Question: Consider a 2-level hierarchical memory system (i.e., cache and main memory). Assume the following parameters: Cache access time: T 1 = 5 nanoseconds (ns) Memory

Consider a 2-level hierarchical memory system (i.e., cache and main memory). Assume the following parameters:

  • Cache access time: T1 = 5 nanoseconds (ns)
  • Memory access time: T2 = 30 ns
  • Cache hit rate: H1 = 0.90


1.

  1. What is the average memory access time?





  1. Determine the memory access efficiency?




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