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.
Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00590-0
，这一点在同城约会中也有详细论述
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13:29, 27 февраля 2026Россия
生活能力培养第一件事是控制住自己