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Hadrons: meson fields code cleaning and momentum phases
This commit is contained in:
parent
ac69f042b1
commit
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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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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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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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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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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@ -142,315 +294,178 @@ void TA2AMesonField<FImpl>::MesonField(Eigen::Tensor<ComplexD,5> &mat,
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double &t2,
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double &t3)
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{
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typedef typename FImpl::SiteSpinor vobj;
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typedef typename FImpl::SiteSpinor vobj;
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typedef typename vobj::scalar_object sobj;
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typedef typename vobj::scalar_type scalar_type;
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typedef typename vobj::vector_type vector_type;
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typedef typename vobj::scalar_object sobj;
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typedef typename vobj::scalar_type scalar_type;
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typedef typename vobj::vector_type vector_type;
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typedef iSpinMatrix<vector_type> SpinMatrix_v;
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typedef iSpinMatrix<scalar_type> SpinMatrix_s;
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int Lblock = mat.dimension(3);
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int Rblock = mat.dimension(4);
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typedef iSpinMatrix<vector_type> SpinMatrix_v;
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typedef iSpinMatrix<scalar_type> SpinMatrix_s;
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int Lblock = mat.dimension(3);
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int Rblock = mat.dimension(4);
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GridBase *grid = lhs_wi[0]._grid;
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const int Nd = grid->_ndimension;
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const int Nsimd = grid->Nsimd();
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GridBase *grid = lhs_wi[0]._grid;
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const int Nd = grid->_ndimension;
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const int Nsimd = grid->Nsimd();
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int Nt = grid->GlobalDimensions()[orthogdim];
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int Ngamma = gammas.size();
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int Nmom = mom.size();
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int Nt = grid->GlobalDimensions()[orthogdim];
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int Ngamma = gammas.size();
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int Nmom = mom.size();
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int fd=grid->_fdimensions[orthogdim];
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int ld=grid->_ldimensions[orthogdim];
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int rd=grid->_rdimensions[orthogdim];
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int fd=grid->_fdimensions[orthogdim];
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int ld=grid->_ldimensions[orthogdim];
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int rd=grid->_rdimensions[orthogdim];
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// will locally sum vectors first
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// sum across these down to scalars
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// splitting the SIMD
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int MFrvol = rd*Lblock*Rblock*Nmom;
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int MFlvol = ld*Lblock*Rblock*Nmom;
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// will locally sum vectors first
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// sum across these down to scalars
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// splitting the SIMD
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int MFrvol = rd*Lblock*Rblock*Nmom;
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int MFlvol = ld*Lblock*Rblock*Nmom;
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Vector<SpinMatrix_v > lvSum(MFrvol);
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parallel_for (int r = 0; r < MFrvol; r++)
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{
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lvSum[r] = zero;
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}
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Vector<SpinMatrix_s > lsSum(MFlvol);
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parallel_for (int r = 0; r < MFlvol; r++){
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lsSum[r]=scalar_type(0.0);
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}
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int e1= grid->_slice_nblock[orthogdim];
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int e2= grid->_slice_block [orthogdim];
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int stride=grid->_slice_stride[orthogdim];
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t0-=usecond();
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MODULE_TIMER("Colour trace * mom.");
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// Nested parallelism would be ok
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// Wasting cores here. Test case r
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parallel_for(int r=0;r<rd;r++)
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{
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int so=r*grid->_ostride[orthogdim]; // base offset for start of plane
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for(int n=0;n<e1;n++)
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for(int b=0;b<e2;b++)
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Vector<SpinMatrix_v > lvSum(MFrvol);
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parallel_for (int r = 0; r < MFrvol; r++)
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{
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int ss= so+n*stride+b;
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for(int i=0;i<Lblock;i++)
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{
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auto left = conjugate(lhs_wi[i]._odata[ss]);
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for(int j=0;j<Rblock;j++)
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{
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SpinMatrix_v vv;
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auto right = rhs_vj[j]._odata[ss];
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for(int s1=0;s1<Ns;s1++)
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for(int s2=0;s2<Ns;s2++)
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{
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vv()(s1,s2)() = left()(s2)(0) * right()(s1)(0)
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+ left()(s2)(1) * right()(s1)(1)
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+ left()(s2)(2) * right()(s1)(2);
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}
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// After getting the sitewise product do the mom phase loop
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int base = Nmom*i+Nmom*Lblock*j+Nmom*Lblock*Rblock*r;
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for ( int m=0;m<Nmom;m++)
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{
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int idx = m+base;
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auto phase = mom[m]._odata[ss];
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mac(&lvSum[idx],&vv,&phase);
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}
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}
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}
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lvSum[r] = zero;
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}
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}
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t0+=usecond();
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// Sum across simd lanes in the plane, breaking out orthog dir.
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MODULE_TIMER("Local space sum");
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t1-=usecond();
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parallel_for(int rt=0;rt<rd;rt++)
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{
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std::vector<int> icoor(Nd);
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std::vector<SpinMatrix_s> extracted(Nsimd);
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for(int i=0;i<Lblock;i++)
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for(int j=0;j<Rblock;j++)
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for(int m=0;m<Nmom;m++)
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{
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int ij_rdx = m+Nmom*i+Nmom*Lblock*j+Nmom*Lblock*Rblock*rt;
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extract(lvSum[ij_rdx],extracted);
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for(int idx=0;idx<Nsimd;idx++)
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{
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grid->iCoorFromIindex(icoor,idx);
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int ldx = rt+icoor[orthogdim]*rd;
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int ij_ldx = m+Nmom*i+Nmom*Lblock*j+Nmom*Lblock*Rblock*ldx;
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lsSum[ij_ldx]=lsSum[ij_ldx]+extracted[idx];
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}
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Vector<SpinMatrix_s > lsSum(MFlvol);
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parallel_for (int r = 0; r < MFlvol; r++){
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lsSum[r]=scalar_type(0.0);
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}
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}
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t1+=usecond();
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assert(mat.dimension(0) == Nmom);
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assert(mat.dimension(1) == Ngamma);
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assert(mat.dimension(2) == Nt);
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t2-=usecond();
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// ld loop and local only??
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MODULE_TIMER("Spin trace");
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int pd = grid->_processors[orthogdim];
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int pc = grid->_processor_coor[orthogdim];
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parallel_for_nest2(int lt=0;lt<ld;lt++)
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{
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for(int pt=0;pt<pd;pt++)
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int e1= grid->_slice_nblock[orthogdim];
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int e2= grid->_slice_block [orthogdim];
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int stride=grid->_slice_stride[orthogdim];
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t0-=usecond();
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MODULE_TIMER("Colour trace * mom.");
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// Nested parallelism would be ok
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// Wasting cores here. Test case r
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parallel_for(int r=0;r<rd;r++)
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{
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int t = lt + pt*ld;
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if (pt == pc)
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{
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for(int i=0;i<Lblock;i++)
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for(int j=0;j<Rblock;j++)
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for(int m=0;m<Nmom;m++)
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{
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int ij_dx = m+Nmom*i + Nmom*Lblock * j + Nmom*Lblock * Rblock * lt;
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int so=r*grid->_ostride[orthogdim]; // base offset for start of plane
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for(int mu=0;mu<Ngamma;mu++)
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{
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// this is a bit slow
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mat(m,mu,t,i,j) = trace(lsSum[ij_dx]*Gamma(gammas[mu]));
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}
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}
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}
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else
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{
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const scalar_type zz(0.0);
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for(int n=0;n<e1;n++)
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for(int b=0;b<e2;b++)
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{
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int ss= so+n*stride+b;
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for(int i=0;i<Lblock;i++)
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{
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auto left = conjugate(lhs_wi[i]._odata[ss]);
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for(int j=0;j<Rblock;j++)
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{
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SpinMatrix_v vv;
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auto right = rhs_vj[j]._odata[ss];
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|
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for(int s1=0;s1<Ns;s1++)
|
||||
for(int s2=0;s2<Ns;s2++)
|
||||
{
|
||||
vv()(s1,s2)() = left()(s2)(0) * right()(s1)(0)
|
||||
+ left()(s2)(1) * right()(s1)(1)
|
||||
+ left()(s2)(2) * right()(s1)(2);
|
||||
}
|
||||
|
||||
// After getting the sitewise product do the mom phase loop
|
||||
int base = Nmom*i+Nmom*Lblock*j+Nmom*Lblock*Rblock*r;
|
||||
|
||||
for ( int m=0;m<Nmom;m++)
|
||||
{
|
||||
int idx = m+base;
|
||||
auto phase = mom[m]._odata[ss];
|
||||
mac(&lvSum[idx],&vv,&phase);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
t0+=usecond();
|
||||
|
||||
// Sum across simd lanes in the plane, breaking out orthog dir.
|
||||
MODULE_TIMER("Local space sum");
|
||||
t1-=usecond();
|
||||
parallel_for(int rt=0;rt<rd;rt++)
|
||||
{
|
||||
std::vector<int> icoor(Nd);
|
||||
std::vector<SpinMatrix_s> extracted(Nsimd);
|
||||
|
||||
for(int i=0;i<Lblock;i++)
|
||||
for(int j=0;j<Rblock;j++)
|
||||
for(int mu=0;mu<Ngamma;mu++)
|
||||
for(int m=0;m<Nmom;m++)
|
||||
{
|
||||
mat(m,mu,t,i,j) =zz;
|
||||
}
|
||||
}
|
||||
|
||||
int ij_rdx = m+Nmom*i+Nmom*Lblock*j+Nmom*Lblock*Rblock*rt;
|
||||
|
||||
extract(lvSum[ij_rdx],extracted);
|
||||
for(int idx=0;idx<Nsimd;idx++)
|
||||
{
|
||||
grid->iCoorFromIindex(icoor,idx);
|
||||
|
||||
int ldx = rt+icoor[orthogdim]*rd;
|
||||
int ij_ldx = m+Nmom*i+Nmom*Lblock*j+Nmom*Lblock*Rblock*ldx;
|
||||
|
||||
lsSum[ij_ldx]=lsSum[ij_ldx]+extracted[idx];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
t2+=usecond();
|
||||
////////////////////////////////////////////////////////////////////
|
||||
// This global sum is taking as much as 50% of time on 16 nodes
|
||||
// Vector size is 7 x 16 x 32 x 16 x 16 x sizeof(complex) = 2MB - 60MB depending on volume
|
||||
// Healthy size that should suffice
|
||||
////////////////////////////////////////////////////////////////////
|
||||
t3-=usecond();
|
||||
MODULE_TIMER("Global sum");
|
||||
grid->GlobalSumVector(&mat(0,0,0,0,0),Nmom*Ngamma*Nt*Lblock*Rblock);
|
||||
t3+=usecond();
|
||||
}
|
||||
t1+=usecond();
|
||||
assert(mat.dimension(0) == Nmom);
|
||||
assert(mat.dimension(1) == Ngamma);
|
||||
assert(mat.dimension(2) == Nt);
|
||||
t2-=usecond();
|
||||
|
||||
// execution ///////////////////////////////////////////////////////////////////
|
||||
template <typename FImpl>
|
||||
void TA2AMesonField<FImpl>::execute(void)
|
||||
{
|
||||
LOG(Message) << "Computing A2A meson field" << std::endl;
|
||||
|
||||
auto &v = envGet(std::vector<FermionField>, par().v);
|
||||
auto &w = envGet(std::vector<FermionField>, par().w);
|
||||
|
||||
// 2+6+4+4 = 16 gammas
|
||||
// Ordering defined here
|
||||
std::vector<Gamma::Algebra> gammas ( {
|
||||
Gamma::Algebra::Gamma5,
|
||||
Gamma::Algebra::Identity,
|
||||
Gamma::Algebra::GammaX,
|
||||
Gamma::Algebra::GammaY,
|
||||
Gamma::Algebra::GammaZ,
|
||||
Gamma::Algebra::GammaT,
|
||||
Gamma::Algebra::GammaXGamma5,
|
||||
Gamma::Algebra::GammaYGamma5,
|
||||
Gamma::Algebra::GammaZGamma5,
|
||||
Gamma::Algebra::GammaTGamma5,
|
||||
Gamma::Algebra::SigmaXY,
|
||||
Gamma::Algebra::SigmaXZ,
|
||||
Gamma::Algebra::SigmaXT,
|
||||
Gamma::Algebra::SigmaYZ,
|
||||
Gamma::Algebra::SigmaYT,
|
||||
Gamma::Algebra::SigmaZT
|
||||
});
|
||||
|
||||
///////////////////////////////////////////////
|
||||
// Square assumption for now Nl = Nr = N
|
||||
///////////////////////////////////////////////
|
||||
int nt = env().getDim(Tp);
|
||||
int nx = env().getDim(Xp);
|
||||
int ny = env().getDim(Yp);
|
||||
int nz = env().getDim(Zp);
|
||||
int N_i = w.size();
|
||||
int N_j = v.size();
|
||||
int ngamma = gammas.size();
|
||||
int schurBlock = par().schurBlock;
|
||||
int cacheBlock = par().cacheBlock;
|
||||
int nmom = par().Nmom;
|
||||
std::vector<ComplexD> corr(nt,ComplexD(0.0));
|
||||
|
||||
///////////////////////////////////////////////
|
||||
// Momentum setup
|
||||
///////////////////////////////////////////////
|
||||
GridBase *grid = env().getGrid();
|
||||
std::vector<LatticeComplex> phases(nmom,grid);
|
||||
|
||||
for(int m=0;m<nmom;m++)
|
||||
{
|
||||
phases[m] = Complex(1.0); // All zero momentum for now
|
||||
}
|
||||
LOG(Message) << "MesonField size " << N_i << "x" << N_j << "x" << nt << std::endl;
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
// i,j is first loop over SchurBlock factors reusing 5D matrices
|
||||
// ii,jj is second loop over cacheBlock factors for high perf contractoin
|
||||
// iii,jjj are loops within cacheBlock
|
||||
// Total index is sum of these i+ii+iii etc...
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
|
||||
double flops = 0.0;
|
||||
double bytes = 0.0;
|
||||
double vol = nx*ny*nz*nt;
|
||||
double t_schur=0;
|
||||
double t_contr=0;
|
||||
double t_int_0=0;
|
||||
double t_int_1=0;
|
||||
double t_int_2=0;
|
||||
double t_int_3=0;
|
||||
|
||||
double t0 = usecond();
|
||||
int NBlock_i = N_i/schurBlock + (((N_i % schurBlock) != 0) ? 1 : 0);
|
||||
int NBlock_j = N_j/schurBlock + (((N_j % schurBlock) != 0) ? 1 : 0);
|
||||
|
||||
for(int i=0;i<N_i;i+=schurBlock)
|
||||
for(int j=0;j<N_j;j+=schurBlock)
|
||||
{
|
||||
///////////////////////////////////////////////////////////////
|
||||
// Get the W and V vectors for this schurBlock^2 set of terms
|
||||
///////////////////////////////////////////////////////////////
|
||||
int N_ii = MIN(N_i-i,schurBlock);
|
||||
int N_jj = MIN(N_j-j,schurBlock);
|
||||
|
||||
t_schur-=usecond();
|
||||
t_schur+=usecond();
|
||||
|
||||
LOG(Message) << "Meson field block "
|
||||
<< j/schurBlock + NBlock_j*i/schurBlock + 1
|
||||
<< "/" << NBlock_i*NBlock_j << " [" << i <<" .. "
|
||||
<< i+N_ii-1 << ", " << j <<" .. " << j+N_jj-1 << "]"
|
||||
<< std::endl;
|
||||
|
||||
Eigen::Tensor<ComplexD,5> mesonFieldBlocked(nmom,ngamma,nt,N_ii,N_jj);
|
||||
|
||||
///////////////////////////////////////////////////////////////
|
||||
// Series of cache blocked chunks of the contractions within this SchurBlock
|
||||
///////////////////////////////////////////////////////////////
|
||||
for(int ii=0;ii<N_ii;ii+=cacheBlock)
|
||||
for(int jj=0;jj<N_jj;jj+=cacheBlock)
|
||||
// ld loop and local only??
|
||||
MODULE_TIMER("Spin trace");
|
||||
int pd = grid->_processors[orthogdim];
|
||||
int pc = grid->_processor_coor[orthogdim];
|
||||
parallel_for_nest2(int lt=0;lt<ld;lt++)
|
||||
{
|
||||
int N_iii = MIN(N_ii-ii,cacheBlock);
|
||||
int N_jjj = MIN(N_jj-jj,cacheBlock);
|
||||
Eigen::Tensor<ComplexD,5> mesonFieldCache(nmom,ngamma,nt,N_iii,N_jjj);
|
||||
for(int pt=0;pt<pd;pt++)
|
||||
{
|
||||
int t = lt + pt*ld;
|
||||
if (pt == pc)
|
||||
{
|
||||
for(int i=0;i<Lblock;i++)
|
||||
for(int j=0;j<Rblock;j++)
|
||||
for(int m=0;m<Nmom;m++)
|
||||
{
|
||||
int ij_dx = m+Nmom*i + Nmom*Lblock * j + Nmom*Lblock * Rblock * lt;
|
||||
|
||||
t_contr-=usecond();
|
||||
MesonField(mesonFieldCache, &w[i+ii], &v[j+jj], gammas, phases,Tp,
|
||||
t_int_0,t_int_1,t_int_2,t_int_3);
|
||||
t_contr+=usecond();
|
||||
|
||||
// flops for general N_c & N_s
|
||||
flops += vol * ( 2 * 8.0 + 6.0 + 8.0*nmom) * N_iii*N_jjj*ngamma;
|
||||
bytes += vol * (12.0 * sizeof(Complex) ) * N_iii*N_jjj
|
||||
+ vol * ( 2.0 * sizeof(Complex) *nmom ) * N_iii*N_jjj* ngamma;
|
||||
for(int mu=0;mu<Ngamma;mu++)
|
||||
{
|
||||
// this is a bit slow
|
||||
mat(m,mu,t,i,j) = trace(lsSum[ij_dx]*Gamma(gammas[mu]));
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
const scalar_type zz(0.0);
|
||||
|
||||
MODULE_TIMER("Cache copy");
|
||||
for(int iii=0;iii< N_iii;iii++)
|
||||
for(int jjj=0;jjj< N_jjj;jjj++)
|
||||
for(int m =0;m< nmom;m++)
|
||||
for(int g =0;g< ngamma;g++)
|
||||
for(int t =0;t< nt;t++)
|
||||
{
|
||||
mesonFieldBlocked(m,g,t,ii+iii,jj+jjj) = mesonFieldCache(m,g,t,iii,jjj);
|
||||
}
|
||||
for(int i=0;i<Lblock;i++)
|
||||
for(int j=0;j<Rblock;j++)
|
||||
for(int mu=0;mu<Ngamma;mu++)
|
||||
for(int m=0;m<Nmom;m++)
|
||||
{
|
||||
mat(m,mu,t,i,j) =zz;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
double nodes=grid->NodeCount();
|
||||
double t_kernel = t_int_0 + t_int_1;
|
||||
|
||||
LOG(Message) << "Perf " << flops/(t_kernel)/1.0e3/nodes << " Gflop/s/node " << std::endl;
|
||||
LOG(Message) << "Perf " << bytes/(t_kernel)/1.0e3/nodes << " GB/s/node " << std::endl;
|
||||
t2+=usecond();
|
||||
////////////////////////////////////////////////////////////////////
|
||||
// This global sum is taking as much as 50% of time on 16 nodes
|
||||
// Vector size is 7 x 16 x 32 x 16 x 16 x sizeof(complex) = 2MB - 60MB depending on volume
|
||||
// Healthy size that should suffice
|
||||
////////////////////////////////////////////////////////////////////
|
||||
t3-=usecond();
|
||||
MODULE_TIMER("Global sum");
|
||||
grid->GlobalSumVector(&mat(0,0,0,0,0),Nmom*Ngamma*Nt*Lblock*Rblock);
|
||||
t3+=usecond();
|
||||
}
|
||||
|
||||
END_MODULE_NAMESPACE
|
||||
|
||||
Loading…
Reference in New Issue
Block a user