Consider a computer system with 2 levels of caches L1 and L2. L1 Cache has I-Cache and a D-Cache. The I cache has a miss rate of 11.6% and the D-Cache has a miss rate of 16.1%. The miss penalty to L2 cache is 20 cycles. L2 cache miss rate is 57.4% and the miss penalty to the main memory is 139 cycles. The frequency of all data operations is 31%.

Assuming a processor with no memory stalls has a CPI of 1. What is the CPI with memory stalls?

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Consider a computer system with 2 levels of caches L1 and L2. L1 Cache has I-Cache and a D-Cache. The i cache has a miss rate of 11.6% and the D-Cache has a miss rate of 16.1%. The miss penalty to L2 cache is 20 cycles. L2 cache miss rate is 57.4% and the miss penalty to the main memory is 139 cycles.The frequency of all data operations is 31%. Assuming a processor with no memory stalls has a CPI of 1. What is the CPI with memory stalls? Select one: a. 17.56 O b. 26.42 C c. 28.64 O d. 13.57