Modern Computer Architecture and Organization, by Jim Ledin. Published by Packt Publishing.
Consider an 8-way set associative L2 cache of 256KB, with 64 bytes in each cache line. How many sets are in this cache?
The number of lines in the cache is 262,144 ÷ 64 = 4096.
Each set contains 8 lines.
The number of sets = 4096 lines ÷ 8 lines per set = 512 sets