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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，这一点在下载安装 谷歌浏览器 开启极速安全的 上网之旅。中也有详细论述
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This article originally appeared on Engadget at https://www.engadget.com/mobile/smartphones/samsung-galaxy-s26-vs-galaxy-s25-whats-changed-and-which-one-should-you-buy-181515367.html?src=rss，更多细节参见同城约会