V2EX instruction-set

Instruction-set

释义 (Definition)

instruction set(指令集):在计算机体系结构中,指某个处理器(CPU)能够识别并执行的全部机器指令的集合。它规定了指令的形式、操作类型、寻址方式、寄存器用法等,是软件(编译器、操作系统、程序)与硬件之间的重要“契约”。(也常写作 instruction set,不加连字符。)

发音 (Pronunciation, IPA)

/nstrkn st/

例句 (Examples)

The compiler generates code for a specific instruction set.
编译器会为某一种特定的指令集生成代码。

Because the two chips have different instruction sets, the same program must be recompiled or translated to run efficiently on both.
由于两款芯片的指令集不同,同一个程序要想在两者上高效运行,通常需要重新编译或进行指令翻译。

词源 (Etymology)

该词由 instruction(指令) + set(集合) 组成:早期计算机需要用固定格式的“指令”驱动硬件执行操作;随着体系结构发展,人们用“指令的集合”来描述一颗处理器所支持的全部操作能力,于是形成了 instruction set 这一术语。连字符写法 instruction-set 多见于作定语时的复合形容词用法(如 instruction-set architecture 的变体写法)。

相关词 (Related Words)

文学/著作中的用例 (Notable Works)

  • Computer Architecture: A Quantitative Approach(Patterson & Hennessy)以“指令集/ISA”为核心概念讨论性能、流水线与并行等主题。
  • Computer Organization and Design(Patterson & Hennessy)面向入门读者系统讲解指令集与硬件实现的对应关系。
  • Structured Computer Organization(Andrew S. Tanenbaum)在计算机组织层次结构中反复使用 instruction set 讨论机器级接口。
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