Course Solutions Uncategorized (Solved) : 4 Virtual Memory Assume 48 Bit Virtual Address Space Typical 64 Bit Xeon Achitecture Assum Q29823167 . . . .

(Solved) : 4 Virtual Memory Assume 48 Bit Virtual Address Space Typical 64 Bit Xeon Achitecture Assum Q29823167 . . . .

 

4 Virtual memory Assume a 48 bit virtual address space (typical for a 64 bit Xeon achitecture) Assume 8KB pagen, and real memory of 32GB 1. How many bits in a real address? 2. How many bits in a virtual address? 3. llow many entries in the page table? 4. Do we need a dirty bit? A valid bit? 5. How many bits in the page ofiset? In the tag for the renl address? 0. Assume 1 (8 byte) word for ench page table entry, how many bytes does the page table need? 7. If the page table is too big, we can use hierarchical or split page tables to allow needed. These strategies add complexity and delay page lookup. Would you consider such strategies in this machine?

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