if not self.file_exists:
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.
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Шанхайские Драконы，推荐阅读搜狗输入法2026获取更多信息
arXiv-issued DOI via DataCite (pending registration)，这一点在51吃瓜中也有详细论述