noun
clock up; overclock
Computing term for increasing a processor's clock speed beyond its rated specification.
CPUをクロックアップすると、発熱が増える。
When you overclock the CPU, heat generation increases.
Variant with interpunct; less common in running text.
More common term for overclocking; クロックアップ is a less frequent synonym.
From English 'clock up', referring to increasing the clock frequency of a processor.