V2EX datapath

Datapath

释义 Definition

(计算机体系结构)数据通路:处理器或数字电路中,负责数据在寄存器、算术逻辑单元(ALU)、多路复用器、总线等部件之间流动与运算的硬件部分;通常与“控制通路(control path)”相对,后者负责发出控制信号。该词也可更泛指系统中数据传输/处理的路径。

发音 Pronunciation (IPA)

/detpθ/(也常见 /dtpθ/)

例句 Examples

The datapath moves numbers from registers to the ALU.
数据通路把数字从寄存器送到算术逻辑单元。

In a pipelined CPU, the datapath is divided into stages so multiple instructions can be processed at the same time.
在流水线 CPU 中,数据通路被划分为多个阶段,以便同时处理多条指令。

词源 Etymology

data(数据)+ path(路径/通路)构成的复合词,源自计算机工程语境,用来直观描述“数据走过的硬件路径”。随着处理器设计的发展,该词常与“control path(控制通路)”成对出现,用于区分“做运算/传数据的部分”和“发控制信号的部分”。

相关词 Related Words

文学与作品 Literary Works

  • Computer Organization and Design(Patterson & Hennessy)
  • Computer Architecture: A Quantitative Approach(Hennessy & Patterson)
  • Digital Design and Computer Architecture(Harris & Harris)
  • Structured Computer Organization(Andrew S. Tanenbaum)
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