子进程处理¶ 获取 SubprocessHandler¶ torch.distributed.elastic.multiprocessing.subprocess_handler.handlers.get_subprocess_handler(entrypoint, args, env, stdout, stderr, local_rank_id)[source][source]¶ 返回类型 SubprocessHandler SubprocessHandler¶ class torch.distributed.elastic.multiprocessing.subprocess_handler.subprocess_handler.SubprocessHandler(entrypoint, args, env, stdout, stderr, local_rank_id)[source][source]¶ Python 的 subprocess.Popen 的便捷封装。跟踪与进程相关的元对象(例如 stdout 和 stderr 重定向文件描述符)。