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joss82
on Oct 14, 2016
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Google's “Director of Engineering” Hiring Test
It's level 1 CPU cache, the fastest (and smallest) cache.
It caches both instructions and data.
https://en.wikipedia.org/wiki/CPU_cache
ummonk
on Oct 17, 2016
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It was a joke. Some embedded processors lack a cache.
phpnode
on Oct 14, 2016
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GP is making the point that not all CPUs have a cache.
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It caches both instructions and data.
https://en.wikipedia.org/wiki/CPU_cache