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MAGAIL4AutoDrive/Env/run_multiagent_env_fast.py

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from scenario_env import MultiAgentScenarioEnv
from simple_idm_policy import ConstantVelocityPolicy
from metadrive.engine.asset_loader import AssetLoader
from logger_utils import setup_logger
import time
import sys
import os
WAYMO_DATA_DIR = r"/home/huangfukk/MAGAIL4AutoDrive/Env"
def main(enable_logging=False):
"""极致性能优化版本 - 启用所有优化选项"""
env = MultiAgentScenarioEnv(
config={
"data_directory": AssetLoader.file_path(WAYMO_DATA_DIR, "exp_converted", unix_style=False),
"is_multi_agent": True,
"num_controlled_agents": 3,
"horizon": 300,
# 关闭所有渲染
"use_render": False,
"render_pipeline": False,
"image_observation": False,
"interface_panel": [],
"manual_control": False,
"show_fps": False,
"debug": False,
# 物理引擎优化
"physics_world_step_size": 0.02,
"decision_repeat": 5,
"sequential_seed": True,
"reactive_traffic": True,
# 车道检测与过滤配置
"filter_offroad_vehicles": True, # 过滤非车道区域的车辆
"lane_tolerance": 3.0,
"max_controlled_vehicles": 15, # 限制车辆数以提升性能
},
agent2policy=ConstantVelocityPolicy(target_speed=50)
)
# 【关键优化】启用激光雷达缓存
# 每3帧才重新计算激光雷达其余帧使用缓存
# 可将激光雷达计算量减少到原来的1/3
env.lidar_cache_interval = 3
obs = env.reset(0)
# 性能统计
start_time = time.time()
total_steps = 0
print("=" * 60)
print("极致性能模式")
print("激光雷达优化80→40束 (前向), 10→6束 (侧向+车道线)")
print("激光雷达缓存每3帧计算一次中间帧使用缓存")
print("预期性能提升3-5倍")
print("=" * 60)
for step in range(10000):
actions = {
aid: env.controlled_agents[aid].policy.act()
for aid in env.controlled_agents
}
obs, rewards, dones, infos = env.step(actions)
total_steps += 1
# 每100步输出一次性能统计
if step % 100 == 0 and step > 0:
elapsed = time.time() - start_time
fps = total_steps / elapsed
print(f"Step {step:4d}: FPS = {fps:6.2f}, 车辆数 = {len(env.controlled_agents):3d}, "
f"平均步时间 = {1000/fps:.2f}ms")
if dones["__all__"]:
break
# 最终统计
elapsed = time.time() - start_time
fps = total_steps / elapsed
print("\n" + "=" * 60)
print(f"总计: {total_steps}")
print(f"耗时: {elapsed:.2f}s")
print(f"平均FPS: {fps:.2f}")
print(f"单步平均耗时: {1000/fps:.2f}ms")
print("=" * 60)
env.close()
if __name__ == "__main__":
# 解析命令行参数
enable_logging = "--log" in sys.argv or "-l" in sys.argv
# 提取自定义日志文件名
log_file = None
for arg in sys.argv:
if arg.startswith("--log-file="):
log_file = arg.split("=")[1]
break
if enable_logging:
# 使用日志记录
log_dir = os.path.join(os.path.dirname(__file__), "logs")
with setup_logger(log_file=log_file or "run_fast.log", log_dir=log_dir):
main(enable_logging=True)
else:
# 普通运行(只输出到终端)
print("💡 提示: 使用 --log 或 -l 参数启用日志记录")
print("-" * 60)
main(enable_logging=False)