V2EX latency

Latency

释义 Definition

延迟;时延:从发出请求到获得响应、或信号从一端传到另一端所经历的时间。常用于网络、音视频、计算机系统与人机交互等场景。(也可指“潜伏期/潜伏时间”,如医学语境中。)

发音 Pronunciation (IPA)

/letnsi/

例句 Examples

The game feels laggy because of high latency.
因为延迟很高,这个游戏感觉很卡。

In distributed systems, reducing latency often matters more than increasing raw throughput.
在分布式系统中,降低时延往往比提升纯吞吐量更重要。

词源 Etymology

latency 来自拉丁语 latēre,意为“隐藏、潜伏”。最初与“潜伏状态/不显现”相关,后来在科学与工程领域中引申为“信号或反应在表面结果出现前的时间差”,即“时延”。

相关词 Related Words

文学作品 Literary Works

  • 《The Mythical Man-Month》(Frederick P. Brooks Jr.)讨论软件工程中的时间成本与系统性能权衡时常涉及“延迟/响应时间”等概念。
  • 《The Art of Computer Programming》(Donald E. Knuth)在算法与计算过程的分析语境中会出现与“延迟/等待时间”相关的用法与讨论。
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