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If

Capacity = 24 KiB Associativity = 6 Line Size = 32 B

As far as I know:

$$Capacity = Associtivity * Line Size * Sets$$

so $24576 = 32 * 6 * Sets$

$Sets = 128 = 2^7$

thus 7 least significant bits are needed to identify set number.

Am I doing it correctly?

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Your result is almost correct. The number of sets is indeed 128. But 128=2^7 And 7 bits are required to identify a set...

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  • $\begingroup$ Yes, my mistake $\endgroup$ – sswwqqaa Jan 10 at 21:53

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