MoochoPack_MoochoTrackerXMLSummary.cpp

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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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#include <assert.h>

#include <fstream>
#include <iostream>
#include <iomanip>
#include <time.h>

#include "MoochoPack_MoochoTrackerXMLSummary.hpp"
#include "MoochoPack_NLPAlgoState.hpp"
#include "MoochoPack_moocho_algo_conversion.hpp"
#include "NLPInterfacePack_NLPFirstOrder.hpp"
//#include "AbstractLinAlgPack_Vector.hpp"
//#include "AbstractLinAlgPack_MatrixSymOp.hpp"
#include "Teuchos_dyn_cast.hpp"

using std::endl;
using std::setw;

namespace MoochoPack {

MoochoTrackerXMLSummary::MoochoTrackerXMLSummary(
  const Teuchos::RCP<std::ostream> &journal_out
  ,const std::string xml_filename
  ,const std::string problem_name
  ,const std::string algorithm_description
  )
  :AlgorithmTracker(journal_out)
  ,obj_value_(0.0)
  ,c_norm_value_(0.0)
  ,xml_filename_(xml_filename)
  ,problem_name_(problem_name)
  ,algorithm_description_(algorithm_description)
{
} 

void MoochoTrackerXMLSummary::output_iteration(const Algorithm& algo) const
{

  using Teuchos::dyn_cast;

  const NLPAlgo         &_algo   = rsqp_algo(algo);
  const NLPAlgoState    &s       = _algo.rsqp_state();
  const NLPObjGrad      &nlp     = dyn_cast<const NLPObjGrad>(_algo.nlp()); 

  if (s.k() == 0) {
    // first iteration...
    // write out a dummy file that will be overwritten if the algorithm completes
    // this way there will be an xml file even if the algorithm exceptions...
    Teuchos::RCP<std::ofstream> xml_out = Teuchos::rcp( new std::ofstream(xml_filename_.c_str(), std::ios::out));
    std::ofstream &out = *xml_out.get();
    
    // Print the Problem Element
    open_problem_element(out, algo);
    
    char ind[] = "   ";

    out << ind << "<Solution status=\"UNKNOWN_FAILURE\" objective_value=\"?\" constraint_norm=\"?\"/>\n";

    out << ind << "<Iterations overall=\"?\"/>\n";

    close_problem_element(out);

    out.close();
  }
}

void MoochoTrackerXMLSummary::output_final(const Algorithm& algo
  , EAlgoReturn algo_return) const
{
  using Teuchos::dyn_cast;

  const NLPAlgo            &_algo  = rsqp_algo(algo);
  const NLPAlgoState           &s      =_algo.rsqp_state();
  const NLPObjGrad      &nlp    = dyn_cast<const NLPObjGrad>(_algo.nlp()); 
  const NLPFirstOrder  *nlp_foi = dynamic_cast<const NLPFirstOrder*>(&nlp); 

  const size_type
    m = nlp.m();

  Teuchos::RCP<std::ofstream> xml_out = Teuchos::rcp( new std::ofstream(xml_filename_.c_str(), std::ios::out));
  std::ofstream &out = *xml_out.get();

  // Print the Problem Element
  open_problem_element(out, algo);

  char ind[] = "   ";

  char soln_status[256];
  switch (algo_return) 
    {
    case IterationPack::TERMINATE_TRUE:
      std::strcpy(soln_status, "SOLVED");
      break;
    case IterationPack::TERMINATE_FALSE:
      std::strcpy(soln_status, "FAILED");
      break;
    case IterationPack::MAX_ITER_EXCEEDED:
      std::strcpy(soln_status, "MAX_ITER");
      break;
    case IterationPack::MAX_RUN_TIME_EXCEEDED:
      std::strcpy(soln_status, "MAX_RUN_TIME");
      break;
    case IterationPack::INTERRUPTED_TERMINATE_TRUE:
      std::strcpy(soln_status, "INTERRUPTED_SOLVED");
      break;
    case IterationPack::INTERRUPTED_TERMINATE_FALSE:
      std::strcpy(soln_status, "INTERRUPTED_FAILED");
      break;
    default:
      std::strcpy(soln_status, "UNKNOWN_STATUS");
      break;
    }

  // Output the solution element
  out << ind << "<Solution status=\"" << soln_status;

  if (s.f().updated_k(0)) {
    out << "\" objective_value=\"" << s.f().get_k(0) << "\"";
  }
  else {
    out << "\" objective_value=\"?\"";    
  }

  if (m && s.c().updated_k(0)) {
    out << " constraint_norm=\"" << s.c().get_k(0).norm_inf() << "\"";
  }
  else {
    out << " constraint_norm=\"?\"";
  }
    
  out << "/>\n";

  // Output the Iterations element
  out << ind << "<Iterations overall=\"" << s.k() << "\"/>\n";

  // Output the Evaluations element
  out << ind << "<Evaluations>\n"
    << ind << ind << "<Objective evaluations=\"" << nlp.num_f_evals() << "\"/>\n"
      << ind << ind << "<Constraint evaluations=\"" << ( m ? nlp.num_c_evals() : 0 ) << "\"/>\n"
      << ind << ind << "<Objective_Gradient evaluations=\"" << nlp.num_Gf_evals() << "\"/>\n"
    << ind << ind << "<Constraint_Gradient evaluations=\"";

  if(m) {
    if (nlp_foi) {
      out << nlp_foi->num_Gc_evals();
    }
    else {
      out << "?";
    }
  }
  else {
    out << 0;
  }

  out << "\"/>\n"
    << ind << "</Evaluations>\n";

  // Output the Timing element
  /*  out << ind << "<Timing>\n";
  const int n = _algo.num_steps();
  const int final_iter = s.k();
  const int n_iters = final_iter+1;
  std::vector<double>* step_times = new std::vector<double>[n_iters](n+1);
  for (int k=0; k<n_iters; k++) {
    _algo.get_step_times_k(k-(final_iter), &(step_times[k])[0]);
    }

  for (int i=0; i<n+1; i++) {
    if (i != n) {
      out << ind << ind << "<Step name=\"" << _algo.get_step_name(i+1) << "\">\n";
    }
    else {
      // overall step
    out << ind << ind << "<Overall>\n";
      
    }

      
    for (int k=0; k<final_iter; k++) {
      out << ind << ind << ind << "<IterationTime iteration=\"" << k << "\" seconds=\"" << (step_times[k])[i] << "\"/>\n";
    }
    double total, average, min, max, percent;
    _algo.get_final_step_stats(i, &total, &average, &min, &max, &percent);
    
    out << ind << ind << ind << "<TotalTime seconds=\"" << total << "\" percent=\"" << percent*100.0 << "\"/>\n"
      << ind << ind << ind << "<AverageTime seconds=\"" << average << "\"/>\n"
      << ind << ind << ind << "<MinTime seconds=\"" << min << "\"/>\n"
      << ind << ind << ind << "<MaxTime seconds=\"" << max << "\"/>\n";

    if (i != n) {
      out << ind << ind << "</Step>\n";
    }
    else {
      // overall step
    out << ind << ind << "</Overall>\n";
      
    }
  }

  delete [] step_times;
      
  out << ind << "</Timing>\n";

  */
  // Close the problem element
  close_problem_element(out);

  out.close();
}


void MoochoTrackerXMLSummary::output_pre_file() const
{
  Teuchos::RCP<std::ofstream> xml_out = Teuchos::rcp( new std::ofstream(xml_filename_.c_str(), std::ios::out));
  std::ofstream &out = *xml_out.get();
  
  char ind[] = "   ";
  
  // get a string representation of the current date/time
  time_t current_time = time(NULL);
  char time_str[26];
  std::strcpy(time_str, ctime(&current_time));
  time_str[24]='\0';
  out << "<Problem name=\"" << problem_name_  << "\" time=\"" << time_str << "\">\n";

  out << ind << "<Dimension n=\"?\" m=\"?\"/>\n";

  TEUCHOS_TEST_FOR_EXCEPTION(
    true, std::logic_error
    ,"Error!, this function stopped compiling so RAB commented "
    "it out on 2/4/2005.  Sorry!"
    );

  /* RAB: 2005/03/04: This stopped compiling so I disabled this for now
  
  // get the machine name - NOTE: this is not portable, may need to
  // look into a way to do this on multiple platforms
  char machine_name[256];
  strcpy(machine_name, "UnknownMachine");
  FILE* machine_file = popen("uname -n", "r");
  if (machine_file) {
    fread(machine_name, sizeof(char), 255, machine_file);
    char* end = strchr(machine_name, '\n');
    *end = '\0';
    pclose(machine_file);
  }
  
  out << ind << "<Machine name=\"" << machine_name << "\"/>\n";

  out << ind << "<Solution status=\"UNKNOWN_FAILURE\" objective_value=\"?\" constraint_norm=\"?\"/>\n";
  
  out << ind << "<Algorithm description=\"" << algorithm_description_ << "\"/>\n";

  out << ind << "<Iterations overall=\"?\"/>\n";

  out << "</Problem>\n";
    
  out.close();  

  */

}

void MoochoTrackerXMLSummary::open_problem_element( std::ostream& out, const Algorithm& algo) const
{
  if (out) {
    const NLPAlgo  &_algo  = rsqp_algo(algo);
    const NLP      &nlp    = _algo.nlp(); 

    char ind[] = "   ";


  TEUCHOS_TEST_FOR_EXCEPTION(
    true, std::logic_error
    ,"Error!, this function stopped compiling so RAB commented "
    "it out on 2/4/2005.  Sorry!"
    );

  /* RAB: 2005/03/04: This stopped compiling so I disabled this for now

    // get a string representation of the current date/time
    time_t current_time = time(NULL);
    char time_str[26];
    strcpy(time_str, ctime(&current_time));
    time_str[24]='\0';
    out << "<Problem name=\"" << problem_name_  << "\" time=\"" << time_str << "\">\n";

    out << ind << "<Dimension n=\"" << nlp.n() << "\" m=\"" << nlp.m() << "\"/>\n";

    // get the machine name - NOTE: this is not portable, may need to
    // look into a way to do this on multiple platforms
    char machine_name[256];
    strcpy(machine_name, "UnknownMachine");
    FILE* machine_file = popen("uname -n", "r");
    if (machine_file) {
      fread(machine_name, sizeof(char), 255, machine_file);
      char* end = strchr(machine_name, '\n');
      *end = '\0';
      pclose(machine_file);
    }

    out << ind << "<Machine name=\"" << machine_name << "\"/>\n";
    //out << ind << "<File location=\"" << file_location_ << "\"/>\n";
    
    out << ind << "<Algorithm description=\"" << algorithm_description_ << "\">\n";
    // output some description of the algorithm and 
    // its options
    out << ind << "</Algorithm>\n";

  */

  }

}

void MoochoTrackerXMLSummary::close_problem_element( std::ostream& out) const
{
  if (out) {
    out << "</Problem>\n";
  }
}

} // end namespace MoochoPack