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I have been having a problem answering the following question:

Explain the challenges if the number of bits in the page offset does not equal the number of bits in the sum of “Index” and “Byte”

Spencer Fronberg
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    What kind of problem are you having? I assume "Byte" mean the offset within the cache line, i.e. the low few bits of the address? So they're asking about the complications when some of the index bits are part of the page number, and aren't translated for free so a VIPT cache doesn't behave like a PIPT cache. [Virtually addressed Cache](//stackoverflow.com/a/39501028). – Peter Cordes Apr 11 '18 at 05:56
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    [Virtually indexed physically tagged cache Synonym](//stackoverflow.com/a/46595331) – Peter Cordes Apr 11 '18 at 06:04
  • [More details](https://stackoverflow.com/a/20789579/4230618). – Hadi Brais Apr 11 '18 at 16:17

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