Explain the elements of
cache design
Answers
Answer:
Design Elements There are a large number of cache implementations, but these basic design elements serve to classify cache architectures: cache size; mapping function; replacement algorithm; write policy; line size; number of caches.
Explanation:
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Answer:
Cache Addresses
When virtual addresses are used, the cache can be placed between the processor and the MMU or between the MMU and main memory. A logical cache, also known as a virtual cache, stores data using virtual addresses. The processor accesses the cache directly, without going through the MMU. A physical cache stores data using main memory physical address. One advantage of the logical cache is that cache access speed is faster than for a physical cache, because the cache can respond before the MMU performs an address translation.