精选文章 关键词: μC/OS； 任务调度； 硬件指令 [gap=540]Key words: μC/OS; task scheduling; hardware instruction
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POWER 5芯片有两个硬件指令线程，在每个周期都能够执行多个指令，这可以提高性能。
The POWER5 chip has two hardware instruction threads that are both capable of issuing multiple instructions per cycle, which causes a boost in performance.
POWER 6处理器有两个能够在每个处理器周期发出多条指令的硬件指令线程，从而改善了性能。
The POWER6 chip has two hardware instruction threads that are both capable of issuing multiple instructions per cycle, which causes a boost in performance.
这个想法已经为硬件设计所采纳：自80年代起，指令集就专为编译器设计而不那么考虑我们程序员了。
This idea is even built into the hardware now: since the 1980s, instruction sets have been designed for compilers rather than human programmers.
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