Intel Corporation (INTC) Message Board

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Technology Stocks : Intel Corporation (INTC)

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To: steve harris who wrote (170445)	8/31/2002 11:21:24 AM
From: Dan3	Read Replies (2) of 186894

Re: are you talking about the P4 wasting time clocking thru a 20 stage pipeline? No, that's a whole other problem of the P4 design. Besides the long pipeline, P4 has only 6 execution units (pipelines), while Athlon has 9. Even if an ideal series of insttructions were to let P4 keep it's long pipelines filled, Athlon can still do 50% more work, per clock. The funny thing is that Athlon, with its additional instruction units, would probably benefit much more from hyperthreading than P4, which is maxed out by a single thread far more often. If Intel does manage to get a lot of software re-optimized for hyperthreading, Athlon may end up being the main beneficiary.

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