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Technology Stocks : Advanced Micro Devices - Moderated (AMD) -- Ignore unavailable to you. Want to Upgrade?

To: Ali Chen who wrote (72523)	2/26/2002 7:24:17 PM
From: kapkan4u	Read Replies (1) \| Respond to of 275872

<Expect all market application to be compiled strictly to P4-HT architecture. And I am sure the multi-threaded libraries and drivers will not accelerate AMD platforms, unless AMD managed to incorporate HT (or true dual-procesor) into their CPU cores.> The only compiler team that matters lives in Redmond, WA and Microsoft has its own idea about multi-threading. Intel's HT is most likely yet another wild goose chase. Kap

To: Ali Chen who wrote (72523)	2/26/2002 7:27:25 PM
From: combjelly	Read Replies (2) \| Respond to of 275872

"I am afraid the situation is not good for AMD." I dunno, I still don't believe that even with that compiler team, the compiler can decompose regular code into multi-threaded code that is balanced for hyperthreading as it currently exists. For one, the DEC team was looking at a processor (EV8) that didn't have the limitations that Prestonia has. It would have had plenty of resources to run all 4 threads. I expect the resource limitation to be lifted with Prestonia. And I personally don't expect the compiler group to be able to squeeze out the modifications until then. Now true, any changes to support Prestonia will also be of benefit to any SMT machine, but that will also be true of any CMP or SMP machine, since the Prestonia mods will be a subset of the requirements. This only puts pressure on AMD to push forward with their SMP plans, which is all to the good...

To: Ali Chen who wrote (72523)	2/26/2002 8:51:08 PM
From: Dan3	Read Replies (1) \| Respond to of 275872

Re: they are moving to recompile everything into multi-threaded variants. The basis of their compiler technology came from the company they acquired about two years ago The words "first assume the compiler produces perfect code" have been the introduction to half the new product disasters in the history of the computer business. AMD's approach "assume the chip will have to deal with a big mess of modules with code from different periods and different compilers" is much more likely to be greeted with success - 'cause that's what's really out there. Even Windows XP, even today, is full of code from years ago. 5 years from now, by which time there will begin to be a moderate amount of multi-threaded code in the installed base, AMD will be shipping nothing but multi-core chips.