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Essentials of Computer Organization and Architecture, 5th Edition by Null

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EXERCISES

  1.   1. Calculate the overall speedup of a system that spends 65% of its time on I/O with a disk upgrade that provides for 50% greater throughput.

  2.      2. Calculate the overall speedup of a system that spends 40% of its time in calculations with a processor upgrade that provides for 100% greater throughput.

  3.      3. Suppose your company has decided that it needs to make certain busy servers 50% faster. Processes in the workload spend 60% of their time using the CPU and 40% on I/O. In order to achieve an overall system speedup of 25%:

    1. a) How much faster does the CPU need to be?

    2. b) How much faster does the disk need to be?

  4.      4. Suppose your company has decided that it needs to make certain busy servers 30% faster. Processes ...

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