Intel documentation describes the 386's Protection Test Unit as a component that "implements fast testing of complex memory protection functions." It is mostly composed of a PLA (Programmable Logic Array), referred to as Test PLA by Intel, that is physically visible by its regular appearance on the die. This single piece of combinational logic replaces what would otherwise be dozens of multi-cycle conditional branches in the microcode. Instead of testing privilege rules sequentially, the microcode issues a single protection test operation, and the PLA evaluates all applicable rules in parallel, producing a complete decision in one evaluation: continue, fault, or redirect to a gate handler.
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若把这些品牌放在一线城市，它们只是商场和社区里再寻常不过的商品，但放在皖北这座三线小城阜阳，却像一串从手机屏幕里掉出来的词。。关于这个话题，91视频提供了深入分析
Within Python job picks only (61% extraction rate). Custom/DIY = asyncio tasks, no external queue