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To: fingolfen who wrote (135374)5/17/2001 1:06:07 PM
From: Tenchusatsu  Respond to of 186894
 
Fin, <They seem to be counting on anti-IA-64 backlash.>

Exactly. If you were in Jerry Sanders' shoes, wouldn't you do the same? ;-)

Tenchusatsu



To: fingolfen who wrote (135374)5/17/2001 4:28:55 PM
From: dale_laroy  Read Replies (1) | Respond to of 186894
 
>>Unless I'm mistaken, the first K8 will be Clawhammer, and that's meant for desktops and workstations. AMD's plans for the high-end revolve around Sledgehammer, which according to the roadmap enables 4-way and 8-way SMP. That is AMD's real answer to McKinley.

>You've got a good point there, but I thought that they shared essentially the same core. If so, then its either going to be overpowered and impossible to economically manufacture for the desktop market, or ridiculously underpowered when compared with the IA-64 tier. If they are vastly different cores, AMD might be able to make the positioning, but I really think they've bitten off more than they can chew with this one. They seem to be counting on anti-IA-64 backlash. That may have worked if the chips were out today, but by the time they're out IA-64 will be the standard....

Clawhammer is a more or less standard core. Clawhammer will have an integrated memory controller primarily to reduce costs, and a low speed implementation of HTT to connect it to the PCI controller. It will probably never be as cheap as Duron, even in its value segment incarnation. But the cost savings on the motherboards enabled by integrating the memory controller will eventually bring value segment Hammer system costs below Duron system costs.

Slegehammer is a CMP core (two independent cores on the same die). In addition to an integrated memory controller, it will have three HTT connections, one low speed one to connect it to the PCI controller, plus one high speed connection to distributed memory per processor.

Sledgehammer is not targeted at Itanium. A better model for the market that Hammer is targeting is the Xeon/MIPS market. Perhaps the ideal Hammer adopter would be SGI, with Hammer being quite adequate for both SGI's workstation and their server markets.

About as high end as Sledgehammer will get is that AMD will be attempting to market four processor (eight-way) Sledgehammers as a higher end solution than four-way P4 Xeon.

(Well actually, Sledgehammer will get into supercomputers, just as P-III and Athlon have.)



To: fingolfen who wrote (135374)5/17/2001 4:38:17 PM
From: dale_laroy  Read Replies (1) | Respond to of 186894
 
>They seem to be counting on anti-IA-64 backlash.<

Hope not, because it isn't happening.

>That may have worked if the chips were out today, but by the time they're out IA-64 will be the standard.<

I think that, more realistically, AMD is counting on being able to confine Itanium to the same market segment as Alpha and HP PA-RISC, while Sledgehammer raises the bar on the x86 market higher than P4 can reach.