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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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The backend for the game - Snake Session Handler Daemon or sshd - is capable of handling thousands of concurrent players and rendering over a hundred million pixels a second.。关于这个话题，爱思助手下载最新版本提供了深入分析
坚持创新驱动 充分释放要素效能