Translation Look aside Buffer
Describe in detail the Translation Look aside Buffer (TLB)?
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In a cached system, the base addresses of the last few referenced pages are maintained in the registers termed as the TLB which aids in faster lookup. TLB includes those page-table entries which have been most recently employed. Generally, each virtual memory reference causes two physical memory accesses-- one to fetch suitable page-table entry, and one to fetch the desired data. By using the TLB in-between, this is decreased to just one physical memory access in cases of TLB-hit.
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