Consider This Diagram Virtual address 31 30 29 14 13 12 11 10 9 3 21 0 Virtual p

Question

Consider This Diagram Virtual address 31 30 29 14 13 12 11 10 9 3 21 0 Virtual page number 20 Page offset 1. What is the page size? 2. This is a long (critical) path in machine desigrn Valid Dirty Tag Physical page number What is the cost of the following speedups? TLB hit 1. 2. 3. 4. Use a logical cache and more associativity Pipeline the access into 2 cycles Reduce the Cache size Predict real address for the bits that both in the physical page address and the Cache index 20 Physical page number Page offset Physicala Physical address tag Cache index 18 5. Use a logical cache use a larger page size Data Valid 3. Suppose you want to double or quadruple the cache size. What are your options? Cache Cache hit 32 Data

Explanation / Answer

Stack stack = new Stack(); while (n > 0) { stack.push(n % 2); n /= 2; } while (!stack.isEmpty()) StdOut.print(stack.pop()); StdOut.println(); Stack stack = new Stack(); while (!queue.isEmpty()) stack.push(queue.dequeue()); while (!stack.isEmpty()) queue.enqueue(stack.pop());

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