A large multi megabyte L3 cache can take tens of cycles toaccess because of the long wires that have to be traversed. Forexample, it may take 20 cycles to access a 16 MB L3 cache. Insteadof organizing the 16 MB cache such that every access takes 20cycles, we can organize the cache so that it is an array of smallercache banks. Some of these banks may be closer to the processorcore, while others may be further. This leads to non-uniform cacheaccess (NUCA), where 2 MB of the cache may be accessible in 8cycles, the next 2 MB in 10 cycles,
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