这样一来,窥视者在其他角度看过去,由于眼睛接收不到来自屏幕的光线,看上去仿佛屏幕根本没有点亮,从而实现宏观的防窥的效果。
Lex: FT’s flagship investment column
。同城约会对此有专业解读
Identifier "VGA666"
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.
Александра Статных (Редактор отдела «Путешествия»)