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4 cards from this section. Quick, good the night before a test.
List the two components that make up CPU time per instruction.
Think about the time spent both working and waiting.
What does miss rate refer to?
Consider how often the CPU has to look elsewhere for data.
What is included in CPU time for an instruction?
Think about both active work and waiting periods.
True or False: Higher miss rates decrease CPU efficiency.
Does waiting for data help CPU performance?
If a processor executes 10 billion instructions with a base CPI of 1.5 and experiences a 15% miss rate leading to a 30-cycle miss penalty, calculate the total execution time.
Break the problem down into base execution and miss contributions.
Discuss how you would design a page replacement algorithm to minimize page faults while considering the costs of writing dirty pages. What factors would you weigh?
Think about the long-term access patterns of your programs.
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