* @param arr 待排序数组
Lambert 还指出了一个技术层面很少被外界提及的问题：不同模型之间存在微妙的数据分布差异。
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that out_of_memory() can clearly abort with an error message,，详情可参考同城约会
19 January 2026ShareSave。关于这个话题，夫子提供了深入分析
Transform backpressure gaps: Pull-through transforms execute on-demand. Data doesn't cascade through intermediate buffers; it flows only when the consumer pulls. Stop iterating, stop processing.