V2EX risc

RISC

定义 Definition

RISC(Reduced Instruction Set Computer,精简指令集计算机):一种CPU/处理器设计理念,特点是指令数量相对更少、指令更简单、执行更快,常配合流水线等技术以提高整体性能。(也常用来指采用这种理念的处理器架构,如一些ARM/MIPS家族的设计思路。)

发音 Pronunciation

/ rsk /

例句 Examples

RISC processors use simpler instructions.
RISC 处理器使用更简单的指令。

By combining a RISC instruction set with deep pipelining, the CPU can execute many operations efficiently, but it may rely more on the compiler to optimize code.
通过将RISC指令集与更深的流水线结合,CPU可以高效执行许多操作,但可能更依赖编译器来优化代码。

词源 Etymology

RISC是20世纪80年代在计算机体系结构研究中流行起来的缩写,来自短语 Reduced Instruction Set Computer(“精简指令集计算机”)。其核心观点是:与其让硬件直接支持大量复杂指令,不如用更少、更规则的指令配合编译器与流水线来获得更高效率。

相关词 Related Words

文学/著作示例 Literary Works

  • Computer Architecture: A Quantitative Approach(John L. Hennessy, David A. Patterson)
  • Computer Organization and Design(David A. Patterson, John L. Hennessy)
  • “The Case for the Reduced Instruction Set Computer”(David Patterson, Carlo Séquin 等,经典论文标题中直接出现RISC概念)
  • Modern Processor Design: Fundamentals of Superscalar Processors(John Paul Shen, Mikko H. Lipasti)
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