Assume a two-level inclusive cache hierarchy, L1 and L2, where L2 is the larger of the two. Consider the following statements. S 1 : Read misses in a write through L1 cache do not result in writebacks of dirty lines to the L2. S 2 : 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?

Correct Answer is : S1 is true and S2 is false

GATE Computer Science (CS) 2021 Shift 2 Solved Paper

Question : 37 of 65

Marks: +1, -0

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?

S₁ is true and S₂ is true
S₁ is false and S₂ is true
S₁ is false and S₂ is false
S₁ is true and S₂ is false

Validate

Go to Question:

Prev Question

Next Question