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Consider a program that can execute with CPI = 1 if we could magically service every load instruction within 1 - cycle ( L 1
Consider a program that can execute with CPI if we could magically service every load instruction within cycle L cache hit
Now in practice, of all load instructions suffer from an L cache miss, of all load instructions suffer from an L cache miss, and of all load instructions suffer from an L cache miss and are serviced by the memory system
An L cache miss stalls the processor for cycles while the L is looked up An L cache miss stalls the processor for cycles while the L is looked up An L cache miss stalls the processor for cycles while data is fetched from memory. What is the CPI for this program if of the program's instructions are load instructions? Assume these delays add, ie the worst case stalls for cycles.
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