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Assume that we make an enhancement to a computer that improves some mode of execution by a factor of 5. Enhanced mode is used 40% of the time, measured as a percentage of the execution time when the enhanced mode is in use. Recall that Amdahl's law depends on the fraction of the original, unenhanced execution time that could make use of enhanced mode. Thus, we cannot directly use this 40% measurement to compute speedup with Amdahl's law. a. What is the speedup we have obtained from fast mode

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Assume that we make an enhancement to a computer that improves some mode of execution by a factor of...
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