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3 cards from this section. Quick, good the night before a test.
What is the primary purpose of hierarchical page tables?
Think about why simplification of complex structures can improve performance.
Define a hashed page table.
Consider how hashing can optimize searching.
What is the purpose of hierarchical page tables?
Think about the overall goal of memory management.
True or False: Inverted page tables focus on tracking logical addresses.
Reflect on the structure of these tables.
A system employs a three-level page table organization to handle a 64-bit address space. If each entry is 8 bytes long, calculate the total size required for the page tables if the system requires at least 10,000 pages per level.
Consider how many entries are needed across all three levels, then multiply by the size of an individual entry.
Assess the efficiency of using a hashed page table versus a traditional page table in terms of search time and memory usage given a virtual address space of 2^64 bytes.
Focus on the efficiency gained by maintaining only the active elements.
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