人工智能与延迟:为什么毫秒决定数据中心竞赛中的赢家和输家

千家网
Dec 22, 2025

2025 年,全球 AI 工作负载对算力的需求每 3.5 个月翻一倍,而摩尔定律已明显失速。算力增长放缓,让“延迟”成为仅剩还能被压缩的变量:• 高频交易公司把 50 ms 的跨大西洋延迟压到 10 ms,一年就多赚 15% 的订单;• 千亿参数大模型训练,只要机间同步延迟从 2 ms 降到 0.5 ms,训练周期就能缩短 4 天,相当于省下 1.2 亿元人民币的 GPU 租金;• 自动驾驶车端 ...

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