forked from UNN/2026-rff_mp
94 lines
3.5 KiB
Python
94 lines
3.5 KiB
Python
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"""Экспериментальное сравнение алгоритмов"""
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import csv
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from pathlib import Path
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from typing import List, Dict, Any
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from builders import TextFileMazeBuilder
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from solver import MazeSolver
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from strategies import BFSStrategy, DFSStrategy, AStarStrategy
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class ExperimentRunner:
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"""Запуск экспериментального сравнения алгоритмов"""
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def __init__(self):
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self.builder = TextFileMazeBuilder()
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self.strategies = [
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BFSStrategy(),
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DFSStrategy(),
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AStarStrategy()
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]
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def run_experiment(self, maze_file: str, runs: int = 5) -> List[Dict[str, Any]]:
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"""Запуск эксперимента на одном лабиринте"""
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try:
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maze = self.builder.build_from_file(maze_file)
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except ValueError as e:
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print(f" Пропуск: {e}")
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return []
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results = []
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for strategy in self.strategies:
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solver = MazeSolver(maze, strategy)
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times = []
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path_lengths = []
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path_found = False
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for _ in range(runs):
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try:
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path, stats = solver.solve()
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times.append(stats.time_ms)
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path_lengths.append(stats.path_length)
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if path:
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path_found = True
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except Exception as e:
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print(f" Ошибка при {strategy.name}: {e}")
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continue
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if times:
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results.append({
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'maze': Path(maze_file).stem,
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'strategy': strategy.name,
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'avg_time_ms': sum(times) / runs,
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'min_time_ms': min(times),
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'max_time_ms': max(times),
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'path_length': path_lengths[0] if path_lengths else 0,
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'path_found': path_found
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})
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return results
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def run_all_experiments(self, maze_files: List[str], runs: int = 5,
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output_file: str = "results/experiment_results.csv") -> List[Dict[str, Any]]:
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"""Запуск экспериментов на всех лабиринтах"""
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all_results = []
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for maze_file in maze_files:
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print(f"\nЗапуск на лабиринте: {maze_file}")
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results = self.run_experiment(maze_file, runs)
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for r in results:
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status = "✓" if r['path_found'] else "✗"
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print(f" {r['strategy']}: {r['avg_time_ms']:.3f} мс, путь: {r['path_length']} {status}")
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if results:
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all_results.extend(results)
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else:
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print(" Лабиринт пропущен (нет старта или выхода)")
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if not all_results:
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print("\nНет результатов для сохранения!")
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return []
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# Сохранение в CSV
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Path("results").mkdir(exist_ok=True)
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with open(output_file, 'w', newline='', encoding='utf-8') as f:
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writer = csv.DictWriter(f, fieldnames=all_results[0].keys())
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writer.writeheader()
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writer.writerows(all_results)
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print(f"\nРезультаты сохранены в {output_file}")
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return all_results
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