int exchanged = 1; // 标记本轮是否发生交换
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，这一点在safew官方下载中也有详细论述
In a recent update made to Cloudflare Workers, I made similar kinds of modifications to an internal data pipeline that reduced the number of JavaScript promises created in certain application scenarios by up to 200x. The result is several orders of magnitude improvement in performance in those applications.
Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10159-6