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Consider a machine that has CPI of 1.0 and a 5 GHz processor with a 5%...

Consider a machine that has CPI of 1.0 and a 5 GHz processor with a 5% miss rate, 100ns DRAM access, adding 2nd level cache with 5ns access time decreases miss rate to .5%, what is the CPI for the improved system? How many times is the new system more efficient than the original one?

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