单周期指令 Single Cycle Instruction ; [计] one-cycle instruction
周期/指令 cycles per instruction
字周期指令 [计] word cycle instruction
指令周期 [计] [计] Instruction Cycle ; Fcpu ; TCY
单字节双周期指令 INC DPTR
取指令周期 fetch cycle ; [计] instruction fetch cycle
每指令周期数 cycle-per-instruction ; cycles per instruction
内部指令周期时钟 CLKOUT
指令周期时间 [计] instruction cycle time
单指令周期CPU single cycle CPU
POWER 5芯片有两个硬件指令线程，在每个周期都能够执行多个指令，这可以提高性能。
The POWER5 chip has two hardware instruction threads that are both capable of issuing multiple instructions per cycle, which causes a boost in performance.
POWER 6处理器有两个能够在每个处理器周期发出多条指令的硬件指令线程，从而改善了性能。
The POWER6 chip has two hardware instruction threads that are both capable of issuing multiple instructions per cycle, which causes a boost in performance.
cpi值越高，则运行指令所需的周期就越多，这意味着程序的运行性能未达到最优。
A higher CPI value indicates that more cycles were necessary to run the instruction, implying suboptimal execution of the program.
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