| 术语 | microprocessor addition time |
| 释义 | microprocessor addition time 微处理器［机］加法时间 Register-to-register addition time which is a popular estimate of the processing speed of a computer. This specific instruction is often chosen as a selection factor because nearly every computer has a comparable add instruction.Microprocessors with more than one programmer-accessible register for data manipulation on the CPU chip can usually perform a fast register-addition in aminimum instruction execution time. Some processors, however, are organized as one-accumulator computers so that register-to-register additions are not provided. In these cases, the addition of the contents of an arbitrary storage location to the accumulator is often scored as the minimum addition time. 通常用来估算计算机处理速度的寄存器-寄存器加法时间。选择这一特定指 令作为比较因数是因为几乎每台计算机都有可比较的加法指令。对于CPU芯片中含有一个以 上供数据操作的编程可存取寄存器的微处理机,通常可在最小的指令执行时间完成一快速寄 存器加法。然而,有些处理机被构成为单累加器计算机,设有寄存器- 寄存器加法指令,在这些情况下,常将任一存储单元的内容与累加器相加作为最小加法时间。 |
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