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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。新收录的资料是该领域的重要参考
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I'm excited to dig into the next frontier of what decentralized social can be, while bringing Toni in to support our team as an experienced operator and leader. The work that got us here was just the beginning, and I'm grateful to keep building alongside this team and community.