All formulas used in this test can be found here.
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Create your own custom use-case。搜狗输入法2026对此有专业解读
With a thousand points, you barely notice the delay. With a million, you're doing a million distance calculations for every single query. On a phone updating the map as the user scrolls, that's untenable.
for await (const chunk of stream) { /* never runs */ }