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Hadrons: meson fields code cleaning and momentum phases
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parent
ac69f042b1
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5be6a51044
@ -51,20 +51,20 @@ class A2AMesonFieldPar : Serializable
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(A2AMesonFieldPar,
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int, cacheBlock,
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int, schurBlock,
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int, Nmom,
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int, block,
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std::string, v,
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std::string, w,
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std::string, output);
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std::string, output,
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std::vector<std::string>, mom);
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};
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template <typename FImpl>
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class TA2AMesonField : public Module<A2AMesonFieldPar>
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{
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public:
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public:
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FERM_TYPE_ALIASES(FImpl, );
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SOLVER_TYPE_ALIASES(FImpl, );
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public:
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public:
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// constructor
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TA2AMesonField(const std::string name);
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// destructor
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@ -76,18 +76,21 @@ class TA2AMesonField : public Module<A2AMesonFieldPar>
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virtual void setup(void);
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// execution
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virtual void execute(void);
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private:
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// Arithmetic help. Move to Grid??
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virtual void MesonField(Eigen::Tensor<ComplexD,5> &mat,
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virtual void makeBlock(Eigen::Tensor<ComplexD,5> &mat,
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const LatticeFermion *lhs,
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const LatticeFermion *rhs,
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std::vector<Gamma::Algebra> gammas,
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const std::vector<LatticeComplex > &mom,
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const std::vector<LatticeComplex> &mom,
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int orthogdim,
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double &t0,
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double &t1,
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double &t2,
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double &t3);
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private:
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bool hasPhase_{false};
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std::string momphName_;
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};
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MODULE_REGISTER(A2AMesonField, ARG(TA2AMesonField<FIMPL>), MContraction);
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@ -99,7 +102,8 @@ MODULE_REGISTER(ZA2AMesonField, ARG(TA2AMesonField<ZFIMPL>), MContraction);
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// constructor /////////////////////////////////////////////////////////////////
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template <typename FImpl>
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TA2AMesonField<FImpl>::TA2AMesonField(const std::string name)
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: Module<A2AMesonFieldPar>(name)
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: Module<A2AMesonFieldPar>(name)
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, momphName_(name + "_momph")
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{
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}
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@ -120,18 +124,166 @@ std::vector<std::string> TA2AMesonField<FImpl>::getOutput(void)
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return out;
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}
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// setup ///////////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TA2AMesonField<FImpl>::setup(void)
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{}
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{
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envCache(std::vector<LatticeComplex>, momphName_, 1,
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par().mom.size(), env().getGrid());
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envTmpLat(LatticeComplex, "coor");
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}
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// execution ///////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TA2AMesonField<FImpl>::execute(void)
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{
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LOG(Message) << "Computing all-to-all meson fields" << std::endl;
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auto &v = envGet(std::vector<FermionField>, par().v);
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auto &w = envGet(std::vector<FermionField>, par().w);
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// 2+6+4+4 = 16 gammas
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// Ordering defined here
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std::vector<Gamma::Algebra> gammas ( {
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Gamma::Algebra::Gamma5,
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Gamma::Algebra::Identity,
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Gamma::Algebra::GammaX,
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Gamma::Algebra::GammaY,
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Gamma::Algebra::GammaZ,
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Gamma::Algebra::GammaT,
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Gamma::Algebra::GammaXGamma5,
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Gamma::Algebra::GammaYGamma5,
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Gamma::Algebra::GammaZGamma5,
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Gamma::Algebra::GammaTGamma5,
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Gamma::Algebra::SigmaXY,
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Gamma::Algebra::SigmaXZ,
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Gamma::Algebra::SigmaXT,
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Gamma::Algebra::SigmaYZ,
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Gamma::Algebra::SigmaYT,
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Gamma::Algebra::SigmaZT
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});
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int nt = env().getDim().back();
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int N_i = w.size();
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int N_j = v.size();
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int ngamma = gammas.size();
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int nmom = par().mom.size();
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int block = par().block;
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int cacheBlock = par().cacheBlock;
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///////////////////////////////////////////////
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// Momentum setup
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///////////////////////////////////////////////
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auto &ph = envGet(std::vector<LatticeComplex>, momphName_);
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if (!hasPhase_)
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{
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MODULE_TIMER("Momentum phases");
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for (unsigned int j = 0; j < nmom; ++j)
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{
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Complex i(0.0,1.0);
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std::vector<Real> p;
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envGetTmp(LatticeComplex, coor);
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p = strToVec<Real>(par().mom[j]);
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ph[j] = zero;
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for(unsigned int mu = 0; mu < p.size(); mu++)
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{
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LatticeCoordinate(coor, mu);
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ph[j] = ph[j] + (p[mu]/env().getDim(mu))*coor;
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}
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ph[j] = exp((Real)(2*M_PI)*i*ph[j]);
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}
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hasPhase_ = true;
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}
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LOG(Message) << "MesonField size " << N_i << "x" << N_j << "x" << nt << std::endl;
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//////////////////////////////////////////////////////////////////////////
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// i,j is first loop over SchurBlock factors reusing 5D matrices
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// ii,jj is second loop over cacheBlock factors for high perf contractoin
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// iii,jjj are loops within cacheBlock
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// Total index is sum of these i+ii+iii etc...
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//////////////////////////////////////////////////////////////////////////
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double flops = 0.0;
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double bytes = 0.0;
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double vol = env().getVolume();
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double t_schur=0;
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double t_contr=0;
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double t_int_0=0;
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double t_int_1=0;
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double t_int_2=0;
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double t_int_3=0;
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double t0 = usecond();
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int NBlock_i = N_i/block + (((N_i % block) != 0) ? 1 : 0);
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int NBlock_j = N_j/block + (((N_j % block) != 0) ? 1 : 0);
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for(int i=0;i<N_i;i+=block)
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for(int j=0;j<N_j;j+=block)
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{
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///////////////////////////////////////////////////////////////
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// Get the W and V vectors for this block^2 set of terms
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///////////////////////////////////////////////////////////////
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int N_ii = MIN(N_i-i,block);
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int N_jj = MIN(N_j-j,block);
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t_schur-=usecond();
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t_schur+=usecond();
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LOG(Message) << "Meson field block "
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<< j/block + NBlock_j*i/block + 1
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<< "/" << NBlock_i*NBlock_j << " [" << i <<" .. "
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<< i+N_ii-1 << ", " << j <<" .. " << j+N_jj-1 << "]"
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<< std::endl;
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Eigen::Tensor<ComplexD,5> mfBlock(nmom,ngamma,nt,N_ii,N_jj);
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///////////////////////////////////////////////////////////////
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// Series of cache blocked chunks of the contractions within this block
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///////////////////////////////////////////////////////////////
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for(int ii=0;ii<N_ii;ii+=cacheBlock)
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for(int jj=0;jj<N_jj;jj+=cacheBlock)
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{
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int N_iii = MIN(N_ii-ii,cacheBlock);
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int N_jjj = MIN(N_jj-jj,cacheBlock);
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Eigen::Tensor<ComplexD,5> mfCache(nmom,ngamma,nt,N_iii,N_jjj);
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t_contr-=usecond();
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makeBlock(mfCache, &w[i+ii], &v[j+jj], gammas, ph,
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env().getNd() - 1, t_int_0, t_int_1, t_int_2, t_int_3);
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t_contr+=usecond();
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// flops for general N_c & N_s
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flops += vol * ( 2 * 8.0 + 6.0 + 8.0*nmom) * N_iii*N_jjj*ngamma;
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bytes += vol * (12.0 * sizeof(Complex) ) * N_iii*N_jjj
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+ vol * ( 2.0 * sizeof(Complex) *nmom ) * N_iii*N_jjj* ngamma;
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MODULE_TIMER("Cache copy");
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for(int iii=0;iii< N_iii;iii++)
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for(int jjj=0;jjj< N_jjj;jjj++)
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for(int m =0;m< nmom;m++)
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for(int g =0;g< ngamma;g++)
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for(int t =0;t< nt;t++)
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{
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mfBlock(m,g,t,ii+iii,jj+jjj) = mfCache(m,g,t,iii,jjj);
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}
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}
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}
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double nodes = env().getGrid()->NodeCount();
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double t_kernel = t_int_0 + t_int_1;
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LOG(Message) << "Perf " << flops/(t_kernel)/1.0e3/nodes << " Gflop/s/node " << std::endl;
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LOG(Message) << "Perf " << bytes/(t_kernel)/1.0e3/nodes << " GB/s/node " << std::endl;
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}
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//////////////////////////////////////////////////////////////////////////////////
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// Cache blocked arithmetic routine
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// Could move to Grid ???
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//////////////////////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TA2AMesonField<FImpl>::MesonField(Eigen::Tensor<ComplexD,5> &mat,
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void TA2AMesonField<FImpl>::makeBlock(Eigen::Tensor<ComplexD,5> &mat,
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const LatticeFermion *lhs_wi,
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const LatticeFermion *rhs_vj,
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std::vector<Gamma::Algebra> gammas,
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@ -316,143 +468,6 @@ void TA2AMesonField<FImpl>::MesonField(Eigen::Tensor<ComplexD,5> &mat,
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t3+=usecond();
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}
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// execution ///////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TA2AMesonField<FImpl>::execute(void)
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{
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LOG(Message) << "Computing A2A meson field" << std::endl;
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auto &v = envGet(std::vector<FermionField>, par().v);
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auto &w = envGet(std::vector<FermionField>, par().w);
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// 2+6+4+4 = 16 gammas
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// Ordering defined here
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std::vector<Gamma::Algebra> gammas ( {
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Gamma::Algebra::Gamma5,
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Gamma::Algebra::Identity,
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Gamma::Algebra::GammaX,
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Gamma::Algebra::GammaY,
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Gamma::Algebra::GammaZ,
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Gamma::Algebra::GammaT,
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Gamma::Algebra::GammaXGamma5,
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Gamma::Algebra::GammaYGamma5,
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Gamma::Algebra::GammaZGamma5,
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Gamma::Algebra::GammaTGamma5,
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Gamma::Algebra::SigmaXY,
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Gamma::Algebra::SigmaXZ,
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Gamma::Algebra::SigmaXT,
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Gamma::Algebra::SigmaYZ,
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Gamma::Algebra::SigmaYT,
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Gamma::Algebra::SigmaZT
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});
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///////////////////////////////////////////////
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// Square assumption for now Nl = Nr = N
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///////////////////////////////////////////////
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int nt = env().getDim(Tp);
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int nx = env().getDim(Xp);
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int ny = env().getDim(Yp);
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int nz = env().getDim(Zp);
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int N_i = w.size();
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int N_j = v.size();
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int ngamma = gammas.size();
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int schurBlock = par().schurBlock;
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int cacheBlock = par().cacheBlock;
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int nmom = par().Nmom;
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std::vector<ComplexD> corr(nt,ComplexD(0.0));
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///////////////////////////////////////////////
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// Momentum setup
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///////////////////////////////////////////////
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GridBase *grid = env().getGrid();
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std::vector<LatticeComplex> phases(nmom,grid);
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for(int m=0;m<nmom;m++)
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{
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phases[m] = Complex(1.0); // All zero momentum for now
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}
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LOG(Message) << "MesonField size " << N_i << "x" << N_j << "x" << nt << std::endl;
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//////////////////////////////////////////////////////////////////////////
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// i,j is first loop over SchurBlock factors reusing 5D matrices
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// ii,jj is second loop over cacheBlock factors for high perf contractoin
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// iii,jjj are loops within cacheBlock
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// Total index is sum of these i+ii+iii etc...
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//////////////////////////////////////////////////////////////////////////
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double flops = 0.0;
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double bytes = 0.0;
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double vol = nx*ny*nz*nt;
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double t_schur=0;
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double t_contr=0;
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double t_int_0=0;
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double t_int_1=0;
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double t_int_2=0;
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double t_int_3=0;
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double t0 = usecond();
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int NBlock_i = N_i/schurBlock + (((N_i % schurBlock) != 0) ? 1 : 0);
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int NBlock_j = N_j/schurBlock + (((N_j % schurBlock) != 0) ? 1 : 0);
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for(int i=0;i<N_i;i+=schurBlock)
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for(int j=0;j<N_j;j+=schurBlock)
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{
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///////////////////////////////////////////////////////////////
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// Get the W and V vectors for this schurBlock^2 set of terms
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///////////////////////////////////////////////////////////////
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int N_ii = MIN(N_i-i,schurBlock);
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int N_jj = MIN(N_j-j,schurBlock);
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t_schur-=usecond();
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t_schur+=usecond();
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LOG(Message) << "Meson field block "
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<< j/schurBlock + NBlock_j*i/schurBlock + 1
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<< "/" << NBlock_i*NBlock_j << " [" << i <<" .. "
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<< i+N_ii-1 << ", " << j <<" .. " << j+N_jj-1 << "]"
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<< std::endl;
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Eigen::Tensor<ComplexD,5> mesonFieldBlocked(nmom,ngamma,nt,N_ii,N_jj);
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///////////////////////////////////////////////////////////////
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// Series of cache blocked chunks of the contractions within this SchurBlock
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///////////////////////////////////////////////////////////////
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for(int ii=0;ii<N_ii;ii+=cacheBlock)
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for(int jj=0;jj<N_jj;jj+=cacheBlock)
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{
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int N_iii = MIN(N_ii-ii,cacheBlock);
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int N_jjj = MIN(N_jj-jj,cacheBlock);
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Eigen::Tensor<ComplexD,5> mesonFieldCache(nmom,ngamma,nt,N_iii,N_jjj);
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t_contr-=usecond();
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MesonField(mesonFieldCache, &w[i+ii], &v[j+jj], gammas, phases,Tp,
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t_int_0,t_int_1,t_int_2,t_int_3);
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t_contr+=usecond();
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// flops for general N_c & N_s
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flops += vol * ( 2 * 8.0 + 6.0 + 8.0*nmom) * N_iii*N_jjj*ngamma;
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bytes += vol * (12.0 * sizeof(Complex) ) * N_iii*N_jjj
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+ vol * ( 2.0 * sizeof(Complex) *nmom ) * N_iii*N_jjj* ngamma;
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MODULE_TIMER("Cache copy");
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for(int iii=0;iii< N_iii;iii++)
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for(int jjj=0;jjj< N_jjj;jjj++)
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for(int m =0;m< nmom;m++)
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for(int g =0;g< ngamma;g++)
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for(int t =0;t< nt;t++)
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{
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mesonFieldBlocked(m,g,t,ii+iii,jj+jjj) = mesonFieldCache(m,g,t,iii,jjj);
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}
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}
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}
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double nodes=grid->NodeCount();
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double t_kernel = t_int_0 + t_int_1;
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LOG(Message) << "Perf " << flops/(t_kernel)/1.0e3/nodes << " Gflop/s/node " << std::endl;
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LOG(Message) << "Perf " << bytes/(t_kernel)/1.0e3/nodes << " GB/s/node " << std::endl;
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}
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END_MODULE_NAMESPACE
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END_HADRONS_NAMESPACE
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