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4 cards from this section. Quick, good the night before a test.
What is cache memory?
Think about the speed and where it's located.
What does a cache miss signify?
Recall when the CPU cannot find the data it needs.
What is the purpose of cache memory?
Think about its role in improving CPU performance.
True or False: Cache misses can only be compulsory misses.
Recall the different categories of cache misses.
Calculate the effective access time if the CPU takes 1 ns to access L1 cache, 3 ns for L2 cache, and 10 ns for main memory, with hit rates of 90% for L1 and 75% for L2.
Break down the calculation step by step using the given rates.
Discuss the implications of increasing cache size on miss rates and access times.
Think about how cache size affects both performance and cost.
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