V2EX thermal throttling

Thermal Throttling

定义 / Definition

热节流(thermal throttling):指电脑、手机、CPU/GPU 等设备因温度过高,为了防止过热损坏而自动降低运行频率、电压或性能的保护机制。常见表现是性能突然下降、帧率变低、运行变慢等。

发音 / Pronunciation (IPA)

/θml θrtl/

例句 / Examples

Thermal throttling can make your laptop feel suddenly slow.
热节流会让你的笔记本电脑突然变得很慢。

During long gaming sessions, the GPU may enter thermal throttling to keep temperatures within safe limits, reducing frame rates.
长时间游戏时,显卡可能会启动热节流以把温度控制在安全范围内,从而导致帧率下降。

词源 / Etymology

thermal 来自希腊语 thermē(“热”),表示与温度、热有关;throttle 原意与“节流阀/节气门”相关,引申为“限制、压制(速度或流量)”。组合起来,thermal throttling 字面意思就是“因热而进行限制”,在计算机领域特指“因过热而自动降频限速”。

相关词 / Related Words

文学作品用例 / Literary Works

该术语属于现代工程与计算机领域用语,主要出现于技术文档、硬件评测与厂商白皮书中,而非传统文学经典。较常见的载体包括:

  • 英特尔(Intel)与 AMD 的处理器技术资料/开发者手册中关于温度与频率控制(thermal management)的章节
  • 操作系统与内核文档(如 Linux 电源管理/散热策略相关说明)
  • 消费电子与游戏硬件评测文章(讨论持续性能、温度墙与降频现象)
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