August 24, 2009 4:00 AM PDT

IBM Power7 hot topic at Hot Chips conference

by Brooke Crothers
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The Hot Chips conference in Palo Alto, Calif this week is focusing on high-end chips for servers and scientific computers, with IBM's upcoming Power7 as a standout.

On Tuesday, IBM will give a presentation on its next-generation server chip, the Power7. IBM documentation describes the chip as having up to eight cores. A dual-chip module holds two processors for a total of 16 cores, according to IBM.

Each core has a rated performance of 32 gigaflops, providing 256 gigaflops per processor--one of the fastest chips to date based on this scientific-centric performance benchmark.

Power7 will be used in the National Center for Supercomputing Applications "Blue Waters" supercomputer, the first system of its kind to sustain one petaflop performance on a range of science and engineering applications, according to the NCSA. A petaflop is one quadrillion floating point operations per second.

Power7 "will be the first of a powerful new system design from IBM. The design includes extensive research and development in new chip technology, interconnect technology, operating systems, compiler, and programming environments," according to the NCSA.

Other chips to be described at the conference include the Sparc64 VIIIfx: Fujitsu's new 8-core processor for Peta scale computing. Sun will discuss its "next-generation multi-threaded processor Rainbow Falls" and AMD will spell out its Magny Cours processor, 12-core chip.

Intel will present a paper on its upcoming Nehalem server processor.

Intel will also discuss Moorestown, an upcoming version of the Atom processor targeted at mobile Internet devices and smartphones. Intel will also give a presentation entitled "Understanding the Intel Next Generation Microarchitectures (Nehalem and Westmere) transitioning into the Mainstream."

Brooke Crothers has served as an editor at large at CNET News, an editor at Dow Jones' Asian Wall Street Journal Weekly, and a senior editor at InfoWorld. His CNET blog covers chip technology and computer systems, and how they define the computing experience. He also contributes to The New York Times' Bits and Technology sections. He is a member of the CNET Blog Network and is not an employee of CNET. Disclosure. Follow Brooke on Twitter @mbrookec.
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by Naveed Hingora August 24, 2009 5:03 AM PDT
very interesting article...IBM still has the edge
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by protagonistic August 24, 2009 8:08 AM PDT
Makes me wish Apple was still using PPC architecture. My old dual processor G5 PowerMac is still humming along and until the 28th it will still be running the very latest OS X version. I can't complain though. I still prefer the power chips to Intel's as the RISC chips are very good chips.
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by daedbird August 24, 2009 9:39 AM PDT
Me too, protagonistic....Although I think the the idea of the Intel chip (and the possibility of running Windows) figuratively opened the door for many consumers, I think the Power chip line is a great processor for desktops and my dual G5 is running great as well. But Apple saw the laptop trend coming early, and Motorola (who built the mobile chips I believe) were unable to get past the heat/power consumption issues the G5 chipset had......

Unfortunately, it seems like the computer will be quickly becoming obsolete, which I think may be a problem for Apple in the long run, as they will become beholden to Intel for their computer chips. Microsoft's push to make Silverlight 3 the streaming video standard (was not able to watch March Madness on Demand this year) and Adobe's decision to build universality into CS5 mean updates will be tough to come by...... Apple seems to have a good relationship with Intel, despite some occassional press sparing, what with the work on the Air's processor and development of motherboards - but with the moves with Nvidia on videocards, and the increased hostility on low powered chips (Apple's ARM-derived chips verses Atom) having another option may help with Apple's leverage
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by Dr_b_ August 24, 2009 10:37 AM PDT
"Each core has a rated performance of 32 gigaflops, providing 256 gigaflops per processor--one of the fastest chips to date based on this scientific-centric performance benchmark."

Article doesn't discuss power consumption.

Apple made a good move switching to intel, it made their OS more flexible, and it would be even more flexible and competitive if they opened it up to run on non apple branded hardware, legitimately.
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by protagonistic August 24, 2009 2:20 PM PDT
While a agree that switching to Intel made economic sense for Apple I still think the PPC was the superior chip, in part because it is RISC rather than CISC based. As for opening the OS up to other than Apple equipment I think the only way to do that would be to tell people that if you run this on non Apple equipment Apple is not responsible for providing support. The biggest problem with that would be that poor support from others would reflect badly on Apple.

Realistically, as long as you don't care if you dominate the OS market the way Apple is doing it is just fine. Protect your brand and your customers for the most part will be highly satisfied. I have seen too many good companies go bad all because they wanted to dominate their market segment. Anyway, just my opinion. :-)
by Eric Draven August 26, 2009 9:04 PM PDT
The chip described above is intended for server applications. If you remember back then, IBM servers (RS/6000) used a server implementation of the POWER chip while Apple used a PowerPC chip based from the same design architecture. The point is, info on power consumption for the POWER7 chip is irrelevant if you're thinking it would have ended up in Apple hardware.
by tipoo_ August 31, 2009 12:12 PM PDT
I've been following the Power7's development for a long time now, it honestly looks to be the most impressive single chip I've ever seen. Its too bad that IBM doesn't make consumer CPU's, this thing would rock everything on the playing field (but cost a small fortune).


They should throw one of these babies in the PS4 :-P
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by IBM_TIMI September 9, 2009 2:42 PM PDT
Tipoo, I am surprised by your comment that IBM does not make consumer CPUs. You are obviously not aware that the IBM Power chip is installed in all leading gaming systems, such as Nintendo, Playstation and even Microsoft's XBOX. Also, just about every modern car coming off production lines has a number of IBM Power chips inside them. What we do not have is an IBM Power chip running Microsoft Windows in a laptop or desktop, however I do not believe this is for a technical reason. Years ago when IBM released their early Power PC chips for the old AS/400 midrange systems it was possible, unofficially, to run the DEC Alpha version of Windows NT 3.5 on this machine. No doubt if we had IBM Power 7 based servers running Windows server software they would fly, but Microsoft would lose revenue as it would take less cores with Power to achieve the same performance as on Intel. It would also upset Intel and AMD who have a big investment in Microsoft.
by scott-lawrie November 2, 2009 5:06 AM PST
IBM_TIMI, This leaves me wondering as RedHat is supported on Power Systems could you run RedHat's KVM and run a windows partition on top of that? Thereby running a windows Server on a Power system...Just speculating
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About Nanotech - The Circuits Blog

Brooke Crothers has served as an editor at large at CNET News, an editor at Dow Jones' Asian Wall Street Journal Weekly, and a senior editor at InfoWorld. His CNET blog covers chip technology and computer systems, and how they define the computing experience. He also contributes to The New York Times' Bits and Technology sections. He is a member of the CNET Blog Network and is not an employee of CNET. Disclosure.

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