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Still to test this fully

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This commit is contained in:
Peter Boyle 2019-06-15 12:35:14 +01:00
parent a1ec2f4723
commit 464cd65931
1 changed files with 52 additions and 68 deletions
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120
Grid/qcd/action/fermion/implementation/DomainWallEOFAFermionCache.h
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@ -53,25 +53,17 @@ void DomainWallEOFAFermion<Impl>::M5D(const FermionField& psi_i, const FermionFi
this->M5Dcalls++;
this->M5Dtime -= usecond();
thread_loop( (int ss=0; ss<grid->oSites(); ss+=Ls),{ // adds Ls
auto nloop=grid->oSites()/Ls;
accelerator_for(sss,nloop,Simd::Nsimd(),{
auto ss=sss*Ls;
typedef decltype(coalescedRead(psi[0])) spinor;
for(int s=0; s<Ls; s++){
auto tmp = psi[0];
if(s==0) {
spProj5m(tmp, psi[ss+s+1]);
chi[ss+s] = diag[s]*phi[ss+s] + upper[s]*tmp;
spProj5p(tmp, psi[ss+Ls-1]);
chi[ss+s] = chi[ss+s] + lower[s]*tmp;
} else if(s==(Ls-1)) {
spProj5m(tmp, psi[ss+0]);
chi[ss+s] = diag[s]*phi[ss+s] + upper[s]*tmp;
spProj5p(tmp, psi[ss+s-1]);
chi[ss+s] = chi[ss+s] + lower[s]*tmp;
} else {
spProj5m(tmp, psi[ss+s+1]);
chi[ss+s] = diag[s]*phi[ss+s] + upper[s]*tmp;
spProj5p(tmp, psi[ss+s-1]);
chi[ss+s] = chi[ss+s] + lower[s]*tmp;
}
spinor tmp1, tmp2;
uint64_t idx_u = ss+((s+1)%Ls);
uint64_t idx_l = ss+((s+Ls-1)%Ls);
spProj5m(tmp1, psi(idx_u));
spProj5p(tmp2, psi(idx_l));
coalescedWrite(chi[ss+s], diag[s]*phi(ss+s) + upper[s]*tmp1 + lower[s]*tmp2);
}
});
@ -95,25 +87,17 @@ void DomainWallEOFAFermion<Impl>::M5Ddag(const FermionField& psi_i, const Fermio
this->M5Dcalls++;
this->M5Dtime -= usecond();
thread_loop((int ss=0; ss<grid->oSites(); ss+=Ls),{ // adds Ls
auto tmp = psi[0];
auto nloop=grid->oSites()/Ls;
accelerator_for(sss,nloop,Simd::Nsimd(),{
typedef decltype(coalescedRead(psi[0])) spinor;
auto ss=sss*Ls;
for(int s=0; s<Ls; s++){
if(s==0) {
spProj5p(tmp, psi[ss+s+1]);
chi[ss+s] = diag[s]*phi[ss+s] + upper[s]*tmp;
spProj5m(tmp, psi[ss+Ls-1]);
chi[ss+s] = chi[ss+s] + lower[s]*tmp;
} else if(s==(Ls-1)) {
spProj5p(tmp, psi[ss+0]);
chi[ss+s] = diag[s]*phi[ss+s] + upper[s]*tmp;
spProj5m(tmp, psi[ss+s-1]);
chi[ss+s] = chi[ss+s] + lower[s]*tmp;
} else {
spProj5p(tmp, psi[ss+s+1]);
chi[ss+s] = diag[s]*phi[ss+s] + upper[s]*tmp;
spProj5m(tmp, psi[ss+s-1]);
chi[ss+s] = chi[ss+s] + lower[s]*tmp;
}
spinor tmp1, tmp2;
uint64_t idx_u = ss+((s+1)%Ls);
uint64_t idx_l = ss+((s+Ls-1)%Ls);
spProj5p(tmp1, psi(idx_u));
spProj5m(tmp2, psi(idx_l));
coalescedWrite(chi[ss+s], diag[s]*phi(ss+s) + upper[s]*tmp1 + lower[s]*tmp2);
}
});
@ -131,40 +115,40 @@ void DomainWallEOFAFermion<Impl>::MooeeInv(const FermionField& psi_i, FermionFie
this->MooeeInvCalls++;
this->MooeeInvTime -= usecond();
thread_loop((int ss=0; ss<grid->oSites(); ss+=Ls),{ // adds Ls
auto tmp1 = psi[0];
auto tmp2 = psi[0];
uint64_t nloop=grid->oSites()/Ls;
accelerator_for(sss,nloop,Simd::Nsimd(),{
auto ss=sss*Ls;
typedef decltype(coalescedRead(psi[0])) spinor;
spinor tmp1,tmp2;
// flops = 12*2*Ls + 12*2*Ls + 3*12*Ls + 12*2*Ls = 12*Ls * (9) = 108*Ls flops
// Apply (L^{\prime})^{-1}
chi[ss] = psi[ss]; // chi[0]=psi[0]
coalescedWrite(chi[ss],psi(ss)); // chi[0]=psi[0]
for(int s=1; s<Ls; s++){
spProj5p(tmp1, chi[ss+s-1]);
chi[ss+s] = psi[ss+s] - this->lee[s-1]*tmp1;
spProj5p(tmp1, chi(ss+s-1));
coalescedWrite(chi[ss+s], psi(ss+s) - this->lee[s-1]*tmp1);
}
// L_m^{-1}
for(int s=0; s<Ls-1; s++){ // Chi[ee] = 1 - sum[s<Ls-1] -leem[s]P_- chi
spProj5m(tmp1, chi[ss+s]);
chi[ss+Ls-1] = chi[ss+Ls-1] - this->leem[s]*tmp1;
spProj5m(tmp1, chi(ss+s));
coalescedWrite(chi[ss+Ls-1], chi(ss+Ls-1) - this->leem[s]*tmp1);
}
// U_m^{-1} D^{-1}
for(int s=0; s<Ls-1; s++){ // Chi[s] + 1/d chi[s]
spProj5p(tmp1, chi[ss+Ls-1]);
chi[ss+s] = (1.0/this->dee[s])*chi[ss+s] - (this->ueem[s]/this->dee[Ls])*tmp1;
spProj5p(tmp1, chi(ss+Ls-1));
coalescedWrite(chi[ss+s], (1.0/this->dee[s])*chi(ss+s) - (this->ueem[s]/this->dee[Ls])*tmp1);
}
spProj5m(tmp2, chi[ss+Ls-1]);
chi[ss+Ls-1] = (1.0/this->dee[Ls])*tmp1 + (1.0/this->dee[Ls-1])*tmp2;
spProj5m(tmp2, chi(ss+Ls-1));
coalescedWrite(chi[ss+Ls-1],(1.0/this->dee[Ls])*tmp1 + (1.0/this->dee[Ls-1])*tmp2);
// Apply U^{-1}
for(int s=Ls-2; s>=0; s--){
spProj5m(tmp1, chi[ss+s+1]);
chi[ss+s] = chi[ss+s] - this->uee[s]*tmp1;
spProj5m(tmp1, chi(ss+s+1));
coalescedWrite(chi[ss+s], chi(ss+s) - this->uee[s]*tmp1);
}
});
this->MooeeInvTime += usecond();
}
@ -196,37 +180,37 @@ void DomainWallEOFAFermion<Impl>::MooeeInvDag(const FermionField& psi_i, Fermion
this->MooeeInvCalls++;
this->MooeeInvTime -= usecond();
thread_loop((int ss=0; ss<grid->oSites(); ss+=Ls),{ // adds Ls
auto tmp1 = psi[0];
auto tmp2 = psi[0];
auto nloop = grid->oSites()/Ls;
accelerator_for(sss,nloop,Simd::Nsimd(),{
typedef decltype(coalescedRead(psi[0])) spinor;
spinor tmp1,tmp2;
auto ss=sss*Ls;
// Apply (U^{\prime})^{-dagger}
chi[ss] = psi[ss];
coalescedWrite(chi[ss], psi(ss));
for(int s=1; s<Ls; s++){
spProj5m(tmp1, chi[ss+s-1]);
chi[ss+s] = psi[ss+s] - ueec[s-1]*tmp1;
spProj5m(tmp1, chi(ss+s-1));
coalescedWrite(chi[ss+s], psi(ss+s) - ueec[s-1]*tmp1);
}
// U_m^{-\dagger}
for(int s=0; s<Ls-1; s++){
spProj5p(tmp1, chi[ss+s]);
chi[ss+Ls-1] = chi[ss+Ls-1] - ueemc[s]*tmp1;
spProj5p(tmp1, chi(ss+s));
coalescedWrite(chi[ss+Ls-1], chi(ss+Ls-1) - ueemc[s]*tmp1);
}
// L_m^{-\dagger} D^{-dagger}
for(int s=0; s<Ls-1; s++){
spProj5m(tmp1, chi[ss+Ls-1]);
chi[ss+s] = (1.0/deec[s])*chi[ss+s] - (leemc[s]/deec[Ls-1])*tmp1;
spProj5m(tmp1, chi(ss+Ls-1));
coalescedWrite(chi[ss+s] ,(1.0/deec[s])*chi(ss+s) - (leemc[s]/deec[Ls-1])*tmp1);
}
spProj5p(tmp2, chi[ss+Ls-1]);
chi[ss+Ls-1] = (1.0/deec[Ls-1])*tmp1 + (1.0/deec[Ls])*tmp2;
spProj5p(tmp2, chi(ss+Ls-1));
coalescedWrite(chi[ss+Ls-1], (1.0/deec[Ls-1])*tmp1 + (1.0/deec[Ls])*tmp2);
// Apply L^{-dagger}
for(int s=Ls-2; s>=0; s--){
spProj5p(tmp1, chi[ss+s+1]);
chi[ss+s] = chi[ss+s] - leec[s]*tmp1;
spProj5p(tmp1, chi(ss+s+1));
coalescedWrite(chi[ss+s],chi(ss+s) - leec[s]*tmp1);
}
});