portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-17 23:37:06 +01:00
Code Releases Activity

Merge branch 'feature/distil' of github.com:mmphys/Grid into feature/distil

Browse Source
This commit is contained in:
Michael Marshall
2019-03-06 11:16:34 +00:00
parent 4a00513e65 7718ee199a
commit 1880e6d12d
6 changed files with 160 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
Grid/qcd/utils/A2Autils.h
View File

@ -178,23 +178,30 @@ void A2Autils<FImpl>::NucleonFieldMom(Eigen::Tensor<ComplexD,6> &mat,
for(int i=0;i<oneBlock;i++){
auto v1 = one[i]._odata[ss];
assert(0 && "Sorry, Felix, the next line was stopping the build");
//auto pv1 = 0.5*(v1 + (double)parity*Gamma(Gamma::Algebra::GammaT)*v1);
auto pv1 = v1;
auto gv1 = Gamma(Gamma::Algebra::GammaT)*v1;
auto pv1 = 0.5*(v1 + (double)parity*gv1);
for(int j=0;j<twoBlock;j++){
auto v2 = conjugate(two[j]._odata[ss]);
// C = i gamma_2 gamma_4 => C gamma_5 = - i gamma_1 gamma_3
//auto v2g = v2*Gamma(Gamma::Algebra::SigmaXZ);
auto v2g=v2;
for(int k=0;k<threeBlock;k++){
auto v3 = three[k]._odata[ss];
// C = i gamma_2 gamma_4 => C gamma_5 = - i gamma_1 gamma_3
auto gv3 = Gamma(Gamma::Algebra::SigmaXZ) * v3;
auto gv3 = Gamma(Gamma::Algebra::SigmaXZ)*v3;
SpinVector_v vv;
for(int s1=0;s1<Ns;s1++){
for(int s2=0;s2<Ns;s2++){
/* vv()(s1)() = pv1()(s1)(0) * v2g()(s2)(1) * v3()(s2)(2) //Cross product
- pv1()(s1)(0) * v2g()(s2)(2) * v3()(s2)(1)
+ pv1()(s1)(1) * v2g()(s2)(2) * v3()(s2)(0)
- pv1()(s1)(1) * v2g()(s2)(0) * v3()(s2)(2)
+ pv1()(s1)(2) * v2g()(s2)(0) * v3()(s2)(1)
- pv1()(s1)(2) * v2g()(s2)(1) * v3()(s2)(0); */
vv()(s1)() = pv1()(s1)(0) * v2()(s2)(1) * gv3()(s2)(2) //Cross product
- pv1()(s1)(0) * v2()(s2)(2) * gv3()(s2)(1)
+ pv1()(s1)(1) * v2()(s2)(2) * gv3()(s2)(0)
@ -208,7 +215,9 @@ void A2Autils<FImpl>::NucleonFieldMom(Eigen::Tensor<ComplexD,6> &mat,
for ( int m=0;m<Nmom;m++){
int idx = m+base;
auto phase = mom[m]._odata[ss];
mac(&lvSum[idx],&vv,&phase()()());
for(int is=0;is<Ns;is++){
mac(&lvSum[idx]()(is)(),&vv()(is)(),&phase()()());
}
}
}
}
@ -222,8 +231,7 @@ void A2Autils<FImpl>::NucleonFieldMom(Eigen::Tensor<ComplexD,6> &mat,
parallel_for(int rt=0;rt<rd;rt++){
std::vector<int> icoor(nd);
iScalar<vector_type> temp;
std::vector<iScalar<SpinVector_s> > extracted(Nsimd);
std::vector<SpinVector_s> extracted(Nsimd);
for(int i=0;i<oneBlock;i++){
for(int j=0;j<twoBlock;j++){
@ -232,8 +240,7 @@ void A2Autils<FImpl>::NucleonFieldMom(Eigen::Tensor<ComplexD,6> &mat,
int ij_rdx = m+Nmom*i + Nmom*oneBlock * j + Nmom*oneBlock * twoBlock * k + Nmom*oneBlock * twoBlock *threeBlock * rt;
temp._internal = lvSum[ij_rdx];
extract(temp,extracted);
extract(lvSum[ij_rdx],extracted);
for(int idx=0;idx<Nsimd;idx++){
@ -243,7 +250,7 @@ void A2Autils<FImpl>::NucleonFieldMom(Eigen::Tensor<ComplexD,6> &mat,
int ij_ldx = m+Nmom*i + Nmom*oneBlock * j + Nmom*oneBlock * twoBlock * k + Nmom*oneBlock * twoBlock *threeBlock * ldx;
lsSum[ij_ldx]=lsSum[ij_ldx]+extracted[idx]._internal;
lsSum[ij_ldx]=lsSum[ij_ldx]+extracted[idx];
}
}}}}