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.
const recordedEvent = trace[traceIndex];
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The panel raised concerns about the number of "firsts" required by that mission in its current form and recommended that NASA "restructure the Artemis Program to create a more balanced risk posture for Artemis III and future missions."
2025年，全国省际贸易销售额占全部销售额的比重升至41%，跨省跨区交易电量占全国电力市场交易电量的比重升至24%。社会物流总费用与GDP的比率降至13.9%，创有统计以来的最好水平。这“两升一降”，反映要素实现更大范围优化配置，市场交易成本不断降低。