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Light speed

Light speed

Posted Oct 2, 2007 12:14 UTC (Tue) by smurf (subscriber, #17840)
In reply to: Small correction by khim
Parent article: Memory part 2: CPU caches

It gets worse.

Light speed is defined as photons moving in a vacuum. Anything else, which definitely includes electrons in a semiconductor, is slower.

It gets worse.

You need to actually switch a transistor or two on the way to+fro (otherwise there would be no point in the exercise ;-), which requires moving a charge, which requires yet more time.


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