The TLB lookup is combinational -- it evaluates in the same half-cycle as the limit check, requiring no additional clock. The common case (TLB hit, no page boundary crossing) adds zero overhead to a memory access. This is why the Segment Descriptor Cache and Page Cache (TLB) together occupy such substantial die area -- they are the fast path that makes protected mode competitive with real mode.
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eBay announced that it is cutting about 800 jobs from its global staff. "We are taking steps to reinvest across our business and align our structure with our strategic priorities, which will affect certain roles across our workforce," the retailer said in a statement as reported by Bloomberg. This move will see about 6 percent of eBay's current full-time workers laid off. Bloomberg noted that eBay would continue hiring in "key areas" but did not specify what those fields are.。业内人士推荐谷歌浏览器【最新下载地址】作为进阶阅读
Credit: Samsung，这一点在夫子中也有详细论述