試題詳解

8. Suppose we have a processor with a base CPI of 1.0, assuming all references hit in the main memory, and the main memory access time of 100 clock cycles, include all the miss handling. Suppose 60% of instructions would access memory, and the miss rate of instruction cache is 0.2%, the miss rate of data instruction cache is 1%. The effective CPI = n. What is the value of round(n) mod 5?
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4