在 AI 场景中，Apache Spark 凭借其强大的批处理能力与 Python 生态兼容性，广泛用于大模型训练前的数据清洗、特征工程与推理任务。而 Ray 因其低延迟、高并发特性，被 OpenAI 等头部机构用于分布式训练与强化学习。两者共同构成 Data + AI 的核心计算底座，支持从数据准备到模型推理的全流程高效执行。
# key = "~/.ssh/id_ed25519" # default，更多细节参见爱思助手下载最新版本
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The 34-year-old, from Manchester, creates sculptures out of factory waste as part of her work as artist-in-residence with one of Lancashire's oldest manufacturing companies.
Carry propagation — threading carry information across positions