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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Tenchusatsu who wrote (81085)	11/25/1999 4:39:00 PM
From: Charles R	Read Replies (1) \| Respond to of 1574523

Tenchusatsu, <Yet AMD is trying to derail the IA-64 train with their x86-64 plans. > I am not sure if THAT is AMD's intent. I would say AMD's intent probably has a lot more to do with finding a credible raodmap going forward. With x86-64 (or AA-64) they have one. <But for AMD to say that x86-64 is the right way to go, and throw not-so-subtle hints that IA-64 is the wrong way to go, now that's hogwash.> Just curious, is it hogwash to say the opposite? If so, why? <AMD is hoping that x86-64 will bring x86 to IA-64 performance levels> This comment about IA-64 performance levels may be premature. First of all, no independent benchmark houses have verified what the first instantiation of IA-64 performs like. Also, it is clearly way too early to speculate about IA-64 follow-ons. So, if you are suggesting that the performance target for Sledgehammer is Merced then I think that would be grossly underestimating competition. Chuck

To: Tenchusatsu who wrote (81085)	11/25/1999 5:33:00 PM
From: dumbmoney	Respond to of 1574523

Believe me, Chuck, I've seen the arguments raised at MPF. And I still think that x86-64 is nothing but a fantasy, not because it's a bad idea in itself (it isn't), but that AMD is hoping that x86-64 will bring x86 to IA-64 performance levels. (Yes, Fred Weber from AMD was indeed hinting at this.) 64-bits has nothing to do with performance. Alpha, which was 64-bits from day one, runs faster when executing 32-bit code - simply because the cache hit ratio is a little better with less data. If you were referring to the new floating point model, that should indeed provide a performance boost. However, I expect that Merced will be the FP king - useless for internet servers, but great for games. :)