庞若鸣在Meta负责的是超级智能实验室，这是一个旨在构建比人类更强大系统的先锋团队。他在Scale AI联合创始人兼前首席执行官汪滔（Alexandr Wang）以及GitHub前首席执行官奈特·弗里德曼（Nat Friedman）领导下工作。
The x86 protection model is notoriously complex, with four privilege rings, segmentation, paging, call gates, task switches, and virtual 8086 mode. What's interesting from a hardware perspective is how the 386 manages this complexity on a 275,000-transistor budget. The 386 employs a variety of techniques to implement protection: a dedicated PLA for protection checking, a hardware state machine for page table walks, segment and paging caches, and microcode for everything else.
。搜狗输入法2026对此有专业解读
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