no cliques

Author: akifcorduk

cpp/src/mip_heuristics/diversity/diversity_manager.cu

@@ -207,21 +207,21 @@ bool diversity_manager_t<i_t, f_t>::run_presolve(f_t time_limit)
   const bool remap_cache_ids = true;
   trivial_presolve(*problem_ptr, remap_cache_ids);
   if (!problem_ptr->empty && !check_bounds_sanity(*problem_ptr)) { return false; }
-  if (!context.settings.heuristics_only && !problem_ptr->empty) {
-    dual_simplex::user_problem_t<i_t, f_t> host_problem(problem_ptr->handle_ptr);
-    problem_ptr->get_host_user_problem(host_problem);
-    std::shared_ptr<clique_table_t<i_t, f_t>> clique_table;
-    find_initial_cliques(host_problem, context.settings.tolerances, presolve_timer);
-    problem_ptr->set_constraints_from_host_user_problem(host_problem);
-    cuopt_assert(host_problem.lower.size() == static_cast<size_t>(problem_ptr->n_variables),
-                 "host lower bound size mismatch");
-    cuopt_assert(host_problem.upper.size() == static_cast<size_t>(problem_ptr->n_variables),
-                 "host upper bound size mismatch");
-    std::vector<i_t> all_var_indices(problem_ptr->n_variables);
-    std::iota(all_var_indices.begin(), all_var_indices.end(), 0);
-    problem_ptr->update_variable_bounds(all_var_indices, host_problem.lower, host_problem.upper);
-    trivial_presolve(*problem_ptr, remap_cache_ids);
-  }
+  // if (!context.settings.heuristics_only && !problem_ptr->empty) {
+  //   dual_simplex::user_problem_t<i_t, f_t> host_problem(problem_ptr->handle_ptr);
+  //   problem_ptr->get_host_user_problem(host_problem);
+  //   std::shared_ptr<clique_table_t<i_t, f_t>> clique_table;
+  //   find_initial_cliques(host_problem, context.settings.tolerances, presolve_timer);
+  //   problem_ptr->set_constraints_from_host_user_problem(host_problem);
+  //   cuopt_assert(host_problem.lower.size() == static_cast<size_t>(problem_ptr->n_variables),
+  //                "host lower bound size mismatch");
+  //   cuopt_assert(host_problem.upper.size() == static_cast<size_t>(problem_ptr->n_variables),
+  //                "host upper bound size mismatch");
+  //   std::vector<i_t> all_var_indices(problem_ptr->n_variables);
+  //   std::iota(all_var_indices.begin(), all_var_indices.end(), 0);
+  //   problem_ptr->update_variable_bounds(all_var_indices, host_problem.lower, host_problem.upper);
+  //   trivial_presolve(*problem_ptr, remap_cache_ids);
+  // }
   // May overconstrain if Papilo presolve has been run before
   if (context.settings.presolver == presolver_t::None) {
     if (!problem_ptr->empty) {