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CPU Center / Intel Itanium 2 vs. Sun UltraSparc III
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David_South
August 11, 2002 - 12:06:43am (edit: 8/11/02 - 1:31am)

Sun Blasts Intel's Itanium
August 8, 2002
By Ken Popovich

Sun Microsystems Inc. delivered a scorching attack on Intel Corp.'s 64-bit Itanium processor to an audience of analysts and reporters Wednesday, deriding the chip's design and lambasting it as the "most expensive disaster in the history of high tech."

The unusually harsh rhetoric from Sun executives marks the company's counterassault against Intel's recent promotional efforts touting the 1GHz Itanium 2 http://www.eweek.com/article2/0,3959,362187,00.asp, released last month, as a faster and cheaper alternative to Sun's UltraSparc-based systems.

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And while Intel, of Santa Clara, Calif., is a relative newcomer in the 64-bit market, Itanium has the backing of HP, which co-developed the chip and has announced plans to migrate all of its high-end servers to it.

One day after Sun unveiled its fastest processor yet, a 1.05GHz UltraSparc III http://www.eweek.com/article2/0,3959,439446,00.asp , company executives used a conference call with analyst and reporters to fire back at Intel, which has heavily promoted Itanium 2 by touting its price/performance advantages over Sun's UltraSparc III.

Shahin Kahn, Sun's vice president of computing systems, led the assault, mocking Itanium as a "seriously bad idea" and predicting it'll eventually be viewed as the "most expensive disaster in the history of high tech," an apparent reference to the more than $1 billion Intel is speculated to have invested in the chip.

Kahn appeared to express frustration over just such thinking when one questioner asked whether Itanium's new architecture, known as Explicitly Parallel Instruction Computer (EPIC), is superior to Sun's older UltraSparc design.

Kahn fired back that EPIC was not really new, just a variation on a old architecture known as VLIW (very long instruction word), which was first marketed in computer processors in the late '70s by Multiflow Computer Inc., a company that has since gone out of business. In essence, EPIC is based on a design that industry leaders had long since rejected.

"If EPIC was announced by anybody other than Intel, we wouldn't even be talking about it," he said. "It's only the fact that Intel has such great credibility on 32-bit computing it is giving them a shot at even making that case."

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However, Advanced Micro Devices Inc., Intel's main rival in the PC processor market, has announced plans to introduce X86 64-bit processors starting late this year with a desktop version code-named Clawhammer, followed by a version designed for servers, called Opteron, in the first half of next year.

Sun executives even endorsed AMD's approach.

"We all agree that AMD has taken a much better approach entering the 64-bit space by extending that x86 architecture and maintaining that ISV (independent software vendors) community that's out there," said Susan Kunz, director of marketing and business development for Sun's Processor and Network Products Group, during Wednesday's call.

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"What Itanium brings to the high-scalability, 'big iron' market is something customers haven't seen before, which is a choice of operating systems, a choice of platforms and a choice of systems," said Kirkos, highlighting Itanium's availability from competing vendors and ability to run varying operating systems. By contrast, UltraSparc servers are only available from Sun and can only utilize the company's proprietary Solaris OS.

Aside from attacking Itanium's perceived flaws, Sun's Kahn said the arrival of Intel's new chip amid one of the worst business climates ever will assure its failure.

"Of all the years you could pick to ask customers to go to a new system, new architecture, new binary platforms, and go through the pains and cost of migration, this would be a really bad year, and that's exactly the year they choose to announce it," Kahn said.

"I'd bet 20 bucks that Sparc will outlive EPIC over the next 10 years," Khan said.

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"The cost of switching has to be factored in on any major procurement," he said. "So for customers already using Sun Solaris-based systems, there's almost no way they can make the Itanium systems attractive enough. … But for those rolling out new systems or starting with a blank slate, I'm sure they'll take into consideration that Itanium systems cost 20 to 30 percent less than Sun's."

http://www.eweek.com/article2/0,3959,449166,00.asp
Khan sure seems a little pissy about the news.

The reason it caught my attention is that SparcIII incorporates some Asynchronious circuits. That means that the CPU's clock frequency doesn't apply to the speed of some of the gates. Gate logic governs the movement of information, theoretically allowing it to move as fast as gate possible.
Replies to David_South
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chairmansteve
August 11, 2002 - 1:23:53am CST (edit: 8/11/02 - 1:28am)
Sun has some good stuff. But prices are a bit high sometimes.

Sun should be scared now that Intel is making a move to 64-bit. Itanium series will likely overthrow Sun's UltraSPARC and IBM's POWER series as time goes by. Most server providers are switching to Itanium -- perhaps they see Itanium taking top spot in the long run. Only Sun and IBM are so far remaining with proprietary systems (homegrown CPU and OS), except for their "low-end" systems that use Intel Xeon 32-bit processors.

Already Itanium 2 performs better or within the same range as Sun's and IBM's best offerings. Plus, the Intel solutions cost less. With time, Intel parts will drop more and more in price, since Intel will bring Itanium family into mainstream (low-end systems and desktops using Windows 64-bit).

On top of that, Itanium has support from various versions of Unix/Linux and Windows 64-bit. As Itanium spreads its wings in several markets, the software will also from many developers.

What's more, these RISC systems (Sparc and PowerPC) are nearing a wall -- not as big of improvement as the old days. IA-64 should be able to scale for many more years (20 or more) with big jumps in performance.
Pichu
August 11, 2002 - 11:23:31am CST
Sun came out with Ultra-Sparc III architecture four or five years ago, and the frequencies didn't change much. As a single processor computing, I don't even think that Sun UltraSparc III is good in performance; MP Ultra3 is astounding, nonetheless. Either way, Sun will make Quad AMD Opteron servers by next summer, like SGI did to XEON processors. Regardless, Intel only makes processors and motherboards; it's hardly ever will we see Intel be making her own systems.
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