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CPU原理之指令集架构 #270

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WGrape opened this issue Oct 4, 2022 · 0 comments
Closed

CPU原理之指令集架构 #270

WGrape opened this issue Oct 4, 2022 · 0 comments
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底层研究系列 对技术底层的研究 操作系统系列 计算机专业必会操作系统

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WGrape commented Oct 4, 2022

前言

本文原创,著作权归WGrape所有,未经授权,严禁转载

一、CISC 和 RISC

  • CISC : Complex instruction set computer 复杂指令集
  • RISC : Reduced instruction set computer 精简指令集

RISC的设计重点在于降低由硬件执行的指令的复杂度,这是因为软件比硬件容易提供更大的灵活性和更高的智能。因此,RISC设计对编译器有更高的要求;相反,传统的复杂指令集的计算机(CISR)则更侧重于硬件执行指令的功能性,使CISC指令变得更复杂。

屏幕快照 2019-11-10 下午3 45 51

二、MIPS架构

@WGrape WGrape added 底层研究系列 对技术底层的研究 操作系统系列 计算机专业必会操作系统 labels Oct 4, 2022
@WGrape WGrape closed this as completed Oct 5, 2022
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底层研究系列 对技术底层的研究 操作系统系列 计算机专业必会操作系统
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