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The Week in Review

Here's a collection of highlights, selected totally subjectively, from this week's HPC news stream as reported at and HPCwire.

>>10 words and a link

Va Tech building a new Mac cluster;

IBM's blades in Rackable's can;

Tata's Eka gets efficiency bump to 132.8 TFLOPS;

NCAR Q&A on how they used CUDA to accelerate WRF;

HPC appliance company Acceleware not doing well, restructuring;

Purdue works to find SiCortex sweet spot;

HP, Intel, and Yahoo announce Cloud Computing Test Bed;

Dallas/Fort-Worth HPC users group formed;

Berman urges shift in thinking about cyberinfrastructure;

Bull gets PFLOPS order for French military, atomic authority;

>>SGI lays off 105 workers

Found via Joe Landman's blog, a post to this article at

California-based Silicon Graphics Inc. reported it was eliminating more than 100 jobs, about 7 percent of its workforce, in a recent filing with the Securities and Exchange Commission.

SGI, which specializes in high-performance computing, closed its datacenter and labs in Mountain View, Calif. on June 17, a move the [sic] cut about 15 jobs. The data processing activities will be absorbed by the company's manufacturing facility in Chippewa Falls. According to the filing, "the company plans to hire additional personnel in Chippewa Falls to accommodate these activities."

On July 15, SGI cut about 90 more employees from its worldwide workforce.

SGI has about 1,600 employees, so this isn't a huge cut, but given the company's flagging performance since May of '07, this is another sign of hard times for the company. You can read the details in the summary of SGI's 21 July SEC filing.

>>WETA quietly building an HPC powerhouse for digital film effects

You know WETA Digital's work: the New Zealand-based animation company did the special effects for the Lord of the Rings series, among other stuff. As you might imagine, all that rendering takes computers.

HP announced during ISC in Dresden that WETA had installed 100 TFLOPS of rendering capablity in four different clusters that rank 219-222 on the current TOP500 list. If they were ganged together, WETA would rank somewhere in the first 30 of the Top500. While I don't know for sure why WETA configured the system in this way, a large customer of HP tells me that the company often encourages customers to break systems up in this way when the aggregate system won't pierce the very top of the list in order to boost the proportion of the TOP500 slots they hold. Interesting.

WETA is using the new ProLiant BL2×220c blade that lets users cram 12 TFLOPS in a rack about which I wrote in detail here. This blade is part of HP's launch of its new Scalable Computing & Infrastructure group. As I wrote in that article, that group came from two groups within HP:

...the HPC team with which we are all familiar, and HP's Scalable Datacenter Infrastructure team. The SDI team has spent the last two years out of the public eye at HP, focused exclusively on a small group of large media and internet services companies, like Weta Digital (the team that did special effects for the Lord of the Rings series), Fox Interactive Media, and (HP's photo sharing site).

And there's the WETA connection. The HP systems replaced WETA's previous IBM BladeCenter systems that held ranks 157, 481, 493, and 496 on the June 2006 list. HP's site has a few articles referencing their WETA Digital work here and here.

The TOP500 site shows that the config of each ranked system is an HP Cluster Platform 3000 BL2×220 with 624 Intel EM64T Xeon L54xx (Harpertown) 2500 MHz (10 GFLOPS) Quad Core processors. I hear from people familiar with WETA's installation that HP installed a total of 10 racks for these clusters, or 2,560 sockets. Since the TOP500 configuration shows 2,496 sockets in each cluster, this leaves 16 sockets doing front end and I/O activities. A familiar configuration.

Given the amount of work that rendering takes and the demand for WETA's skills in Hollywood, it's not hard to imagine an upgrade to the capability that they've already installed. Growing the configuration will be challenging, however, given the power and cooling needs of systems at this scale. There is a lower wattage processor in this configuration that could save the company on infrastructure costs.

According to this report at Forbes in June, New Zealand is in a prolonged drought, and with 60 percent of the country's power coming from hydroelectric plants, power use is a big concern over there. If you're from the area, can you confirm this?

I'll watch the next couple lists for you and see how WETA evolves its infrastructure. It should be interesting.


John West is part of the team that summarizes the headlines in HPC news every day at You can contact him at

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