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Ch6 記憶體(Memory)
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81. Cache Design、Inclusive Cache、Miss Penalty
#CC-06-081
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Cache Design
Inclusive Cache
Miss Penalty
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Which of the following statements are true about cache design?
A
In an inclusive cache design, the top-level cache (e.g., L1 cache) is the subset of the bottom-level cache (e.g., L2 cache).
B
Because the first-level cache needs a short hit time, the size of the first-level cache is big.
C
Reducing the miss penalty can decrease average memory access time when the top-level cache's hit time is smaller than the bottom-level cache's hit time.
D
Generally, the full-associative cache design has lower cache hit rate than the direct-mapped cache design.
E
None of the above.
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