Context switching costs far less than the time it takes you to press the key to ... | Hacker News

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		Evbn on Nov 13, 2012 \| parent \| context \| favorite \| on: Microsoft's Skydrive sends two million NULL charac... Context switching costs far less than the time it takes you to press the key to switch between tabs, and is not appreciably more expensive for a process than for a thread.

qu4z-2 on Nov 13, 2012 [–]

Cache validation, on the other hand, can be quite expensive. The context switch itself of course less so.

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