Re: Large parallel computers

Daniel S. Riley (dsr@mail.lns.cornell.edu)
08 Mar 1999 13:00:20 -0500

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Andreas Bogk <andreas@andreas.org> writes:
> Bruce Schneier <schneier@counterpane.com> writes:
> > Didn't some government agency recently install a massively parallel
> > computer, with a few thousand Pentium Pros. Does anyone remember stats on
> > that computer?

9,326. See http://www.sandia.gov/ASCI/TFLOP/Architecture1.1.html.

> If I'm not entirely mistaken, you're talking about the ASCI Red at the
> Sandia labs. Stats are available at:
>
> http://www.netlib.org/benchmark/top500/top500.list.html

Also see http://www.sandia.gov/ASCI/, which also has links to the
ASCI blue mountain (LANL/SGI-CRAY) and blue pacific (LLNL/IBM)
massively parallel systems.

> "Research" probably means virtual nukes.

Yep.

Robert Hettinga <rah@shipwright.com> writes:
> Wasn't it at Los Alamos, running a parallel version of Linux called
> Beowulf(?)?

Beowulf works for loosely coupled parallel systems using lots of commodity
processors and conventional network interconnects. ASCI Red is a tightly
coupled parallel system with lots of custom hardware and a custom OS (see
http://www.sandia.gov/ASCI/TFLOP/Architecture2.1.html).

-- 
Dan Riley                                         dsr@mail.lns.cornell.edu
Wilson Lab, Cornell University      <URL:http://www.lns.cornell.edu/~dsr/>
    "History teaches us that days like this are best spent in bed"

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