Assume a two-level inclusive cache hierarchy, L1 and L2, where L2 is the…
GATE · 2021 · CS · Set 2 · Computer Science & IT
Assume a two-level inclusive cache hierarchy, L1 and L2, where L2 is the larger of the two. Consider the following statements.
S1: Read misses in a write through L1 cache do not result in writebacks of dirty lines to the L2
S2: Write allocate policy must be used in conjunction with write through caches and no-write allocate policy is used with writeback caches.
Which of the following statements is correct?
- A.
S1 is true and S2 is false
- B.
S1 is false and S2 is true
- C.
S1 is true and S2 is true
- D.
S1 is false and S2 is false
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