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108年 - 108 國立中山大學_碩士班招生考試_資工系(甲、乙組)：計算機結構#105762
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5.4 What is static multiple issue? What is dynamic multiple issue? Compare the differences.
其他申論題
4.8 Continued with the previous problem, and assuming that there is 1.5 memory references per instruction, what are the average stall cycles per instructions? Hint: average memory stall pet instruction = Ll_misses _per_instruction L2 hit time + L2 misses per _instruction 12 _miss_penaity
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5. 5.1 What is the advantage of single instruction multiple data (SIMD)? Compare the differences between SIMD in conventional CPU (Central Processing Units) and SIMD in GPU (Graphics Processing Units)
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5.2 What is control hazard? Propose a method to improve the performance degradation due to control hazard.
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5.3 What are the differences of spatial locality and temporal locality during execution of computation tasks in CPU? Give two programming techniques to explain the differences.
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2. 2.1 A processor is busy with computation 40% of aputation 40% of the execution time, and is waiting for I/O access 60% of the execution time. If we replace the processor with a new one which is 10 times faster than the old processor, what is the overall speedup gained using the new processor assuming that the percentage of IO access remains the same in both processors?
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(1) Explain the five possible states of a process.
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(2) Explain two common models for inter-process communications.
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(3) Let us consider five processes arriving in the order of P1, P2, P3, P4, and P5 at time O:Show the turnaround time of each process based on the following scheduling algorithms: First-come first-served, round robin (with quantum = 1), shortest job first, and non-preemptive priority(where a smaller priority number indicates a higher priority).
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(4) What is the many-to-one multithreading model? What are the two drawbacks of this model? (3%)
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(1) What are the purposes of base and limit registers?
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