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。关于这个话题，雷速体育提供了深入分析
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.
The report is in writing, but my mind is racing with all the excitement. I wonder if the same tricks work for other industries, but here, there is so much room for improvement. It’s shit now, but with a good report and some buy-in from management, this can all be remedied.，更多细节参见旺商聊官方下载