P4Man

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<A HREF="http://www.heise.de/ct/04/08/020/" target="_new">Andreas Stiller's Prozessorgeflüster </A>

<A HREF="http://babelfish.altavista.com/babelfish/urltrurl?url=http://www.heise.de/ct/04/08/020/&lp=de_en&tt=url" target="_new"> babelfished </A>


" "It sucks" - so the abschaetzige comment of a beta tester - in particular if larger address ranges are addressed. Perhaps the processor must still emulate 64 bits here and there, who knows. Intels 64-Bit-Partner HEWLETT-PACKARD will know it anyhow - and that decided only once for Opteron. "

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Mephistopheles

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Ouch... If true, this is no good news for Intel.

But I'm still a little skeptical that they can't iron it out by the actual time Nocona gets launched. So far, this is all Internet rumors. Not to say it's not true, but I'd rather wait and see.

A company over four times bigger than AMD, unable to get this right? Maybe in the earlier versions, but they will certainly get it. Or maybe it's just my humanist side speaking.

<i><font color=red>You never change the existing reality by fighting it. Instead, create a new model that makes the old one obsolete</font color=red> - Buckminster Fuller </i>
 

bandikoot

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Babelfish suckes too. I just read it twice and still don't know what it was trying to say. :frown: "...smaller American small towns godfather confessed for the next year to the planned successors."
 

Snorkius

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The article is interesting...

I just realised after reading it that all the Intel/AMD cores are named after towns and cities.

Why?




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Kanavit

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HP is still gonna use Itaniums and 64-bit nocona Xeons. it's true that the ALU runs at only half speed while executing 64-bit registers on the Nocona, and it doesn't have that NX feature non-execute bit hacking protection overflow buffer thingy. But, Intel is gonna bank on the real 64-bit processor,'Itanium'. Nocona is made available for servers and high end only, not desktop.

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Kelledin

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But, Intel is gonna bank on the real 64-bit processor,'Itanium'.
"Real" meaning...?

Whatever it means, it may have some value to Intel, but the rest of the world isn't realy going to care.

For all IA64's claims of being a "real" (non-evolved?) 64-bit architecture, AMD64 does just as well or better in most common cases. So far AMD64 even outperforms IA64 for the 64-bit features (i.e. integer math and addressing in 64 bits). IA64 excels at floating-point math, but that has nothing to do with its so-called "real" 64-bitness.

Nocona is made available for servers and high end only, not desktop.
That doesn't really count for much. It just means one market (server/workstation customers) is going to be annoyed with Intel about crummy 64-bit performance, while the other market (consumer desktop customers) is going to be annoyed with Intel about no 64-bit extensions. The half-assed effort known as Clackamas Tech isn't going to woo any properly informed customers or developers away from AMD64.

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Spitfire_x86

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Itanium and IA64 is going to be a failure like Alpha processors.

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Kanavit

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i doubt it. Alpha died because they did not have the resources to keep the chip alive. Intel is worth 50 billion dollars. They just announced 2 new 1.40ghz, 1.50ghz Itanium2 with 3-6mb cache and new software emulator(ia-32 execution layer) which will make Itanium run as fast as a 1.5ghz Xeon in 32-bit mode.

it doesn't look like Intel is ditching the itanium, in fact it looks like they are stenghtening it. Now that AMD standing on Cisc x86-64 architecture , Intel is going with Risc architecuture, which is exclusive and has no competition.

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P4Man

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I have some difficulties labeling Alpha as a failure. DEC failed selling it perhaps, but Alpha was by far the best cpu for most of the last decade, and arguably, even though it has been robbed of any serious ongoing R&D funds, its still one of the fastest cpu's available. Alpha was (and is) technically an increbible succes, commercially, a minor failure :)

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P4Man

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>But I'm still a little skeptical that they can't iron it
>out by the actual time Nocona gets launched.

Launch is imminent, its not likely they will change whatsoever now. Wether or not they can sort it out B4 desktop chips hit the shelves is another thing, but my guess is Intel is not going to spend much effort on redesigning Prescott now, so it will most likely take until Tejas b4 any issues with AMD64 are ironed out. Coincidentally, this is pretty much what I predicted earlier this year :)

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P4Man

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LOL.. don't sweat it, most of the article is about upcoming chips and its code names (derived from city's or rivers, for both intel and AMD), but doesnt contain anything we didnt know yet. Apart for the claims Nocona's 64 bit performance would suck obviously.

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P4Man

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>i doubt it. Alpha died because they did not have the
>resources to keep the chip alive.

It died mostly because it didn't sell, in spite of performance that wasnt even in the same league as its competitors most of the time. Blame DEC for the poor marketing; Alpha outperformed competing architectures by a factor 2 or more. If there is one lesson to be learned from Alpha, its that performance alone doesnt sell.

>t doesn't look like Intel is ditching the itanium, in fact
>it looks like they are stenghtening it.

No, of course intel isnt ditching it yet. they still have a multi billion dollar investment to recover. Dollar adjusted, the costs so far would be roughly around 5-7 billion dollar.

The real question is: will they ever recover this investment? I personally doubt it. Simple math learns you that in the niche Itanium is currently competing, there just isnt the required volume to finance even the ongoing R&D, let alone the initial development costs if you are only selling the cpu's and not entire systems, along with software and services like IBM, HP, SGI, Sun, etc.

Intel sold 100.000 Itanium chips last year, and they where quite obviously extremely happy with that result. The harsh reality however is that 100k chips brought them some $150M in revenue, probably around $120M or less gross margin, while intel spends $4-$500M per year just in developping those chips, chipsets, compilers, etc. They can keep that up for a few years, intels pockets are deep enough, but if IA64 doesnt go mainstream/high volume over the next few years, it doesnt make any sense for intel to keep it alive.

I've done quite a bit of financial simulations, and frankly, no matter how you look at it, if you do not foresee IA64 to ever replace x86 when and where 64 bit becomes an issue, IPF doesnt make sense financially. With the announcement of "EM64T" aka iAMD64, it has become obvious IA64 will not likely ever replace x86, and therefore, IPF is doomed to be an ongoing major financial loss. Its not for no reason HP wanted to outsource CPU development, its just much too expensive in a market where you sell a couple of 100k's units a year. And that is even in spite of the fact HP, unlike Intel, reaped the benefits of selling entire systems along with software and services in highly lucrative markets. Intel doesnt share that advantage. I firmly expect Intel to pull the plug on Itanium in ~5 years, and/or hand the project back to HP. HP might use it as a replacement for PA Risc, and swallow the losses in the CPU development by selling S&S, intel can not.

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Kelledin

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i doubt it. Alpha died because they did not have the resources to keep the chip alive. Intel is worth 50 billion dollars.
Alpha died because it didn't pay for itself. DEC/Compaq had a hard time reaching break-even point in the Alpha's niche market.

In case you haven't noticed, Intel's having the same problem. Having billions and billions in reserve is, commercially, good for no more than a temporary band-aid fix, and even then it ticks off shareholders to see tons of money get poured into something that can't seem to generate profits.

it doesn't look like Intel is ditching the itanium, in fact it looks like they are stenghtening it.
DEC spent years strengthening Alpha as well. That didn't keep it from getting kicked to the curb though. The kicking began when Compaq inherited the platform and discovered just how much R&D cash it could burn through.

Now that AMD standing on Cisc x86-64 architecture , Intel is going with Risc architecuture, which is exclusive and has no competition.
IA64 is <i>not</i> RISC. IA64 is VLIW, which if anything is dramatically more complex than CISC.

Besides, being non-CISC never protected any other architecture from competition by the x86 world. It's dismally idiotic to think it might protect IA64.

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P4Man

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> it's true that the ALU runs at only half speed

I sincerely doubt that. Got a link ?

>while executing 64-bit registers on the Nocona,

You havent got a clue what you're talking about, but what else is new.

>Intel is gonna bank on the real 64-bit processor,'Itanium'.

The banked on it, and lost their bet. The anouncement of AM64T/Clackamas/IA32e/AMD64/CT/iAMD64/x86-64/whatever name they come up with next, just about killed any hopes anyone could have had of Itanium becoming anything else than a low vomume high end niche product competing with Sparc & power.

>Nocona is made available for servers and high end only, not
>desktop.

Good thinking Einstein, Nocona is a Xeon. the irony however, is that iAMD64 will only be enabled for Nocona, which is limited to 2 way operation. >2 way Xeons (the MP's) will remain 32 bit until somewhere next year. What do you think requires 64 bit addressing more, an entry level 2 way server, or a 4/8/16/32+ way machine ? No wonder HP, IBM and mostly Sun are jumping on the opteron bandwagon for 2/4/8 and even 8+ way servers (in casu Sun).

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Kanavit

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The rapid execution engine in netburst runs at 2x of core frequency. P4 3.2ghz has 6.4ghz rapid execution engine. rapid execution is Intel's marketing term for ALU. i've read that under 64-bit extended mode, this ALU runs at half the speed. meaning, it will run at 1x of core frequency in 64-bit mode or at 3.2ghz only.

"In any event, the Opteron will be faster doing 64-bit processing because the P4/Xeon loses their double-pumped ALUs when switching modes. " Ardrid, AMDforums




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G

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For all IA64's claims of being a "real" (non-evolved?) 64-bit architecture, AMD64 does just as well or better in most common cases. So far AMD64 even outperforms IA64 for the 64-bit features (i.e. integer math and addressing in 64 bits). IA64 excels at floating-point math, but that has nothing to do with its so-called "real" 64-bitness.


You over many never been to prove that.Get the fact itanium is faster and scalle better and got OS that go with it unlike opteron.

Fell refreshing
 

trooper11

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hmmm, you say he cant prove that, well you prove what your saying as well, its only fair lol.

btw, i probably think itaniums beat out opterons in more then a few repects, it is built to be used a segment opteron isnt aimed at anyway. opterons compete with xeons, not itaniums.
 
G

Guest

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So you have a link to a complete commercial or HPC 4 way opteron or 8 way that come with 64 bit linux and apps systemes manager 64 bit compiler

Fell refreshing
 

endyen

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I know a few French Canadian hardware guys. They all write english (Tech) better than I do. They couldn't get through the texts otherwise. Are you actually spud having fun with us, or are you pretending you dont write english well because you are just full of crap.
 

Spitfire_x86

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IA64 is not RISC. IA64 is VLIW, which if anything is dramatically more complex than CISC.
So, Itanium and Transmeta Crusoe are same type processor?

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P4Man

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Yeah, same philosphy. But "same type of processor" only if you think the ARM or Xscale powering your PDA or MP3 player to be the "same type of processor" as an Alpha EV7 in a supercomputer (both are RISC).

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P4Man

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<A HREF="http://h18004.www1.hp.com/products/servers/proliantdl585/index.html" target="_new">http://h18004.www1.hp.com/products/servers/proliantdl585/index.html</A>
<A HREF="http://www.appro.com/product/server_4144h.asp" target="_new">http://www.appro.com/product/server_4144h.asp</A>

Just 2 examples of 4 way opterons, that come with 64 bit linux, tons of 64 bit apps and 64 bit compilers (your choice gcc, portand, absoft, pathscale ..)

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