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Changes to meson field benchmark. Now includes the gammas in the final part of the naive method, both methods compute

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lhs^dag*Gamma*rhs (previously Gamma*lhs^dag*rhs), and checks results.
This commit is contained in:
fionnoh 2018-07-27 18:31:10 +01:00
parent 71e1006ba8
commit 2679df034f
1 changed files with 57 additions and 30 deletions
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87
benchmarks/Benchmark_meson_field.cc
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@ -223,13 +223,11 @@ void sliceInnerProductMesonFieldGamma(std::vector< std::vector<ComplexD> > &mat,
for(int b=0;b<e2;b++){ for(int b=0;b<e2;b++){
int ss= so+n*stride+b; int ss= so+n*stride+b;
for(int i=0;i<Lblock;i++){ for(int i=0;i<Lblock;i++){
auto left = conjugate(lhs[i]._odata[ss]);
for(int j=0;j<Rblock;j++){
for(int mu=0;mu<Ngamma;mu++){ for(int mu=0;mu<Ngamma;mu++){
auto left = Gamma(gammas[mu])*conjugate(lhs[i]._odata[ss]); auto right = Gamma(gammas[mu])*rhs[j]._odata[ss];
for(int j=0;j<Rblock;j++){
auto right = rhs[j]._odata[ss];
vector_type vv = left()(0)(0) * right()(0)(0) vector_type vv = left()(0)(0) * right()(0)(0)
+ left()(0)(1) * right()(0)(1) + left()(0)(1) * right()(0)(1)
@ -291,14 +289,15 @@ void sliceInnerProductMesonFieldGamma(std::vector< std::vector<ComplexD> > &mat,
int lt = t % ld; int lt = t % ld;
for(int i=0;i<Lblock;i++){ for(int i=0;i<Lblock;i++){
for(int j=0;j<Rblock;j++){ for(int j=0;j<Rblock;j++){
for(int mu=0;mu<Ngamma;mu++){
if (pt == grid->_processor_coor[orthogdim]){ if (pt == grid->_processor_coor[orthogdim]){
int ij_dx = i + Lblock * j + Lblock * Rblock * lt; int ij_dx = mu+i*Ngamma+Ngamma*Lblock*j+Ngamma*Lblock*Rblock* lt;
mat[i+j*Lblock][t] = lsSum[ij_dx]; mat[mu+i*Ngamma+j*Lblock*Ngamma][t] = lsSum[ij_dx];
} }
else{ else{
mat[i+j*Lblock][t] = scalar_type(0.0); mat[mu+i*Ngamma+j*Lblock*Ngamma][t] = scalar_type(0.0);
} }
}} }}}
} }
std::cout << GridLogMessage << " Done "<<std::endl; std::cout << GridLogMessage << " Done "<<std::endl;
// defer sum over nodes. // defer sum over nodes.
@ -382,7 +381,7 @@ void sliceInnerProductMesonFieldGamma1(std::vector< std::vector<ComplexD> > &mat
auto right = rhs[j]._odata[ss]; auto right = rhs[j]._odata[ss];
for(int s1=0;s1<Ns;s1++){ for(int s1=0;s1<Ns;s1++){
for(int s2=0;s2<Ns;s2++){ for(int s2=0;s2<Ns;s2++){
vv()(s1,s2)() = left()(s1)(0) * right()(s2)(0) vv()(s2,s1)() = left()(s1)(0) * right()(s2)(0)
+ left()(s1)(1) * right()(s2)(1) + left()(s1)(1) * right()(s2)(1)
+ left()(s1)(2) * right()(s2)(2); + left()(s1)(2) * right()(s2)(2);
}} }}
@ -392,10 +391,10 @@ void sliceInnerProductMesonFieldGamma1(std::vector< std::vector<ComplexD> > &mat
lvSum[idx]=lvSum[idx]+vv; lvSum[idx]=lvSum[idx]+vv;
} }
}
} }
} }
} }
}
std::cout << GridLogMessage << " Entering second parallel loop "<<std::endl; std::cout << GridLogMessage << " Entering second parallel loop "<<std::endl;
// Sum across simd lanes in the plane, breaking out orthog dir. // Sum across simd lanes in the plane, breaking out orthog dir.
@ -434,12 +433,12 @@ void sliceInnerProductMesonFieldGamma1(std::vector< std::vector<ComplexD> > &mat
for(int j=0;j<Rblock;j++){ for(int j=0;j<Rblock;j++){
if (pt == grid->_processor_coor[orthogdim]){ if (pt == grid->_processor_coor[orthogdim]){
int ij_dx = i + Lblock * j + Lblock * Rblock * lt; int ij_dx = i + Lblock * j + Lblock * Rblock * lt;
for(int mu=0;mu<Ngamma;mu++){ for(int mu=0;mu<Ngamma;mu++){
mat[mu+i*Ngamma+j*Lblock*Ngamma][t] = trace(lsSum[ij_dx]*Gamma(gammas[mu])); mat[mu+i*Ngamma+j*Lblock*Ngamma][t] = trace(lsSum[ij_dx]*Gamma(gammas[mu]));
} }
} }
else{ else{
for(int mu=0;mu<Ngamma;mu++){ for(int mu=0;mu<Ngamma;mu++){
mat[mu+i*Ngamma+j*Lblock*Ngamma][t] = scalar_type(0.0); mat[mu+i*Ngamma+j*Lblock*Ngamma][t] = scalar_type(0.0);
} }
} }
@ -465,22 +464,22 @@ std::vector<Gamma::Algebra> Gmu4 ( {
Gamma::Algebra::GammaT }); Gamma::Algebra::GammaT });
std::vector<Gamma::Algebra> Gmu16 ( { std::vector<Gamma::Algebra> Gmu16 ( {
Gamma::Algebra::GammaX, Gamma::Algebra::Gamma5,
Gamma::Algebra::GammaY,
Gamma::Algebra::GammaZ,
Gamma::Algebra::GammaT, Gamma::Algebra::GammaT,
Gamma::Algebra::GammaTGamma5,
Gamma::Algebra::GammaX, Gamma::Algebra::GammaX,
Gamma::Algebra::GammaXGamma5,
Gamma::Algebra::GammaY, Gamma::Algebra::GammaY,
Gamma::Algebra::GammaYGamma5,
Gamma::Algebra::GammaZ, Gamma::Algebra::GammaZ,
Gamma::Algebra::GammaT, Gamma::Algebra::GammaZGamma5,
Gamma::Algebra::GammaX, Gamma::Algebra::Identity,
Gamma::Algebra::GammaY, Gamma::Algebra::SigmaXT,
Gamma::Algebra::GammaZ, Gamma::Algebra::SigmaXY,
Gamma::Algebra::GammaT, Gamma::Algebra::SigmaXZ,
Gamma::Algebra::GammaX, Gamma::Algebra::SigmaYT,
Gamma::Algebra::GammaY, Gamma::Algebra::SigmaYZ,
Gamma::Algebra::GammaZ, Gamma::Algebra::SigmaZT
Gamma::Algebra::GammaT
}); });
int main (int argc, char ** argv) int main (int argc, char ** argv)
@ -507,6 +506,7 @@ int main (int argc, char ** argv)
std::vector<LatticeFermion> v(Nm,&Grid); std::vector<LatticeFermion> v(Nm,&Grid);
std::vector<LatticeFermion> w(Nm,&Grid); std::vector<LatticeFermion> w(Nm,&Grid);
std::vector<LatticeFermion> gammaV(Nm,&Grid);
for(int i=0;i<Nm;i++) { for(int i=0;i<Nm;i++) {
random(pRNG,v[i]); random(pRNG,v[i]);
@ -520,12 +520,14 @@ int main (int argc, char ** argv)
std::vector<std::vector<ComplexD> > MesonFields (Nm*Nm); std::vector<std::vector<ComplexD> > MesonFields (Nm*Nm);
std::vector<std::vector<ComplexD> > MesonFields4 (Nm*Nm*4); std::vector<std::vector<ComplexD> > MesonFields4 (Nm*Nm*4);
std::vector<std::vector<ComplexD> > MesonFields16 (Nm*Nm*16); std::vector<std::vector<ComplexD> > MesonFields16 (Nm*Nm*16);
std::vector<std::vector<ComplexD> > MesonFields161(Nm*Nm*16);
std::vector<std::vector<ComplexD> > MesonFieldsRef(Nm*Nm); std::vector<std::vector<ComplexD> > MesonFieldsRef(Nm*Nm);
for(int i=0;i<MesonFields.size();i++ ) MesonFields [i].resize(nt); for(int i=0;i<MesonFields.size();i++ ) MesonFields [i].resize(nt);
for(int i=0;i<MesonFieldsRef.size();i++) MesonFieldsRef[i].resize(nt); for(int i=0;i<MesonFieldsRef.size();i++) MesonFieldsRef[i].resize(nt);
for(int i=0;i<MesonFields4.size();i++ ) MesonFields4 [i].resize(nt); for(int i=0;i<MesonFields4.size();i++ ) MesonFields4 [i].resize(nt);
for(int i=0;i<MesonFields16.size();i++ ) MesonFields16 [i].resize(nt); for(int i=0;i<MesonFields16.size();i++ ) MesonFields16 [i].resize(nt);
for(int i=0;i<MesonFields161.size();i++ ) MesonFields161[i].resize(nt);
GridLogMessage.TimingMode(1); GridLogMessage.TimingMode(1);
@ -580,7 +582,7 @@ int main (int argc, char ** argv)
byte = vol * (12.0 * sizeof(Complex) ) * Nm*Nm byte = vol * (12.0 * sizeof(Complex) ) * Nm*Nm
+ vol * ( 2.0 * sizeof(Complex) ) * Nm*Nm* 16; + vol * ( 2.0 * sizeof(Complex) ) * Nm*Nm* 16;
t0 = usecond(); t0 = usecond();
sliceInnerProductMesonFieldGamma1(MesonFields16,w,v,Tp,Gmu16); sliceInnerProductMesonFieldGamma1(MesonFields161, w, v, Tp, Gmu16);
t1 = usecond(); t1 = usecond();
std::cout<<GridLogMessage << "Done "<< (t1-t0) <<" usecond " <<std::endl; std::cout<<GridLogMessage << "Done "<< (t1-t0) <<" usecond " <<std::endl;
std::cout<<GridLogMessage << "Done "<< flops/(t1-t0) <<" mflops " <<std::endl; std::cout<<GridLogMessage << "Done "<< flops/(t1-t0) <<" mflops " <<std::endl;
@ -589,7 +591,9 @@ int main (int argc, char ** argv)
RealD err = 0; RealD err = 0;
RealD err2 = 0;
ComplexD diff; ComplexD diff;
ComplexD diff2;
for(int i=0;i<Nm;i++) { for(int i=0;i<Nm;i++) {
for(int j=0;j<Nm;j++) { for(int j=0;j<Nm;j++) {
@ -600,6 +604,29 @@ int main (int argc, char ** argv)
}} }}
std::cout<<GridLogMessage << "Norm error "<< err <<std::endl; std::cout<<GridLogMessage << "Norm error "<< err <<std::endl;
err = err*0.;
diff = diff*0.;
for (int mu = 0; mu < 16; mu++){
for (int k = 0; k < gammaV.size(); k++){
gammaV[k] = Gamma(Gmu16[mu]) * v[k];
}
for (int i = 0; i < Nm; i++){
for (int j = 0; j < Nm; j++){
sliceInnerProductVector(ip, w[i], gammaV[j], Tp);
for (int t = 0; t < nt; t++){
MesonFields[i + j * Nm][t] = ip[t];
diff = MesonFields16[mu+i*16+Nm*16*j][t] - MesonFields161[mu+i*16+Nm*16*j][t];
diff2 = MesonFields[i+j*Nm][t] - MesonFields161[mu+i*16+Nm*16*j][t];
err += real(diff*conj(diff));
err2 += real(diff2*conj(diff2));
}
}
}
}
std::cout << GridLogMessage << "Norm error 16 gamma1/16 gamma naive " << err << std::endl;
std::cout << GridLogMessage << "Norm error 16 gamma1/sliceInnerProduct " << err2 << std::endl;
Grid_finalize(); Grid_finalize();
} }