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The gains illustrate how fundamental design choices compound: batching amortizes async overhead, pull semantics eliminate intermediate buffering, and the freedom for implementations to use synchronous fast paths when data is available immediately all contribute.
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Discard new data — drop what's incoming
而早已去世的爷爷奶奶却不同。小时候，奶奶睡前给我讲民俗故事，讲到《半夜鸡叫》时学周扒皮“咯咯咯”地笑，我也跟着笑。她用箬叶包粽子，用玉兰花泡酒，一遍遍做我爱吃的番茄炒蛋，直到那道菜让我生出厌倦。爷爷虽然吝啬，也会在午睡前给我留下几块零花钱，在春节时给我买烟花和零食。