問題詳情
8.A computer whose processes have 1024 pages in their address spaces keeps its pagetables in memory. The overhead required for reading a word from the page table is 500 ns. In order toreduce the overhead, the computer has Translation Lookaside Buffer(TLB), which holds 32 (virtualpage, physical page frame) pairs, and can do a look up in 100 ns. What hit rate is needed to reducethe mean overhead to 200 ns?
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