Discuss the trade-offs and benefits of the two options in Exercise 6.3, assuming a constant workload being

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Discuss the trade-offs and benefits of the two options in Exercise 6.3, assuming a constant workload being run on the servers.

Exercise 6.3

Servers that have different operating modes offer opportunities for dynamically running different configurations in the cluster to match workload usage. Use the data in Figure 6.35 for the power/performance modes for a given low-power server.

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a. If a server operator decided to save power costs by running all servers at medium performance, how many servers would be needed to achieve the same level of performance?

b. What are the CAPEX and OPEX of such a configuration?

c. If there was an alternative where you could purchase a server that is 20% cheaper but x% slower and uses y% less power, find the performance–power curve that provides a TCO comparable to the baseline server.

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Computer Architecture A Quantitative Approach

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6th Edition

Authors: John L. Hennessy, David A. Patterson

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Question Posted: Feb 02, 2024 02:00 PM

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Discuss the trade-offs and benefits of the two options in Exercise 6.3, assuming a constant workload being

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Mode High Medium Low Performance 100% 75% 59% Power 100% 60% 38% Figure 6.35 Power-performance modes for low-power servers.

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Based on the information provided lets discuss the tradeoffs and benefits of operating the servers at a medium performance setting as well as the impact of purchasing a server that is 20 cheaper slowe...View the full answer

Computer Architecture A Quantitative Approach

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