IJK_Test_Multigrille.cpp

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#include <IJK_Test_Multigrille.h>
#include <Interprete_bloc.h>
#include <IJK_tools.h>
#include <Perf_counters.h>
 
 
Implemente_instanciable(IJK_Test_Multigrille, "IJK_Test_Multigrille", Interprete);
 
Sortie& IJK_Test_Multigrille::printOn(Sortie& s) const
{
  return s;
}
 
Entree& IJK_Test_Multigrille::readOn(Entree& s)
{
  return s;
}
 
Entree& IJK_Test_Multigrille::interpreter(Entree& is)
{
  Domaine_IJK split;
 
  Param param(que_suis_je());
  Nom ijk_splitting_name;
  Nom name_of_dom_;
  param.ajouter("ijk_splitting", &ijk_splitting_name, Param::REQUIRED);
  param.ajouter("multigrid_solver", &poisson_solver_, Param::REQUIRED);
  param.ajouter("fichier_reprise_rhs", &fichier_reprise_rhs_);
  param.ajouter("fichier_reprise_rho", &fichier_reprise_rho_);
  param.ajouter("timestep_reprise_rhs", &timestep_reprise_rhs_);
  param.ajouter("timestep_reprise_rho", &timestep_reprise_rho_);
  param.ajouter("expression_rho", &expression_rho_);
  param.ajouter("expression_rhs", &expression_rhs_);
  param.ajouter("name_of_dom", &name_of_dom_);
  param.lire_avec_accolades(is);
 
  // Recuperation des donnees de maillage
  split = ref_cast(Domaine_IJK, Interprete_bloc::objet_global(ijk_splitting_name));
  statistics().create_custom_counter("timing_init",1,"IJK");
  statistics().begin_count("timing_init",statistics().get_last_opened_counter_level()+1);
  rho_.allocate(split, Domaine_IJK::ELEM, 0);
  rhs_.allocate(split, Domaine_IJK::ELEM, 0);
  resu_.allocate(split, Domaine_IJK::ELEM, 0);
 
  if (expression_rho_!="??")
    {
      set_field_data(rho_, expression_rho_);
      /*   Nom lata_name("rho.lata");
      dumplata_header(lata_name,rho_);
      //dumplata_add_geometry(lata_name,rho_);
      dumplata_newtime(lata_name,0.);
      dumplata_scalar(lata_name,"RHO",rho_,0);
      */
    }
  else if (fichier_reprise_rho_ != "??")
    {
      lire_dans_lata(fichier_reprise_rho_, timestep_reprise_rho_, name_of_dom_, "RHO", rho_);
    }
 
  Cout<<"End of setting rho"<<finl;
  if (expression_rhs_!="??")
    {
      set_field_data(rhs_, expression_rhs_);
    }
  else if (fichier_reprise_rhs_ != "??")
    {
      lire_dans_lata(fichier_reprise_rhs_, timestep_reprise_rhs_, name_of_dom_, "PRESSURE_RHS", rhs_);
    }
  Cout<<"End of setting rhs"<<finl;
  double t0 = statistics().get_time_since_last_open("timing_init");
  statistics().end_count("timing_init");
  statistics().begin_count("timing_init",statistics().get_last_opened_counter_level()+1);
  poisson_solver_.initialize(split);
  double t0b = statistics().get_time_since_last_open("timing_init");
  statistics().end_count("timing_init");
  Cout <<"initialisation time "<<t0<< " "<<t0b<<finl;
  statistics().create_custom_counter("timing_set_rho",1,"IJK");
  statistics().create_custom_counter("timing_solve",1,"IJK");
  statistics().begin_count("timing_set_rho",statistics().get_last_opened_counter_level()+1);
  poisson_solver_.set_rho(rho_);
  double t1 = statistics().get_time_since_last_open("timing_set_rho");
  statistics().end_count("timing_set_rho");
 
  statistics().begin_count("timing_solve",statistics().get_last_opened_counter_level()+1);
  poisson_solver_.resoudre_systeme_IJK(rhs_, resu_);
  double t2 = statistics().get_time_since_last_open("timing_solve");
  statistics().end_count("timing_solve");
 
  /*   */
  Nom lata_name("resu.lata");
  dumplata_header(lata_name,resu_);
  dumplata_add_geometry(lata_name,resu_);
  dumplata_newtime(lata_name,0.);
  dumplata_scalar(lata_name,"RESU",resu_,0);
  dumplata_scalar(lata_name,"PRESSURE_RHS",rhs_,0);
  dumplata_scalar(lata_name,"RHO",rho_,0);
  /*  */
 
#if defined WITH_SSE
  Nom optim("SSE");
#elif defined WITH_AVX
  Nom optim("AVX");
#else
  Nom optim("DISABLED");
#endif
 
  Cout << "Timing for Poisson resolution (vectorization " << optim << " ): set_rho: " << t1 << " solve: " << t2 << finl;
 
  return is;
}