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 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。
2
Instead, extra oomph has been added in recent years by packaging multiple processing engines, or "cores", inside a single chip.
与之相反的是，近年来出现的通过将多个处理引擎或者“核”封装在一个芯片上的现象，又展现了另一种魅力。
3
In the past few years, the computer chip industry has been in the process of two major transitions, one from 32-bit chips to 64-bit and from single cores to multiple cores.