Computer Performance: TIME, TIME, TIME

• Response Time (latency) — How long does it take for my job to run? — How long does it take to execute a job? — How long must I wait for the database query?

• Throughput — How many jobs can the machine run at once? — What is the average execution rate? — How much work is getting done?

• If we upgrade a machine with a new processor what do we increase?

If we add a new machine to the lab what do we increase?

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