_s = epsilon[ie_s][1]; //b
int c_s = epsilon[ie_s][2]; //c
int a_s = (ie_s < 3 ? ie_s : (6-ie_s)%3 ); //epsilon[ie_s][0]; //a'
int b_s = (ie_s < 3 ? (ie_s+1)%3 : (8-ie_s)%3 ); //epsilon[ie_s][1]; //b'
int c_s = (ie_s < 3 ? (ie_s+2)%3 : (7-ie_s)%3 ); //epsilon[ie_s][2]; //c'
int eSgn_s = (ie_s < 3 ? 1 : -1);
for (int ie_x=0; ie_x < 6 ; ie_x++){
int a_x = epsilon[ie_x][0]; //a'
int b_x = epsilon[ie_x][1]; //b'
int c_x = epsilon[ie_x][2]; //c'
auto ee_GD = epsilon_sgn[ie_s] * epsilon_sgn[ie_x] * trGDq;
int a_x = (ie_x < 3 ? ie_x : (6-ie_x)%3 ); //epsilon[ie_x][0]; //a'
int b_x = (ie_x < 3 ? (ie_x+1)%3 : (8-ie_x)%3 ); //epsilon[ie_x][1]; //b'
int c_x = (ie_x < 3 ? (ie_x+2)%3 : (7-ie_x)%3 ); //epsilon[ie_x][2]; //c'
int eSgn_x = (ie_x < 3 ? 1 : -1);
ee = Real(eSgn_s * eSgn_x);
for (int alpha_x=0; alpha_x<Ns; alpha_x++){
for (int beta_s=0; beta_s<Ns; beta_s++){
auto GDsGDdG_ab_ba = GDsGDd()(alpha_x,beta_s)(b_x,a_s);
@ -1451,7 +1455,7 @@ void BaryonUtils<FImpl>::XiToSigmaEye(const PropagatorField &qq_loop,
const Gamma GammaB_xi,
const Gamma GammaB_sigma,
const std::string op,
SpinMatrixField &stn_corr)
SpinMatrixField &xts_corr)
{
assert(Ns==4 && "Baryon code only implemented for N_spin = 4");
@ -1459,24 +1463,31 @@ void BaryonUtils<FImpl>::XiToSigmaEye(const PropagatorField &qq_loop,
GridBase *grid = qs_ti.Grid();
autoView( vcorr, stn_corr, CpuWrite);
autoView( vq_loop , qq_loop, CpuRead);
autoView( vd_tf , qd_tf, CpuRead);
autoView( vs_ti , qs_ti, CpuRead);
autoView( vcorr , xts_corr , AcceleratorWrite);
autoView( vq_loop , qq_loop , AcceleratorRead);
autoView( vd_tf , qd_tf , AcceleratorRead);
autoView( vs_ti , qs_ti , AcceleratorRead);
bool doQ1 = (op == "Q1");
bool doQ2 = (op == "Q2");
Vector<mobj> my_Dq_spec{Dd_spec,Ds_spec};
mobj * Dq_spec_p = &my_Dq_spec[0];
accelerator_for(ss, grid->oSites(), grid->Nsimd(), {
auto Dq_loop = vq_loop[ss];
auto Dd_tf = vd_tf[ss];
auto Ds_ti = vs_ti[ss];
sobj result=Zero();
if(op == "Q1"){
XiToSigmaQ1EyeSite(Dq_loop,Dd_spec,Ds_spec,Dd_tf,Ds_ti,Gamma_H,GammaB_xi,GammaB_sigma,result);
} else if(op == "Q2"){
XiToSigmaQ2EyeSite(Dq_loop,Dd_spec,Ds_spec,Dd_tf,Ds_ti,Gamma_H,GammaB_xi,GammaB_sigma,result);
auto Dq_loop = vq_loop(ss);
auto Dd_tf = vd_tf(ss);
auto Ds_ti = vs_ti(ss);
typedef decltype(coalescedRead(vcorr[0])) spinor;
spinor result=Zero();
if(doQ1){
XiToSigmaQ1EyeSite(Dq_loop,Dq_spec_p[0],Dq_spec_p[1],Dd_tf,Ds_ti,Gamma_H,GammaB_xi,GammaB_sigma,result);
} else if(doQ2){
XiToSigmaQ2EyeSite(Dq_loop,Dq_spec_p[0],Dq_spec_p[0],Dd_tf,Ds_ti,Gamma_H,GammaB_xi,GammaB_sigma,result);
} else {
assert(0 && "Weak Operator not correctly specified");
}
vcorr[ss] = result;
coalescedWrite(vcorr[ss],result);
} );//end loop over lattice sites
}