action_F_Rational.cpp

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#include "lib/Action/Fermion/action_F_Rational.h"
#include "lib/ResourceManager/threadManager.h"
 
const std::string Action_F_Rational::class_name = "Action_F_Rational";
 
//====================================================================
void Action_F_Rational::set_parameters(const Parameters& params)
{
  std::string vlevel;
  if (!params.fetch_string("verbose_level", vlevel)) {
    m_vl = vout.set_verbose_level(vlevel);
  }
}
 
 
//====================================================================
void Action_F_Rational::get_parameters(Parameters& params) const
{
  params.set_string("verbose_level", vout.get_verbose_level(m_vl));
}
 
 
//====================================================================
void Action_F_Rational::set_config(Field *U)
{
  m_U = U;
 
#pragma omp parallel
 {
  m_fopr_langev->set_config(U);
  m_fopr_H->set_config(U);
  m_fopr_force_MD->set_config(U);
 }
 
}
 
//====================================================================
double Action_F_Rational::langevin(RandomNumbers *rand)
{
  vout.general(m_vl, "%s: %s\n", class_name.c_str(), m_label.c_str());
  vout.increase_indent();
 
  m_timer.reset();
  m_timer.start();
 
  const int NinF     = m_fopr_langev->field_nin();
  const int NvolF    = m_fopr_langev->field_nvol();
  const int NexF     = m_fopr_langev->field_nex();
  const int size_psf = NinF * NvolF * NexF * CommonParameters::NPE();
 
  m_psf.reset(NinF, NvolF, NexF);
 
  Field xi(NinF, NvolF, NexF);
  rand->gauss_lex_global(xi);
 
  double H_psf = 0.0;
 
#pragma omp parallel
 {
  m_fopr_langev->set_config(m_U);
 
  m_fopr_langev->mult(m_psf, xi);
 
  const double H_psf1 = xi.norm2();
 
  int ith = ThreadManager::get_thread_id();
  if(ith == 0) H_psf = H_psf1;
 }
 
  m_timer.stop();
  double elapsed_time = m_timer.elapsed_sec();
 
  vout.decrease_indent();
  vout.general(m_vl, "  H_Frational  = %18.8f\n", H_psf);
  vout.general(m_vl, "  H_F/dof      = %18.8f\n", H_psf / size_psf);
  vout.general(m_vl, "  Elapsed time = %14.6f sec\n", elapsed_time);
 
  return H_psf;
}
 
 
//====================================================================
double Action_F_Rational::calcH()
{
  vout.general(m_vl, "%s: %s\n", class_name.c_str(), m_label.c_str());
  vout.increase_indent();
 
  m_timer.reset();
  m_timer.start();
 
  const int NinF     = m_fopr_H->field_nin();
  const int NvolF    = m_fopr_H->field_nvol();
  const int NexF     = m_fopr_H->field_nex();
  const int size_psf = NinF * NvolF * NexF * CommonParameters::NPE();
 
  Field v1(NinF, NvolF, NexF);
 
  double H_psf = 0.0;
 
#pragma omp parallel
 {
  m_fopr_H->set_config(m_U);
  m_fopr_H->mult(v1, m_psf);
 
  const double H_psf1 = dot(v1, m_psf);
  int ith = ThreadManager::get_thread_id();
  if(ith == 0) H_psf = H_psf1;
 }
 
  m_timer.stop();
  double elapsed_time = m_timer.elapsed_sec();
 
  vout.decrease_indent();
  vout.general(m_vl, "  H_Frational  = %18.8f\n", H_psf);
  vout.general(m_vl, "  H_F/dof      = %18.8f\n", H_psf / size_psf);
  vout.general(m_vl, "  Elapsed time = %14.6f sec\n", elapsed_time);
 
  return H_psf;
}
 
 
//====================================================================
void Action_F_Rational::force(Field& force)
{
  vout.general(m_vl, "%s: %s\n", class_name.c_str(), m_label.c_str());
  vout.increase_indent();
 
  m_timer.reset();
  m_timer.start();
 
  const int Nin  = m_U->nin();
  const int Nvol = m_U->nvol();
  const int Nex  = m_U->nex();
 
  assert(force.nin() == Nin);
  assert(force.nvol() == Nvol);
  assert(force.nex() == Nex);
 
#pragma omp parallel
 {
  m_fopr_force_MD->set_config(m_U);
 
  m_fopr_force_MD->force_core(force, m_psf);
 
  double Fave, Fmax, Fdev;
  force.stat(Fave, Fmax, Fdev);
 
  vout.general(m_vl, "Fave = %12.6f  Fmax = %12.6f  Fdev = %12.6f\n",
               Fave, Fmax, Fdev);
 }
  vout.decrease_indent();
 
  m_timer.stop();
  double elapsed_time = m_timer.elapsed_sec();
  vout.general(m_vl, "  Elapsed time = %14.6f sec\n", elapsed_time);
 
}
 
//============================================================END=====