// 步骤1:找初始左边界(第一个破坏升序的位置)
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.
。业内人士推荐同城约会作为进阶阅读
Фото: Maksim Konstantinov / Globallookpress.com
2.6 ELU(Exponential Linear Unit)