Final answer:
Cache memory in C++ is fast and holds recently accessed data. Capacities, block sizes, and associations are crucial in cache design.
Explanation:
Cache memory in C++ is located in the highest level of memory hierarchy, supplying most data to a processor and holding most recently accessed data. It typically takes 1 clock cycle to access data in cache.
When designing cache, important considerations include capacity (C), block size (b), degree of associativity (N), and number of sets (S).
Cache memory anticipates needed data using past patterns with temporal and spatial localities to predict future demands.
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