V2EX microarchitecture

Microarchitecture

定义 Definition

微架构:处理器(CPU)在“指令集架构(ISA)”之下的具体内部实现方式与组织结构,包括流水线、执行单元、缓存层次、分支预测、乱序执行等,用来决定同一套指令集在性能、功耗与面积上的实际表现。(也常写作 micro-architecture

发音 Pronunciation

/makrorktektr/

例句 Examples

Microarchitecture determines how fast a CPU can execute instructions.
微架构决定了 CPU 执行指令的速度有多快。

Although both chips support the same ISA, their microarchitecture differs in cache design and out-of-order execution, leading to different performance and power profiles.
尽管两款芯片支持相同的指令集架构,但它们在缓存设计与乱序执行等微架构上不同,从而带来不同的性能与功耗表现。

词源 Etymology

由 **micro-**(“微小的、微观的”)+ architecture(“架构、结构设计”)构成。该词在计算机领域用来区分“对外可见的指令与行为规范(ISA)”和“芯片内部如何实现这些规范的具体结构(微架构)”。

相关词 Related Words

文学与经典著作 Literary Works

  • Computer Architecture: A Quantitative Approach(John L. Hennessy, David A. Patterson)
  • Computer Organization and Design(David A. Patterson, John L. Hennessy)
  • Modern Processor Design: Fundamentals of Superscalar Processors(John Paul Shen, Mikko H. Lipasti)
  • Computer Architecture and Organization(Andrew S. Tanenbaum)
  • Intel 64 and IA-32 Architectures Optimization Reference Manual(英特尔优化参考手册,常讨论具体微架构特性)
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