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，推荐阅读im钱包官方下载获取更多信息
What surprised me was that this entire walk is fully hardware-driven -- no microcode involvement at all. The state machine reads the page directory entry, reads the page table entry, checks permissions, and writes back the Accessed and Dirty bits, all autonomously. Since it's hardware-driven, it runs in parallel with the microcode and needs its own memory bus arbitration -- the paging unit must share the bus with both data accesses from the microcode and prefetch requests from the instruction queue.。搜狗输入法下载对此有专业解读
Everstine is the technical director of food safety solutions at FoodChain ID, a company that advises food-sector clients.