stat_tables.h

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// Copyright 2010-2024 Google LLC
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#ifndef OR_TOOLS_SAT_STAT_TABLES_H_
#define OR_TOOLS_SAT_STAT_TABLES_H_
 
#include <string>
#include <utility>
#include <vector>
 
#include "absl/strings/string_view.h"
#include "absl/synchronization/mutex.h"
#include "ortools/sat/cp_model_lns.h"
#include "ortools/sat/model.h"
#include "ortools/sat/subsolver.h"
#include "ortools/sat/util.h"
#include "ortools/util/logging.h"
 
namespace operations_research::sat {
 
// Contains the table we display after the solver is done.
class SharedStatTables {
 public:
  SharedStatTables();
 
  // Add a line to the corresponding table.
  void AddTimingStat(const SubSolver& subsolver);
 
  void AddSearchStat(absl::string_view name, Model* model);
 
  void AddClausesStat(absl::string_view name, Model* model);
 
  void AddLpStat(absl::string_view name, Model* model);
 
  void AddLnsStat(absl::string_view name,
                  const NeighborhoodGenerator& generator);
 
  void AddLsStat(absl::string_view name, int64_t num_batches,
                 int64_t num_restarts, int64_t num_linear_moves,
                 int64_t num_general_moves, int64_t num_compound_moves,
                 int64_t num_bactracks, int64_t num_weight_updates,
                 int64_t num_scores_computed);
 
  // Display the set of table at the end.
  void Display(SolverLogger* logger);
 
 private:
  mutable absl::Mutex mutex_;
 
  std::vector<std::vector<std::string>> timing_table_ ABSL_GUARDED_BY(mutex_);
  std::vector<std::vector<std::string>> search_table_ ABSL_GUARDED_BY(mutex_);
  std::vector<std::vector<std::string>> clauses_table_ ABSL_GUARDED_BY(mutex_);
 
  std::vector<std::vector<std::string>> lp_table_ ABSL_GUARDED_BY(mutex_);
  std::vector<std::vector<std::string>> lp_dim_table_ ABSL_GUARDED_BY(mutex_);
  std::vector<std::vector<std::string>> lp_debug_table_ ABSL_GUARDED_BY(mutex_);
  std::vector<std::vector<std::string>> lp_manager_table_
      ABSL_GUARDED_BY(mutex_);
 
  std::vector<std::vector<std::string>> lns_table_ ABSL_GUARDED_BY(mutex_);
  std::vector<std::vector<std::string>> ls_table_ ABSL_GUARDED_BY(mutex_);
 
  // This one is dynamic, so we generate it in Display().
  std::vector<std::pair<std::string, absl::btree_map<std::string, int>>>
      lp_cut_table_ ABSL_GUARDED_BY(mutex_);
};
 
}  // namespace operations_research::sat
 
#endif  // OR_TOOLS_SAT_STAT_TABLES_H_