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Fix logs #330

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Fix logs #330

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f7fb32a
fix no presolve, solution log buG
akifcorduk Aug 21, 2025
699b55c
change the degeneration log
akifcorduk Aug 21, 2025
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3 changes: 2 additions & 1 deletion cpp/src/mip/diversity/diversity_manager.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -618,7 +618,8 @@ void diversity_manager_t<i_t, f_t>::main_loop()
auto best_sol = population.is_feasible() ? population.best_feasible() : population.best();
ls.run_fj_until_timer(best_sol, population.weights, timer);
population.add_solution(std::move(best_sol));
CUOPT_LOG_WARN("Enough solutions couldn't be generated,exiting heuristics!");
CUOPT_LOG_INFO(
"Crossovers cannot continue. Running local search on best solution until time limit.");
break;
}
if (timer.check_time_limit()) { break; }
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7 changes: 4 additions & 3 deletions cpp/src/mip/solve.cu
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Expand Up @@ -89,7 +89,7 @@ mip_solution_t<i_t, f_t> run_mip(detail::problem_t<i_t, f_t>& problem,
solution.compute_objective(); // just to ensure h_user_obj is set
auto stats = solver_stats_t<i_t, f_t>{};
stats.solution_bound = solution.get_user_objective();
return solution.get_solution(true, stats, false);
return solution.get_solution(true, stats, settings.presolve);
}
// problem contains unpreprocessed data
detail::problem_t<i_t, f_t> scaled_problem(problem);
Expand Down Expand Up @@ -144,8 +144,9 @@ mip_solution_t<i_t, f_t> run_mip(detail::problem_t<i_t, f_t>& problem,
"please provide a more numerically stable problem.");
}

auto sol = scaled_sol.get_solution(
is_feasible_before_scaling || is_feasible_after_unscaling, solver.get_solver_stats(), false);
auto sol = scaled_sol.get_solution(is_feasible_before_scaling || is_feasible_after_unscaling,
solver.get_solver_stats(),
settings.presolve);
detail::print_solution(scaled_problem.handle_ptr, sol.get_solution());
return sol;
}
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