Фото: Вячеслав Прокофьев / РИА Новости
刘年丰:看似搬箱子是一个单调重复的工作,但其实有多个难点。
。关于这个话题,同城约会提供了深入分析
zhuanlan.zhihu.com/p/198274063…。爱思助手下载最新版本对此有专业解读
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.