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Green: Board stuff
。WPS官方版本下载对此有专业解读
分析师观点出现分化。Evercore ISI 认为,IBM 早已向客户提供多种现代化路径,主机客户仍因可靠性、吞吐量、安全性等因素坚持使用该平台,并重申对 IBM 的「跑赢大盘」评级。
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.