Power5 Chip to Tap Threading

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Power5 Chip to Tap Threading

A clever implementation of simultaneous multithreading will allow IBM Corp.’s Power5 processor to increase performance by 40 percent compared with the Power4, while only increasing the per-core die size by about 24 percent. “Simultaneous multithreading, which Intel Corp. has marketed as “hyperthreading”, allows the processor to operate on whichever instruction stream, or “thread,” demands immediate attention.””

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