In a pipelined RISC computer where all arithmetic instructions have the same CPI (cycles...
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In a pipelined RISC computer where all arithmetic instructions have the same CPI (cycles per instruction), which of the following actions would improve the execution time of a typical program?
I. Increasing the clock cycle rate
II. Disallowing any forwarding in the pipeline
III. Doubling the size of the instruction cache and the data cache without changing the clock cycle time
Show answer & explanation
Answer: A. III only
Accurate technical and quantitative evaluation based on foundational principles.
Step-by-step Derivation:
Step 1: Formulate problem conditions.
Step 2: Apply logical deduction.
Step 3: Conclude correct option.