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.
根据现场的体验效果，新版 Bixby 几乎是从手机品牌队尾一跃回到了中等偏上的位置。
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OUT = "items.csv"
These benchmarks measure throughput in controlled scenarios; real-world performance depends on your specific use case. The difference between Node.js and browser gains reflects the distinct optimization paths each environment takes for Web streams.