HPCwire: John Rollwagen Returns to High Performance Computing

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January 05, 2007

John Rollwagen Returns to High Performance Computing

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SiCortex, a development-stage firm whose power- and space-saving Linux cluster architecture drew attention at SC06, recently named HPC industry veteran John Rollwagen as chairman of the board. Rollwagen, the former chairman and CEO of Cray Research, Inc., is now an investor and business advisor specializing in information technology. HPCwire asked Rollwagen what attracted him to SiCortex.

HPCwire: How did you link up with SiCortex?

Rollwagen: John Mucci, SiCortex's founding CEO, called me one day last summer. We'd met when he was at Thinking Machines. He said the board had been "trying to find someone to help lead the company like that John Rollwagen person who used to run Cray Research." Finally, they decided to approach me directly. I visited the company, which turned out to be in the original Digital Equipment headquarters building in Maynard, Massachusetts. I had interviewed with Ken Olson in that building more than 40 years ago, before deciding to accept a job offer from another small computer company, Control Data. We talked over a period of time; and ultimately, I agreed to join the SiCortex board as chairman.

HPCwire: You were chairman of Cray Research from the time when it truly was a little start-up like SiCortex through the years when the company ruled the HPC market. Do you see any parallels with SiCortex?

Rollwagen: History doesn't repeat itself in exactly the same way because the context changes, but SiCortex does remind me of Cray Research when I first joined the company. Back then, when I read the first description of what the Cray-1 was going to be, I said to myself, "Of course. Computers should have been designed like this from the beginning. If you want to compute fast, keep the wires short and deal with the power and cooling issues."

The SiCortex machines are designed from the ground up to overcome the limitations of the past 20 years of clusters. Standard microprocessors are physically large and produce a lot of heat. The SiCortex chips reduce the area by about 50 times, cut power consumption by two orders of magnitude, and even include the interconnect circuitry to increase overall performance dramatically.

HPCwire: Any other parallels to Cray Research as a start-up?

Rollwagen: Yes. SiCortex also has a very credible team. These are the guys who designed the Alpha microprocessor. They know what they're doing because they're done this before. I like these people. Like Cray Research when I first got there, SiCortex has the machine assembled but not quite operational yet. It's at the same stage. That also resonated with me.

HPCwire: What are the company's biggest priorities?

Rollwagen: The biggest one is to get the machine up and running. In the first quarter of 2007, we expect to have a pre-serial one machine. In Q2, we'll have the first fully functional machine. With that accomplished, we can get in front of customers.

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